View all threads screen implementation & UI

Add user friendly message thread summary on the SDK side
Fix not encrypted rooms thread summaries

matrix-sdk-android-flow/src/main/java/org/matrix/android/sdk/flow/FlowRoom.kt

@@ -21,6 +21,7 @@ import kotlinx.coroutines.flow.Flow
 import org.matrix.android.sdk.api.query.QueryStringValue
 import org.matrix.android.sdk.api.session.events.model.Event
 import org.matrix.android.sdk.api.session.room.Room
+import org.matrix.android.sdk.api.session.room.RoomSummaryQueryParams
 import org.matrix.android.sdk.api.session.room.members.RoomMemberQueryParams
 import org.matrix.android.sdk.api.session.room.model.EventAnnotationsSummary
 import org.matrix.android.sdk.api.session.room.model.ReadReceipt
@@ -98,6 +99,13 @@ class FlowRoom(private val room: Room) {
     fun liveNotificationState(): Flow<RoomNotificationState> {
         return room.getLiveRoomNotificationState().asFlow()
     }
+
+    fun liveThreadList(): Flow<List<TimelineEvent>> {
+        return room.getAllThreadsLive().asFlow()
+                .startWith(room.coroutineDispatchers.io) {
+                    room.getAllThreads()
+                }
+    }
 }
 
 fun Room.flow(): FlowRoom {

matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/events/model/Event.kt

@@ -27,11 +27,13 @@ import org.matrix.android.sdk.api.session.room.model.message.MessageType
 import org.matrix.android.sdk.api.session.room.model.relation.RelationDefaultContent
 import org.matrix.android.sdk.api.session.room.send.SendState
 import org.matrix.android.sdk.api.session.threads.ThreadDetails
+import org.matrix.android.sdk.api.util.ContentUtils
 import org.matrix.android.sdk.api.util.JsonDict
 import org.matrix.android.sdk.internal.crypto.algorithms.olm.OlmDecryptionResult
 import org.matrix.android.sdk.internal.crypto.model.event.EncryptedEventContent
 import org.matrix.android.sdk.internal.di.MoshiProvider
 import org.matrix.android.sdk.internal.session.presence.model.PresenceContent
+import org.matrix.android.sdk.internal.session.room.send.removeInReplyFallbacks
 import timber.log.Timber
 
 typealias Content = JsonDict
@@ -188,14 +190,39 @@ data class Event(
         return contentMap?.let { JSONObject(adapter.toJson(it)).toString(4) }
     }
 
-    fun getDecryptedMessageText(): String {
+    /**
-        return getValueFromPayload(mxDecryptionResult?.payload).orEmpty()
+     * Returns a user friendly content depending on the message type.
+     * It can be used especially for message summaries.
+     * It will return a decrypted text message or an empty string otherwise.
+     */
+    fun getDecryptedUserFriendlyTextSummary(): String {
+        val text = getDecryptedValue().orEmpty()
+        return when {
+            isReply() || isQuote() -> ContentUtils.extractUsefulTextFromReply(text)
+            isFileMessage()        -> "sent a file."
+            isAudioMessage()       -> "sent an audio file."
+            isImageMessage()       -> "sent an image."
+            isVideoMessage()       -> "sent a video."
+            else                   -> text
+        }
     }
 
+    private fun Event.isQuote(): Boolean {
+        if (isReply()) return false
+        return getDecryptedValue("formatted_body")?.contains("<blockquote>") ?: false
+    }
+
+    /**
+     * Decrypt the message, or return the pure payload value if there is no encryption
+     */
+    private fun getDecryptedValue(key: String = "body"): String? {
+        return if (isEncrypted()) {
             @Suppress("UNCHECKED_CAST")
-    private fun getValueFromPayload(payload: JsonDict?, key: String = "body"): String? {
+            val content = mxDecryptionResult?.payload?.get("content") as? JsonDict
-        val content = payload?.get("content") as? JsonDict
+            content?.get(key) as? String
-        return content?.get(key) as? String
+        } else {
+            content?.get(key) as? String
+        }
     }
 
     /**

matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/room/timeline/TimelineService.kt

@@ -55,4 +55,17 @@ interface TimelineService {
      * Returns a snapshot list of TimelineEvent with EventType.MESSAGE and MessageType.MSGTYPE_IMAGE or MessageType.MSGTYPE_VIDEO.
      */
     fun getAttachmentMessages(): List<TimelineEvent>
+
+    /**
+     * Get a live list of all the thread for the specified roomId
+     * @return the [LiveData] of [TimelineEvent]
+     */
+    fun getAllThreadsLive(): LiveData<List<TimelineEvent>>
+
+    /**
+     * Get a list of all the thread for the specified roomId
+     * @return the [LiveData] of [TimelineEvent]
+     */
+    fun getAllThreads(): List<TimelineEvent>
+
 }

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/database/helper/ThreadEventsHelper.kt

@@ -17,6 +17,7 @@
 package org.matrix.android.sdk.internal.database.helper
 
 import io.realm.Realm
+import io.realm.RealmQuery
 import io.realm.RealmResults
 import io.realm.Sort
 import org.matrix.android.sdk.BuildConfig
@@ -82,7 +83,17 @@ internal fun EventEntity.findAllThreadsForRootEventId(realm: Realm, rootThreadEv
         TimelineEventEntity
                 .whereRoomId(realm, roomId = roomId)
                 .equalTo(TimelineEventEntityFields.ROOT.ROOT_THREAD_EVENT_ID, rootThreadEventId)
-                .sort(TimelineEventEntityFields.DISPLAY_INDEX, Sort.DESCENDING).findAll()
+                .sort(TimelineEventEntityFields.DISPLAY_INDEX, Sort.DESCENDING)
+                .findAll()
 
 
+/**
+ * Find all TimelineEventEntity that are root threads for the specified room
+ * @param roomId The room that all stored root threads will be returned
+ */
+internal fun TimelineEventEntity.Companion.findAllThreadsForRoomId(realm: Realm, roomId: String): RealmQuery<TimelineEventEntity> =
+        TimelineEventEntity
+                .whereRoomId(realm, roomId = roomId)
+                .equalTo(TimelineEventEntityFields.ROOT.IS_ROOT_THREAD,true)
+                .sort(TimelineEventEntityFields.DISPLAY_INDEX, Sort.DESCENDING)
 

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/database/mapper/EventMapper.kt

@@ -22,11 +22,9 @@ import org.matrix.android.sdk.api.session.events.model.Event
 import org.matrix.android.sdk.api.session.events.model.EventType
 import org.matrix.android.sdk.api.session.events.model.UnsignedData
 import org.matrix.android.sdk.api.session.events.model.getRootThreadEventId
-import org.matrix.android.sdk.api.session.events.model.isThread
 import org.matrix.android.sdk.api.session.room.send.SendState
 import org.matrix.android.sdk.api.session.room.sender.SenderInfo
 import org.matrix.android.sdk.api.session.threads.ThreadDetails
-import org.matrix.android.sdk.api.util.JsonDict
 import org.matrix.android.sdk.internal.crypto.algorithms.olm.OlmDecryptionResult
 import org.matrix.android.sdk.internal.database.model.EventEntity
 import org.matrix.android.sdk.internal.di.MoshiProvider
@@ -113,7 +111,7 @@ internal object EventMapper {
                                 avatarUrl = timelineEventEntity.senderAvatar
                         )
                     },
-                    threadSummaryLatestTextMessage = eventEntity.threadSummaryLatestMessage?.root?.asDomain()?.getDecryptedMessageText().orEmpty()
+                    threadSummaryLatestTextMessage = eventEntity.threadSummaryLatestMessage?.root?.asDomain()?.getDecryptedUserFriendlyTextSummary().orEmpty()
             )
         }
     }

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/timeline/DefaultTimeline.kt

@@ -168,7 +168,11 @@ internal class DefaultTimeline(
                     TimelineEventEntity
                             .whereRoomId(realm, roomId = roomId)
                             .equalTo(TimelineEventEntityFields.ROOT.ROOT_THREAD_EVENT_ID, it)
-                            .sort(TimelineEventEntityFields.DISPLAY_INDEX, Sort.DESCENDING).findAll()
+                            .or()
+                            .equalTo(TimelineEventEntityFields.ROOT.EVENT_ID, rootThreadEventId)
+                            .sort(TimelineEventEntityFields.DISPLAY_INDEX, Sort.DESCENDING)
+                            .findAll()
+
                 } ?: buildEventQuery(realm).sort(TimelineEventEntityFields.DISPLAY_INDEX, Sort.DESCENDING).findAll()
 
                 timelineEvents.addChangeListener(eventsChangeListener)

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/timeline/DefaultTimelineService.kt

@@ -31,9 +31,11 @@ import org.matrix.android.sdk.api.session.room.timeline.TimelineService
 import org.matrix.android.sdk.api.session.room.timeline.TimelineSettings
 import org.matrix.android.sdk.api.util.Optional
 import org.matrix.android.sdk.internal.database.RealmSessionProvider
+import org.matrix.android.sdk.internal.database.helper.findAllThreadsForRoomId
 import org.matrix.android.sdk.internal.database.mapper.TimelineEventMapper
 import org.matrix.android.sdk.internal.database.model.TimelineEventEntity
 import org.matrix.android.sdk.internal.database.model.TimelineEventEntityFields
+import org.matrix.android.sdk.internal.database.query.findAllInRoomWithSendStates
 import org.matrix.android.sdk.internal.database.query.where
 import org.matrix.android.sdk.internal.di.SessionDatabase
 import org.matrix.android.sdk.internal.session.room.membership.LoadRoomMembersTask
@@ -102,4 +104,17 @@ internal class DefaultTimelineService @AssistedInject constructor(
                     .orEmpty()
         }
     }
+
+    override fun getAllThreadsLive(): LiveData<List<TimelineEvent>> {
+        return monarchy.findAllMappedWithChanges(
+                { TimelineEventEntity.findAllThreadsForRoomId(it, roomId = roomId) },
+                { timelineEventMapper.map(it) }
+        )
+    }
+    override fun getAllThreads(): List<TimelineEvent> {
+        return monarchy.fetchAllMappedSync(
+                { TimelineEventEntity.findAllThreadsForRoomId(it, roomId = roomId) },
+                { timelineEventMapper.map(it) }
+        )
+    }
 }

vector/src/debug/res/layout/fragment_thread_list.xml

@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/coordinatorLayout"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent">
-
-
-    <androidx.constraintlayout.widget.ConstraintLayout
-        android:layout_width="match_parent"
-        android:layout_height="match_parent">
-
-    </androidx.constraintlayout.widget.ConstraintLayout>
-
-</androidx.coordinatorlayout.widget.CoordinatorLayout>

vector/src/main/java/im/vector/app/core/di/FragmentModule.kt

@@ -58,7 +58,7 @@ import im.vector.app.features.home.room.breadcrumbs.BreadcrumbsFragment
 import im.vector.app.features.home.room.detail.TimelineFragment
 import im.vector.app.features.home.room.detail.search.SearchFragment
 import im.vector.app.features.home.room.list.RoomListFragment
-import im.vector.app.features.home.room.threads.detail.ThreadListFragment
+import im.vector.app.features.home.room.threads.list.views.ThreadListFragment
 import im.vector.app.features.login.LoginCaptchaFragment
 import im.vector.app.features.login.LoginFragment
 import im.vector.app.features.login.LoginGenericTextInputFormFragment

vector/src/main/java/im/vector/app/features/home/room/detail/TimelineFragment.kt

@@ -68,6 +68,7 @@ import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.jakewharton.rxbinding3.view.focusChanges
 import com.jakewharton.rxbinding3.widget.textChanges
 import com.vanniktech.emoji.EmojiPopup
+import im.vector.app.BuildConfig
 import im.vector.app.R
 import im.vector.app.core.dialogs.ConfirmationDialogBuilder
 import im.vector.app.core.dialogs.GalleryOrCameraDialogHelper
@@ -971,7 +972,7 @@ class TimelineFragment @Inject constructor(
                 true
             }
             R.id.threads                           -> {
-                requireActivity().toast("View All Threads")
+                navigateToThreadList()
                 true
             }
             R.id.search                            -> {
@@ -1776,7 +1777,7 @@ class TimelineFragment @Inject constructor(
                 roomDetailViewModel.handle(RoomDetailAction.TapOnFailedToDecrypt(informationData.eventId))
             }
         }
-        if (isRootThreadEvent) {
+        if (BuildConfig.THREADING_ENABLED && isRootThreadEvent && !isThreadTimeLine()) {
             navigateToThreadTimeline(informationData.eventId)
         }
     }
@@ -2136,8 +2137,8 @@ class TimelineFragment @Inject constructor(
     }
 
     /**
-     * Navigate to Threads timeline for the specified threadRootEventId
+     * Navigate to Threads timeline for the specified rootThreadEventId
-     * using the RoomThreadDetailActivity
+     * using the ThreadsActivity
      */
 
     private fun navigateToThreadTimeline(rootThreadEventId: String) {
@@ -2151,6 +2152,21 @@ class TimelineFragment @Inject constructor(
         }
     }
 
+    /**
+     * Navigate to Threads list for the current room
+     * using the ThreadsActivity
+     */
+
+    private fun navigateToThreadList() {
+        context?.let {
+            val roomThreadDetailArgs = ThreadTimelineArgs(
+                    roomId = timelineArgs.roomId,
+                    displayName = roomDetailViewModel.getRoomSummary()?.displayName,
+                    avatarUrl = roomDetailViewModel.getRoomSummary()?.avatarUrl)
+            navigator.openThreadList(it, roomThreadDetailArgs)
+        }
+    }
+
 // VectorInviteView.Callback
 
     override fun onAcceptInvite() {

vector/src/main/java/im/vector/app/features/home/room/detail/timeline/item/AbsMessageItem.kt

@@ -27,6 +27,7 @@ import androidx.constraintlayout.widget.ConstraintLayout
 import androidx.core.view.isInvisible
 import androidx.core.view.isVisible
 import com.airbnb.epoxy.EpoxyAttribute
+import im.vector.app.BuildConfig
 import im.vector.app.R
 import im.vector.app.core.epoxy.ClickListener
 import im.vector.app.core.epoxy.onClick
@@ -105,8 +106,8 @@ abstract class AbsMessageItem<H : AbsMessageItem.Holder> : AbsBaseMessageItem<H>
         holder.eventSendingIndicator.isVisible = attributes.informationData.sendStateDecoration == SendStateDecoration.SENDING_MEDIA
 
         // Threads
+        if(BuildConfig.THREADING_ENABLED) {
             attributes.threadDetails?.let { threadDetails ->
-            threadDetails.isRootThread
                 holder.threadSummaryConstraintLayout.isVisible = threadDetails.isRootThread
                 holder.threadSummaryCounterTextView.text = threadDetails.numberOfThreads.toString()
                 holder.threadSummaryInfoTextView.text = threadDetails.threadSummaryLatestTextMessage
@@ -114,6 +115,9 @@ abstract class AbsMessageItem<H : AbsMessageItem.Holder> : AbsBaseMessageItem<H>
                     attributes.avatarRenderer.render(MatrixItem.UserItem(senderInfo.userId, senderInfo.displayName, senderInfo.avatarUrl), holder.threadSummaryAvatarImageView)
                 }
             }
+        }else{
+            holder.threadSummaryConstraintLayout.isVisible = false
+        }
     }
 
 

vector/src/main/java/im/vector/app/features/home/room/threads/ThreadsActivity.kt

@@ -25,14 +25,13 @@ import im.vector.app.core.di.ScreenComponent
 import im.vector.app.core.extensions.replaceFragment
 import im.vector.app.core.platform.ToolbarConfigurable
 import im.vector.app.core.platform.VectorBaseActivity
-import im.vector.app.core.platform.VectorViewModelAction
 import im.vector.app.databinding.ActivityThreadsBinding
 import im.vector.app.features.home.AvatarRenderer
 import im.vector.app.features.home.room.detail.arguments.TimelineArgs
 import im.vector.app.features.home.room.detail.TimelineFragment
 import im.vector.app.features.home.room.threads.arguments.ThreadListArgs
 import im.vector.app.features.home.room.threads.arguments.ThreadTimelineArgs
-import im.vector.app.features.home.room.threads.detail.ThreadListFragment
+import im.vector.app.features.home.room.threads.list.views.ThreadListFragment
 import javax.inject.Inject
 
 class ThreadsActivity : VectorBaseActivity<ActivityThreadsBinding>(), ToolbarConfigurable {

vector/src/main/java/im/vector/app/features/home/room/threads/arguments/ThreadListArgs.kt

@@ -21,5 +21,7 @@ import kotlinx.parcelize.Parcelize
 
 @Parcelize
 data class ThreadListArgs(
-        val roomId: String
+        val roomId: String,
+        val displayName: String?,
+        val avatarUrl: String?,
 ) : Parcelable

vector/src/main/java/im/vector/app/features/home/room/threads/detail/ThreadListFragment.kt

@@ -1,62 +0,0 @@
-/*
- * Copyright 2021 New Vector Ltd
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package im.vector.app.features.home.room.threads.detail
-
-import android.os.Bundle
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
-import com.airbnb.mvrx.args
-import im.vector.app.core.platform.VectorBaseFragment
-import im.vector.app.databinding.FragmentThreadListBinding
-import im.vector.app.features.home.room.threads.arguments.ThreadTimelineArgs
-import org.matrix.android.sdk.api.session.Session
-import javax.inject.Inject
-
-class ThreadListFragment @Inject constructor(
-        private val session: Session
-) : VectorBaseFragment<FragmentThreadListBinding>() {
-
-    private val threadTimelineArgs: ThreadTimelineArgs by args()
-
-    override fun getBinding(inflater: LayoutInflater, container: ViewGroup?): FragmentThreadListBinding {
-        return FragmentThreadListBinding.inflate(inflater, container, false)
-    }
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-    }
-
-    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
-        super.onViewCreated(view, savedInstanceState)
-        initTextComposer()
-//        lifecycleScope.launch(Dispatchers.IO) {
-//            Realm.getInstance(realmConfiguration).executeTransaction {
-//                val eventId = roomThreadDetailArgs.eventId ?: return@executeTransaction
-//                val r = EventEntity.where(it, eventId = eventId)
-//                        .findFirst() ?: return@executeTransaction
-//                Timber.i("------> $eventId isThread: ${EventMapper.map(r).isThread()}")
-//            }
-//        }
-////        views.testTextVeiwddasda.text = "${roomThreadDetailArgs.eventId}  --  ${roomThreadDetailArgs.roomId}"
-    }
-
-    private fun initTextComposer(){
-//        views.roomThreadDetailTextComposerView.views.sendButton.isVisible = true
-    }
-
-}

vector/src/main/java/im/vector/app/features/home/room/threads/list/model/ThreadSummaryModel.kt

@@ -0,0 +1,66 @@
+/*
+ * Copyright 2019 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.app.features.home.room.threads.list.model
+
+import android.widget.ImageView
+import android.widget.TextView
+import com.airbnb.epoxy.EpoxyAttribute
+import com.airbnb.epoxy.EpoxyModelClass
+import im.vector.app.R
+import im.vector.app.core.epoxy.VectorEpoxyHolder
+import im.vector.app.core.epoxy.VectorEpoxyModel
+import im.vector.app.features.displayname.getBestName
+import im.vector.app.features.home.AvatarRenderer
+import org.matrix.android.sdk.api.util.MatrixItem
+
+@EpoxyModelClass(layout = R.layout.item_thread_summary)
+abstract class ThreadSummaryModel : VectorEpoxyModel<ThreadSummaryModel.Holder>() {
+
+    @EpoxyAttribute lateinit var avatarRenderer: AvatarRenderer
+    @EpoxyAttribute lateinit var matrixItem: MatrixItem
+    @EpoxyAttribute lateinit var title: String
+    @EpoxyAttribute lateinit var date: String
+    @EpoxyAttribute lateinit var rootMessage: String
+    @EpoxyAttribute lateinit var lastMessage: String
+    @EpoxyAttribute lateinit var lastMessageCounter: String
+    @EpoxyAttribute lateinit var lastMessageMatrixItem: MatrixItem
+
+    override fun bind(holder: Holder) {
+        super.bind(holder)
+        avatarRenderer.render(matrixItem, holder.avatarImageView)
+        holder.avatarImageView.contentDescription = matrixItem.getBestName()
+        holder.titleTextView.text = title
+        holder.dateTextView.text = date
+        holder.rootMessageTextView.text = rootMessage
+
+        // Last message summary
+        avatarRenderer.render(lastMessageMatrixItem, holder.lastMessageAvatarImageView)
+        holder.lastMessageAvatarImageView.contentDescription = lastMessageMatrixItem.getBestName()
+        holder.lastMessageTextView.text = lastMessage
+        holder.lastMessageCounterTextView.text = lastMessageCounter
+    }
+
+    class Holder : VectorEpoxyHolder() {
+        val avatarImageView by bind<ImageView>(R.id.threadSummaryAvatarImageView)
+        val titleTextView by bind<TextView>(R.id.threadSummaryTitleTextView)
+        val dateTextView by bind<TextView>(R.id.threadSummaryDateTextView)
+        val rootMessageTextView by bind<TextView>(R.id.threadSummaryRootMessageTextView)
+        val lastMessageAvatarImageView by bind<ImageView>(R.id.messageThreadSummaryAvatarImageView)
+        val lastMessageCounterTextView by bind<TextView>(R.id.messageThreadSummaryCounterTextView)
+        val lastMessageTextView by bind<TextView>(R.id.messageThreadSummaryInfoTextView)
+    }
+}

vector/src/main/java/im/vector/app/features/home/room/threads/list/viewmodel/ThreadSummaryController.kt

@@ -0,0 +1,73 @@
+/*
+ * Copyright 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.app.features.home.room.threads.list.viewmodel
+
+import com.airbnb.epoxy.EpoxyController
+import im.vector.app.features.home.AvatarRenderer
+import im.vector.app.features.home.room.threads.list.model.threadSummary
+import org.matrix.android.sdk.api.util.toMatrixItem
+import javax.inject.Inject
+
+class ThreadSummaryController @Inject constructor(
+        private val avatarRenderer: AvatarRenderer
+) : EpoxyController() {
+
+    var listener: Listener? = null
+
+    private var viewState: ThreadSummaryViewState? = null
+
+    init {
+        // We are requesting a model build directly as the first build of epoxy is on the main thread.
+        // It avoids to build the whole list of breadcrumbs on the main thread.
+        requestModelBuild()
+    }
+
+    fun update(viewState: ThreadSummaryViewState) {
+        this.viewState = viewState
+        requestModelBuild()
+    }
+
+    override fun buildModels() {
+        val safeViewState = viewState ?: return
+        val host = this
+        // Add a ZeroItem to avoid automatic scroll when the breadcrumbs are updated from another client
+//        zeroItem {
+//            id("top")
+//        }
+
+        // An empty breadcrumbs list can only be temporary because when entering in a room,
+        // this one is added to the breadcrumbs
+        safeViewState.rootThreadEventList.invoke()
+                ?.forEach { timelineEvent ->
+                    threadSummary {
+                        id(timelineEvent.eventId)
+                        avatarRenderer(host.avatarRenderer)
+                        matrixItem(timelineEvent.senderInfo.toMatrixItem())
+                        title(timelineEvent.senderInfo.displayName)
+                        date(timelineEvent.root.ageLocalTs.toString())
+                        rootMessage(timelineEvent.root.getDecryptedUserFriendlyTextSummary())
+                        lastMessage(timelineEvent.root.threadDetails?.threadSummaryLatestTextMessage.orEmpty())
+                        lastMessageCounter(timelineEvent.root.threadDetails?.numberOfThreads.toString())
+                        lastMessageMatrixItem(timelineEvent.root.threadDetails?.threadSummarySenderInfo?.toMatrixItem())
+                    }
+                }
+    }
+
+    interface Listener {
+        fun onBreadcrumbClicked(roomId: String)
+    }
+}

vector/src/main/java/im/vector/app/features/home/room/threads/list/viewmodel/ThreadSummaryViewModel.kt

@@ -0,0 +1,72 @@
+/*
+ * Copyright 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.app.features.home.room.threads.list.viewmodel
+
+import com.airbnb.mvrx.FragmentViewModelContext
+import com.airbnb.mvrx.MavericksViewModelFactory
+import com.airbnb.mvrx.ViewModelContext
+import dagger.assisted.Assisted
+import dagger.assisted.AssistedFactory
+import dagger.assisted.AssistedInject
+import im.vector.app.core.platform.EmptyAction
+import im.vector.app.core.platform.EmptyViewEvents
+import im.vector.app.core.platform.VectorViewModel
+import im.vector.app.features.home.room.threads.list.views.ThreadListFragment
+import org.matrix.android.sdk.api.query.QueryStringValue
+import org.matrix.android.sdk.api.session.Session
+import org.matrix.android.sdk.api.session.room.Room
+import org.matrix.android.sdk.api.session.room.model.Membership
+import org.matrix.android.sdk.api.session.room.roomSummaryQueryParams
+import org.matrix.android.sdk.flow.flow
+
+class ThreadSummaryViewModel @AssistedInject constructor(@Assisted val initialState: ThreadSummaryViewState,
+                                                         private val session: Session) :
+    VectorViewModel<ThreadSummaryViewState, EmptyAction, EmptyViewEvents>(initialState) {
+
+    private val room = session.getRoom(initialState.roomId)
+
+    @AssistedFactory
+    interface Factory {
+        fun create(initialState: ThreadSummaryViewState): ThreadSummaryViewModel
+    }
+
+    companion object : MavericksViewModelFactory<ThreadSummaryViewModel, ThreadSummaryViewState> {
+
+        @JvmStatic
+        override fun create(viewModelContext: ViewModelContext, state: ThreadSummaryViewState): ThreadSummaryViewModel? {
+            val fragment: ThreadListFragment = (viewModelContext as FragmentViewModelContext).fragment()
+            return fragment.threadSummaryViewModelFactory.create(state)
+        }
+    }
+
+    init {
+        observeThreadsSummary()
+    }
+
+    override fun handle(action: EmptyAction) {
+        // No op
+    }
+
+
+    private fun observeThreadsSummary() {
+        room?.flow()
+                ?.liveThreadList()
+                ?.execute { asyncThreads ->
+                    copy(rootThreadEventList = asyncThreads)
+                }
+    }
+}

vector/src/main/java/im/vector/app/features/home/room/threads/list/viewmodel/ThreadSummaryViewState.kt

@@ -0,0 +1,31 @@
+/*
+ * Copyright 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.app.features.home.room.threads.list.viewmodel
+
+import com.airbnb.mvrx.Async
+import com.airbnb.mvrx.MavericksState
+import com.airbnb.mvrx.Uninitialized
+import im.vector.app.features.home.room.threads.arguments.ThreadListArgs
+import org.matrix.android.sdk.api.session.room.timeline.TimelineEvent
+
+data class ThreadSummaryViewState(
+        val rootThreadEventList: Async<List<TimelineEvent>> = Uninitialized,
+        val roomId: String
+) : MavericksState{
+
+    constructor(args: ThreadListArgs) : this(roomId = args.roomId)
+}

vector/src/main/java/im/vector/app/features/home/room/threads/list/views/ThreadListFragment.kt

@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2021 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.app.features.home.room.threads.list.views
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.core.view.isVisible
+import com.airbnb.mvrx.args
+import com.airbnb.mvrx.fragmentViewModel
+import com.airbnb.mvrx.withState
+import im.vector.app.R
+import im.vector.app.core.extensions.cleanup
+import im.vector.app.core.extensions.configureWith
+import im.vector.app.core.platform.VectorBaseFragment
+import im.vector.app.databinding.FragmentThreadListBinding
+import im.vector.app.features.home.AvatarRenderer
+import im.vector.app.features.home.room.breadcrumbs.BreadcrumbsAnimator
+import im.vector.app.features.home.room.breadcrumbs.BreadcrumbsViewModel
+import im.vector.app.features.home.room.detail.RoomDetailSharedActionViewModel
+import im.vector.app.features.home.room.threads.arguments.ThreadListArgs
+import im.vector.app.features.home.room.threads.list.viewmodel.ThreadSummaryController
+import im.vector.app.features.home.room.threads.list.viewmodel.ThreadSummaryViewModel
+import org.matrix.android.sdk.api.session.Session
+import org.matrix.android.sdk.api.util.MatrixItem
+import javax.inject.Inject
+
+class ThreadListFragment @Inject constructor(
+        private val session: Session,
+        private val avatarRenderer: AvatarRenderer,
+        private val threadSummaryController: ThreadSummaryController,
+        val threadSummaryViewModelFactory: ThreadSummaryViewModel.Factory
+) : VectorBaseFragment<FragmentThreadListBinding>() {
+
+    private val threadSummaryViewModel: ThreadSummaryViewModel by fragmentViewModel()
+
+    private val threadListArgs: ThreadListArgs by args()
+
+    override fun getBinding(inflater: LayoutInflater, container: ViewGroup?): FragmentThreadListBinding {
+        return FragmentThreadListBinding.inflate(inflater, container, false)
+    }
+
+    override fun getMenuRes() = R.menu.menu_thread_list
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        initToolbar()
+        views.threadListRecyclerView.configureWith(threadSummaryController, BreadcrumbsAnimator(), hasFixedSize = false)
+//        threadSummaryController.listener = this
+    }
+
+    override fun onDestroyView() {
+        views.threadListRecyclerView.cleanup()
+//        breadcrumbsController.listener = null
+        super.onDestroyView()
+    }
+    private fun initToolbar(){
+        setupToolbar(views.threadListToolbar)
+        renderToolbar()
+    }
+
+    override fun invalidate() = withState(threadSummaryViewModel) { state ->
+        threadSummaryController.update(state)
+    }
+
+    private fun renderToolbar() {
+        views.includeThreadListToolbar.roomToolbarThreadConstraintLayout.isVisible = true
+            val matrixItem = MatrixItem.RoomItem(threadListArgs.roomId, threadListArgs.displayName, threadListArgs.avatarUrl)
+            avatarRenderer.render(matrixItem, views.includeThreadListToolbar.roomToolbarThreadImageView)
+            views.includeThreadListToolbar.roomToolbarThreadSubtitleTextView.text = threadListArgs.displayName
+    }
+}

vector/src/main/java/im/vector/app/features/navigation/DefaultNavigator.kt

@@ -517,4 +517,14 @@ class DefaultNavigator @Inject constructor(
                 threadTimelineArgs =  threadTimelineArgs,
                 threadListArgs =null))
     }
+    override fun openThreadList(context: Context, threadTimelineArgs: ThreadTimelineArgs) {
+        context.startActivity(ThreadsActivity.newIntent(
+                context = context,
+                threadTimelineArgs =  null,
+                threadListArgs = ThreadListArgs(
+                        roomId = threadTimelineArgs.roomId,
+                        displayName = threadTimelineArgs.displayName,
+                        avatarUrl = threadTimelineArgs.avatarUrl
+                )))
+    }
 }

vector/src/main/java/im/vector/app/features/navigation/Navigator.kt

@@ -143,5 +143,6 @@ interface Navigator {
     fun openCallTransfer(context: Context, callId: String)
 
     fun openThread(context: Context, threadTimelineArgs: ThreadTimelineArgs)
+    fun openThreadList(context: Context, threadTimelineArgs: ThreadTimelineArgs)
 
 }

vector/src/main/res/layout/fragment_thread_list.xml

@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <com.google.android.material.appbar.AppBarLayout
+        android:id="@+id/threadListAppBarLayout"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <com.google.android.material.appbar.MaterialToolbar
+            android:id="@+id/threadListToolbar"
+            android:layout_width="match_parent"
+            android:layout_height="?actionBarSize"
+            android:transitionName="toolbar">
+
+            <include
+                android:id="@+id/includeThreadListToolbar"
+                layout="@layout/view_room_detail_thread_toolbar" />
+
+        </com.google.android.material.appbar.MaterialToolbar>
+
+    </com.google.android.material.appbar.AppBarLayout>
+
+    <androidx.recyclerview.widget.RecyclerView
+        xmlns:tools="http://schemas.android.com/tools"
+        android:id="@+id/threadListRecyclerView"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        app:layout_constraintTop_toBottomOf="@id/threadListAppBarLayout"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent"
+        android:background="?android:colorBackground"
+        tools:listitem="@layout/item_thread_summary" />
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>

vector/src/main/res/layout/item_thread_summary.xml

@@ -0,0 +1,91 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:paddingStart="12dp"
+    android:paddingTop="12dp"
+    android:paddingEnd="0dp">
+
+    <ImageView
+        android:id="@+id/threadSummaryAvatarImageView"
+        android:layout_width="40dp"
+        android:layout_height="40dp"
+        android:contentDescription="@string/avatar"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:src="@sample/user_round_avatars" />
+
+    <TextView
+        android:id="@+id/threadSummaryTitleTextView"
+        style="@style/Widget.Vector.TextView.Body.Medium"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:layout_marginEnd="8dp"
+        android:ellipsize="end"
+        android:maxLines="1"
+        android:textStyle="bold"
+        android:textColor="@color/element_name_04"
+        app:layout_constraintEnd_toStartOf="@id/threadSummaryDateTextView"
+        app:layout_constraintStart_toEndOf="@id/threadSummaryAvatarImageView"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="Aris" />
+
+
+    <TextView
+        android:id="@+id/threadSummaryDateTextView"
+        style="@style/Widget.Vector.TextView.Caption"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:layout_marginEnd="8dp"
+        android:ellipsize="end"
+        android:maxLines="1"
+        android:textColor="?vctr_content_secondary"
+        app:layout_constraintBottom_toBottomOf="@id/threadSummaryTitleTextView"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="@id/threadSummaryTitleTextView"
+        tools:text="10 minutes ago" />
+
+    <TextView
+        android:id="@+id/threadSummaryRootMessageTextView"
+        style="@style/Widget.Vector.TextView.Body"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="8dp"
+        android:ellipsize="end"
+        android:maxLines="2"
+        android:textColor="?vctr_content_primary"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="@id/threadSummaryTitleTextView"
+        app:layout_constraintTop_toBottomOf="@id/threadSummaryTitleTextView"
+        tools:text="It’s really encouraging to feel like you are a part of something greater than yourself. I It’s really encouraging to feel like you are a part of something greater than yourself. I " />
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/threadSummaryConstraintLayout"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="8dp"
+        android:contentDescription="@string/room_threads_filter"
+        android:maxWidth="496dp"
+        android:minWidth="144dp"
+        android:paddingTop="10dp"
+        android:paddingBottom="10dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="@id/threadSummaryTitleTextView"
+        app:layout_constraintTop_toBottomOf="@id/threadSummaryRootMessageTextView"
+        tools:visibility="visible">
+
+        <include layout="@layout/view_thread_room_summary" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+    <View
+        android:layout_width="0dp"
+        android:layout_height="1dp"
+        android:background="?vctr_content_quinary"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="@id/threadSummaryConstraintLayout"
+        app:layout_constraintTop_toBottomOf="@id/threadSummaryConstraintLayout" />
+</androidx.constraintlayout.widget.ConstraintLayout>

vector/src/main/res/layout/item_timeline_event_base.xml

@@ -200,7 +200,27 @@
         </com.google.android.flexbox.FlexboxLayout>
     </LinearLayout>
 
-    <include
+    <androidx.constraintlayout.widget.ConstraintLayout
-        layout="@layout/view_thread_room_summary" />
+        android:id="@+id/messageThreadSummaryConstraintLayout"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_below="@id/informationBottom"
+        android:layout_marginEnd="32dp"
+        android:layout_marginBottom="4dp"
+        android:paddingStart="13dp"
+        android:paddingEnd="13dp"
+        android:layout_toEndOf="@id/messageStartGuideline"
+        android:background="@drawable/rounded_rect_shape_8"
+        android:contentDescription="@string/room_threads_filter"
+        android:maxWidth="496dp"
+        android:minWidth="144dp"
+        android:paddingTop="10dp"
+        android:paddingBottom="10dp"
+        android:visibility="gone"
+        tools:visibility="visible">
+
+        <include layout="@layout/view_thread_room_summary" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
 
 </RelativeLayout>

vector/src/main/res/layout/view_thread_room_summary.xml

@@ -1,74 +1,58 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<merge xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
     xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:id="@+id/messageThreadSummaryConstraintLayout"
+    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="wrap_content"
+    tools:parentTag="androidx.constraintlayout.widget.ConstraintLayout">
-    android:layout_height="wrap_content"
-    android:layout_below="@id/informationBottom"
-    android:layout_marginEnd="32dp"
-    android:layout_marginBottom="4dp"
-    android:layout_toEndOf="@id/messageStartGuideline"
-    android:background="@drawable/rounded_rect_shape_8"
-    android:contentDescription="@string/room_threads_filter"
-    android:maxWidth="496dp"
-    android:minWidth="144dp"
-    android:paddingTop="10dp"
-    android:paddingBottom="10dp"
-    android:visibility="gone"
-    tools:visibility="visible">
 
     <ImageView
         android:id="@+id/messageThreadSummaryImageView"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent"
         android:layout_width="16dp"
         android:layout_height="16dp"
-        android:layout_marginStart="13dp"
         android:layout_marginTop="2dp"
         android:contentDescription="@string/room_threads_filter"
-        android:src="@drawable/ic_thread_summary" />
+        android:src="@drawable/ic_thread_summary"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
 
     <TextView
         android:id="@+id/messageThreadSummaryCounterTextView"
         style="@style/Widget.Vector.TextView.Caption"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintStart_toEndOf="@id/messageThreadSummaryImageView"
-        app:layout_constraintTop_toTopOf="parent"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginStart="5dp"
         android:textColor="?vctr_content_secondary"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toEndOf="@id/messageThreadSummaryImageView"
+        app:layout_constraintTop_toTopOf="parent"
         tools:text="187" />
 
     <ImageView
         android:id="@+id/messageThreadSummaryAvatarImageView"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintStart_toEndOf="@id/messageThreadSummaryCounterTextView"
-        app:layout_constraintTop_toTopOf="parent"
         android:layout_width="24dp"
         android:layout_height="24dp"
         android:layout_marginStart="13dp"
         android:contentDescription="@string/avatar"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toEndOf="@id/messageThreadSummaryCounterTextView"
+        app:layout_constraintTop_toTopOf="parent"
         tools:src="@sample/user_round_avatars" />
 
 
     <TextView
         android:id="@+id/messageThreadSummaryInfoTextView"
         style="@style/Widget.Vector.TextView.Caption"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:ellipsize="end"
+        android:maxLines="1"
+        android:textColor="?vctr_content_secondary"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintHorizontal_bias="0"
         app:layout_constraintStart_toEndOf="@id/messageThreadSummaryAvatarImageView"
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintWidth_default="wrap"
-        android:layout_width="0dp"
+        tools:text="Hello There, whats up! Its a large centence, whats up! Its a large centence" />
-        android:layout_height="wrap_content"
+</merge>
-        android:layout_marginStart="8dp"
-        android:layout_marginEnd="13dp"
-        android:ellipsize="end"
-        android:maxLines="1"
-        android:textColor="?vctr_content_secondary"
-        tools:text="Hello There, whats up! Its a large centence" />
-</androidx.constraintlayout.widget.ConstraintLayout>

vector/src/main/res/menu/menu_room_threads.xml

@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto">
-    <item
-        android:id="@+id/action_filter"
-        android:icon="@drawable/ic_filter"
-        android:title="@string/room_threads_filter"
-        app:showAsAction="always" />
-</menu>

vector/src/main/res/menu/menu_thread_list.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <item
+        android:id="@+id/menu_thread_list_filter"
+        android:icon="@drawable/ic_filter"
+        android:title="@string/room_threads_filter"
+        app:iconTint="?vctr_content_secondary"
+        app:showAsAction="ifRoom" />
+
+</menu>

vector/src/main/res/menu/menu_thread_timeline.xml

@@ -1,36 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto">
-
-    <item
-        android:id="@+id/test"
-        android:icon="@drawable/ic_search"
-        android:title="@string/action_thread_view_in_room"
-        app:showAsAction="always">
-
-        <menu>
-            <item
-                android:id="@+id/menuWithIconText"
-                android:icon="@drawable/ic_thread_menu_item"
-                android:title="@string/action_thread_share"
-                />
-        </menu>
-    </item>
-
-    <item
-        android:id="@+id/menu_thread_timeline_view_in_room"
-        android:icon="@drawable/ic_settings_x"
-        android:title="@string/action_thread_view_in_room"
-        app:showAsAction="never" />
-
-    <item
-        android:id="@+id/menu_thread_timeline_copy"
-        android:title="@string/action_thread_copy_link_to_thread"
-        app:showAsAction="never" />
-
-    <item
-        android:id="@+id/menu_thread_timeline_share"
-        android:title="@string/action_thread_share"
-        app:showAsAction="never" />
-
-</menu>