Added calls list while in conference + started conference participants list

app/src/main/java/org/linphone/ui/call/adapter/ConferenceParticipantsListAdapter.kt

@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2010-2023 Belledonne Communications SARL.
+ *
+ * This file is part of linphone-android
+ * (see https://www.linphone.org).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.linphone.ui.call.adapter
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.annotation.UiThread
+import androidx.databinding.DataBindingUtil
+import androidx.lifecycle.LifecycleOwner
+import androidx.recyclerview.widget.DiffUtil
+import androidx.recyclerview.widget.ListAdapter
+import androidx.recyclerview.widget.RecyclerView
+import org.linphone.R
+import org.linphone.databinding.CallConferenceParticipantListCellBinding
+import org.linphone.ui.call.model.ConferenceParticipantModel
+
+class ConferenceParticipantsListAdapter(private val viewLifecycleOwner: LifecycleOwner) :
+    ListAdapter<ConferenceParticipantModel, RecyclerView.ViewHolder>(ParticipantDiffCallback()) {
+    var selectedAdapterPosition = -1
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
+        val binding: CallConferenceParticipantListCellBinding = DataBindingUtil.inflate(
+            LayoutInflater.from(parent.context),
+            R.layout.call_conference_participant_list_cell,
+            parent,
+            false
+        )
+        return ViewHolder(binding)
+    }
+
+    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
+        (holder as ViewHolder).bind(getItem(position))
+    }
+
+    fun resetSelection() {
+        notifyItemChanged(selectedAdapterPosition)
+        selectedAdapterPosition = -1
+    }
+
+    inner class ViewHolder(
+        val binding: CallConferenceParticipantListCellBinding
+    ) : RecyclerView.ViewHolder(binding.root) {
+        @UiThread
+        fun bind(participantModel: ConferenceParticipantModel) {
+            with(binding) {
+                model = participantModel
+
+                lifecycleOwner = viewLifecycleOwner
+
+                binding.root.isSelected = bindingAdapterPosition == selectedAdapterPosition
+
+                executePendingBindings()
+            }
+        }
+    }
+
+    private class ParticipantDiffCallback : DiffUtil.ItemCallback<ConferenceParticipantModel>() {
+        override fun areItemsTheSame(
+            oldItem: ConferenceParticipantModel,
+            newItem: ConferenceParticipantModel
+        ): Boolean {
+            return oldItem.sipUri == newItem.sipUri
+        }
+
+        override fun areContentsTheSame(
+            oldItem: ConferenceParticipantModel,
+            newItem: ConferenceParticipantModel
+        ): Boolean {
+            return false
+        }
+    }
+}

app/src/main/java/org/linphone/ui/call/fragment/ActiveConferenceCallFragment.kt

@@ -28,6 +28,7 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.lifecycle.ViewModelProvider
+import androidx.navigation.fragment.findNavController
 import com.google.android.material.bottomsheet.BottomSheetBehavior
 import org.linphone.LinphoneApplication.Companion.coreContext
 import org.linphone.core.tools.Log
@@ -113,6 +114,18 @@ class ActiveConferenceCallFragment : GenericCallFragment() {
             override fun onSlide(bottomSheet: View, slideOffset: Float) {}
         })
 
+        binding.setCallsListClickListener {
+            Log.i("$TAG Going to calls list fragment")
+            val action = ActiveConferenceCallFragmentDirections.actionActiveConferenceCallFragmentToCallsListFragment()
+            findNavController().navigate(action)
+        }
+
+        binding.setParticipantsListClickListener {
+            Log.i("$TAG Going to conference participants list fragment")
+            val action = ActiveConferenceCallFragmentDirections.actionActiveConferenceCallFragmentToConferenceParticipantsListFragment()
+            findNavController().navigate(action)
+        }
+
         binding.setShareConferenceClickListener {
             val sipUri = callViewModel.conferenceModel.sipUri.value.orEmpty()
             if (sipUri.isNotEmpty()) {

app/src/main/java/org/linphone/ui/call/fragment/ConferenceParticipantsListFragment.kt

@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2010-2023 Belledonne Communications SARL.
+ *
+ * This file is part of linphone-android
+ * (see https://www.linphone.org).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.linphone.ui.call.fragment
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.lifecycle.ViewModelProvider
+import androidx.navigation.fragment.findNavController
+import androidx.recyclerview.widget.LinearLayoutManager
+import org.linphone.core.tools.Log
+import org.linphone.databinding.CallConferenceParticipantsListFragmentBinding
+import org.linphone.ui.call.adapter.ConferenceParticipantsListAdapter
+import org.linphone.ui.call.viewmodel.CurrentCallViewModel
+
+class ConferenceParticipantsListFragment : GenericCallFragment() {
+    companion object {
+        private const val TAG = "[Conference Participants List Fragment]"
+    }
+
+    private lateinit var binding: CallConferenceParticipantsListFragmentBinding
+
+    private lateinit var viewModel: CurrentCallViewModel
+
+    private lateinit var adapter: ConferenceParticipantsListAdapter
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        binding = CallConferenceParticipantsListFragmentBinding.inflate(layoutInflater)
+        return binding.root
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        viewModel = requireActivity().run {
+            ViewModelProvider(this)[CurrentCallViewModel::class.java]
+        }
+
+        binding.lifecycleOwner = viewLifecycleOwner
+        binding.viewModel = viewModel
+
+        adapter = ConferenceParticipantsListAdapter(viewLifecycleOwner)
+        binding.participantsList.setHasFixedSize(true)
+        binding.participantsList.adapter = adapter
+        binding.participantsList.layoutManager = LinearLayoutManager(requireContext())
+
+        binding.setBackClickListener {
+            findNavController().popBackStack()
+        }
+
+        viewModel.conferenceModel.participants.observe(viewLifecycleOwner) {
+            Log.i("$TAG participants list updated with [${it.size}] items")
+            adapter.submitList(it)
+        }
+    }
+}

app/src/main/java/org/linphone/ui/call/model/CallModel.kt

@@ -56,10 +56,17 @@ class CallModel @WorkerThread constructor(val call: Call) {
     init {
         call.addListener(callListener)
 
-        displayName.postValue(friend?.name ?: LinphoneUtils.getDisplayName(call.remoteAddress))
+        val avatarModel = coreContext.contactsManager.getContactAvatarModelForAddress(
-        contact.postValue(
+            call.remoteAddress
-            coreContext.contactsManager.getContactAvatarModelForAddress(call.remoteAddress)
         )
+        val conferenceInfo = coreContext.core.findConferenceInformationFromUri(call.remoteAddress)
+        if (conferenceInfo != null) {
+            displayName.postValue(conferenceInfo.subject)
+            avatarModel.showConferenceIcon.postValue(true)
+        } else {
+            displayName.postValue(friend?.name ?: LinphoneUtils.getDisplayName(call.remoteAddress))
+        }
+        contact.postValue(avatarModel)
 
         state.postValue(LinphoneUtils.callStateToString(call.state))
         isPaused.postValue(LinphoneUtils.isCallPaused(call.state))

app/src/main/java/org/linphone/ui/call/model/ConferenceModel.kt

@@ -21,12 +21,14 @@ package org.linphone.ui.call.model
 
 import androidx.annotation.WorkerThread
 import androidx.lifecycle.MutableLiveData
+import org.linphone.R
 import org.linphone.core.Call
 import org.linphone.core.Conference
 import org.linphone.core.ConferenceListenerStub
 import org.linphone.core.Participant
 import org.linphone.core.ParticipantDevice
 import org.linphone.core.tools.Log
+import org.linphone.utils.AppUtils
 
 class ConferenceModel {
     companion object {
@@ -37,13 +39,48 @@ class ConferenceModel {
 
     val sipUri = MutableLiveData<String>()
 
+    val participants = MutableLiveData<ArrayList<ConferenceParticipantModel>>()
+
     val participantDevices = MutableLiveData<ArrayList<ConferenceParticipantDeviceModel>>()
 
+    val participantsLabel = MutableLiveData<String>()
+
     private lateinit var conference: Conference
 
     val isCurrentCallInConference = MutableLiveData<Boolean>()
 
     private val conferenceListener = object : ConferenceListenerStub() {
+        @WorkerThread
+        override fun onParticipantAdded(conference: Conference, participant: Participant) {
+            Log.i(
+                "$TAG Participant added: ${participant.address.asStringUriOnly()}"
+            )
+            addParticipant(participant)
+        }
+
+        @WorkerThread
+        override fun onParticipantRemoved(conference: Conference, participant: Participant) {
+            Log.i(
+                "$TAG Participant removed: ${participant.address.asStringUriOnly()}"
+            )
+            removeParticipant(participant)
+        }
+
+        @WorkerThread
+        override fun onParticipantAdminStatusChanged(
+            conference: Conference,
+            participant: Participant
+        ) {
+            val newAdminStatus = participant.isAdmin
+            Log.i(
+                "$TAG Participant [${participant.address.asStringUriOnly()}] is [${if (newAdminStatus) "now admin" else "no longer admin"}]"
+            )
+            val participantModel = participants.value.orEmpty().find {
+                it.participant.address.weakEqual(participant.address)
+            }
+            participantModel?.isAdmin?.postValue(newAdminStatus)
+        }
+
         @WorkerThread
         override fun onParticipantDeviceAdded(
             conference: Conference,
@@ -52,14 +89,7 @@ class ConferenceModel {
             Log.i(
                 "$TAG Participant device added: ${participantDevice.address.asStringUriOnly()}"
             )
-
+            addParticipantDevice(participantDevice)
-            val list = arrayListOf<ConferenceParticipantDeviceModel>()
-            list.addAll(participantDevices.value.orEmpty())
-
-            val newModel = ConferenceParticipantDeviceModel(participantDevice)
-            list.add(newModel)
-
-            participantDevices.postValue(sortParticipantDevicesList(list))
         }
 
         @WorkerThread
@@ -70,19 +100,7 @@ class ConferenceModel {
             Log.i(
                 "$TAG Participant device removed: ${participantDevice.address.asStringUriOnly()}"
             )
-
+            removeParticipantDevice(participantDevice)
-            val list = arrayListOf<ConferenceParticipantDeviceModel>()
-            list.addAll(participantDevices.value.orEmpty())
-
-            val toRemove = list.find {
-                participantDevice.address.weakEqual(it.device.address)
-            }
-            if (toRemove != null) {
-                toRemove.destroy()
-                list.remove(toRemove)
-            }
-
-            participantDevices.postValue(list)
         }
 
         @WorkerThread
@@ -100,7 +118,7 @@ class ConferenceModel {
         override fun onStateChanged(conference: Conference, state: Conference.State) {
             Log.i("$TAG State changed [$state]")
             if (conference.state == Conference.State.Created) {
-                computeParticipantsDevices()
+                computeParticipants()
             }
         }
     }
@@ -132,46 +150,63 @@ class ConferenceModel {
         subject.postValue(conference.subject)
 
         if (conference.state == Conference.State.Created) {
-            computeParticipantsDevices()
+            computeParticipants()
         }
     }
 
     @WorkerThread
-    private fun computeParticipantsDevices() {
+    private fun computeParticipants() {
+        participants.value.orEmpty().forEach(ConferenceParticipantModel::destroy)
         participantDevices.value.orEmpty().forEach(ConferenceParticipantDeviceModel::destroy)
-        val list = arrayListOf<ConferenceParticipantDeviceModel>()
 
-        val participants = conference.participantList
+        val participantsList = arrayListOf<ConferenceParticipantModel>()
-        Log.i("$TAG [${participants.size}] participant in conference")
+        val devicesList = arrayListOf<ConferenceParticipantDeviceModel>()
 
-        for (participant in participants) {
+        val conferenceParticipants = conference.participantList
+        Log.i("$TAG [${conferenceParticipants.size}] participant in conference")
+
+        val meParticipant = conference.me
+        val meParticipantModel = ConferenceParticipantModel(meParticipant)
+        participantsList.add(meParticipantModel)
+
+        for (participant in conferenceParticipants) {
             val devices = participant.devices
             val role = participant.role
 
             Log.i(
                 "$TAG Participant [${participant.address.asStringUriOnly()}] has [${devices.size}] devices and role [${role.name}]"
             )
+            val participantModel = ConferenceParticipantModel(participant)
+            participantsList.add(participantModel)
+
             if (role == Participant.Role.Listener) {
                 continue
             }
 
             for (device in participant.devices) {
                 val model = ConferenceParticipantDeviceModel(device)
-                list.add(model)
+                devicesList.add(model)
             }
         }
         Log.i(
-            "$TAG [${list.size}] participant devices will be displayed (not counting ourselves)"
+            "$TAG [${devicesList.size}] participant devices for [${participantsList.size}] participants will be displayed (not counting ourselves)"
         )
 
         val ourDevices = conference.me.devices
         Log.i("$TAG We have [${ourDevices.size}] devices")
         for (device in ourDevices) {
             val model = ConferenceParticipantDeviceModel(device, true)
-            list.add(model)
+            devicesList.add(model)
         }
 
-        participantDevices.postValue(sortParticipantDevicesList(list))
+        participantDevices.postValue(sortParticipantDevicesList(devicesList))
+        participants.postValue(participantsList)
+        participantsLabel.postValue(
+            AppUtils.getFormattedString(
+                R.string.conference_participants_list_title,
+                participantsList.size
+            )
+        )
     }
 
     private fun sortParticipantDevicesList(devices: List<ConferenceParticipantDeviceModel>): ArrayList<ConferenceParticipantDeviceModel> {
@@ -195,4 +230,64 @@ class ConferenceModel {
 
         return sortedList
     }
+
+    @WorkerThread
+    private fun addParticipant(participant: Participant) {
+        val list = arrayListOf<ConferenceParticipantModel>()
+        list.addAll(participants.value.orEmpty())
+
+        val newModel = ConferenceParticipantModel(participant)
+        list.add(newModel)
+
+        participants.postValue(list)
+        participantsLabel.postValue(
+            AppUtils.getFormattedString(R.string.conference_participants_list_title, list.size)
+        )
+    }
+
+    @WorkerThread
+    private fun addParticipantDevice(participantDevice: ParticipantDevice) {
+        val list = arrayListOf<ConferenceParticipantDeviceModel>()
+        list.addAll(participantDevices.value.orEmpty())
+
+        val newModel = ConferenceParticipantDeviceModel(participantDevice)
+        list.add(newModel)
+
+        participantDevices.postValue(sortParticipantDevicesList(list))
+    }
+
+    @WorkerThread
+    private fun removeParticipant(participant: Participant) {
+        val list = arrayListOf<ConferenceParticipantModel>()
+        list.addAll(participants.value.orEmpty())
+
+        val toRemove = list.find {
+            participant.address.weakEqual(it.participant.address)
+        }
+        if (toRemove != null) {
+            toRemove.destroy()
+            list.remove(toRemove)
+        }
+
+        participants.postValue(list)
+        participantsLabel.postValue(
+            AppUtils.getFormattedString(R.string.conference_participants_list_title, list.size)
+        )
+    }
+
+    @WorkerThread
+    private fun removeParticipantDevice(participantDevice: ParticipantDevice) {
+        val list = arrayListOf<ConferenceParticipantDeviceModel>()
+        list.addAll(participantDevices.value.orEmpty())
+
+        val toRemove = list.find {
+            participantDevice.address.weakEqual(it.device.address)
+        }
+        if (toRemove != null) {
+            toRemove.destroy()
+            list.remove(toRemove)
+        }
+
+        participantDevices.postValue(list)
+    }
 }

app/src/main/java/org/linphone/ui/call/model/ConferenceParticipantModel.kt

@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2010-2023 Belledonne Communications SARL.
+ *
+ * This file is part of linphone-android
+ * (see https://www.linphone.org).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.linphone.ui.call.model
+
+import androidx.annotation.WorkerThread
+import androidx.lifecycle.MutableLiveData
+import org.linphone.LinphoneApplication.Companion.coreContext
+import org.linphone.core.Participant
+
+class ConferenceParticipantModel @WorkerThread constructor(val participant: Participant) {
+    val sipUri = participant.address.asStringUriOnly()
+
+    val avatarModel = coreContext.contactsManager.getContactAvatarModelForAddress(
+        participant.address
+    )
+
+    val isAdmin = MutableLiveData<Boolean>()
+
+    init {
+        isAdmin.postValue(participant.isAdmin)
+    }
+
+    @WorkerThread
+    fun destroy() {
+    }
+}

app/src/main/res/layout/call_active_conference_fragment.xml

@@ -12,6 +12,9 @@
         <variable
             name="callsListClickListener"
             type="View.OnClickListener" />
+        <variable
+            name="participantsListClickListener"
+            type="View.OnClickListener" />
         <variable
             name="viewModel"
             type="org.linphone.ui.call.viewmodel.CurrentCallViewModel" />
@@ -208,6 +211,7 @@
             layout="@layout/call_extra_conference_actions"
             bind:viewModel="@{viewModel}"
             bind:callsViewModel="@{callsViewModel}"
+            bind:participantsListClickListener="@{participantsListClickListener}"
             bind:callsListClickListener="@{callsListClickListener}"/>
 
     </androidx.coordinatorlayout.widget.CoordinatorLayout>

app/src/main/res/layout/call_conference_participant_list_cell.xml

@@ -0,0 +1,94 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <data>
+        <import type="android.view.View" />
+        <import type="org.linphone.core.ChatRoom.SecurityLevel" />
+        <variable
+            name="onClickListener"
+            type="View.OnClickListener" />
+        <variable
+            name="onLongClickListener"
+            type="View.OnLongClickListener" />
+        <variable
+            name="model"
+            type="org.linphone.ui.call.model.ConferenceParticipantModel" />
+    </data>
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:onClick="@{onClickListener}"
+        android:onLongClick="@{onLongClickListener}"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginEnd="16dp"
+        android:background="@drawable/primary_cell_background">
+
+        <com.google.android.material.imageview.ShapeableImageView
+            style="@style/avatar_imageview"
+            android:id="@+id/avatar"
+            android:layout_width="@dimen/avatar_list_cell_size"
+            android:layout_height="@dimen/avatar_list_cell_size"
+            android:layout_marginStart="10dp"
+            android:layout_marginTop="5dp"
+            android:layout_marginBottom="5dp"
+            coilAvatar="@{model.avatarModel}"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <ImageView
+            android:id="@+id/trust_badge"
+            android:layout_width="@dimen/avatar_presence_badge_size"
+            android:layout_height="@dimen/avatar_presence_badge_size"
+            android:src="@{model.avatarModel.trust == SecurityLevel.Safe ? @drawable/trusted : @drawable/not_trusted, default=@drawable/trusted}"
+            android:visibility="@{model.avatarModel.trust == SecurityLevel.Safe || model.avatarModel.trust == SecurityLevel.Unsafe ? View.VISIBLE : View.GONE}"
+            app:layout_constraintStart_toStartOf="@id/avatar"
+            app:layout_constraintBottom_toBottomOf="@id/avatar"/>
+
+        <androidx.appcompat.widget.AppCompatTextView
+            style="@style/default_text_style"
+            android:id="@+id/name"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="10dp"
+            android:text="@{model.avatarModel.name, default=`John Doe`}"
+            android:textSize="14sp"
+            android:maxLines="1"
+            android:ellipsize="end"
+            app:layout_constraintStart_toEndOf="@id/avatar"
+            app:layout_constraintEnd_toStartOf="@id/admin"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent"/>
+
+        <androidx.appcompat.widget.AppCompatTextView
+            style="@style/default_text_style_300"
+            android:id="@+id/admin"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="10dp"
+            android:text="@string/conversation_info_participant_is_admin_label"
+            android:textSize="12sp"
+            android:textColor="@color/gray_main2_400"
+            android:gravity="center"
+            app:layout_constraintStart_toEndOf="@id/name"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent"/>
+
+        <View
+            android:id="@+id/separator"
+            android:layout_width="0dp"
+            android:layout_height="1dp"
+            android:layout_marginEnd="10dp"
+            android:background="@color/gray_main2_200"
+            android:visibility="gone"
+            app:layout_constraintStart_toStartOf="@id/name"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent"/>
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+</layout>

app/src/main/res/layout/call_conference_participants_list_fragment.xml

@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <data>
+        <import type="android.view.View" />
+        <variable
+            name="backClickListener"
+            type="View.OnClickListener" />
+        <variable
+            name="viewModel"
+            type="org.linphone.ui.call.viewmodel.CurrentCallViewModel" />
+    </data>
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:background="@color/white">
+
+        <ImageView
+            android:id="@+id/back"
+            android:layout_width="wrap_content"
+            android:layout_height="0dp"
+            android:padding="15dp"
+            android:adjustViewBounds="true"
+            android:onClick="@{backClickListener}"
+            android:src="@drawable/caret_left"
+            app:tint="@color/orange_main_500"
+            app:layout_constraintBottom_toBottomOf="@id/title"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="@id/title"/>
+
+        <androidx.appcompat.widget.AppCompatTextView
+            style="@style/main_page_title_style"
+            android:id="@+id/title"
+            android:layout_width="0dp"
+            android:layout_height="@dimen/top_bar_height"
+            android:layout_marginStart="10dp"
+            android:layout_marginEnd="10dp"
+            android:text="@{viewModel.conferenceModel.participantsLabel, default=@string/conference_participants_list_title}"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toEndOf="@id/back"
+            app:layout_constraintTop_toTopOf="parent"/>
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/participants_list"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            android:layout_marginTop="10dp"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/title"
+            app:layout_constraintBottom_toBottomOf="parent"/>
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+</layout>

app/src/main/res/layout/call_extra_conference_actions.xml

@@ -8,6 +8,9 @@
         <variable
             name="callsListClickListener"
             type="View.OnClickListener" />
+        <variable
+            name="participantsListClickListener"
+            type="View.OnClickListener" />
         <variable
             name="viewModel"
             type="org.linphone.ui.call.viewmodel.CurrentCallViewModel" />
@@ -50,6 +53,7 @@
 
         <ImageView
             android:id="@+id/participants"
+            android:onClick="@{participantsListClickListener}"
             android:layout_width="0dp"
             android:layout_height="@dimen/call_button_size"
             android:layout_marginTop="@dimen/call_extra_button_top_margin"
@@ -167,6 +171,7 @@
         <androidx.appcompat.widget.AppCompatTextView
             style="@style/in_call_extra_action_label_style"
             android:id="@+id/participants_label"
+            android:onClick="@{participantsListClickListener}"
             android:layout_width="0dp"
             android:layout_height="wrap_content"
             android:text="@string/conference_action_show_participants"

app/src/main/res/layout/calls_list_fragment.xml

@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <layout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
-    xmlns:bind="http://schemas.android.com/tools">
 
     <data>
         <import type="android.view.View" />
@@ -47,7 +46,7 @@
             android:id="@+id/calls_list"
             android:layout_width="0dp"
             android:layout_height="0dp"
-            android:layout_marginTop="20dp"
+            android:layout_marginTop="10dp"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintTop_toBottomOf="@id/title"

app/src/main/res/layout/chat_conversation_fragment.xml

@@ -72,6 +72,7 @@
             <com.google.android.material.imageview.ShapeableImageView
                 style="@style/avatar_imageview"
                 android:id="@+id/avatar"
+                android:onClick="@{goToInfoClickListener}"
                 android:layout_width="@dimen/avatar_list_cell_size"
                 android:layout_height="@dimen/avatar_list_cell_size"
                 android:layout_marginTop="5dp"
@@ -106,6 +107,7 @@
             <androidx.appcompat.widget.AppCompatTextView
                 style="@style/default_text_style"
                 android:id="@+id/title"
+                android:onClick="@{goToInfoClickListener}"
                 android:layout_width="0dp"
                 android:layout_height="@dimen/top_bar_height"
                 android:layout_marginStart="10dp"

app/src/main/res/layout/meeting_schedule_fragment.xml

@@ -490,7 +490,7 @@
                         android:layout_height="wrap_content"
                         android:orientation="vertical"
                         android:layout_marginTop="20dp"
-                        android:layout_marginStart="8dp"
+                        android:layout_marginStart="10dp"
                         android:layout_marginEnd="16dp"
                         android:visibility="@{viewModel.participants.size() > 0 ? View.VISIBLE : View.GONE, default=gone}"
                         app:layout_constraintTop_toBottomOf="@id/participants"
@@ -499,6 +499,19 @@
                         entries="@{viewModel.participants}"
                         layout="@{@layout/meeting_schedule_participant_list_cell}"/>
 
+                    <androidx.appcompat.widget.AppCompatTextView
+                        style="@style/default_text_style_300"
+                        android:id="@+id/add_more_participants"
+                        android:onClick="@{pickParticipantsClickListener}"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_marginStart="10dp"
+                        android:layout_marginTop="10dp"
+                        android:text="@string/meeting_schedule_add_more_participants_title"
+                        android:visibility="@{viewModel.participants.size() > 0 ? View.VISIBLE : View.GONE, default=gone}"
+                        app:layout_constraintTop_toBottomOf="@id/participants_list"
+                        app:layout_constraintStart_toEndOf="@id/participants_list_icon" />
+
                     <View
                         android:id="@+id/separator_5"
                         android:layout_width="0dp"
@@ -506,7 +519,7 @@
                         android:layout_marginTop="16dp"
                         app:layout_constraintStart_toStartOf="parent"
                         app:layout_constraintEnd_toEndOf="parent"
-                        app:layout_constraintTop_toBottomOf="@id/participants_list"
+                        app:layout_constraintTop_toBottomOf="@id/add_more_participants"
                         android:background="@color/gray_main2_200" />
 
                     <com.google.android.material.materialswitch.MaterialSwitch

app/src/main/res/navigation/call_nav_graph.xml

@@ -133,6 +133,18 @@
             app:popUpTo="@id/activeConferenceCallFragment"
             app:popUpToInclusive="true"
             app:launchSingleTop="true" />
+        <action
+            android:id="@+id/action_activeConferenceCallFragment_to_conferenceParticipantsListFragment"
+            app:destination="@id/conferenceParticipantsListFragment"
+            app:enterAnim="@anim/slide_in"
+            app:popExitAnim="@anim/slide_out"
+            app:launchSingleTop="true" />
+        <action
+            android:id="@+id/action_activeConferenceCallFragment_to_callsListFragment"
+            app:destination="@id/callsListFragment"
+            app:enterAnim="@anim/slide_in"
+            app:popExitAnim="@anim/slide_out"
+            app:launchSingleTop="true" />
     </fragment>
 
     <action android:id="@+id/action_global_activeConferenceCallFragment"
@@ -141,4 +153,10 @@
         app:popUpToInclusive="true"
         app:launchSingleTop="true"/>
 
+    <fragment
+        android:id="@+id/conferenceParticipantsListFragment"
+        android:name="org.linphone.ui.call.fragment.ConferenceParticipantsListFragment"
+        android:label="ConferenceParticipantsListFragment"
+        tools:layout="@layout/call_conference_participants_list_fragment"/>
+
 </navigation>

app/src/main/res/values/strings.xml

@@ -390,6 +390,7 @@
     <string name="meeting_schedule_one_time_label">One time</string>
     <string name="meeting_schedule_description_hint">Add description</string>
     <string name="meeting_schedule_add_participants_title">Add participants</string>
+    <string name="meeting_schedule_add_more_participants_title">Click to add more participants</string>
     <string name="meeting_schedule_add_speaker_title">Add speaker</string>
     <string name="meeting_schedule_send_invitations_title">Send invitation to participants</string>
     <string name="meeting_info_join_title">Join the meeting now</string>
@@ -433,6 +434,7 @@
     <string name="conference_call_empty">Waiting for other participants…</string>
     <string name="conference_action_screen_sharing">Screen share</string>
     <string name="conference_action_show_participants">Participants</string>
+    <string name="conference_participants_list_title">%s participants</string>
 
     <string name="connection_error_for_non_default_account">Account connection error</string>