Finish the migration from LiveData to Flow

Moves most of the flow updates away from the Main thread.
Removes the need to use the Main thread to access Account.userProfile

amethyst/build.gradle

@@ -201,9 +201,6 @@ dependencies {
     // Navigation
     implementation libs.androidx.navigation.compose
 
-    // Observe Live data as State
-    implementation libs.androidx.runtime.livedata
-
     // Material 3 Design
     implementation libs.androidx.material3
     implementation libs.androidx.material.icons
@@ -216,7 +213,6 @@ dependencies {
     implementation libs.androidx.lifecycle.runtime.ktx
     implementation libs.androidx.lifecycle.runtime.compose
     implementation libs.androidx.lifecycle.viewmodel.compose
-    implementation libs.androidx.lifecycle.livedata.ktx
 
     // Zoomable images
     implementation libs.zoomable

amethyst/src/main/java/com/vitorpamplona/amethyst/DebugUtils.kt

@@ -72,8 +72,6 @@ fun debugState(context: Context) {
     Log.d(
         "STATE DUMP",
         "Notes: " +
-            LocalCache.notes.filter { _, it -> it.liveSet != null }.size +
-            " / " +
             LocalCache.notes.filter { _, it -> it.flowSet != null }.size +
             " / " +
             LocalCache.notes.filter { _, it -> it.event != null }.size +
@@ -83,8 +81,6 @@ fun debugState(context: Context) {
     Log.d(
         "STATE DUMP",
         "Addressables: " +
-            LocalCache.addressables.filter { _, it -> it.liveSet != null }.size +
-            " / " +
             LocalCache.addressables.filter { _, it -> it.flowSet != null }.size +
             " / " +
             LocalCache.addressables.filter { _, it -> it.event != null }.size +
@@ -94,8 +90,6 @@ fun debugState(context: Context) {
     Log.d(
         "STATE DUMP",
         "Users: " +
-            LocalCache.users.filter { _, it -> it.liveSet != null }.size +
-            " / " +
             LocalCache.users.filter { _, it -> it.flowSet != null }.size +
             " / " +
             LocalCache.users.filter { _, it -> it.latestMetadata != null }.size +
@@ -169,3 +163,21 @@ inline fun <T> logTime(
     } else {
         block()
     }
+
+inline fun debug(
+    tag: String,
+    debugMessage: String,
+) {
+    if (isDebug) {
+        Log.d(tag, debugMessage)
+    }
+}
+
+inline fun debug(
+    tag: String,
+    debugMessage: () -> String,
+) {
+    if (isDebug) {
+        Log.d(tag, debugMessage())
+    }
+}

amethyst/src/main/java/com/vitorpamplona/amethyst/model/Account.kt

@@ -23,10 +23,6 @@ package com.vitorpamplona.amethyst.model
 import android.util.Log
 import androidx.compose.runtime.Immutable
 import androidx.compose.runtime.Stable
-import androidx.lifecycle.LiveData
-import androidx.lifecycle.asLiveData
-import androidx.lifecycle.liveData
-import androidx.lifecycle.switchMap
 import com.fasterxml.jackson.module.kotlin.readValue
 import com.fonfon.kgeohash.GeoHash
 import com.vitorpamplona.amethyst.Amethyst
@@ -192,6 +188,7 @@ import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.combineTransform
+import kotlinx.coroutines.flow.debounce
 import kotlinx.coroutines.flow.emitAll
 import kotlinx.coroutines.flow.flowOn
 import kotlinx.coroutines.flow.map
@@ -584,7 +581,6 @@ class Account(
     @OptIn(ExperimentalCoroutinesApi::class)
     val liveKind3FollowsFlow: Flow<LiveFollowList> =
         userProfile().flow().follows.stateFlow.transformLatest {
-            checkNotInMainThread()
             emit(buildFollowLists(it.user.latestContactList))
         }
 
@@ -1090,24 +1086,25 @@ class Account(
             )
     }
 
-    val liveHiddenUsers = flowHiddenUsers.asLiveData()
-
-    val decryptBookmarks: LiveData<BookmarkListEvent?> by lazy {
-        userProfile().live().bookmarks.switchMap { userState ->
-            liveData(Dispatchers.IO) {
+    val decryptBookmarks: Flow<BookmarkListEvent?> by lazy {
+        userProfile()
+            .flow()
+            .bookmarks.stateFlow
+            .map { userState ->
                 if (userState.user.latestBookmarkList == null) {
-                    emit(null)
+                    null
                 } else {
-                    emit(
+                    val result =
                         tryAndWait { continuation ->
                             userState.user.latestBookmarkList?.privateTags(signer) {
                                 continuation.resume(userState.user.latestBookmarkList)
                             }
-                        },
-                    )
-                }
                         }
+
+                    result
                 }
+            }.debounce(1000)
+            .flowOn(Dispatchers.Default)
     }
 
     class EmojiMedia(

amethyst/src/main/java/com/vitorpamplona/amethyst/model/Channel.kt

@@ -21,9 +21,7 @@
 package com.vitorpamplona.amethyst.model
 
 import androidx.compose.runtime.Stable
-import androidx.lifecycle.LiveData
 import com.vitorpamplona.amethyst.commons.data.LargeCache
-import com.vitorpamplona.amethyst.service.checkNotInMainThread
 import com.vitorpamplona.amethyst.ui.dal.DefaultFeedOrder
 import com.vitorpamplona.amethyst.ui.note.toShortenHex
 import com.vitorpamplona.ammolite.relays.BundledUpdate
@@ -43,6 +41,7 @@ import com.vitorpamplona.quartz.nip28PublicChat.base.ChannelData
 import com.vitorpamplona.quartz.nip53LiveActivities.streaming.LiveActivitiesEvent
 import com.vitorpamplona.quartz.utils.Hex
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.MutableStateFlow
 
 @Stable
 class PublicChatChannel(
@@ -93,7 +92,7 @@ class PublicChatChannel(
         return info.picture ?: super.profilePicture()
     }
 
-    override fun anyNameStartsWith(prefix: String): Boolean = listOfNotNull(info.name, info.about).filter { it.contains(prefix, true) }.isNotEmpty()
+    override fun anyNameStartsWith(prefix: String): Boolean = listOfNotNull(info.name, info.about).any { it.contains(prefix, true) }
 }
 
 @Stable
@@ -182,7 +181,7 @@ abstract class Channel(
         this.creator = creator
         this.updatedMetadataAt = updatedAt
 
-        live.invalidateData()
+        flow.invalidateData()
     }
 
     @Synchronized
@@ -227,7 +226,7 @@ abstract class Channel(
     abstract fun anyNameStartsWith(prefix: String): Boolean
 
     // Observers line up here.
-    val live: ChannelLiveData = ChannelLiveData(this)
+    val flow: ChannelFlow = ChannelFlow(this)
 
     fun pruneOldMessages(): Set<Note> {
         val important =
@@ -257,22 +256,24 @@ abstract class Channel(
     }
 }
 
-class ChannelLiveData(
+class ChannelFlow(
     val channel: Channel,
-) : LiveData<ChannelState>(ChannelState(channel)) {
+) {
     // Refreshes observers in batches.
     private val bundler = BundledUpdate(300, Dispatchers.IO)
+    val stateFlow = MutableStateFlow(ChannelState(channel))
 
     fun invalidateData() {
-        checkNotInMainThread()
-
         bundler.invalidate {
-            checkNotInMainThread()
-            if (hasActiveObservers()) {
-                postValue(ChannelState(channel))
+            stateFlow.emit(ChannelState(channel))
         }
     }
+
+    fun destroy() {
+        bundler.cancel()
     }
+
+    fun hasObservers() = stateFlow.subscriptionCount.value > 0
 }
 
 class ChannelState(

amethyst/src/main/java/com/vitorpamplona/amethyst/model/Chatroom.kt

@@ -87,7 +87,7 @@ class Chatroom {
             } else {
                 // Old messages, keep the last one.
                 sorted.take(1).toSet()
-            } + sorted.filter { it.liveSet?.isInUse() ?: false } + sorted.filter { it.event !is PrivateDmEvent }
+            } + sorted.filter { it.flowSet?.isInUse() ?: false } + sorted.filter { it.event !is PrivateDmEvent }
 
         val toRemove = roomMessages.minus(toKeep)
         roomMessages = toKeep

amethyst/src/main/java/com/vitorpamplona/amethyst/model/LocalCache.kt

@@ -938,7 +938,7 @@ object LocalCache : ILocalCache {
         if (event.createdAt > (note.createdAt() ?: 0)) {
             note.loadEvent(event, author, emptyList())
 
-            author.liveSet?.statuses?.invalidateData()
+            author.flowSet?.statuses?.invalidateData()
 
             refreshObservers(note)
         }
@@ -963,7 +963,7 @@ object LocalCache : ILocalCache {
 
         if (version.event == null) {
             version.loadEvent(event, author, emptyList())
-            version.liveSet?.ots?.invalidateData()
+            version.flowSet?.ots?.invalidateData()
         }
 
         refreshObservers(version)
@@ -1245,7 +1245,6 @@ object LocalCache : ILocalCache {
         }
 
         deleteNote.clearFlow()
-        deleteNote.clearLive()
 
         notes.remove(deleteNote.idHex)
     }
@@ -1259,7 +1258,6 @@ object LocalCache : ILocalCache {
                     deleteWraps(noteEvent)
                 }
                 it.clearFlow()
-                it.clearLive()
             }
 
             notes.remove(it.id)
@@ -1379,7 +1377,7 @@ object LocalCache : ILocalCache {
 
             mentions.forEach {
                 // doesn't add to reports, but triggers recounts
-                it.liveSet?.reports?.invalidateData()
+                it.flowSet?.reports?.invalidateData()
             }
         }
 
@@ -1625,7 +1623,7 @@ object LocalCache : ILocalCache {
             checkGetOrCreateNote(it.eventId)?.let { editedNote ->
                 modificationCache.remove(editedNote.idHex)
                 // must update list of Notes to quickly update the user.
-                editedNote.liveSet?.edits?.invalidateData()
+                editedNote.flowSet?.edits?.invalidateData()
             }
         }
 
@@ -2056,10 +2054,6 @@ object LocalCache : ILocalCache {
     }
 
     fun cleanObservers() {
-        notes.forEach { _, it -> it.clearLive() }
-        addressables.forEach { _, it -> it.clearLive() }
-        users.forEach { _, it -> it.clearLive() }
-
         notes.forEach { _, it -> it.clearFlow() }
         addressables.forEach { _, it -> it.clearFlow() }
         users.forEach { _, it -> it.clearFlow() }
@@ -2213,8 +2207,8 @@ object LocalCache : ILocalCache {
                         note.event is ReportEvent ||
                         note.event is GenericRepostEvent
                 ) &&
-                    note.replyTo?.any { it.liveSet?.isInUse() == true } != true &&
-                    note.liveSet?.isInUse() != true &&
+                    note.replyTo?.any { it.flowSet?.isInUse() == true } != true &&
+                    note.flowSet?.isInUse() != true &&
                     // don't delete if observing.
                     note.author?.pubkeyHex !in
                     accounts &&
@@ -2278,7 +2272,6 @@ object LocalCache : ILocalCache {
         }
 
         note.clearFlow()
-        note.clearLive()
 
         notes.remove(note.idHex)
     }
@@ -2313,12 +2306,10 @@ object LocalCache : ILocalCache {
         val childrenToBeRemoved = mutableListOf<Note>()
 
         val toBeRemoved =
-            account.liveHiddenUsers.value
-                ?.hiddenUsers
-                ?.map { userHex ->
+            account.flowHiddenUsers.value.hiddenUsers
+                .map { userHex ->
                     (notes.filter { _, it -> it.event?.pubKey == userHex } + addressables.filter { _, it -> it.event?.pubKey == userHex }).toSet()
-                }?.flatten()
-                ?: emptyList()
+                }.flatten()
 
         toBeRemoved.forEach {
             removeFromCache(it)
@@ -2337,7 +2328,7 @@ object LocalCache : ILocalCache {
         users.forEach { _, user ->
             if (
                 user.pubkeyHex !in loggedIn &&
-                (user.liveSet == null || user.liveSet?.isInUse() == false) &&
+                (user.flowSet == null || user.flowSet?.isInUse() == false) &&
                 user.latestContactList != null
             ) {
                 user.latestContactList = null

amethyst/src/main/java/com/vitorpamplona/amethyst/model/Note.kt

@@ -22,7 +22,6 @@ package com.vitorpamplona.amethyst.model
 
 import androidx.compose.runtime.Immutable
 import androidx.compose.runtime.Stable
-import androidx.lifecycle.LiveData
 import com.vitorpamplona.amethyst.launchAndWaitAll
 import com.vitorpamplona.amethyst.service.checkNotInMainThread
 import com.vitorpamplona.amethyst.service.firstFullCharOrEmoji
@@ -228,29 +227,36 @@ open class Note(
             this.author = author
             this.replyTo = replyTo
 
-            liveSet?.metadata?.invalidateData()
             flowSet?.metadata?.invalidateData()
         }
     }
 
+    fun hasZapsBoostsOrReactions(): Boolean = reactions.isNotEmpty() || zaps.isNotEmpty() || boosts.isNotEmpty()
+
+    fun countReactions(): Int {
+        var total = 0
+        reactions.forEach { total += it.value.size }
+        return total
+    }
+
     fun addReply(note: Note) {
         if (note !in replies) {
             replies = replies + note
-            liveSet?.replies?.invalidateData()
+            flowSet?.replies?.invalidateData()
         }
     }
 
     fun removeReply(note: Note) {
         if (note in replies) {
             replies = replies - note
-            liveSet?.replies?.invalidateData()
+            flowSet?.replies?.invalidateData()
         }
     }
 
     fun removeBoost(note: Note) {
         if (note in boosts) {
             boosts = boosts - note
-            liveSet?.boosts?.invalidateData()
+            flowSet?.boosts?.invalidateData()
         }
     }
 
@@ -281,13 +287,11 @@ open class Note(
         relays = listOf<RelayBriefInfoCache.RelayBriefInfo>()
         lastReactionsDownloadTime = emptyMap()
 
-        if (repliesChanged) liveSet?.replies?.invalidateData()
-        if (reactionsChanged) liveSet?.reactions?.invalidateData()
-        if (boostsChanged) liveSet?.boosts?.invalidateData()
-        if (reportsChanged) {
-            flowSet?.reports?.invalidateData()
-        }
-        if (zapsChanged) liveSet?.zaps?.invalidateData()
+        if (repliesChanged) flowSet?.replies?.invalidateData()
+        if (reactionsChanged) flowSet?.reactions?.invalidateData()
+        if (boostsChanged) flowSet?.boosts?.invalidateData()
+        if (reportsChanged) flowSet?.reports?.invalidateData()
+        if (zapsChanged) flowSet?.zaps?.invalidateData()
 
         return toBeRemoved
     }
@@ -306,7 +310,7 @@ open class Note(
                         reactions = reactions + Pair(reaction, newList)
                     }
 
-                    liveSet?.reactions?.invalidateData()
+                    flowSet?.reactions?.invalidateData()
                 }
             }
         }
@@ -327,28 +331,28 @@ open class Note(
         if (zaps[note] != null) {
             zaps = zaps.minus(note)
             updateZapTotal()
-            liveSet?.zaps?.invalidateData()
+            flowSet?.zaps?.invalidateData()
         } else if (zaps.containsValue(note)) {
             zaps = zaps.filterValues { it != note }
             updateZapTotal()
-            liveSet?.zaps?.invalidateData()
+            flowSet?.zaps?.invalidateData()
         }
     }
 
     fun removeZapPayment(note: Note) {
         if (zapPayments.containsKey(note)) {
             zapPayments = zapPayments.minus(note)
-            liveSet?.zaps?.invalidateData()
+            flowSet?.zaps?.invalidateData()
         } else if (zapPayments.containsValue(note)) {
             zapPayments = zapPayments.filterValues { it != note }
-            liveSet?.zaps?.invalidateData()
+            flowSet?.zaps?.invalidateData()
         }
     }
 
     fun addBoost(note: Note) {
         if (note !in boosts) {
             boosts = boosts + note
-            liveSet?.boosts?.invalidateData()
+            flowSet?.boosts?.invalidateData()
         }
     }
 
@@ -375,7 +379,7 @@ open class Note(
             val inserted = innerAddZap(zapRequest, zap)
             if (inserted) {
                 updateZapTotal()
-                liveSet?.zaps?.invalidateData()
+                flowSet?.zaps?.invalidateData()
             }
         }
     }
@@ -401,7 +405,7 @@ open class Note(
         if (zapPayments[zapPaymentRequest] == null) {
             val inserted = innerAddZapPayment(zapPaymentRequest, zapPayment)
             if (inserted) {
-                liveSet?.zaps?.invalidateData()
+                flowSet?.zaps?.invalidateData()
             }
         }
     }
@@ -413,10 +417,10 @@ open class Note(
         val listOfAuthors = reactions[reaction]
         if (listOfAuthors == null) {
             reactions = reactions + Pair(reaction, listOf(note))
-            liveSet?.reactions?.invalidateData()
+            flowSet?.reactions?.invalidateData()
         } else if (!listOfAuthors.contains(note)) {
             reactions = reactions + Pair(reaction, listOfAuthors + note)
-            liveSet?.reactions?.invalidateData()
+            flowSet?.reactions?.invalidateData()
         }
     }
 
@@ -866,36 +870,8 @@ open class Note(
         return false
     }
 
-    var liveSet: NoteLiveSet? = null
     var flowSet: NoteFlowSet? = null
 
-    @Synchronized
-    fun createOrDestroyLiveSync(create: Boolean) {
-        if (create) {
-            if (liveSet == null) {
-                liveSet = NoteLiveSet(this)
-            }
-        } else {
-            if (liveSet != null && liveSet?.isInUse() == false) {
-                liveSet?.destroy()
-                liveSet = null
-            }
-        }
-    }
-
-    fun live(): NoteLiveSet {
-        if (liveSet == null) {
-            createOrDestroyLiveSync(true)
-        }
-        return liveSet!!
-    }
-
-    fun clearLive() {
-        if (liveSet != null && liveSet?.isInUse() == false) {
-            createOrDestroyLiveSync(false)
-        }
-    }
-
     @Synchronized
     fun createOrDestroyFlowSync(create: Boolean) {
         if (create) {
@@ -970,6 +946,12 @@ class NoteFlowSet(
     val metadata = NoteBundledRefresherFlow(u)
     val reports = NoteBundledRefresherFlow(u)
     val relays = NoteBundledRefresherFlow(u)
+    val reactions = NoteBundledRefresherFlow(u)
+    val boosts = NoteBundledRefresherFlow(u)
+    val replies = NoteBundledRefresherFlow(u)
+    val zaps = NoteBundledRefresherFlow(u)
+    val ots = NoteBundledRefresherFlow(u)
+    val edits = NoteBundledRefresherFlow(u)
 
     @OptIn(ExperimentalCoroutinesApi::class)
     fun author() =
@@ -981,31 +963,9 @@ class NoteFlowSet(
         }
 
     fun isInUse(): Boolean =
-        metadata.stateFlow.subscriptionCount.value > 0 ||
-            reports.stateFlow.subscriptionCount.value > 0 ||
-            relays.stateFlow.subscriptionCount.value > 0
-
-    fun destroy() {
-        metadata.destroy()
-        reports.destroy()
-        relays.destroy()
-    }
-}
-
-@Stable
-class NoteLiveSet(
-    u: Note,
-) {
-    // Observers line up here.
-    val metadata = NoteBundledRefresherLiveData(u)
-    val reactions = NoteBundledRefresherLiveData(u)
-    val boosts = NoteBundledRefresherLiveData(u)
-    val replies = NoteBundledRefresherLiveData(u)
-    val zaps = NoteBundledRefresherLiveData(u)
-    val ots = NoteBundledRefresherLiveData(u)
-    val edits = NoteBundledRefresherLiveData(u)
-
-    fun isInUse(): Boolean =
+        metadata.hasObservers() ||
+            reports.hasObservers() ||
+            relays.hasObservers() ||
             metadata.hasObservers() ||
             reactions.hasObservers() ||
             boosts.hasObservers() ||
@@ -1016,6 +976,8 @@ class NoteLiveSet(
 
     fun destroy() {
         metadata.destroy()
+        reports.destroy()
+        relays.destroy()
         reactions.destroy()
         boosts.destroy()
         replies.destroy()
@@ -1039,38 +1001,15 @@ class NoteBundledRefresherFlow(
     }
 
     fun invalidateData() {
-        checkNotInMainThread()
-
         bundler.invalidate {
-            checkNotInMainThread()
-
             stateFlow.emit(NoteState(note))
         }
     }
+
+    fun hasObservers() = stateFlow.subscriptionCount.value > 0
 }
 
-@Stable
-class NoteBundledRefresherLiveData(
-    val note: Note,
-) : LiveData<NoteState>(NoteState(note)) {
-    // Refreshes observers in batches.
-    private val bundler = BundledUpdate(500, Dispatchers.IO)
-
-    fun destroy() {
-        bundler.cancel()
-    }
-
-    fun invalidateData() {
-        checkNotInMainThread()
-
-        bundler.invalidate {
-            checkNotInMainThread()
-
-            postValue(NoteState(note))
-        }
-    }
-}
-
-@Immutable class NoteState(
+@Immutable
+class NoteState(
     val note: Note,
 )

amethyst/src/main/java/com/vitorpamplona/amethyst/model/User.kt

@@ -22,7 +22,6 @@ package com.vitorpamplona.amethyst.model
 
 import androidx.compose.runtime.Immutable
 import androidx.compose.runtime.Stable
-import androidx.lifecycle.LiveData
 import com.vitorpamplona.amethyst.service.checkNotInMainThread
 import com.vitorpamplona.amethyst.ui.note.toShortenHex
 import com.vitorpamplona.ammolite.relays.BundledUpdate
@@ -125,7 +124,7 @@ class User(
         if (event.id == latestBookmarkList?.id) return
 
         latestBookmarkList = event
-        liveSet?.bookmarks?.invalidateData()
+        flowSet?.bookmarks?.invalidateData()
     }
 
     fun clearEOSE() {
@@ -139,7 +138,6 @@ class User(
         latestContactList = event
 
         // Update following of the current user
-        liveSet?.follows?.invalidateData()
         flowSet?.follows?.invalidateData()
 
         // Update Followers of the past user list
@@ -147,19 +145,18 @@ class User(
         (oldContactListEvent)?.unverifiedFollowKeySet()?.forEach {
             LocalCache
                 .getUserIfExists(it)
-                ?.liveSet
+                ?.flowSet
                 ?.followers
                 ?.invalidateData()
         }
         (latestContactList)?.unverifiedFollowKeySet()?.forEach {
             LocalCache
                 .getUserIfExists(it)
-                ?.liveSet
+                ?.flowSet
                 ?.followers
                 ?.invalidateData()
         }
 
-        liveSet?.relays?.invalidateData()
         flowSet?.relays?.invalidateData()
     }
 
@@ -169,10 +166,10 @@ class User(
         val reportsBy = reports[author]
         if (reportsBy == null) {
             reports = reports + Pair(author, setOf(note))
-            liveSet?.reports?.invalidateData()
+            flowSet?.reports?.invalidateData()
         } else if (!reportsBy.contains(note)) {
             reports = reports + Pair(author, reportsBy + note)
-            liveSet?.reports?.invalidateData()
+            flowSet?.reports?.invalidateData()
         }
     }
 
@@ -182,7 +179,7 @@ class User(
         if (reports[author]?.contains(deleteNote) == true) {
             reports[author]?.let {
                 reports = reports + Pair(author, it.minus(deleteNote))
-                liveSet?.reports?.invalidateData()
+                flowSet?.reports?.invalidateData()
             }
         }
     }
@@ -193,17 +190,17 @@ class User(
     ) {
         if (zaps[zapRequest] == null) {
             zaps = zaps + Pair(zapRequest, zap)
-            liveSet?.zaps?.invalidateData()
+            flowSet?.zaps?.invalidateData()
         }
     }
 
     fun removeZap(zapRequestOrZapEvent: Note) {
         if (zaps.containsKey(zapRequestOrZapEvent)) {
             zaps = zaps.minus(zapRequestOrZapEvent)
-            liveSet?.zaps?.invalidateData()
+            flowSet?.zaps?.invalidateData()
         } else if (zaps.containsValue(zapRequestOrZapEvent)) {
             zaps = zaps.filter { it.value != zapRequestOrZapEvent }
-            liveSet?.zaps?.invalidateData()
+            flowSet?.zaps?.invalidateData()
         }
     }
 
@@ -256,7 +253,7 @@ class User(
         val privateChatroom = getOrCreatePrivateChatroom(room)
         if (msg !in privateChatroom.roomMessages) {
             privateChatroom.addMessageSync(msg)
-            liveSet?.messages?.invalidateData()
+            flowSet?.messages?.invalidateData()
         }
     }
 
@@ -267,7 +264,7 @@ class User(
         val privateChatroom = getOrCreatePrivateChatroom(user)
         if (msg !in privateChatroom.roomMessages) {
             privateChatroom.addMessageSync(msg)
-            liveSet?.messages?.invalidateData()
+            flowSet?.messages?.invalidateData()
         }
     }
 
@@ -284,7 +281,7 @@ class User(
         val privateChatroom = getOrCreatePrivateChatroom(user)
         if (msg in privateChatroom.roomMessages) {
             privateChatroom.removeMessageSync(msg)
-            liveSet?.messages?.invalidateData()
+            flowSet?.messages?.invalidateData()
         }
     }
 
@@ -296,7 +293,7 @@ class User(
         val privateChatroom = getOrCreatePrivateChatroom(room)
         if (msg in privateChatroom.roomMessages) {
             privateChatroom.removeMessageSync(msg)
-            liveSet?.messages?.invalidateData()
+            flowSet?.messages?.invalidateData()
         }
     }
 
@@ -314,7 +311,7 @@ class User(
             here.counter++
         }
 
-        liveSet?.relayInfo?.invalidateData()
+        flowSet?.relayInfo?.invalidateData()
     }
 
     fun updateUserInfo(
@@ -334,7 +331,6 @@ class User(
         }
 
         flowSet?.metadata?.invalidateData()
-        liveSet?.metadata?.invalidateData()
     }
 
     fun isFollowing(user: User): Boolean = latestContactList?.isTaggedUser(user.pubkeyHex) ?: false
@@ -398,36 +394,8 @@ class User(
 
     fun anyNameStartsWith(username: String): Boolean = info?.anyNameStartsWith(username) ?: false
 
-    var liveSet: UserLiveSet? = null
     var flowSet: UserFlowSet? = null
 
-    fun live(): UserLiveSet {
-        if (liveSet == null) {
-            createOrDestroyLiveSync(true)
-        }
-        return liveSet!!
-    }
-
-    fun clearLive() {
-        if (liveSet != null && liveSet?.isInUse() == false) {
-            createOrDestroyLiveSync(false)
-        }
-    }
-
-    @Synchronized
-    fun createOrDestroyLiveSync(create: Boolean) {
-        if (create) {
-            if (liveSet == null) {
-                liveSet = UserLiveSet(this)
-            }
-        } else {
-            if (liveSet != null && liveSet?.isInUse() == false) {
-                liveSet?.destroy()
-                liveSet = null
-            }
-        }
-    }
-
     @Synchronized
     fun createOrDestroyFlowSync(create: Boolean) {
         if (create) {
@@ -464,43 +432,21 @@ class UserFlowSet(
     val metadata = UserBundledRefresherFlow(u)
     val follows = UserBundledRefresherFlow(u)
     val relays = UserBundledRefresherFlow(u)
-
-    fun isInUse(): Boolean =
-        metadata.stateFlow.subscriptionCount.value > 0 ||
-            relays.stateFlow.subscriptionCount.value > 0 ||
-            follows.stateFlow.subscriptionCount.value > 0
-
-    fun destroy() {
-        metadata.destroy()
-        relays.destroy()
-        follows.destroy()
-    }
-}
-
-@Stable
-class UserLiveSet(
-    u: User,
-) {
-    val metadata = UserBundledRefresherLiveData(u)
-
-    // UI Observers line up here.
-    val follows = UserBundledRefresherLiveData(u)
-    val followers = UserBundledRefresherLiveData(u)
-    val reports = UserBundledRefresherLiveData(u)
-    val messages = UserBundledRefresherLiveData(u)
-    val relays = UserBundledRefresherLiveData(u)
-    val relayInfo = UserBundledRefresherLiveData(u)
-    val zaps = UserBundledRefresherLiveData(u)
-    val bookmarks = UserBundledRefresherLiveData(u)
-    val statuses = UserBundledRefresherLiveData(u)
+    val followers = UserBundledRefresherFlow(u)
+    val reports = UserBundledRefresherFlow(u)
+    val messages = UserBundledRefresherFlow(u)
+    val relayInfo = UserBundledRefresherFlow(u)
+    val zaps = UserBundledRefresherFlow(u)
+    val bookmarks = UserBundledRefresherFlow(u)
+    val statuses = UserBundledRefresherFlow(u)
 
     fun isInUse(): Boolean =
         metadata.hasObservers() ||
+            relays.hasObservers() ||
             follows.hasObservers() ||
             followers.hasObservers() ||
             reports.hasObservers() ||
             messages.hasObservers() ||
-            relays.hasObservers() ||
             relayInfo.hasObservers() ||
             zaps.hasObservers() ||
             bookmarks.hasObservers() ||
@@ -508,11 +454,11 @@ class UserLiveSet(
 
     fun destroy() {
         metadata.destroy()
+        relays.destroy()
         follows.destroy()
         followers.destroy()
         reports.destroy()
         messages.destroy()
-        relays.destroy()
         relayInfo.destroy()
         zaps.destroy()
         bookmarks.destroy()
@@ -527,27 +473,6 @@ data class RelayInfo(
     var counter: Long,
 )
 
-class UserBundledRefresherLiveData(
-    val user: User,
-) : LiveData<UserState>(UserState(user)) {
-    // Refreshes observers in batches.
-    private val bundler = BundledUpdate(500, Dispatchers.IO)
-
-    fun destroy() {
-        bundler.cancel()
-    }
-
-    fun invalidateData() {
-        checkNotInMainThread()
-
-        bundler.invalidate {
-            checkNotInMainThread()
-
-            postValue(UserState(user))
-        }
-    }
-}
-
 @Stable
 class UserBundledRefresherFlow(
     val user: User,
@@ -569,8 +494,11 @@ class UserBundledRefresherFlow(
             stateFlow.emit(UserState(user))
         }
     }
+
+    fun hasObservers() = stateFlow.subscriptionCount.value > 0
 }
 
-@Immutable class UserState(
+@Immutable
+class UserState(
     val user: User,
 )

amethyst/src/main/java/com/vitorpamplona/amethyst/service/Nip11RelayInfoRetriever.kt

@@ -20,7 +20,6 @@
  */
 package com.vitorpamplona.amethyst.service
 
-import android.content.ContentProviderOperation.newCall
 import android.util.Log
 import android.util.LruCache
 import com.vitorpamplona.quartz.nip11RelayInfo.Nip11RelayInformation

amethyst/src/main/java/com/vitorpamplona/amethyst/service/location/LocationState.kt

@@ -21,7 +21,6 @@
 package com.vitorpamplona.amethyst.service.location
 
 import android.content.Context
-import coil3.util.CoilUtils.result
 import com.fonfon.kgeohash.GeoHash
 import com.fonfon.kgeohash.toGeoHash
 import com.vitorpamplona.quartz.nip01Core.tags.geohash.GeohashPrecision

amethyst/src/main/java/com/vitorpamplona/amethyst/service/notifications/PokeyReceiver.kt

@@ -27,9 +27,7 @@ import android.content.Context.RECEIVER_EXPORTED
 import android.content.Intent
 import android.content.IntentFilter
 import android.os.Build
-import android.provider.LiveFolders.INTENT
 import android.util.Log
-import androidx.core.content.ContextCompat.registerReceiver
 import com.vitorpamplona.amethyst.Amethyst
 import com.vitorpamplona.quartz.nip01Core.core.Event
 import kotlinx.coroutines.launch

amethyst/src/main/java/com/vitorpamplona/amethyst/service/relayClient/KeyDataSourceSubscription.kt

@@ -30,24 +30,20 @@ import com.vitorpamplona.amethyst.service.relayClient.searchCommand.MutableQuery
 fun <T> KeyDataSourceSubscription(
     state: T,
     dataSource: QueryBasedSubscriptionOrchestrator<T>,
-) {
-    DisposableEffect(state) {
+) = DisposableEffect(state) {
     dataSource.subscribe(state)
     onDispose {
         dataSource.unsubscribe(state)
     }
-    }
 }
 
 @Composable
 fun <T : MutableQueryState> KeyDataSourceSubscription(
     state: T,
     dataSource: MutableQueryBasedSubscriptionOrchestrator<T>,
-) {
-    DisposableEffect(state) {
+) = DisposableEffect(state) {
     dataSource.subscribe(state)
     onDispose {
         dataSource.unsubscribe(state)
     }
-    }
 }

amethyst/src/main/java/com/vitorpamplona/amethyst/service/relayClient/authCommand/model/AuthCoordinator.kt

@@ -25,7 +25,6 @@ import com.vitorpamplona.amethyst.isDebug
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.ammolite.relays.NostrClient
 import com.vitorpamplona.ammolite.relays.datasources.RelayAuthenticator
-import kotlin.collections.forEach
 
 class ScreenAuthAccount(
     val account: Account,

amethyst/src/main/java/com/vitorpamplona/amethyst/service/relayClient/authCommand/model/ListWithUniqueSetCache.kt

@@ -20,7 +20,7 @@
  */
 package com.vitorpamplona.amethyst.service.relayClient.authCommand.model
 
-import androidx.lifecycle.AtomicReference
+import java.util.concurrent.atomic.AtomicReference
 
 class ListWithUniqueSetCache<T, U>(
     val key: (T) -> U,

amethyst/src/main/java/com/vitorpamplona/amethyst/service/relayClient/reqCommand/QueryBasedSubscriptionOrchestrator.kt

@@ -20,8 +20,6 @@
  */
 package com.vitorpamplona.amethyst.service.relayClient.reqCommand
 
-import android.util.Log
-import com.vitorpamplona.amethyst.isDebug
 import com.vitorpamplona.ammolite.relays.NostrClient
 import com.vitorpamplona.ammolite.relays.datasources.SubscriptionOrchestrator
 import java.util.concurrent.ConcurrentHashMap
@@ -48,10 +46,6 @@ abstract class QueryBasedSubscriptionOrchestrator<T>(
         }
 
         invalidateFilters()
-
-        if (isDebug) {
-            Log.d(this::class.simpleName, "Watch $query (${queries.size} queries)")
-        }
     }
 
     // This is called by main. Keep it really fast.
@@ -65,10 +59,6 @@ abstract class QueryBasedSubscriptionOrchestrator<T>(
         if (queries.isEmpty()) {
             stop()
         }
-
-        if (isDebug) {
-            Log.d(this::class.simpleName, "Unwatch $query (${queries.size} queries)")
-        }
     }
 
     fun forEachSubscriber(action: (T) -> Unit) {

amethyst/src/main/java/com/vitorpamplona/amethyst/service/relayClient/reqCommand/account/AccountObservers.kt

@@ -0,0 +1,62 @@
+/**
+ * Copyright (c) 2024 Vitor Pamplona
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
+ * Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+package com.vitorpamplona.amethyst.service.relayClient.reqCommand.account
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.State
+import androidx.compose.runtime.remember
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import com.vitorpamplona.amethyst.model.Account
+import com.vitorpamplona.amethyst.model.User
+import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.map
+
+@Composable
+fun observeAccountIsHiddenWord(
+    account: Account,
+    word: String,
+): State<Boolean> {
+    // Subscribe in the LocalCache for changes that arrive in the device
+    val flow =
+        remember(account, word) {
+            account.flowHiddenUsers
+                .map { word in it.hiddenWords }
+                .distinctUntilChanged()
+        }
+
+    return flow.collectAsStateWithLifecycle(false)
+}
+
+@Composable
+fun observeAccountIsHiddenUser(
+    account: Account,
+    user: User,
+): State<Boolean> {
+    // Subscribe in the LocalCache for changes that arrive in the device
+    val flow =
+        remember(account, user) {
+            account.flowHiddenUsers
+                .map { it.hiddenUsers.contains(user.pubkeyHex) || it.spammers.contains(user.pubkeyHex) }
+                .distinctUntilChanged()
+        }
+
+    return flow.collectAsStateWithLifecycle(account.isHidden(user))
+}

amethyst/src/main/java/com/vitorpamplona/amethyst/service/relayClient/reqCommand/channel/ChannelFinderFilterAssembler.kt

@@ -31,8 +31,6 @@ import com.vitorpamplona.ammolite.relays.TypedFilter
 import com.vitorpamplona.ammolite.relays.filters.SincePerRelayFilter
 import com.vitorpamplona.quartz.nip28PublicChat.admin.ChannelCreateEvent
 import com.vitorpamplona.quartz.nip28PublicChat.admin.ChannelMetadataEvent
-import kotlin.collections.filter
-import kotlin.collections.mapNotNull
 
 // This allows multiple screen to be listening to tags, even the same tag
 class ChannelFinderQueryState(

amethyst/src/main/java/com/vitorpamplona/amethyst/service/relayClient/reqCommand/channel/ChannelObservers.kt

@@ -22,13 +22,52 @@ package com.vitorpamplona.amethyst.service.relayClient.reqCommand.channel
 
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.State
-import androidx.compose.runtime.livedata.observeAsState
+import androidx.compose.runtime.remember
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import com.vitorpamplona.amethyst.model.Channel
 import com.vitorpamplona.amethyst.model.ChannelState
+import com.vitorpamplona.amethyst.model.LiveActivitiesChannel
+import com.vitorpamplona.quartz.nip53LiveActivities.streaming.LiveActivitiesEvent
+import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.mapLatest
 
 @Composable
 fun observeChannel(baseChannel: Channel): State<ChannelState?> {
     ChannelFinderFilterAssemblerSubscription(baseChannel)
 
-    return baseChannel.live.observeAsState()
+    return baseChannel.flow.stateFlow.collectAsStateWithLifecycle()
+}
+
+@Composable
+fun observeChannelPicture(baseChannel: Channel): State<String?> {
+    // Subscribe in the relay for changes in the metadata of this user.
+    ChannelFinderFilterAssemblerSubscription(baseChannel)
+
+    // Subscribe in the LocalCache for changes that arrive in the device
+    val flow =
+        remember(baseChannel) {
+            baseChannel
+                .flow.stateFlow
+                .mapLatest { it.channel.profilePicture() }
+                .distinctUntilChanged()
+        }
+
+    return flow.collectAsStateWithLifecycle(baseChannel.profilePicture())
+}
+
+@Composable
+fun observeChannelInfo(baseChannel: LiveActivitiesChannel): State<LiveActivitiesEvent?> {
+    // Subscribe in the relay for changes in the metadata of this user.
+    ChannelFinderFilterAssemblerSubscription(baseChannel)
+
+    // Subscribe in the LocalCache for changes that arrive in the device
+    val flow =
+        remember(baseChannel) {
+            baseChannel
+                .flow.stateFlow
+                .mapLatest { (it.channel as? LiveActivitiesChannel)?.info }
+                .distinctUntilChanged()
+        }
+
+    return flow.collectAsStateWithLifecycle(baseChannel.info)
 }

amethyst/src/main/java/com/vitorpamplona/amethyst/service/relayClient/reqCommand/event/EventFinderFilterAssembler.kt

@@ -46,7 +46,6 @@ import com.vitorpamplona.quartz.nip57Zaps.LnZapEvent
 import com.vitorpamplona.quartz.nip72ModCommunities.approval.CommunityPostApprovalEvent
 import com.vitorpamplona.quartz.nip90Dvms.NIP90ContentDiscoveryResponseEvent
 import com.vitorpamplona.quartz.nip90Dvms.NIP90StatusEvent
-import kotlin.collections.mapNotNullTo
 
 // This allows multiple screen to be listening to tags, even the same tag
 class EventFinderQueryState(

amethyst/src/main/java/com/vitorpamplona/amethyst/service/relayClient/reqCommand/event/EventObservers.kt

@@ -22,22 +22,30 @@ package com.vitorpamplona.amethyst.service.relayClient.reqCommand.event
 
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.State
-import androidx.compose.runtime.livedata.observeAsState
-import androidx.lifecycle.distinctUntilChanged
-import androidx.lifecycle.map
+import androidx.compose.runtime.remember
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.model.NoteState
 import com.vitorpamplona.amethyst.model.User
-import com.vitorpamplona.amethyst.ui.note.combineWith
 import com.vitorpamplona.quartz.nip01Core.core.Event
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.flow
+import kotlinx.coroutines.flow.flowOn
+import kotlinx.coroutines.flow.mapLatest
+import kotlinx.coroutines.flow.sample
 
 @Composable
-fun observeNote(note: Note): State<NoteState?> {
+fun observeNote(note: Note): State<NoteState> {
     // Subscribe in the relay for changes in this note.
     EventFinderFilterAssemblerSubscription(note)
 
     // Subscribe in the LocalCache for changes that arrive in the device
-    return note.live().metadata.observeAsState()
+    return note
+        .flow()
+        .metadata.stateFlow
+        .collectAsStateWithLifecycle()
 }
 
 @Composable
@@ -46,11 +54,15 @@ fun <T : Event> observeNoteEvent(note: Note): State<T?> {
     EventFinderFilterAssemblerSubscription(note)
 
     // Subscribe in the LocalCache for changes that arrive in the device
-    return note
-        .live()
-        .metadata
-        .map { it.note.event as? T? }
-        .observeAsState(note.event as? T?)
+    val flow =
+        remember(note) {
+            note
+                .flow()
+                .metadata.stateFlow
+                .mapLatest { it.note.event as? T? }
+        }
+
+    return flow.collectAsStateWithLifecycle(note.event as? T?)
 }
 
 @Composable
@@ -61,13 +73,18 @@ fun <T> observeNoteAndMap(
     // Subscribe in the relay for changes in this note.
     EventFinderFilterAssemblerSubscription(note)
 
-    // Subscribe in the LocalCache for changes that arrive in the device
-    return note
-        .live()
-        .metadata
-        .map { map(it.note) }
+    val flow =
+        remember(note) {
+            note
+                .flow()
+                .metadata.stateFlow
+                .mapLatest { map(it.note) }
                 .distinctUntilChanged()
-        .observeAsState(map(note))
+                .flowOn(Dispatchers.Default)
+        }
+
+    // Subscribe in the LocalCache for changes that arrive in the device
+    return flow.collectAsStateWithLifecycle(map(note))
 }
 
 @Composable
@@ -79,14 +96,18 @@ fun <T, U> observeNoteEventAndMap(
     EventFinderFilterAssemblerSubscription(note)
 
     // Subscribe in the LocalCache for changes that arrive in the device
-    return note
-        .live()
-        .metadata
-        .map { (it.note.event as? T)?.let { map(it) } }
+    val flow =
+        remember(note) {
+            note
+                .flow()
+                .metadata.stateFlow
+                .mapLatest { (it.note.event as? T)?.let { map(it) } }
                 .distinctUntilChanged()
-        .observeAsState(
-            (note.event as? T)?.let { map(it) },
-        )
+                .flowOn(Dispatchers.Default)
+        }
+
+    // Subscribe in the LocalCache for changes that arrive in the device
+    return flow.collectAsStateWithLifecycle((note.event as? T)?.let { map(it) })
 }
 
 @Composable
@@ -95,12 +116,16 @@ fun observeNoteHasEvent(note: Note): State<Boolean> {
     EventFinderFilterAssemblerSubscription(note)
 
     // Subscribe in the LocalCache for changes that arrive in the device
-    return note
-        .live()
-        .metadata
-        .map { it.note.event != null }
+    val flow =
+        remember(note) {
+            note
+                .flow()
+                .metadata.stateFlow
+                .mapLatest { it.note.event != null }
                 .distinctUntilChanged()
-        .observeAsState(note.event != null)
+        }
+
+    return flow.collectAsStateWithLifecycle(note.event != null)
 }
 
 @Composable
@@ -109,7 +134,10 @@ fun observeNoteReplies(note: Note): State<NoteState?> {
     EventFinderFilterAssemblerSubscription(note)
 
     // Subscribe in the LocalCache for changes that arrive in the device
-    return note.live().replies.observeAsState()
+    return note
+        .flow()
+        .replies.stateFlow
+        .collectAsStateWithLifecycle()
 }
 
 @Composable
@@ -118,12 +146,17 @@ fun observeNoteReplyCount(note: Note): State<Int> {
     EventFinderFilterAssemblerSubscription(note)
 
     // Subscribe in the LocalCache for changes that arrive in the device
-    return note
-        .live()
-        .replies
-        .map { it.note.reactions.size }
+    val flow =
+        remember(note) {
+            note
+                .flow()
+                .reactions.stateFlow
+                .mapLatest { it.note.replies.size }
+                .sample(1000)
                 .distinctUntilChanged()
-        .observeAsState(note.reactions.size)
+        }
+
+    return flow.collectAsStateWithLifecycle(note.replies.size)
 }
 
 @Composable
@@ -132,7 +165,10 @@ fun observeNoteReactions(note: Note): State<NoteState?> {
     EventFinderFilterAssemblerSubscription(note)
 
     // Subscribe in the LocalCache for changes that arrive in the device
-    return note.live().reactions.observeAsState()
+    return note
+        .flow()
+        .reactions.stateFlow
+        .collectAsStateWithLifecycle()
 }
 
 @Composable
@@ -141,15 +177,19 @@ fun observeNoteReactionCount(note: Note): State<Int> {
     EventFinderFilterAssemblerSubscription(note)
 
     // Subscribe in the LocalCache for changes that arrive in the device
-    return note
-        .live()
-        .reactions
-        .map {
-            var total = 0
-            it.note.reactions.forEach { total += it.value.size }
-            total
-        }.distinctUntilChanged()
-        .observeAsState(0)
+    val flow =
+        remember(note) {
+            note
+                .flow()
+                .reactions.stateFlow
+                .mapLatest { it.note.countReactions() }
+                .sample(1000)
+                .distinctUntilChanged()
+                .flowOn(Dispatchers.Default)
+        }
+
+    // Subscribe in the LocalCache for changes that arrive in the device
+    return flow.collectAsStateWithLifecycle(note.countReactions())
 }
 
 @Composable
@@ -158,7 +198,10 @@ fun observeNoteZaps(note: Note): State<NoteState?> {
     EventFinderFilterAssemblerSubscription(note)
 
     // Subscribe in the LocalCache for changes that arrive in the device
-    return note.live().zaps.observeAsState()
+    return note
+        .flow()
+        .zaps.stateFlow
+        .collectAsStateWithLifecycle()
 }
 
 @Composable
@@ -167,7 +210,10 @@ fun observeNoteReposts(note: Note): State<NoteState?> {
     EventFinderFilterAssemblerSubscription(note)
 
     // Subscribe in the LocalCache for changes that arrive in the device
-    return note.live().boosts.observeAsState()
+    return note
+        .flow()
+        .boosts.stateFlow
+        .collectAsStateWithLifecycle()
 }
 
 @Composable
@@ -179,12 +225,17 @@ fun observeNoteRepostsBy(
     EventFinderFilterAssemblerSubscription(note)
 
     // Subscribe in the LocalCache for changes that arrive in the device
-    return note
-        .live()
-        .boosts
-        .map { it.note.isBoostedBy(user) }
+    val flow =
+        remember(note) {
+            note
+                .flow()
+                .boosts.stateFlow
+                .mapLatest { it.note.isBoostedBy(user) }
                 .distinctUntilChanged()
-        .observeAsState(note.isBoostedBy(user))
+                .flowOn(Dispatchers.Default)
+        }
+
+    return flow.collectAsStateWithLifecycle(note.isBoostedBy(user))
 }
 
 @Composable
@@ -193,12 +244,17 @@ fun observeNoteRepostCount(note: Note): State<Int> {
     EventFinderFilterAssemblerSubscription(note)
 
     // Subscribe in the LocalCache for changes that arrive in the device
-    return note
-        .live()
-        .boosts
-        .map { it.note.boosts.size }
+    val flow =
+        remember(note) {
+            note
+                .flow()
+                .boosts.stateFlow
+                .sample(1000)
+                .mapLatest { note.boosts.size }
                 .distinctUntilChanged()
-        .observeAsState(note.boosts.size)
+        }
+
+    return flow.collectAsStateWithLifecycle(note.boosts.size)
 }
 
 @Composable
@@ -207,17 +263,18 @@ fun observeNoteReferences(note: Note): State<Boolean> {
     EventFinderFilterAssemblerSubscription(note)
 
     // Subscribe in the LocalCache for changes that arrive in the device
-    return note
-        .live()
-        .zaps
-        .combineWith(note.live().boosts, note.live().reactions) { zapState, boostState, reactionState ->
-            zapState?.note?.zaps?.isNotEmpty() == true ||
-                boostState?.note?.boosts?.isNotEmpty() == true ||
-                reactionState?.note?.reactions?.isNotEmpty() == true
+    val flow =
+        remember(note) {
+            combine(
+                note.flow().zaps.stateFlow,
+                note.flow().boosts.stateFlow,
+                note.flow().reactions.stateFlow,
+            ) { zapState, boostState, reactionState ->
+                zapState.note.hasZapsBoostsOrReactions()
             }.distinctUntilChanged()
-        .observeAsState(
-            note.zaps.isNotEmpty() || note.boosts.isNotEmpty() || note.reactions.isNotEmpty(),
-        )
+        }
+
+    return flow.collectAsStateWithLifecycle(note.hasZapsBoostsOrReactions())
 }
 
 @Composable
@@ -226,7 +283,11 @@ fun observeNoteOts(note: Note): State<NoteState?> {
     EventFinderFilterAssemblerSubscription(note)
 
     // Subscribe in the LocalCache for changes that arrive in the device
-    return note.live().ots.observeAsState()
+    return note
+        .flow()
+        .ots
+        .stateFlow
+        .collectAsStateWithLifecycle()
 }
 
 @Composable
@@ -235,5 +296,9 @@ fun observeNoteEdits(note: Note): State<NoteState?> {
     EventFinderFilterAssemblerSubscription(note)
 
     // Subscribe in the LocalCache for changes that arrive in the device
-    return note.live().edits.observeAsState()
+    return note
+        .flow()
+        .edits
+        .stateFlow
+        .collectAsStateWithLifecycle()
 }

amethyst/src/main/java/com/vitorpamplona/amethyst/service/relayClient/reqCommand/user/UserObservers.kt

@@ -22,12 +22,26 @@ package com.vitorpamplona.amethyst.service.relayClient.reqCommand.user
 
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.State
-import androidx.compose.runtime.livedata.observeAsState
-import androidx.lifecycle.distinctUntilChanged
-import androidx.lifecycle.map
+import androidx.compose.runtime.remember
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import com.vitorpamplona.amethyst.model.AddressableNote
+import com.vitorpamplona.amethyst.model.Channel
+import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.model.UserState
 import com.vitorpamplona.quartz.nip01Core.metadata.UserMetadata
+import com.vitorpamplona.quartz.nip01Core.tags.events.isTaggedEvent
+import com.vitorpamplona.quartz.nip17Dm.base.ChatroomKey
+import com.vitorpamplona.quartz.nip65RelayList.RelayUrlFormatter
+import kotlinx.collections.immutable.ImmutableList
+import kotlinx.collections.immutable.persistentListOf
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.flowOn
+import kotlinx.coroutines.flow.mapLatest
+import kotlinx.coroutines.flow.sample
+import java.math.BigDecimal
 
 @Composable
 fun observeUser(user: User): State<UserState?> {
@@ -35,7 +49,10 @@ fun observeUser(user: User): State<UserState?> {
     UserFinderFilterAssemblerSubscription(user)
 
     // Subscribe in the LocalCache for changes that arrive in the device
-    return user.live().metadata.observeAsState()
+    return user
+        .flow()
+        .metadata.stateFlow
+        .collectAsStateWithLifecycle()
 }
 
 @Composable
@@ -43,13 +60,17 @@ fun observeUserName(user: User): State<String> {
     // Subscribe in the relay for changes in the metadata of this user.
     UserFinderFilterAssemblerSubscription(user)
 
-    // Subscribe in the LocalCache for changes that arrive in the device
-    return user
-        .live()
-        .metadata
-        .map { it.user.toBestDisplayName() }
+    val flow =
+        remember(user) {
+            user
+                .flow()
+                .metadata.stateFlow
+                .mapLatest { it.user.toBestDisplayName() }
                 .distinctUntilChanged()
-        .observeAsState(user.toBestDisplayName())
+        }
+
+    // Subscribe in the LocalCache for changes that arrive in the device
+    return flow.collectAsStateWithLifecycle(user.toBestDisplayName())
 }
 
 @Composable
@@ -57,13 +78,17 @@ fun observeUserNip05(user: User): State<String?> {
     // Subscribe in the relay for changes in the metadata of this user.
     UserFinderFilterAssemblerSubscription(user)
 
-    // Subscribe in the LocalCache for changes that arrive in the device
-    return user
-        .live()
-        .metadata
-        .map { it.user.info?.nip05 }
+    val flow =
+        remember(user) {
+            user
+                .flow()
+                .metadata.stateFlow
+                .mapLatest { it.user.info?.nip05 }
                 .distinctUntilChanged()
-        .observeAsState(user.info?.nip05)
+        }
+
+    // Subscribe in the LocalCache for changes that arrive in the device
+    return flow.collectAsStateWithLifecycle(user.info?.nip05)
 }
 
 @Composable
@@ -72,12 +97,16 @@ fun observeUserAboutMe(user: User): State<String> {
     UserFinderFilterAssemblerSubscription(user)
 
     // Subscribe in the LocalCache for changes that arrive in the device
-    return user
-        .live()
-        .metadata
-        .map { it.user.info?.about ?: "" }
+    val flow =
+        remember(user) {
+            user
+                .flow()
+                .metadata.stateFlow
+                .mapLatest { it.user.info?.about ?: "" }
                 .distinctUntilChanged()
-        .observeAsState(user.info?.about ?: "")
+        }
+
+    return flow.collectAsStateWithLifecycle(user.info?.about ?: "")
 }
 
 @Composable
@@ -86,26 +115,34 @@ fun observeUserInfo(user: User): State<UserMetadata?> {
     UserFinderFilterAssemblerSubscription(user)
 
     // Subscribe in the LocalCache for changes that arrive in the device
-    return user
-        .live()
-        .metadata
-        .map { it.user.info }
+    val flow =
+        remember(user) {
+            user
+                .flow()
+                .metadata.stateFlow
+                .mapLatest { it.user.info }
                 .distinctUntilChanged()
-        .observeAsState(user.info)
+        }
+
+    return flow.collectAsStateWithLifecycle(user.info)
 }
 
 @Composable
-fun observeUserBanner(user: User): State<String> {
+fun observeUserBanner(user: User): State<String?> {
     // Subscribe in the relay for changes in the metadata of this user.
     UserFinderFilterAssemblerSubscription(user)
 
     // Subscribe in the LocalCache for changes that arrive in the device
-    return user
-        .live()
-        .metadata
-        .map { it.user.info?.banner ?: "" }
+    val flow =
+        remember(user) {
+            user
+                .flow()
+                .metadata.stateFlow
+                .mapLatest { it.user.info?.banner }
                 .distinctUntilChanged()
-        .observeAsState(user.info?.banner ?: "")
+        }
+
+    return flow.collectAsStateWithLifecycle(user.info?.banner)
 }
 
 @Composable
@@ -114,12 +151,16 @@ fun observeUserPicture(user: User): State<String?> {
     UserFinderFilterAssemblerSubscription(user)
 
     // Subscribe in the LocalCache for changes that arrive in the device
-    return user
-        .live()
-        .metadata
-        .map { it.user.info?.picture }
+    val flow =
+        remember(user) {
+            user
+                .flow()
+                .metadata.stateFlow
+                .mapLatest { it.user.info?.picture }
                 .distinctUntilChanged()
-        .observeAsState(user.info?.picture)
+        }
+
+    return flow.collectAsStateWithLifecycle(user.info?.picture)
 }
 
 @Composable
@@ -128,10 +169,400 @@ fun observeUserShortName(user: User): State<String> {
     UserFinderFilterAssemblerSubscription(user)
 
     // Subscribe in the LocalCache for changes that arrive in the device
-    return user
-        .live()
-        .metadata
-        .map { it.user.toBestShortFirstName() }
+    val flow =
+        remember(user) {
+            user
+                .flow()
+                .metadata.stateFlow
+                .mapLatest { it.user.toBestShortFirstName() }
                 .distinctUntilChanged()
-        .observeAsState(user.toBestShortFirstName())
+        }
+
+    return flow.collectAsStateWithLifecycle(user.toBestShortFirstName())
+}
+
+@Composable
+fun observeUserFollows(user: User): State<UserState?> {
+    // Subscribe in the relay for changes in the metadata of this user.
+    UserFinderFilterAssemblerSubscription(user)
+
+    // Subscribe in the LocalCache for changes that arrive in the device
+    return user
+        .flow()
+        .follows.stateFlow
+        .collectAsStateWithLifecycle()
+}
+
+@Composable
+fun observeUserFollowCount(user: User): State<Int> {
+    // Subscribe in the relay for changes in the metadata of this user.
+    UserFinderFilterAssemblerSubscription(user)
+
+    // Subscribe in the LocalCache for changes that arrive in the device
+    val flow =
+        remember(user) {
+            user
+                .flow()
+                .followers.stateFlow
+                .sample(1000)
+                .mapLatest { userState ->
+                    userState.user.transientFollowCount() ?: 0
+                }.distinctUntilChanged()
+                .flowOn(Dispatchers.Default)
+        }
+
+    return flow.collectAsStateWithLifecycle(0)
+}
+
+@Composable
+fun observeUserTagFollows(user: User): State<Int> {
+    // Subscribe in the relay for changes in the metadata of this user.
+    UserFinderFilterAssemblerSubscription(user)
+
+    // Subscribe in the LocalCache for changes that arrive in the device
+    val flow =
+        remember(user) {
+            user
+                .flow()
+                .follows.stateFlow
+                .sample(1000)
+                .mapLatest { userState ->
+                    userState.user.latestContactList?.countFollowTags() ?: 0
+                }.distinctUntilChanged()
+                .flowOn(Dispatchers.Default)
+        }
+
+    return flow.collectAsStateWithLifecycle(0)
+}
+
+@Composable
+fun observeUserBookmarks(user: User): State<UserState?> {
+    // Subscribe in the relay for changes in the metadata of this user.
+    UserFinderFilterAssemblerSubscription(user)
+
+    // Subscribe in the LocalCache for changes that arrive in the device
+    return user
+        .flow()
+        .bookmarks.stateFlow
+        .collectAsStateWithLifecycle()
+}
+
+@Composable
+fun observeUserBookmarkCount(user: User): State<Int> {
+    // Subscribe in the relay for changes in the metadata of this user.
+    UserFinderFilterAssemblerSubscription(user)
+
+    // Subscribe in the LocalCache for changes that arrive in the device
+    val flow =
+        remember(user) {
+            user
+                .flow()
+                .followers.stateFlow
+                .sample(1000)
+                .mapLatest { userState ->
+                    userState.user.latestBookmarkList?.countBookmarks() ?: 0
+                }.distinctUntilChanged()
+                .flowOn(Dispatchers.Default)
+        }
+
+    return flow.collectAsStateWithLifecycle(0)
+}
+
+@Composable
+fun observeUserFollowers(user: User): State<UserState?> {
+    // Subscribe in the relay for changes in the metadata of this user.
+    UserFinderFilterAssemblerSubscription(user)
+
+    // Subscribe in the LocalCache for changes that arrive in the device
+    return user
+        .flow()
+        .followers.stateFlow
+        .collectAsStateWithLifecycle()
+}
+
+@Composable
+fun observeUserFollowerCount(user: User): State<Int> {
+    // Subscribe in the relay for changes in the metadata of this user.
+    UserFinderFilterAssemblerSubscription(user)
+
+    // Subscribe in the LocalCache for changes that arrive in the device
+    val flow =
+        remember(user) {
+            user
+                .flow()
+                .followers.stateFlow
+                .sample(1000)
+                .mapLatest { userState ->
+                    userState.user.transientFollowerCount()
+                }.distinctUntilChanged()
+                .flowOn(Dispatchers.Default)
+        }
+
+    return flow.collectAsStateWithLifecycle(0)
+}
+
+@Composable
+fun observeUserIsFollowing(
+    user1: User,
+    user2: User,
+): State<Boolean> {
+    // Subscribe in the relay for changes in the metadata of this user.
+    UserFinderFilterAssemblerSubscription(user1)
+
+    // Subscribe in the LocalCache for changes that arrive in the device
+    val flow =
+        remember(user1) {
+            user1
+                .flow()
+                .follows.stateFlow
+                .sample(1000)
+                .mapLatest { userState ->
+                    userState.user.isFollowing(user2)
+                }.distinctUntilChanged()
+                .flowOn(Dispatchers.Default)
+        }
+
+    return flow.collectAsStateWithLifecycle(user1.isFollowing(user2))
+}
+
+@Composable
+fun observeUserIsFollowingHashtag(
+    user: User,
+    hashtag: String,
+): State<Boolean> {
+    // Subscribe in the relay for changes in the metadata of this user.
+    UserFinderFilterAssemblerSubscription(user)
+
+    // Subscribe in the LocalCache for changes that arrive in the device
+    val flow =
+        remember(user) {
+            user
+                .flow()
+                .follows.stateFlow
+                .sample(1000)
+                .mapLatest { userState ->
+                    userState.user.isFollowingHashtag(hashtag)
+                }.distinctUntilChanged()
+                .flowOn(Dispatchers.Default)
+        }
+
+    return flow.collectAsStateWithLifecycle(user.isFollowingHashtag(hashtag))
+}
+
+@Composable
+fun observeUserIsFollowingGeohash(
+    user: User,
+    geohash: String,
+): State<Boolean> {
+    // Subscribe in the relay for changes in the metadata of this user.
+    UserFinderFilterAssemblerSubscription(user)
+
+    // Subscribe in the LocalCache for changes that arrive in the device
+    val flow =
+        remember(user) {
+            user
+                .flow()
+                .follows.stateFlow
+                .sample(1000)
+                .mapLatest { userState ->
+                    userState.user.isFollowingGeohash(geohash)
+                }.distinctUntilChanged()
+                .flowOn(Dispatchers.Default)
+        }
+
+    return flow.collectAsStateWithLifecycle(user.isFollowingGeohash(geohash))
+}
+
+@Composable
+fun observeUserIsFollowingChannel(
+    user: User,
+    channel: Channel,
+): State<Boolean> {
+    // Subscribe in the relay for changes in the metadata of this user.
+    UserFinderFilterAssemblerSubscription(user)
+
+    // Subscribe in the LocalCache for changes that arrive in the device
+    val flow =
+        remember(user) {
+            user
+                .flow()
+                .follows.stateFlow
+                .sample(1000)
+                .mapLatest { userState ->
+                    userState.user.latestContactList?.isTaggedEvent(channel.idHex) ?: false
+                }.distinctUntilChanged()
+                .flowOn(Dispatchers.Default)
+        }
+
+    return flow.collectAsStateWithLifecycle(user.latestContactList?.isTaggedEvent(channel.idHex) ?: false)
+}
+
+@Composable
+fun observeUserZaps(user: User): State<UserState?> {
+    // Subscribe in the relay for changes in the metadata of this user.
+    UserFinderFilterAssemblerSubscription(user)
+
+    // Subscribe in the LocalCache for changes that arrive in the device
+    return user
+        .flow()
+        .zaps.stateFlow
+        .collectAsStateWithLifecycle()
+}
+
+@Composable
+fun observeUserZapAmount(user: User): State<BigDecimal> {
+    // Subscribe in the relay for changes in the metadata of this user.
+    UserFinderFilterAssemblerSubscription(user)
+
+    // Subscribe in the LocalCache for changes that arrive in the device
+    val flow =
+        remember(user) {
+            user
+                .flow()
+                .zaps.stateFlow
+                .sample(1000)
+                .mapLatest { userState ->
+                    userState.user.zappedAmount()
+                }.distinctUntilChanged()
+                .flowOn(Dispatchers.Default)
+        }
+
+    return flow.collectAsStateWithLifecycle(BigDecimal.ZERO)
+}
+
+@Composable
+fun observeUserReports(user: User): State<UserState?> {
+    // Subscribe in the relay for changes in the metadata of this user.
+    UserFinderFilterAssemblerSubscription(user)
+
+    // Subscribe in the LocalCache for changes that arrive in the device
+    return user
+        .flow()
+        .reports.stateFlow
+        .collectAsStateWithLifecycle()
+}
+
+@Composable
+fun observeUserReportCount(user: User): State<Int> {
+    // Subscribe in the relay for changes in the metadata of this user.
+    UserFinderFilterAssemblerSubscription(user)
+
+    // Subscribe in the LocalCache for changes that arrive in the device
+    val flow =
+        remember(user) {
+            user
+                .flow()
+                .reports
+                .stateFlow
+                .sample(1000)
+                .mapLatest { userState ->
+                    userState.user.reports.values
+                        .sumOf { it.size }
+                }.distinctUntilChanged()
+        }
+
+    return flow.collectAsStateWithLifecycle(0)
+}
+
+@Composable
+fun observeUserStatuses(user: User): State<ImmutableList<AddressableNote>> {
+    // Subscribe in the relay for changes in the metadata of this user.
+    UserFinderFilterAssemblerSubscription(user)
+
+    // Subscribe in the LocalCache for changes that arrive in the device
+    val flow =
+        remember(user) {
+            user
+                .flow()
+                .statuses
+                .stateFlow
+                .sample(1000)
+                .mapLatest { userState ->
+                    LocalCache.findStatusesForUser(userState.user)
+                }.distinctUntilChanged()
+                .flowOn(Dispatchers.Default)
+        }
+
+    return flow.collectAsStateWithLifecycle(persistentListOf())
+}
+
+@Composable
+fun observeUserRelayIntoList(
+    user: User,
+    relayUrl: String,
+): State<Boolean> {
+    // Subscribe in the relay for changes in the metadata of this user.
+    UserFinderFilterAssemblerSubscription(user)
+
+    // Subscribe in the LocalCache for changes that arrive in the device
+    val flow =
+        remember(user) {
+            user
+                .flow()
+                .relayInfo
+                .stateFlow
+                .sample(1000)
+                .mapLatest { userState ->
+                    userState.user.latestContactList
+                        ?.relays()
+                        ?.none { it.key == relayUrl } == true
+                }.distinctUntilChanged()
+                .flowOn(Dispatchers.Default)
+        }
+
+    return flow.collectAsStateWithLifecycle(false)
+}
+
+@Composable
+fun observeUserRoomSubject(
+    user: User,
+    room: ChatroomKey,
+): State<String?> {
+    // Subscribe in the relay for changes in the metadata of this user.
+    UserFinderFilterAssemblerSubscription(user)
+
+    // Subscribe in the LocalCache for changes that arrive in the device
+    val flow =
+        remember(user) {
+            user
+                .flow()
+                .messages
+                .stateFlow
+                .sample(1000)
+                .mapLatest { userState ->
+                    userState.user.privateChatrooms[room]?.subject
+                }.distinctUntilChanged()
+                .flowOn(Dispatchers.Default)
+        }
+
+    return flow.collectAsStateWithLifecycle(user.privateChatrooms[room]?.subject)
+}
+
+data class RelayUsage(
+    val relays: List<String> = emptyList(),
+    val userRelayList: List<String> = emptyList(),
+)
+
+@Composable
+fun observeUserRelaysUsing(user: User): State<RelayUsage> {
+    // Subscribe in the relay for changes in the metadata of this user.
+    UserFinderFilterAssemblerSubscription(user)
+
+    // Subscribe in the LocalCache for changes that arrive in the device
+    val flow =
+        remember(user) {
+            combine(user.flow().relays.stateFlow, user.flow().relayInfo.stateFlow) { relays, relayInfo ->
+                val userRelaysBeingUsed = relays.user.relaysBeingUsed.map { it.key }
+                val currentUserRelays =
+                    relayInfo.user.latestContactList
+                        ?.relays()
+                        ?.map { RelayUrlFormatter.normalize(it.key) } ?: emptyList()
+
+                RelayUsage(userRelaysBeingUsed, currentUserRelays)
+            }.sample(1000)
+                .distinctUntilChanged()
+                .flowOn(Dispatchers.Default)
+        }
+
+    return flow.collectAsStateWithLifecycle(RelayUsage())
 }

amethyst/src/main/java/com/vitorpamplona/amethyst/service/relayClient/searchCommand/MutableQueryBasedSubscriptionOrchestrator.kt

@@ -20,8 +20,6 @@
  */
 package com.vitorpamplona.amethyst.service.relayClient.searchCommand
 
-import android.util.Log
-import com.vitorpamplona.amethyst.isDebug
 import com.vitorpamplona.ammolite.relays.NostrClient
 import com.vitorpamplona.ammolite.relays.datasources.SubscriptionOrchestrator
 import kotlinx.coroutines.CoroutineScope
@@ -64,10 +62,6 @@ abstract class MutableQueryBasedSubscriptionOrchestrator<T : MutableQueryState>(
         }
 
         invalidateFilters()
-
-        if (isDebug) {
-            Log.d(this::class.simpleName, "Watch $query (${queries.size} queries)")
-        }
     }
 
     // This is called by main. Keep it really fast.
@@ -82,10 +76,6 @@ abstract class MutableQueryBasedSubscriptionOrchestrator<T : MutableQueryState>(
         if (queries.isEmpty()) {
             stop()
         }
-
-        if (isDebug) {
-            Log.d(this::class.simpleName, "Unwatch $query (${queries.size} queries)")
-        }
     }
 
     fun forEachSubscriber(action: (T) -> Unit) {

amethyst/src/main/java/com/vitorpamplona/amethyst/service/relayClient/searchCommand/SearchFilterAssembler.kt

@@ -67,7 +67,6 @@ import com.vitorpamplona.quartz.utils.Hex
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.MutableStateFlow
-import kotlin.collections.flatten
 
 @Stable
 class SearchQueryState(

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/actions/MediaSaverToDisk.kt

@@ -32,6 +32,7 @@ import androidx.annotation.RequiresApi
 import androidx.core.net.toFile
 import androidx.core.net.toUri
 import com.vitorpamplona.amethyst.BuildConfig
+import com.vitorpamplona.amethyst.ui.actions.MediaSaverToDisk.PICTURES_SUBDIRECTORY
 import kotlinx.coroutines.CancellationException
 import okhttp3.Call
 import okhttp3.Callback

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewUserMetadataViewModel.kt

@@ -26,7 +26,6 @@ import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.setValue
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
-import coil3.util.CoilUtils.result
 import com.vitorpamplona.amethyst.Amethyst
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.Account

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/components/ClickableUrl.kt

@@ -20,8 +20,6 @@
  */
 package com.vitorpamplona.amethyst.ui.components
 
-import android.R.attr.maxLines
-import android.R.attr.onClick
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.platform.LocalUriHandler
 import androidx.compose.ui.text.style.TextOverflow

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/components/ZoomableContentDialog.kt

@@ -50,7 +50,6 @@ import androidx.compose.material3.ButtonDefaults
 import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.OutlinedButton
-import androidx.compose.material3.OutlinedTextFieldDefaults.contentPadding
 import androidx.compose.material3.Surface
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/components/toasts/multiline/MultiUserErrorMessageDialog.kt

@@ -29,7 +29,6 @@ import androidx.compose.material3.Button
 import androidx.compose.material3.Icon
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.getValue
 import androidx.compose.ui.tooling.preview.Preview
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.LocalCache

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/components/util/DeviceUtils.kt

@@ -30,6 +30,7 @@ import androidx.compose.runtime.remember
 import androidx.window.core.layout.WindowHeightSizeClass
 import androidx.window.core.layout.WindowSizeClass
 import androidx.window.core.layout.WindowWidthSizeClass
+import com.vitorpamplona.amethyst.ui.components.util.DeviceUtils.screenOrientationIsLocked
 
 object DeviceUtils {
     /**

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/dal/DefaultFeedOrder.kt

@@ -22,22 +22,9 @@ package com.vitorpamplona.amethyst.ui.dal
 
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.notifications.Card
-import com.vitorpamplona.quartz.nip01Core.core.Event
 
 val DefaultFeedOrder: Comparator<Note> =
-    compareByDescending<Note>
-        {
-            val noteEvent = it.event
-            if (noteEvent == null) {
-                null
-            } else {
-                if (noteEvent is Event) {
-                    noteEvent.createdAt
-                } else {
-                    null
-                }
-            }
-        }.thenBy { it.idHex }
+    compareByDescending<Note> { it.event?.createdAt }.thenBy { it.idHex }
 
 val DefaultFeedOrderCard: Comparator<Card> =
     compareByDescending<Card> { it.createdAt() }.thenBy { it.id() }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/navigation/DrawerContent.kt

@@ -58,7 +58,6 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
@@ -91,6 +90,7 @@ import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.FeatureSetType
 import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.service.relayClient.reqCommand.event.observeNote
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserFollowerCount
 import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserInfo
 import com.vitorpamplona.amethyst.ui.actions.mediaServers.MediaServersListView
 import com.vitorpamplona.amethyst.ui.components.CreateTextWithEmoji
@@ -381,18 +381,12 @@ private fun FollowingAndFollowerCounts(
     baseAccountUser: Account,
     onClick: () -> Unit,
 ) {
-    val followingCount = baseAccountUser.liveKind3Follows.collectAsStateWithLifecycle()
-    var followerCount by remember { mutableStateOf("--") }
-
-    WatchFollower(baseAccountUser = baseAccountUser) { newFollower ->
-        if (followerCount != newFollower) {
-            followerCount = newFollower
-        }
-    }
-
     Row(
         modifier = drawerSpacing.clickable(onClick = onClick),
     ) {
+        val followingCount = baseAccountUser.liveKind3Follows.collectAsStateWithLifecycle()
+        val followerCount by observeUserFollowerCount(baseAccountUser.userProfile())
+
         Text(
             text =
                 followingCount.value.authors.size
@@ -405,7 +399,7 @@ private fun FollowingAndFollowerCounts(
         Spacer(modifier = DoubleHorzSpacer)
 
         Text(
-            text = followerCount,
+            text = if (followerCount > 0) followerCount.toString() else "--",
             fontWeight = FontWeight.Bold,
         )
 
@@ -413,22 +407,6 @@ private fun FollowingAndFollowerCounts(
     }
 }
 
-@Composable
-fun WatchFollower(
-    baseAccountUser: Account,
-    onReady: (String) -> Unit,
-) {
-    val accountUserFollowersState by baseAccountUser
-        .userProfile()
-        .live()
-        .followers
-        .observeAsState()
-
-    LaunchedEffect(key1 = accountUserFollowersState) {
-        onReady(baseAccountUser.followerCount().toString())
-    }
-}
-
 @Composable
 fun ListContent(
     modifier: Modifier,

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/navigation/Routes.kt

@@ -30,7 +30,6 @@ import com.vitorpamplona.amethyst.ui.theme.Size20dp
 import com.vitorpamplona.amethyst.ui.theme.Size23dp
 import com.vitorpamplona.quartz.nip01Core.core.HexKey
 import kotlinx.serialization.Serializable
-import kotlin.String
 
 class BottomBarRoute(
     val route: Route,

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/BlockReportChecker.kt

@@ -20,7 +20,6 @@
  */
 package com.vitorpamplona.amethyst.ui.note
 
-import android.R.attr.onClick
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
@@ -28,7 +27,6 @@ import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import com.vitorpamplona.amethyst.model.Note
-import com.vitorpamplona.amethyst.ui.navigation.EmptyNav.nav
 import com.vitorpamplona.amethyst.ui.navigation.INav
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/Icons.kt

@@ -40,8 +40,6 @@ import androidx.compose.material.icons.filled.PushPin
 import androidx.compose.material.icons.filled.Report
 import androidx.compose.material.icons.filled.Share
 import androidx.compose.material.icons.outlined.AddReaction
-import androidx.compose.material.icons.outlined.Bolt
-import androidx.compose.material.icons.outlined.OpenInNew
 import androidx.compose.material.icons.outlined.PlayCircle
 import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/Loaders.kt

@@ -23,7 +23,6 @@ package com.vitorpamplona.amethyst.ui.note
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
@@ -33,12 +32,11 @@ import com.vitorpamplona.amethyst.model.Channel
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.service.relayClient.reqCommand.event.observeNoteOts
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserStatuses
 import com.vitorpamplona.amethyst.ui.components.GenericLoadable
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
-import com.vitorpamplona.amethyst.ui.screen.loggedIn.notifications.equalImmutableLists
 import com.vitorpamplona.quartz.nip01Core.tags.addressables.Address
 import kotlinx.collections.immutable.ImmutableList
-import kotlinx.collections.immutable.persistentListOf
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
@@ -139,19 +137,9 @@ fun LoadStatuses(
     accountViewModel: AccountViewModel,
     content: @Composable (ImmutableList<AddressableNote>) -> Unit,
 ) {
-    var statuses: ImmutableList<AddressableNote> by remember { mutableStateOf(persistentListOf()) }
+    val userStatuses by observeUserStatuses(user)
 
-    val userStatus by user.live().statuses.observeAsState()
-
-    LaunchedEffect(key1 = userStatus) {
-        accountViewModel.findStatusesForUser(userStatus?.user ?: user) { newStatuses ->
-            if (!equalImmutableLists(statuses, newStatuses)) {
-                statuses = newStatuses
-            }
-        }
-    }
-
-    content(statuses)
+    content(userStatuses)
 }
 
 @Composable

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/NIP05VerificationDisplay.kt

@@ -54,11 +54,11 @@ import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.service.relayClient.reqCommand.event.EventFinderFilterAssemblerSubscription
 import com.vitorpamplona.amethyst.service.relayClient.reqCommand.event.observeNote
 import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserNip05
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserStatuses
 import com.vitorpamplona.amethyst.ui.actions.CrossfadeIfEnabled
 import com.vitorpamplona.amethyst.ui.navigation.INav
 import com.vitorpamplona.amethyst.ui.navigation.routeFor
 import com.vitorpamplona.amethyst.ui.note.LoadAddressableNote
-import com.vitorpamplona.amethyst.ui.note.LoadStatuses
 import com.vitorpamplona.amethyst.ui.note.NIP05CheckingIcon
 import com.vitorpamplona.amethyst.ui.note.NIP05FailedVerification
 import com.vitorpamplona.amethyst.ui.note.NIP05VerifiedIcon
@@ -136,12 +136,11 @@ fun ObserveDisplayNip05Status(
     nav: INav,
 ) {
     val nip05 by observeUserNip05(baseUser)
+    val statuses by observeUserStatuses(baseUser)
 
-    LoadStatuses(baseUser, accountViewModel) { statuses ->
     CrossfadeIfEnabled(
         targetState = nip05,
         modifier = columnModifier,
-            label = "ObserveDisplayNip05StatusCrossfade",
         accountViewModel = accountViewModel,
     ) {
         VerifyAndDisplayNIP05OrStatusLine(
@@ -153,7 +152,6 @@ fun ObserveDisplayNip05Status(
             nav,
         )
     }
-    }
 }
 
 @Composable

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/NoteCompose.kt

@@ -38,7 +38,6 @@ import androidx.compose.runtime.MutableState
 import androidx.compose.runtime.State
 import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
@@ -50,9 +49,6 @@ import androidx.compose.ui.graphics.compositeOver
 import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
-import androidx.lifecycle.distinctUntilChanged
-import androidx.lifecycle.map
-import com.vitorpamplona.amethyst.Amethyst
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.commons.compose.produceCachedStateAsync
 import com.vitorpamplona.amethyst.logTime
@@ -60,7 +56,7 @@ import com.vitorpamplona.amethyst.model.AddressableNote
 import com.vitorpamplona.amethyst.model.Channel
 import com.vitorpamplona.amethyst.model.FeatureSetType
 import com.vitorpamplona.amethyst.model.Note
-import com.vitorpamplona.amethyst.service.relayClient.reqCommand.channel.ChannelFinderFilterAssemblerSubscription
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.channel.observeChannelPicture
 import com.vitorpamplona.amethyst.service.relayClient.reqCommand.event.observeNoteEdits
 import com.vitorpamplona.amethyst.service.relayClient.reqCommand.event.observeNoteEvent
 import com.vitorpamplona.amethyst.ui.components.GenericLoadable
@@ -137,7 +133,6 @@ import com.vitorpamplona.amethyst.ui.theme.HalfStartPadding
 import com.vitorpamplona.amethyst.ui.theme.RowColSpacing10dp
 import com.vitorpamplona.amethyst.ui.theme.RowColSpacing5dp
 import com.vitorpamplona.amethyst.ui.theme.Size25dp
-import com.vitorpamplona.amethyst.ui.theme.Size30Modifier
 import com.vitorpamplona.amethyst.ui.theme.Size34dp
 import com.vitorpamplona.amethyst.ui.theme.Size55Modifier
 import com.vitorpamplona.amethyst.ui.theme.Size55dp
@@ -1195,15 +1190,8 @@ private fun ChannelNotePicture(
     loadProfilePicture: Boolean,
     loadRobohash: Boolean,
 ) {
-    ChannelFinderFilterAssemblerSubscription(baseChannel, Amethyst.instance.sources.channelFinder)
+    val model by observeChannelPicture(baseChannel)
 
-    val model by
-        baseChannel.live
-            .map { it.channel.profilePicture() }
-            .distinctUntilChanged()
-            .observeAsState()
-
-    Box(Size30Modifier) {
     RobohashFallbackAsyncImage(
         robot = baseChannel.idHex,
         model = model,
@@ -1212,7 +1200,6 @@ private fun ChannelNotePicture(
         loadProfilePicture = loadProfilePicture,
         loadRobohash = loadRobohash,
     )
-    }
 }
 
 @Composable

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/ReactionsRow.kt

@@ -93,8 +93,6 @@ import androidx.compose.ui.unit.sp
 import androidx.compose.ui.window.Popup
 import androidx.compose.ui.window.PopupProperties
 import androidx.core.content.ContextCompat
-import androidx.lifecycle.LiveData
-import androidx.lifecycle.MediatorLiveData
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.commons.emojicoder.EmojiCoder
@@ -405,28 +403,6 @@ private fun WatchReactionsZapsBoostsAndDisplayIfExists(
     }
 }
 
-fun <T, K, R> LiveData<T>.combineWith(
-    liveData1: LiveData<K>,
-    block: (T?, K?) -> R,
-): LiveData<R> {
-    val result = MediatorLiveData<R>()
-    result.addSource(this) { result.value = block(this.value, liveData1.value) }
-    result.addSource(liveData1) { result.value = block(this.value, liveData1.value) }
-    return result
-}
-
-fun <T, K, P, R> LiveData<T>.combineWith(
-    liveData1: LiveData<K>,
-    liveData2: LiveData<P>,
-    block: (T?, K?, P?) -> R,
-): LiveData<R> {
-    val result = MediatorLiveData<R>()
-    result.addSource(this) { result.value = block(this.value, liveData1.value, liveData2.value) }
-    result.addSource(liveData1) { result.value = block(this.value, liveData1.value, liveData2.value) }
-    result.addSource(liveData2) { result.value = block(this.value, liveData1.value, liveData2.value) }
-    return result
-}
-
 @Composable
 private fun RenderShowIndividualReactionsButton(
     wantsToSeeReactions: MutableState<Boolean>,

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/UpdateZapAmountDialog.kt

@@ -223,12 +223,10 @@ class UpdateZapAmountViewModel : ViewModel() {
 
     fun updateNIP47(uri: String) {
         val contact = Nip47WalletConnect.parse(uri)
-        if (contact != null) {
         walletConnectPubkey = TextFieldValue(contact.pubKeyHex)
-            walletConnectRelay = TextFieldValue(contact.relayUri ?: "")
+        walletConnectRelay = TextFieldValue(contact.relayUri)
         walletConnectSecret = TextFieldValue(contact.secret ?: "")
     }
-    }
 }
 
 @Composable

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/ZapNoteCompose.kt

@@ -30,7 +30,6 @@ import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
@@ -43,15 +42,16 @@ import androidx.compose.ui.unit.sp
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.model.User
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.account.observeAccountIsHiddenUser
 import com.vitorpamplona.amethyst.service.relayClient.reqCommand.event.observeNote
 import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserAboutMe
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserIsFollowing
 import com.vitorpamplona.amethyst.ui.navigation.INav
 import com.vitorpamplona.amethyst.ui.navigation.routeFor
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.profile.FollowButton
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.profile.UnfollowButton
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.profile.zaps.ShowUserButton
-import com.vitorpamplona.amethyst.ui.screen.loggedIn.profile.zaps.WatchIsHiddenUser
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.profile.zaps.ZapReqResponse
 import com.vitorpamplona.amethyst.ui.theme.BitcoinOrange
 import com.vitorpamplona.amethyst.ui.theme.Size55dp
@@ -161,13 +161,12 @@ fun UserActionOptions(
     baseAuthor: User,
     accountViewModel: AccountViewModel,
 ) {
-    WatchIsHiddenUser(baseAuthor, accountViewModel) { isHidden ->
+    val isHidden by observeAccountIsHiddenUser(accountViewModel.account, baseAuthor)
     if (isHidden) {
         ShowUserButton { accountViewModel.show(baseAuthor) }
     } else {
         ShowFollowingOrUnfollowingButton(baseAuthor, accountViewModel)
     }
-    }
 }
 
 @Composable
@@ -175,24 +174,9 @@ fun ShowFollowingOrUnfollowingButton(
     baseAuthor: User,
     accountViewModel: AccountViewModel,
 ) {
-    var isFollowing by remember { mutableStateOf(false) }
-    val accountFollowsState by accountViewModel.account
-        .userProfile()
-        .live()
-        .follows
-        .observeAsState()
+    var isFollowing = observeUserIsFollowing(accountViewModel.account.userProfile(), baseAuthor)
 
-    LaunchedEffect(key1 = accountFollowsState) {
-        launch(Dispatchers.Default) {
-            val newShowFollowingMark = accountFollowsState?.user?.isFollowing(baseAuthor) == true
-
-            if (newShowFollowingMark != isFollowing) {
-                isFollowing = newShowFollowingMark
-            }
-        }
-    }
-
-    if (isFollowing) {
+    if (isFollowing.value) {
         UnfollowButton {
             if (!accountViewModel.isWriteable()) {
                 accountViewModel.toastManager.toast(

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/creators/location/DisplayLocationObserver.kt

@@ -25,7 +25,6 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.sp

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/creators/messagefield/MessageField.kt

@@ -29,7 +29,6 @@ import androidx.compose.material3.Text
 import androidx.compose.material3.TextFieldDefaults
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.getValue
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.focus.FocusRequester

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/creators/zapraiser/AddZapraiserButton.kt

@@ -27,7 +27,6 @@ import androidx.compose.foundation.layout.width
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.ShowChart
 import androidx.compose.material.icons.filled.Bolt
-import androidx.compose.material.icons.filled.ShowChart
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
 import androidx.compose.material3.MaterialTheme

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/creators/zapsplits/SplitBuilder.kt

@@ -23,12 +23,7 @@ package com.vitorpamplona.amethyst.ui.note.creators.zapsplits
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.setValue
-import kotlin.collections.all
-import kotlin.collections.getOrNull
-import kotlin.collections.lastIndex
-import kotlin.compareTo
 import kotlin.math.abs
-import kotlin.text.toDouble
 
 class SplitBuilder<T> {
     var items: List<SplitItem<T>> by mutableStateOf(emptyList())

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/elements/DefaultImageHeader.kt

@@ -50,7 +50,7 @@ fun DefaultImageHeader(
 ) {
     WatchAuthor(baseNote = note) {
         Box {
-            BannerImage(it)
+            BannerImage(it, Modifier.fillMaxWidth().heightIn(max = 200.dp))
 
             Box(authorNotePictureForImageHeader.align(Alignment.BottomStart)) {
                 BaseUserPicture(it, Size55dp, accountViewModel, Modifier)
@@ -62,11 +62,19 @@ fun DefaultImageHeader(
 @Composable
 fun BannerImage(
     author: User,
-    imageModifier: Modifier = Modifier.fillMaxWidth().heightIn(max = 200.dp),
+    modifier: Modifier = Modifier,
 ) {
     val banner by observeUserBanner(author)
 
-    if (banner.isNotBlank()) {
+    BannerImage(banner, modifier)
+}
+
+@Composable
+fun BannerImage(
+    banner: String?,
+    modifier: Modifier = Modifier,
+) {
+    if (!banner.isNullOrBlank()) {
         AsyncImage(
             model = banner,
             contentDescription =
@@ -75,7 +83,7 @@ fun BannerImage(
                     banner,
                 ),
             contentScale = ContentScale.Crop,
-            modifier = imageModifier,
+            modifier = modifier,
             placeholder = painterResource(R.drawable.profile_banner),
         )
     } else {
@@ -83,7 +91,7 @@ fun BannerImage(
             painter = painterResource(R.drawable.profile_banner),
             contentDescription = stringRes(R.string.profile_banner),
             contentScale = ContentScale.Crop,
-            modifier = imageModifier,
+            modifier = modifier,
         )
     }
 }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/elements/DisplayCommunity.kt

@@ -20,7 +20,6 @@
  */
 package com.vitorpamplona.amethyst.ui.note.elements
 
-import android.R.attr.maxLines
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
 import androidx.compose.material3.LocalTextStyle

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/elements/DisplayHashtags.kt

@@ -20,7 +20,6 @@
  */
 package com.vitorpamplona.amethyst.ui.note.elements
 
-import android.R.attr.maxLines
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/elements/DropDownMenu.kt

@@ -30,7 +30,6 @@ import androidx.compose.runtime.Immutable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.State
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
@@ -42,6 +41,8 @@ import androidx.core.content.ContextCompat
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.Note
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserBookmarks
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserFollows
 import com.vitorpamplona.amethyst.ui.actions.EditPostView
 import com.vitorpamplona.amethyst.ui.components.ClickableBox
 import com.vitorpamplona.amethyst.ui.components.GenericLoadable
@@ -59,6 +60,7 @@ import com.vitorpamplona.quartz.nip10Notes.TextNoteEvent
 import com.vitorpamplona.quartz.nip36SensitiveContent.isSensitiveOrNSFW
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 
 @Composable
 fun MoreOptionsButton(
@@ -380,22 +382,12 @@ fun WatchBookmarksFollowsAndAccount(
     accountViewModel: AccountViewModel,
     onNew: (DropDownParams) -> Unit,
 ) {
-    val followState by accountViewModel
-        .userProfile()
-        .live()
-        .follows
-        .observeAsState()
-    val bookmarkState by accountViewModel
-        .userProfile()
-        .live()
-        .bookmarks
-        .observeAsState()
-    val showSensitiveContent by accountViewModel
-        .showSensitiveContent()
-        .collectAsStateWithLifecycle()
+    val followState by observeUserFollows(accountViewModel.userProfile())
+    val bookmarkState by observeUserBookmarks(accountViewModel.userProfile())
+    val showSensitiveContent by accountViewModel.showSensitiveContent().collectAsStateWithLifecycle()
 
     LaunchedEffect(key1 = followState, key2 = bookmarkState, key3 = showSensitiveContent) {
-        launch(Dispatchers.IO) {
+        withContext(Dispatchers.IO) {
             accountViewModel.isInPrivateBookmarks(note) {
                 val newState =
                     DropDownParams(

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/types/CommunityHeader.kt

@@ -212,9 +212,7 @@ fun LongCommunityHeader(
 
         if (participants != null) {
             accountViewModel.loadParticipants(participants) { newParticipantUsers ->
-                if (
-                    newParticipantUsers != null && !equalImmutableLists(newParticipantUsers, participantUsers)
-                ) {
+                if (!equalImmutableLists(newParticipantUsers, participantUsers)) {
                     participantUsers = newParticipantUsers
                 }
             }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/types/RelayList.kt

@@ -30,9 +30,7 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.MutableState
-import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
@@ -45,6 +43,7 @@ import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.Note
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserRelayIntoList
 import com.vitorpamplona.amethyst.ui.components.ShowMoreButton
 import com.vitorpamplona.amethyst.ui.navigation.INav
 import com.vitorpamplona.amethyst.ui.navigation.Route
@@ -279,21 +278,7 @@ private fun RelayOptionsAction(
     accountViewModel: AccountViewModel,
     nav: INav,
 ) {
-    val userStateRelayInfo by accountViewModel.account
-        .userProfile()
-        .live()
-        .relayInfo
-        .observeAsState()
-    val isCurrentlyOnTheUsersList by
-        remember(userStateRelayInfo) {
-            derivedStateOf {
-                userStateRelayInfo
-                    ?.user
-                    ?.latestContactList
-                    ?.relays()
-                    ?.none { it.key == relay } == true
-            }
-        }
+    val isCurrentlyOnTheUsersList by observeUserRelayIntoList(accountViewModel.userProfile(), relay)
 
     if (isCurrentlyOnTheUsersList) {
         AddRelayButton {

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/FeedViewModel.kt

@@ -22,8 +22,6 @@ package com.vitorpamplona.amethyst.ui.screen
 
 import android.util.Log
 import androidx.compose.runtime.Stable
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.setValue
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.vitorpamplona.amethyst.model.LocalCache

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/bookmarks/BookmarkListScreen.kt

@@ -33,10 +33,10 @@ import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.ui.layouts.DisappearingScaffold
@@ -67,7 +67,7 @@ fun BookmarkListScreen(
             factory = BookmarkPrivateFeedViewModel.Factory(accountViewModel.account),
         )
 
-    val userState by accountViewModel.account.decryptBookmarks.observeAsState()
+    val userState by accountViewModel.account.decryptBookmarks.collectAsStateWithLifecycle(null)
 
     LaunchedEffect(userState) {
         publicFeedViewModel.invalidateData()

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/privateDM/datasource/ChatroomFilterAssembler.kt

@@ -60,7 +60,6 @@ class ChatroomFilterAssembler(
         )
 
     fun createMessagesFromMeFilter(key: ChatroomQueryState): TypedFilter? =
-        if (key.room != null) {
         TypedFilter(
             types = setOf(FeedType.PRIVATE_DMS),
             filter =
@@ -75,9 +74,6 @@ class ChatroomFilterAssembler(
                             ?.relayList,
                 ),
         )
-        } else {
-            null
-        }
 
     fun clearEOSEs(account: Account) {
         latestEOSEs.removeDataFor(account.userProfile())

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/privateDM/header/RoomNameOnlyDisplay.kt

@@ -24,14 +24,12 @@ import androidx.compose.foundation.layout.Row
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextOverflow
-import androidx.lifecycle.distinctUntilChanged
-import androidx.lifecycle.map
 import com.vitorpamplona.amethyst.model.User
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserRoomSubject
 import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserShortName
 import com.vitorpamplona.amethyst.ui.actions.CrossfadeIfEnabled
 import com.vitorpamplona.amethyst.ui.components.CreateTextWithEmoji
@@ -49,14 +47,7 @@ fun RoomNameOnlyDisplay(
     fontWeight: FontWeight = FontWeight.Bold,
     accountViewModel: AccountViewModel,
 ) {
-    val roomSubject by
-        accountViewModel
-            .userProfile()
-            .live()
-            .messages
-            .map { it.user.privateChatrooms[room]?.subject }
-            .distinctUntilChanged()
-            .observeAsState(accountViewModel.userProfile().privateChatrooms[room]?.subject)
+    val roomSubject by observeUserRoomSubject(accountViewModel.userProfile(), room)
 
     CrossfadeIfEnabled(targetState = roomSubject, modifier, accountViewModel = accountViewModel) {
         if (!it.isNullOrBlank()) {
@@ -107,16 +98,9 @@ fun RoomNameDisplay(
     modifier: Modifier,
     accountViewModel: AccountViewModel,
 ) {
-    val roomSubject by
-        accountViewModel
-            .userProfile()
-            .live()
-            .messages
-            .map { it.user.privateChatrooms[room]?.subject }
-            .distinctUntilChanged()
-            .observeAsState(accountViewModel.userProfile().privateChatrooms[room]?.subject)
+    val roomSubject by observeUserRoomSubject(accountViewModel.userProfile(), room)
 
-    CrossfadeIfEnabled(targetState = roomSubject, modifier, label = "RoomNameDisplay", accountViewModel = accountViewModel) {
+    CrossfadeIfEnabled(targetState = roomSubject, modifier, accountViewModel = accountViewModel) {
         if (!it.isNullOrBlank()) {
             if (room.users.size > 1) {
                 DisplayRoomSubject(it)

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/privateDM/send/PrivateMessageEditFieldRow.kt

@@ -28,7 +28,6 @@ import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.material3.TextFieldDefaults
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.getValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/privateDM/send/upload/ChatFileUploader.kt

@@ -21,8 +21,6 @@
 package com.vitorpamplona.amethyst.ui.screen.loggedIn.chats.privateDM.send.upload
 
 import android.content.Context
-import androidx.core.app.PendingIntentCompat.send
-import coil3.util.CoilUtils.result
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.service.uploads.MediaCompressor

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/publicChannels/nip28PublicChat/header/LongPublicChatChannelHeader.kt

@@ -32,7 +32,6 @@ import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
@@ -41,12 +40,11 @@ import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
-import androidx.lifecycle.distinctUntilChanged
-import androidx.lifecycle.map
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.FeatureSetType
 import com.vitorpamplona.amethyst.model.PublicChatChannel
 import com.vitorpamplona.amethyst.service.relayClient.reqCommand.channel.observeChannel
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserIsFollowingChannel
 import com.vitorpamplona.amethyst.ui.components.CreateTextWithEmoji
 import com.vitorpamplona.amethyst.ui.components.LoadNote
 import com.vitorpamplona.amethyst.ui.components.RobohashFallbackAsyncImage
@@ -67,7 +65,6 @@ import com.vitorpamplona.amethyst.ui.theme.DoubleHorzSpacer
 import com.vitorpamplona.amethyst.ui.theme.Size25dp
 import com.vitorpamplona.amethyst.ui.theme.StdVertSpacer
 import com.vitorpamplona.amethyst.ui.theme.largeProfilePictureModifier
-import com.vitorpamplona.quartz.nip01Core.tags.events.isTaggedEvent
 
 @Composable
 fun LongPublicChatChannelHeader(
@@ -181,44 +178,42 @@ fun LongChannelActionOptions(
     accountViewModel: AccountViewModel,
     nav: INav,
 ) {
-    val isMe by
-        remember(accountViewModel) {
-            derivedStateOf { channel.creator == accountViewModel.account.userProfile() }
-        }
-
     OpenChatButton(channel, accountViewModel, nav)
 
     LinkChatButton(channel, accountViewModel, nav)
 
     ShareChatButton(channel, accountViewModel, nav)
 
-    if (isMe) {
-        EditButton(channel, accountViewModel, nav)
+    EditButtonIfIamCreator(channel, accountViewModel, nav)
+
+    LeaveButtonIfFollowing(channel, accountViewModel, nav)
+}
+
+@Composable
+fun EditButtonIfIamCreator(
+    channel: PublicChatChannel,
+    accountViewModel: AccountViewModel,
+    nav: INav,
+) {
+    val isMe by
+        remember(accountViewModel) {
+            derivedStateOf { channel.creator == accountViewModel.account.userProfile() }
         }
 
-    WatchChannelFollows(channel, accountViewModel) { isFollowing ->
-        if (isFollowing) {
-            LeaveChatButton(channel, accountViewModel, nav)
-        }
+    if (isMe) {
+        EditButton(channel, accountViewModel, nav)
     }
 }
 
 @Composable
-fun WatchChannelFollows(
+fun LeaveButtonIfFollowing(
     channel: PublicChatChannel,
     accountViewModel: AccountViewModel,
-    content: @Composable (Boolean) -> Unit,
+    nav: INav,
 ) {
-    val isFollowing by
-        accountViewModel
-            .userProfile()
-            .live()
-            .follows
-            .map { it.user.latestContactList?.isTaggedEvent(channel.idHex) ?: false }
-            .distinctUntilChanged()
-            .observeAsState(
-                accountViewModel.userProfile().latestContactList?.isTaggedEvent(channel.idHex) ?: false,
-            )
+    val isFollowing by observeUserIsFollowingChannel(accountViewModel.userProfile(), channel)
 
-    content(isFollowing)
+    if (isFollowing) {
+        LeaveChatButton(channel, accountViewModel, nav)
+    }
 }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/publicChannels/nip28PublicChat/header/PublicChatTopBar.kt

@@ -22,7 +22,6 @@ package com.vitorpamplona.amethyst.ui.screen.loggedIn.chats.publicChannels.nip28
 
 import androidx.compose.runtime.Composable
 import com.vitorpamplona.amethyst.model.PublicChatChannel
-import com.vitorpamplona.amethyst.ui.navigation.EmptyNav.popBack
 import com.vitorpamplona.amethyst.ui.navigation.INav
 import com.vitorpamplona.amethyst.ui.navigation.TopBarExtensibleWithBackButton
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/publicChannels/nip28PublicChat/header/ShortPublicChatChannelHeader.kt

@@ -40,6 +40,7 @@ import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.FeatureSetType
 import com.vitorpamplona.amethyst.model.PublicChatChannel
 import com.vitorpamplona.amethyst.service.relayClient.reqCommand.channel.observeChannel
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserIsFollowingChannel
 import com.vitorpamplona.amethyst.ui.components.LoadNote
 import com.vitorpamplona.amethyst.ui.components.RobohashFallbackAsyncImage
 import com.vitorpamplona.amethyst.ui.navigation.INav
@@ -129,9 +130,18 @@ fun ShortChannelActionOptions(
         }
     }
 
-    WatchChannelFollows(channel, accountViewModel) { isFollowing ->
+    JoinChatButtonIfNotAlreadyJoined(channel, accountViewModel, nav)
+}
+
+@Composable
+fun JoinChatButtonIfNotAlreadyJoined(
+    channel: PublicChatChannel,
+    accountViewModel: AccountViewModel,
+    nav: INav,
+) {
+    val isFollowing by observeUserIsFollowingChannel(accountViewModel.userProfile(), channel)
+
     if (!isFollowing) {
         JoinChatButton(channel, accountViewModel, nav)
     }
-    }
 }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/publicChannels/nip28PublicChat/header/actions/EditChatButton.kt

@@ -27,13 +27,10 @@ import androidx.compose.material.icons.filled.EditNote
 import androidx.compose.material3.FilledTonalButton
 import androidx.compose.material3.Icon
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.PublicChatChannel
-import com.vitorpamplona.amethyst.ui.navigation.EmptyNav.nav
 import com.vitorpamplona.amethyst.ui.navigation.INav
 import com.vitorpamplona.amethyst.ui.navigation.Route
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/publicChannels/nip28PublicChat/header/actions/OpenChatButton.kt

@@ -25,7 +25,6 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.width
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.OpenInNew
-import androidx.compose.material.icons.filled.OpenInNew
 import androidx.compose.material3.FilledTonalButton
 import androidx.compose.material3.Icon
 import androidx.compose.runtime.Composable

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/publicChannels/nip28PublicChat/header/actions/ShareChatButton.kt

@@ -28,8 +28,6 @@ import androidx.compose.material.icons.filled.Share
 import androidx.compose.material3.FilledTonalButton
 import androidx.compose.material3.Icon
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.unit.dp

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/publicChannels/nip28PublicChat/metadata/ChannelMetadataViewModel.kt

@@ -51,9 +51,6 @@ import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
-import kotlin.collections.isNotEmpty
-import kotlin.collections.map
-import kotlin.collections.plus
 import kotlin.coroutines.cancellation.CancellationException
 
 class ChannelMetadataViewModel : ViewModel() {

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/publicChannels/nip53LiveActivities/ShowVideoStreaming.kt

@@ -24,15 +24,12 @@ import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Row
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.layout.ContentScale
-import androidx.lifecycle.distinctUntilChanged
-import androidx.lifecycle.map
 import com.vitorpamplona.amethyst.commons.richtext.MediaUrlVideo
 import com.vitorpamplona.amethyst.model.LiveActivitiesChannel
-import com.vitorpamplona.amethyst.service.relayClient.reqCommand.channel.ChannelFinderFilterAssemblerSubscription
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.channel.observeChannelInfo
 import com.vitorpamplona.amethyst.ui.components.SensitivityWarning
 import com.vitorpamplona.amethyst.ui.components.ZoomableContentView
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
@@ -45,47 +42,48 @@ fun ShowVideoStreaming(
     accountViewModel: AccountViewModel,
 ) {
     baseChannel.info?.let {
-        SensitivityWarning(
-            event = it,
-            accountViewModel = accountViewModel,
-        ) {
-            ChannelFinderFilterAssemblerSubscription(baseChannel, accountViewModel.dataSources().channelFinder)
-            val streamingInfoEvent by
-                baseChannel.live
-                    .map {
-                        (it.channel as? LiveActivitiesChannel)?.info
-                    }.distinctUntilChanged()
-                    .observeAsState(baseChannel.info)
-
+        val streamingInfoEvent by observeChannelInfo(baseChannel)
         streamingInfoEvent?.let { event ->
             event.streaming()?.let { url ->
-                    CrossfadeCheckIfVideoIsOnline(url, accountViewModel) {
-                        Row(
-                            verticalAlignment = Alignment.CenterVertically,
-                            horizontalArrangement = Arrangement.Center,
-                            modifier = StreamingHeaderModifier,
-                        ) {
                 val zoomableUrlVideo =
                     remember(streamingInfoEvent) {
                         MediaUrlVideo(
                             url = url,
-                                        description = baseChannel.toBestDisplayName(),
+                            description = event.title() ?: baseChannel.toBestDisplayName(),
                             artworkUri = event.image(),
                             authorName = baseChannel.creatorName(),
                             uri = baseChannel.toNAddr(),
                         )
                     }
 
+                SensitivityWarning(
+                    event = event,
+                    accountViewModel = accountViewModel,
+                ) {
+                    RenderStreaming(zoomableUrlVideo, accountViewModel)
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun RenderStreaming(
+    media: MediaUrlVideo,
+    accountViewModel: AccountViewModel,
+) {
+    CrossfadeCheckIfVideoIsOnline(media.url, accountViewModel) {
+        Row(
+            verticalAlignment = Alignment.CenterVertically,
+            horizontalArrangement = Arrangement.Center,
+            modifier = StreamingHeaderModifier,
+        ) {
             ZoomableContentView(
-                                content = zoomableUrlVideo,
+                content = media,
                 roundedCorner = false,
                 contentScale = ContentScale.FillWidth,
                 accountViewModel = accountViewModel,
             )
         }
     }
-                }
-            }
-        }
-    }
 }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/rooms/ChannelFabColumn.kt

@@ -48,7 +48,6 @@ import androidx.compose.ui.graphics.graphicsLayer
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import com.vitorpamplona.amethyst.R
-import com.vitorpamplona.amethyst.ui.navigation.EmptyNav.nav
 import com.vitorpamplona.amethyst.ui.navigation.INav
 import com.vitorpamplona.amethyst.ui.navigation.Route
 import com.vitorpamplona.amethyst.ui.navigation.Route.NewGroupDM

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/rooms/ChatroomHeaderCompose.kt

@@ -71,7 +71,6 @@ import com.vitorpamplona.amethyst.ui.note.LoadChannel
 import com.vitorpamplona.amethyst.ui.note.LoadDecryptedContentOrNull
 import com.vitorpamplona.amethyst.ui.note.NonClickableUserPictures
 import com.vitorpamplona.amethyst.ui.note.ObserveDraftEvent
-import com.vitorpamplona.amethyst.ui.note.elements.TimeAgo
 import com.vitorpamplona.amethyst.ui.note.externalLinkForNote
 import com.vitorpamplona.amethyst.ui.note.timeAgo
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/rooms/dal/ChatroomListKnownFeedFilter.kt

@@ -30,7 +30,6 @@ import com.vitorpamplona.quartz.nip01Core.tags.events.taggedEventIds
 import com.vitorpamplona.quartz.nip17Dm.base.ChatroomKey
 import com.vitorpamplona.quartz.nip17Dm.base.ChatroomKeyable
 import com.vitorpamplona.quartz.nip28PublicChat.message.ChannelMessageEvent
-import kotlin.collections.get
 
 class ChatroomListKnownFeedFilter(
     val account: Account,

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/rooms/dal/ChatroomListNewFeedFilter.kt

@@ -28,7 +28,6 @@ import com.vitorpamplona.amethyst.ui.dal.DefaultFeedOrder
 import com.vitorpamplona.quartz.nip04Dm.messages.PrivateDmEvent
 import com.vitorpamplona.quartz.nip17Dm.base.ChatroomKey
 import com.vitorpamplona.quartz.nip17Dm.base.ChatroomKeyable
-import kotlin.collections.get
 
 class ChatroomListNewFeedFilter(
     val account: Account,

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/rooms/twopane/TwoPaneNav.kt

@@ -22,7 +22,6 @@ package com.vitorpamplona.amethyst.ui.screen.loggedIn.chats.rooms.twopane
 
 import androidx.compose.material3.DrawerState
 import androidx.compose.runtime.mutableStateOf
-import com.vitorpamplona.amethyst.ui.navigation.EmptyNav.nav
 import com.vitorpamplona.amethyst.ui.navigation.INav
 import com.vitorpamplona.amethyst.ui.navigation.Route
 import kotlinx.coroutines.CoroutineScope

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/communities/datasource/CommunityFilterAssembler.kt

@@ -28,7 +28,6 @@ import com.vitorpamplona.ammolite.relays.TypedFilter
 import com.vitorpamplona.ammolite.relays.filters.SincePerRelayFilter
 import com.vitorpamplona.quartz.nip72ModCommunities.approval.CommunityPostApprovalEvent
 import com.vitorpamplona.quartz.nip72ModCommunities.definition.CommunityDefinitionEvent
-import kotlin.collections.ifEmpty
 
 // This allows multiple screen to be listening to tags, even the same tag
 class CommunityQueryState(

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/discover/datasource/DiscoveryFilterAssembler.kt

@@ -43,7 +43,6 @@ import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.launch
-import kotlin.collections.flatten
 
 // This allows multiple screen to be listening to tags, even the same tag
 class DiscoveryQueryState(

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/geohash/GeoHashScreen.kt

@@ -24,14 +24,12 @@ import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.padding
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
-import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.text.font.FontWeight
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.vitorpamplona.amethyst.R
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserIsFollowingGeohash
 import com.vitorpamplona.amethyst.ui.feeds.WatchLifecycleAndUpdateModel
 import com.vitorpamplona.amethyst.ui.layouts.DisappearingScaffold
 import com.vitorpamplona.amethyst.ui.navigation.INav
@@ -123,15 +121,7 @@ fun GeoHashActionOptions(
     tag: String,
     accountViewModel: AccountViewModel,
 ) {
-    val userState by accountViewModel
-        .userProfile()
-        .live()
-        .follows
-        .observeAsState()
-    val isFollowingTag by
-        remember(userState, tag) {
-            derivedStateOf { userState?.user?.isFollowingGeohash(tag) ?: false }
-        }
+    val isFollowingTag by observeUserIsFollowingGeohash(accountViewModel.userProfile(), tag)
 
     if (isFollowingTag) {
         UnfollowButton {

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/hashtag/HashtagScreen.kt

@@ -28,15 +28,13 @@ import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
-import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.text.font.FontWeight
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.vitorpamplona.amethyst.R
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserIsFollowingHashtag
 import com.vitorpamplona.amethyst.ui.feeds.WatchLifecycleAndUpdateModel
 import com.vitorpamplona.amethyst.ui.layouts.DisappearingScaffold
 import com.vitorpamplona.amethyst.ui.navigation.INav
@@ -140,15 +138,7 @@ fun HashtagActionOptions(
     tag: String,
     accountViewModel: AccountViewModel,
 ) {
-    val userState by accountViewModel
-        .userProfile()
-        .live()
-        .follows
-        .observeAsState()
-    val isFollowingTag by
-        remember(userState, tag) {
-            derivedStateOf { userState?.user?.isFollowingHashtag(tag) ?: false }
-        }
+    val isFollowingTag by observeUserIsFollowingHashtag(accountViewModel.userProfile(), tag)
 
     if (isFollowingTag) {
         UnfollowButton {

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/hashtag/datasource/HashtagFilterAssembler.kt

@@ -37,7 +37,6 @@ import com.vitorpamplona.quartz.nip53LiveActivities.chat.LiveActivitiesChatMessa
 import com.vitorpamplona.quartz.nip54Wiki.WikiNoteEvent
 import com.vitorpamplona.quartz.nip84Highlights.HighlightEvent
 import com.vitorpamplona.quartz.nip99Classifieds.ClassifiedsEvent
-import kotlin.collections.flatten
 
 // This allows multiple screen to be listening to tags, even the same tag
 class HashtagQueryState(

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/home/datasource/HomeFilterAssembler.kt

@@ -52,7 +52,6 @@ import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.launch
-import kotlin.collections.flatten
 
 // This allows multiple screen to be listening to tags, even the same tag
 class HomeQueryState(

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/ProfileScreen.kt

@@ -43,7 +43,6 @@ import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
@@ -58,11 +57,11 @@ import androidx.compose.ui.layout.onSizeChanged
 import androidx.compose.ui.platform.LocalDensity
 import androidx.compose.ui.unit.IntSize
 import androidx.compose.ui.unit.dp
-import androidx.lifecycle.map
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.User
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.account.observeAccountIsHiddenUser
 import com.vitorpamplona.amethyst.ui.feeds.WatchLifecycleAndUpdateModel
 import com.vitorpamplona.amethyst.ui.navigation.INav
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
@@ -400,7 +399,10 @@ private fun RenderScreen(
             modifier = tabRowModifier,
             divider = { HorizontalDivider(thickness = DividerThickness) },
         ) {
-            CreateAndRenderTabs(baseUser, pagerState)
+            CreateAndRenderTabs(
+                baseUser,
+                pagerState,
+            )
         }
         HorizontalPager(
             state = pagerState,
@@ -470,11 +472,7 @@ fun UpdateThreadsAndRepliesWhenBlockUnblock(
     repliesViewModel: UserProfileConversationsFeedViewModel,
     accountViewModel: AccountViewModel,
 ) {
-    val isHidden by
-        accountViewModel.account.liveHiddenUsers
-            .map {
-                it.hiddenUsers.contains(baseUser.pubkeyHex) || it.spammers.contains(baseUser.pubkeyHex)
-            }.observeAsState(accountViewModel.account.isHidden(baseUser))
+    val isHidden by observeAccountIsHiddenUser(accountViewModel.account, baseUser)
 
     LaunchedEffect(key1 = isHidden) {
         threadsViewModel.invalidateData()

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/bookmarks/BookmarkTabHeader.kt

@@ -22,33 +22,15 @@ package com.vitorpamplona.amethyst.ui.screen.loggedIn.profile.bookmarks
 
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
-import androidx.compose.runtime.mutableIntStateOf
-import androidx.compose.runtime.remember
-import androidx.compose.runtime.setValue
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.User
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserBookmarkCount
 import com.vitorpamplona.amethyst.ui.stringRes
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.launch
 
 @Composable
 fun BookmarkTabHeader(baseUser: User) {
-    val userState by baseUser.live().bookmarks.observeAsState()
-
-    var userBookmarks by remember { mutableIntStateOf(0) }
-
-    LaunchedEffect(key1 = userState) {
-        launch(Dispatchers.IO) {
-            val newBookmarks = userState?.user?.latestBookmarkList?.countBookmarks() ?: 0
-
-            if (newBookmarks != userBookmarks) {
-                userBookmarks = newBookmarks
-            }
-        }
-    }
+    val userBookmarks by observeUserBookmarkCount(baseUser)
 
     Text(text = "$userBookmarks ${stringRes(R.string.bookmarks)}")
 }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/datasource/UserProfileFilterAssembler.kt

@@ -52,7 +52,6 @@ import com.vitorpamplona.quartz.nip71Video.VideoHorizontalEvent
 import com.vitorpamplona.quartz.nip71Video.VideoVerticalEvent
 import com.vitorpamplona.quartz.nip84Highlights.HighlightEvent
 import com.vitorpamplona.quartz.nip89AppHandlers.recommendation.AppRecommendationEvent
-import kotlin.collections.flatten
 
 // This allows multiple screen to be listening to tags, even the same tag
 class UserProfileQueryState(

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/followers/FollowersTabHeader.kt

@@ -22,34 +22,22 @@ package com.vitorpamplona.amethyst.ui.screen.loggedIn.profile.followers
 
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
-import androidx.compose.runtime.setValue
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.User
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserFollowerCount
 import com.vitorpamplona.amethyst.ui.stringRes
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.launch
 
 @Composable
 fun FollowersTabHeader(baseUser: User) {
-    val userState by baseUser.live().followers.observeAsState()
-    var followerCount by remember { mutableStateOf("--") }
+    val followerCount by observeUserFollowerCount(baseUser)
 
-    val text = stringRes(R.string.followers)
-
-    LaunchedEffect(key1 = userState) {
-        launch(Dispatchers.IO) {
-            val newFollower = (userState?.user?.transientFollowerCount()?.toString() ?: "--") + " " + text
-
-            if (followerCount != newFollower) {
-                followerCount = newFollower
-            }
-        }
+    val text =
+        if (followerCount > 0) {
+            stringRes(R.string.number_followers, followerCount)
+        } else {
+            stringRes(R.string.number_followers, "--")
         }
 
-    Text(text = followerCount)
+    Text(text = text)
 }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/followers/TabFollowers.kt

@@ -25,9 +25,9 @@ import androidx.compose.foundation.layout.fillMaxHeight
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.ui.Modifier
 import com.vitorpamplona.amethyst.model.User
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserFollowers
 import com.vitorpamplona.amethyst.ui.navigation.INav
 import com.vitorpamplona.amethyst.ui.screen.RefreshingFeedUserFeedView
 import com.vitorpamplona.amethyst.ui.screen.UserFeedViewModel
@@ -52,7 +52,7 @@ private fun WatchFollowerChanges(
     baseUser: User,
     feedViewModel: UserFeedViewModel,
 ) {
-    val userState by baseUser.live().followers.observeAsState()
+    val userState by observeUserFollowers(baseUser)
 
     LaunchedEffect(userState) { feedViewModel.invalidateData() }
 }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/follows/FollowTabHeader.kt

@@ -22,34 +22,22 @@ package com.vitorpamplona.amethyst.ui.screen.loggedIn.profile.follows
 
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
-import androidx.compose.runtime.setValue
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.User
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserFollowCount
 import com.vitorpamplona.amethyst.ui.stringRes
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.launch
 
 @Composable
 fun FollowTabHeader(baseUser: User) {
-    val userState by baseUser.live().follows.observeAsState()
-    var followCount by remember { mutableStateOf("--") }
+    val followCount by observeUserFollowCount(baseUser)
 
-    val text = stringRes(R.string.follows)
-
-    LaunchedEffect(key1 = userState) {
-        launch(Dispatchers.IO) {
-            val newFollow = (userState?.user?.transientFollowCount()?.toString() ?: "--") + " " + text
-
-            if (followCount != newFollow) {
-                followCount = newFollow
-            }
-        }
+    val text =
+        if (followCount > 0) {
+            stringRes(R.string.number_following, followCount)
+        } else {
+            stringRes(R.string.number_following, "--")
         }
 
-    Text(text = followCount)
+    Text(text = text)
 }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/follows/TabFollows.kt

@@ -25,9 +25,9 @@ import androidx.compose.foundation.layout.fillMaxHeight
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.ui.Modifier
 import com.vitorpamplona.amethyst.model.User
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserFollows
 import com.vitorpamplona.amethyst.ui.navigation.INav
 import com.vitorpamplona.amethyst.ui.screen.RefreshingFeedUserFeedView
 import com.vitorpamplona.amethyst.ui.screen.UserFeedViewModel
@@ -52,7 +52,7 @@ private fun WatchFollowChanges(
     baseUser: User,
     feedViewModel: UserFeedViewModel,
 ) {
-    val userState by baseUser.live().follows.observeAsState()
+    val userState by observeUserFollows(baseUser)
 
     LaunchedEffect(userState) { feedViewModel.invalidateData() }
 }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/gallery/ProfileGalleryFeed.kt

@@ -33,7 +33,6 @@ import androidx.compose.runtime.getValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
-import androidx.lifecycle.viewmodel.compose.viewModel
 import com.vitorpamplona.amethyst.ui.actions.CrossfadeIfEnabled
 import com.vitorpamplona.amethyst.ui.feeds.FeedEmpty
 import com.vitorpamplona.amethyst.ui.feeds.FeedError

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/hashtags/FollowedTagsTabHeader.kt

@@ -22,23 +22,15 @@ package com.vitorpamplona.amethyst.ui.screen.loggedIn.profile.hashtags
 
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
-import androidx.compose.runtime.remember
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.User
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserTagFollows
 import com.vitorpamplona.amethyst.ui.stringRes
 
 @Composable
 fun FollowedTagsTabHeader(baseUser: User) {
-    val userState by baseUser.live().follows.observeAsState()
-
-    val usertags by remember(baseUser) {
-        derivedStateOf {
-            userState?.user?.latestContactList?.countFollowTags() ?: 0
-        }
-    }
+    val usertags by observeUserTagFollows(baseUser)
 
     Text(text = "$usertags ${stringRes(R.string.followed_tags)}")
 }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/header/DisplayFollowUnfollowButton.kt

@@ -22,11 +22,9 @@ package com.vitorpamplona.amethyst.ui.screen.loggedIn.profile.header
 
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
-import androidx.lifecycle.distinctUntilChanged
-import androidx.lifecycle.map
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.User
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserIsFollowing
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.profile.FollowButton
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.profile.UnfollowButton
@@ -36,22 +34,8 @@ fun DisplayFollowUnfollowButton(
     baseUser: User,
     accountViewModel: AccountViewModel,
 ) {
-    val isLoggedInFollowingUser by
-        accountViewModel.account
-            .userProfile()
-            .live()
-            .follows
-            .map { it.user.isFollowing(baseUser) }
-            .distinctUntilChanged()
-            .observeAsState(initial = accountViewModel.account.isFollowing(baseUser))
-
-    val isUserFollowingLoggedIn by
-        baseUser
-            .live()
-            .follows
-            .map { it.user.isFollowing(accountViewModel.account.userProfile()) }
-            .distinctUntilChanged()
-            .observeAsState(initial = baseUser.isFollowing(accountViewModel.account.userProfile()))
+    val isLoggedInFollowingUser by observeUserIsFollowing(accountViewModel.account.userProfile(), baseUser)
+    val isUserFollowingLoggedIn by observeUserIsFollowing(baseUser, accountViewModel.account.userProfile())
 
     if (isLoggedInFollowingUser) {
         UnfollowButton {

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/header/DrawBanner.kt

@@ -53,10 +53,19 @@ fun DrawBanner(
 ) {
     val banner by observeUserBanner(baseUser)
 
+    DrawBanner(banner, accountViewModel)
+}
+
+@OptIn(ExperimentalFoundationApi::class)
+@Composable
+fun DrawBanner(
+    banner: String?,
+    accountViewModel: AccountViewModel,
+) {
+    if (!banner.isNullOrBlank()) {
         val clipboardManager = LocalClipboardManager.current
         var zoomImageDialogOpen by remember { mutableStateOf(false) }
 
-    if (banner.isNotBlank()) {
         AsyncImage(
             model = banner,
             contentDescription = stringRes(id = R.string.profile_image),

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/header/ProfileActions.kt

@@ -25,10 +25,10 @@ import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.remember
 import com.vitorpamplona.amethyst.model.User
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.account.observeAccountIsHiddenUser
 import com.vitorpamplona.amethyst.ui.navigation.INav
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.profile.zaps.ShowUserButton
-import com.vitorpamplona.amethyst.ui.screen.loggedIn.profile.zaps.WatchIsHiddenUser
 
 @Composable
 fun ProfileActions(
@@ -43,11 +43,11 @@ fun ProfileActions(
         EditButton(nav)
     }
 
-    WatchIsHiddenUser(baseUser, accountViewModel) { isHidden ->
+    val isHidden by observeAccountIsHiddenUser(accountViewModel.account, baseUser)
+
     if (isHidden) {
         ShowUserButton { accountViewModel.showUser(baseUser.pubkeyHex) }
     } else {
         DisplayFollowUnfollowButton(baseUser, accountViewModel)
     }
-    }
 }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/relays/RelayFeedViewModel.kt

@@ -28,13 +28,16 @@ import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.vitorpamplona.amethyst.model.RelayInfo
 import com.vitorpamplona.amethyst.model.User
-import com.vitorpamplona.amethyst.model.UserState
 import com.vitorpamplona.amethyst.ui.feeds.InvalidatableContent
 import com.vitorpamplona.ammolite.relays.BundledUpdate
+import com.vitorpamplona.quartz.nip02FollowList.ReadWrite
 import com.vitorpamplona.quartz.nip65RelayList.RelayUrlFormatter
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.debounce
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
 
@@ -51,55 +54,72 @@ class RelayFeedViewModel :
     val feedContent = _feedContent.asStateFlow()
 
     var currentUser: User? = null
+    var currentJob: Job? = null
 
     override val isRefreshing: MutableState<Boolean> = mutableStateOf(false)
 
     fun refresh() {
-        viewModelScope.launch(Dispatchers.Default) { refreshSuspended() }
+        viewModelScope.launch(Dispatchers.Default) {
+            refreshSuspended()
+        }
     }
 
     fun refreshSuspended() {
         try {
             isRefreshing.value = true
 
-            val beingUsed = currentUser?.relaysBeingUsed?.values ?: emptyList()
-            val beingUsedSet = currentUser?.relaysBeingUsed?.keys ?: emptySet()
-
-            val newRelaysFromRecord =
-                currentUser?.latestContactList?.relays()?.entries?.mapNotNullTo(HashSet()) {
-                    val url = RelayUrlFormatter.normalize(it.key)
-                    if (url !in beingUsedSet) {
-                        RelayInfo(url, 0, 0)
-                    } else {
-                        null
-                    }
-                }
-                    ?: emptyList()
-
-            val newList = (beingUsed + newRelaysFromRecord).sortedWith(order)
-
+            currentUser?.let {
+                val newList = mergeRelays(it.relaysBeingUsed, it.latestContactList?.relays())
                 _feedContent.update { newList }
+            }
         } finally {
             isRefreshing.value = false
         }
     }
 
-    val listener: (UserState) -> Unit = { invalidateData() }
+    fun mergeRelays(
+        relaysBeingUsed: Map<String, RelayInfo>,
+        relays: Map<String, ReadWrite>?,
+    ): List<RelayInfo> {
+        val userRelaysBeingUsed = relaysBeingUsed.map { it.value }
+
+        val currentUserRelays =
+            relays?.mapNotNull {
+                val url = RelayUrlFormatter.normalize(it.key)
+                if (url !in relaysBeingUsed) {
+                    RelayInfo(url, 0, 0)
+                } else {
+                    null
+                }
+            } ?: emptyList()
+
+        return (userRelaysBeingUsed + currentUserRelays).sortedWith(order)
+    }
 
     fun subscribeTo(user: User) {
         if (currentUser != user) {
             currentUser = user
-            user.live().relays.observeForever(listener)
-            user.live().relayInfo.observeForever(listener)
+
+            currentJob?.cancel()
+            currentJob =
+                viewModelScope.launch {
+                    combine(currentUser!!.flow().relays.stateFlow, currentUser!!.flow().relayInfo.stateFlow) { relays, relayInfo ->
+                        mergeRelays(relays.user.relaysBeingUsed, relayInfo.user.latestContactList?.relays())
+                    }.debounce(1000)
+                        .collect { newList ->
+                            _feedContent.update { newList }
+                        }
+                }
+
             invalidateData()
         }
     }
 
     fun unsubscribeTo(user: User) {
         if (currentUser == user) {
-            user.live().relays.removeObserver(listener)
-            user.live().relayInfo.removeObserver(listener)
             currentUser = null
+            currentJob?.cancel()
+            invalidateData()
         }
     }
 
@@ -116,6 +136,7 @@ class RelayFeedViewModel :
     override fun onCleared() {
         Log.d("Init", "OnCleared: ${this.javaClass.simpleName}")
         bundler.cancel()
+        currentJob?.cancel()
         super.onCleared()
     }
 }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/relays/RelaysTabHeader.kt

@@ -23,26 +23,16 @@ package com.vitorpamplona.amethyst.ui.screen.loggedIn.profile.relays
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
-import androidx.compose.runtime.remember
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.User
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserRelaysUsing
 import com.vitorpamplona.amethyst.ui.stringRes
 
 @Composable
 fun RelaysTabHeader(baseUser: User) {
-    val userState by baseUser.live().relays.observeAsState()
-    val userRelaysBeingUsed = remember(userState) { userState?.user?.relaysBeingUsed?.size ?: "--" }
+    val userState by observeUserRelaysUsing(baseUser)
 
-    val userStateRelayInfo by baseUser.live().relayInfo.observeAsState()
-    val userRelays =
-        remember(userStateRelayInfo) {
-            userStateRelayInfo
-                ?.user
-                ?.latestContactList
-                ?.relays()
-                ?.size ?: "--"
-        }
-
-    Text(text = "$userRelaysBeingUsed / $userRelays ${stringRes(R.string.relays)}")
+    Text(text = "${sizeAsString(userState.userRelayList.size)} / ${sizeAsString(userState.relays.size)} ${stringRes(R.string.relays)}")
 }
+
+private fun sizeAsString(count: Int) = if (count > 0) count.toString() else "--"

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/reports/ReportsTabHeader.kt

@@ -22,33 +22,19 @@ package com.vitorpamplona.amethyst.ui.screen.loggedIn.profile.reports
 
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
-import androidx.compose.runtime.mutableIntStateOf
-import androidx.compose.runtime.remember
-import androidx.compose.runtime.setValue
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.User
-import com.vitorpamplona.amethyst.ui.screen.loggedIn.profile.reports.dal.UserProfileReportsFeedFilter
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserReportCount
 import com.vitorpamplona.amethyst.ui.stringRes
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.launch
 
 @Composable
 fun ReportsTabHeader(baseUser: User) {
-    val userState by baseUser.live().reports.observeAsState()
-    var userReports by remember { mutableIntStateOf(0) }
+    val reportCount by observeUserReportCount(baseUser)
 
-    LaunchedEffect(key1 = userState) {
-        launch(Dispatchers.IO) {
-            val newSize = UserProfileReportsFeedFilter(baseUser).feed().size
-
-            if (newSize != userReports) {
-                userReports = newSize
+    if (reportCount > 0) {
+        Text(text = stringRes(R.string.number_reports, reportCount))
+    } else {
+        Text(text = stringRes(R.string.reports))
     }
-        }
-    }
-
-    Text(text = "$userReports ${stringRes(R.string.reports)}")
 }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/reports/WatchReportsAndUpdateFeed.kt

@@ -23,8 +23,8 @@ package com.vitorpamplona.amethyst.ui.screen.loggedIn.profile.reports
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
 import com.vitorpamplona.amethyst.model.User
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserReports
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.profile.reports.dal.UserProfileReportFeedViewModel
 
 @Composable
@@ -32,6 +32,6 @@ fun WatchReportsAndUpdateFeed(
     baseUser: User,
     feedViewModel: UserProfileReportFeedViewModel,
 ) {
-    val userState by baseUser.live().reports.observeAsState()
+    val userState by observeUserReports(baseUser)
     LaunchedEffect(userState) { feedViewModel.invalidateData() }
 }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/zaps/LnZapFeedViewModel.kt

@@ -25,7 +25,6 @@ import androidx.compose.runtime.Stable
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.vitorpamplona.amethyst.model.LocalCache
-import com.vitorpamplona.amethyst.model.LocalCache.notes
 import com.vitorpamplona.amethyst.service.checkNotInMainThread
 import com.vitorpamplona.amethyst.ui.dal.FeedFilter
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.notifications.equalImmutableLists

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/zaps/WatchIsHiddenUser.kt

@@ -1,43 +0,0 @@
-/**
- * Copyright (c) 2024 Vitor Pamplona
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy of
- * this software and associated documentation files (the "Software"), to deal in
- * the Software without restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
- * Software, and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-package com.vitorpamplona.amethyst.ui.screen.loggedIn.profile.zaps
-
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
-import androidx.lifecycle.map
-import com.vitorpamplona.amethyst.model.User
-import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
-
-@Composable
-fun WatchIsHiddenUser(
-    baseUser: User,
-    accountViewModel: AccountViewModel,
-    content: @Composable (Boolean) -> Unit,
-) {
-    val isHidden by
-        accountViewModel.account.liveHiddenUsers
-            .map {
-                it.hiddenUsers.contains(baseUser.pubkeyHex) || it.spammers.contains(baseUser.pubkeyHex)
-            }.observeAsState(accountViewModel.account.isHidden(baseUser))
-
-    content(isHidden)
-}

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/zaps/WatchZapsAndUpdateFeed.kt

@@ -23,8 +23,8 @@ package com.vitorpamplona.amethyst.ui.screen.loggedIn.profile.zaps
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
 import com.vitorpamplona.amethyst.model.User
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserZaps
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.profile.zaps.dal.UserProfileZapsFeedViewModel
 
 @Composable
@@ -32,7 +32,7 @@ fun WatchZapsAndUpdateFeed(
     baseUser: User,
     feedViewModel: UserProfileZapsFeedViewModel,
 ) {
-    val userState by baseUser.live().zaps.observeAsState()
+    val userState by observeUserZaps(baseUser)
 
     LaunchedEffect(userState) { feedViewModel.invalidateData() }
 }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/zaps/ZapTabHeader.kt

@@ -22,33 +22,16 @@ package com.vitorpamplona.amethyst.ui.screen.loggedIn.profile.zaps
 
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
-import androidx.compose.runtime.setValue
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.User
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.user.observeUserZapAmount
 import com.vitorpamplona.amethyst.ui.note.showAmountInteger
 import com.vitorpamplona.amethyst.ui.stringRes
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.launch
-import java.math.BigDecimal
 
 @Composable
 fun ZapTabHeader(baseUser: User) {
-    val userState by baseUser.live().zaps.observeAsState()
-    var zapAmount by remember { mutableStateOf<BigDecimal?>(null) }
-
-    LaunchedEffect(key1 = userState) {
-        launch(Dispatchers.Default) {
-            val tempAmount = baseUser.zappedAmount()
-            if (zapAmount != tempAmount) {
-                zapAmount = tempAmount
-            }
-        }
-    }
+    val zapAmount by observeUserZapAmount(baseUser)
 
     Text(text = "${showAmountInteger(zapAmount)} ${stringRes(id = R.string.zaps)}")
 }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/relays/kind3/Kind3RelayListViewModel.kt

@@ -42,7 +42,6 @@ import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
-import kotlin.collections.plus
 
 @Stable
 class Kind3RelayListViewModel : ViewModel() {

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/settings/SecurityFiltersScreen.kt

@@ -46,7 +46,6 @@ import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.MutableState
 import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
@@ -63,10 +62,9 @@ import androidx.compose.ui.unit.dp
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.LifecycleEventObserver
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
-import androidx.lifecycle.distinctUntilChanged
-import androidx.lifecycle.map
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.vitorpamplona.amethyst.R
+import com.vitorpamplona.amethyst.service.relayClient.reqCommand.account.observeAccountIsHiddenWord
 import com.vitorpamplona.amethyst.ui.feeds.RefresheableBox
 import com.vitorpamplona.amethyst.ui.layouts.DisappearingScaffold
 import com.vitorpamplona.amethyst.ui.navigation.INav
@@ -323,11 +321,7 @@ fun MutedWordActionOptions(
     word: String,
     accountViewModel: AccountViewModel,
 ) {
-    val isMutedWord by
-        accountViewModel.account.liveHiddenUsers
-            .map { word in it.hiddenWords }
-            .distinctUntilChanged()
-            .observeAsState()
+    val isMutedWord by observeAccountIsHiddenWord(accountViewModel.account, word)
 
     if (isMutedWord == true) {
         ShowWordButton {

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/threadview/datasources/ThreadFilterAssembler.kt

@@ -28,8 +28,6 @@ import com.vitorpamplona.ammolite.relays.NostrClient
 import com.vitorpamplona.ammolite.relays.TypedFilter
 import com.vitorpamplona.ammolite.relays.filters.SincePerRelayFilter
 import com.vitorpamplona.quartz.nip01Core.core.HexKey
-import kotlin.collections.flatten
-import kotlin.collections.ifEmpty
 
 // This allows multiple screen to be listening to tags, even the same tag
 class ThreadQueryState(

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/video/datasource/VideoFilterAssembler.kt

@@ -39,7 +39,6 @@ import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.launch
-import kotlin.collections.flatten
 
 val SUPPORTED_VIDEO_FEED_MIME_TYPES = listOf("image/jpeg", "image/gif", "image/png", "image/webp", "video/mp4", "video/mpeg", "video/webm", "audio/aac", "audio/mpeg", "audio/webm", "audio/wav", "image/avif")
 val SUPPORTED_VIDEO_FEED_MIME_TYPES_SET = SUPPORTED_VIDEO_FEED_MIME_TYPES.toSet()

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/tor/TorManager.kt

@@ -26,7 +26,6 @@ import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.stateIn
-import org.torproject.jni.TorService
 
 /**
  * There should be only one instance of the Tor binding per app.