Code improvements

app/build.gradle

@@ -57,7 +57,7 @@ android {
     buildToolsVersion '30.0.2'
     defaultConfig {
         minSdkVersion 23
-        targetSdkVersion 29
+        targetSdkVersion 30
         versionCode 4999
         versionName "${project.version}"
         applicationId getPackageName()

app/src/main/java/org/linphone/activities/assistant/fragments/AccountLoginFragment.kt

@@ -26,7 +26,6 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.fragment.findNavController
 import org.linphone.LinphoneApplication.Companion.coreContext
@@ -83,7 +82,7 @@ class AccountLoginFragment : AbstractPhoneFragment() {
             startActivity(intent)
         }
 
-        viewModel.goToSmsValidationEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.goToSmsValidationEvent.observe(viewLifecycleOwner, {
             it.consume {
                 if (findNavController().currentDestination?.id == R.id.accountLoginFragment) {
                     val args = Bundle()
@@ -94,7 +93,7 @@ class AccountLoginFragment : AbstractPhoneFragment() {
             }
         })
 
-        viewModel.leaveAssistantEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.leaveAssistantEvent.observe(viewLifecycleOwner, {
             it.consume {
                 if (coreContext.core.isEchoCancellerCalibrationRequired) {
                     if (findNavController().currentDestination?.id == R.id.accountLoginFragment) {
@@ -106,7 +105,7 @@ class AccountLoginFragment : AbstractPhoneFragment() {
             }
         })
 
-        viewModel.invalidCredentialsEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.invalidCredentialsEvent.observe(viewLifecycleOwner, {
             it.consume {
                 val dialogViewModel = DialogViewModel(getString(R.string.assistant_error_invalid_credentials))
                 val dialog: Dialog = DialogUtils.getDialog(requireContext(), dialogViewModel)

app/src/main/java/org/linphone/activities/assistant/fragments/EchoCancellerCalibrationFragment.kt

@@ -25,7 +25,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import org.linphone.activities.assistant.viewmodels.EchoCancellerCalibrationViewModel
 import org.linphone.core.tools.Log
@@ -53,7 +52,7 @@ class EchoCancellerCalibrationFragment : Fragment() {
         viewModel = ViewModelProvider(this).get(EchoCancellerCalibrationViewModel::class.java)
         binding.viewModel = viewModel
 
-        viewModel.echoCalibrationTerminated.observe(viewLifecycleOwner, Observer {
+        viewModel.echoCalibrationTerminated.observe(viewLifecycleOwner, {
             it.consume {
                 requireActivity().finish()
             }

app/src/main/java/org/linphone/activities/assistant/fragments/EmailAccountCreationFragment.kt

@@ -24,7 +24,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.fragment.findNavController
 import org.linphone.R
@@ -59,7 +58,7 @@ class EmailAccountCreationFragment : Fragment() {
         viewModel = ViewModelProvider(this, EmailAccountCreationViewModelFactory(sharedViewModel.getAccountCreator())).get(EmailAccountCreationViewModel::class.java)
         binding.viewModel = viewModel
 
-        viewModel.goToEmailValidationEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.goToEmailValidationEvent.observe(viewLifecycleOwner, {
             it.consume {
                 if (findNavController().currentDestination?.id == R.id.emailAccountCreationFragment) {
                     findNavController().navigate(R.id.action_emailAccountCreationFragment_to_emailAccountValidationFragment)

app/src/main/java/org/linphone/activities/assistant/fragments/EmailAccountValidationFragment.kt

@@ -24,7 +24,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.fragment.findNavController
 import org.linphone.R
@@ -57,7 +56,7 @@ class EmailAccountValidationFragment : Fragment() {
         viewModel = ViewModelProvider(this, EmailAccountValidationViewModelFactory(sharedViewModel.getAccountCreator())).get(EmailAccountValidationViewModel::class.java)
         binding.viewModel = viewModel
 
-        viewModel.leaveAssistantEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.leaveAssistantEvent.observe(viewLifecycleOwner, {
             it.consume {
                 if (findNavController().currentDestination?.id == R.id.emailAccountValidationFragment) {
                     val args = Bundle()

app/src/main/java/org/linphone/activities/assistant/fragments/GenericAccountLoginFragment.kt

@@ -25,7 +25,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.fragment.findNavController
 import org.linphone.LinphoneApplication.Companion.coreContext
@@ -63,7 +62,7 @@ class GenericAccountLoginFragment : Fragment() {
         viewModel = ViewModelProvider(this, GenericLoginViewModelFactory(sharedViewModel.getAccountCreator(true))).get(GenericLoginViewModel::class.java)
         binding.viewModel = viewModel
 
-        viewModel.leaveAssistantEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.leaveAssistantEvent.observe(viewLifecycleOwner, {
             it.consume {
                 if (coreContext.core.isEchoCancellerCalibrationRequired) {
                     if (findNavController().currentDestination?.id == R.id.genericAccountLoginFragment) {
@@ -75,7 +74,7 @@ class GenericAccountLoginFragment : Fragment() {
             }
         })
 
-        viewModel.invalidCredentialsEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.invalidCredentialsEvent.observe(viewLifecycleOwner, {
             it.consume {
                 val dialogViewModel = DialogViewModel(getString(R.string.assistant_error_invalid_credentials))
                 val dialog: Dialog = DialogUtils.getDialog(requireContext(), dialogViewModel)

app/src/main/java/org/linphone/activities/assistant/fragments/PhoneAccountCreationFragment.kt

@@ -23,7 +23,6 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.fragment.findNavController
 import org.linphone.R
@@ -66,7 +65,7 @@ class PhoneAccountCreationFragment : AbstractPhoneFragment() {
             CountryPickerFragment(viewModel).show(childFragmentManager, "CountryPicker")
         }
 
-        viewModel.goToSmsValidationEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.goToSmsValidationEvent.observe(viewLifecycleOwner, {
             it.consume {
                 if (findNavController().currentDestination?.id == R.id.phoneAccountCreationFragment) {
                     val args = Bundle()

app/src/main/java/org/linphone/activities/assistant/fragments/PhoneAccountLinkingFragment.kt

@@ -23,7 +23,6 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.fragment.findNavController
 import org.linphone.LinphoneApplication
@@ -80,7 +79,7 @@ class PhoneAccountLinkingFragment : AbstractPhoneFragment() {
             CountryPickerFragment(viewModel).show(childFragmentManager, "CountryPicker")
         }
 
-        viewModel.goToSmsValidationEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.goToSmsValidationEvent.observe(viewLifecycleOwner, {
             it.consume {
                 if (findNavController().currentDestination?.id == R.id.phoneAccountLinkingFragment) {
                     val args = Bundle()
@@ -91,7 +90,7 @@ class PhoneAccountLinkingFragment : AbstractPhoneFragment() {
             }
         })
 
-        viewModel.leaveAssistantEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.leaveAssistantEvent.observe(viewLifecycleOwner, {
             it.consume {
                 if (findNavController().currentDestination?.id == R.id.phoneAccountLinkingFragment) {
                     if (LinphoneApplication.coreContext.core.isEchoCancellerCalibrationRequired) {

app/src/main/java/org/linphone/activities/assistant/fragments/PhoneAccountValidationFragment.kt

@@ -26,7 +26,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.fragment.findNavController
 import org.linphone.LinphoneApplication.Companion.coreContext
@@ -67,7 +66,7 @@ class PhoneAccountValidationFragment : Fragment() {
         viewModel.isCreation.value = arguments?.getBoolean("IsCreation", false)
         viewModel.isLinking.value = arguments?.getBoolean("IsLinking", false)
 
-        viewModel.leaveAssistantEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.leaveAssistantEvent.observe(viewLifecycleOwner, {
             it.consume {
                 when {
                     viewModel.isLogin.value == true || viewModel.isCreation.value == true -> {

app/src/main/java/org/linphone/activities/assistant/fragments/QrCodeFragment.kt

@@ -25,7 +25,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.fragment.findNavController
 import org.linphone.LinphoneApplication.Companion.coreContext
@@ -61,7 +60,7 @@ class QrCodeFragment : Fragment() {
         viewModel = ViewModelProvider(this).get(QrCodeViewModel::class.java)
         binding.viewModel = viewModel
 
-        viewModel.qrCodeFoundEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.qrCodeFoundEvent.observe(viewLifecycleOwner, {
             it.consume { url ->
                 sharedViewModel.remoteProvisioningUrl.value = url
                 findNavController().navigateUp()

app/src/main/java/org/linphone/activities/assistant/fragments/RemoteProvisioningFragment.kt

@@ -24,7 +24,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.fragment.findNavController
 import org.linphone.LinphoneApplication.Companion.coreContext
@@ -66,7 +65,7 @@ class RemoteProvisioningFragment : Fragment() {
             }
         }
 
-        viewModel.fetchSuccessfulEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.fetchSuccessfulEvent.observe(viewLifecycleOwner, {
             it.consume { success ->
                 if (success) {
                     if (coreContext.core.isEchoCancellerCalibrationRequired) {

app/src/main/java/org/linphone/activities/call/CallActivity.kt

@@ -24,7 +24,6 @@ import android.os.Bundle
 import android.view.Gravity
 import android.view.MotionEvent
 import androidx.databinding.DataBindingUtil
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import org.linphone.LinphoneApplication.Companion.coreContext
 import org.linphone.R
@@ -57,7 +56,7 @@ class CallActivity : ProximitySensorActivity() {
 
         sharedViewModel = ViewModelProvider(this).get(SharedCallViewModel::class.java)
 
-        sharedViewModel.toggleDrawerEvent.observe(this, Observer {
+        sharedViewModel.toggleDrawerEvent.observe(this, {
             it.consume {
                 if (binding.statsMenu.isDrawerOpen(Gravity.LEFT)) {
                     binding.statsMenu.closeDrawer(binding.sideMenuContent, true)
@@ -67,7 +66,7 @@ class CallActivity : ProximitySensorActivity() {
             }
         })
 
-        sharedViewModel.resetHiddenInterfaceTimerInVideoCallEvent.observe(this, Observer {
+        sharedViewModel.resetHiddenInterfaceTimerInVideoCallEvent.observe(this, {
             it.consume {
                 viewModel.showMomentarily()
             }
@@ -95,7 +94,7 @@ class CallActivity : ProximitySensorActivity() {
 
         videoZoomHelper = VideoZoomHelper(this, binding.remoteVideoSurface)
 
-        viewModel.proximitySensorEnabled.observe(this, Observer {
+        viewModel.proximitySensorEnabled.observe(this, {
             enableProximitySensor(it)
         })
     }

app/src/main/java/org/linphone/activities/call/IncomingCallActivity.kt

@@ -24,7 +24,6 @@ import android.app.KeyguardManager
 import android.content.Context
 import android.os.Bundle
 import androidx.databinding.DataBindingUtil
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import org.linphone.LinphoneApplication.Companion.coreContext
 import org.linphone.R
@@ -65,21 +64,21 @@ class IncomingCallActivity : GenericActivity() {
         )[IncomingCallViewModel::class.java]
         binding.viewModel = viewModel
 
-        viewModel.callEndedEvent.observe(this, Observer {
+        viewModel.callEndedEvent.observe(this, {
             it.consume {
                 Log.i("[Incoming Call Activity] Call ended, finish activity")
                 finish()
             }
         })
 
-        viewModel.callConnectedEvent.observe(this, Observer {
+        viewModel.callConnectedEvent.observe(this, {
             it.consume {
                 Log.i("[Incoming Call Activity] Call connected, finish activity")
                 finish()
             }
         })
 
-        viewModel.earlyMediaVideoEnabled.observe(this, Observer {
+        viewModel.earlyMediaVideoEnabled.observe(this, {
             if (it) {
                 Log.i("[Incoming Call Activity] Early media video being received, set native window id")
                 coreContext.core.nativeVideoWindowId = binding.remoteVideoSurface

app/src/main/java/org/linphone/activities/call/OutgoingCallActivity.kt

@@ -23,7 +23,6 @@ import android.annotation.TargetApi
 import android.os.Bundle
 import android.view.WindowManager
 import androidx.databinding.DataBindingUtil
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import org.linphone.LinphoneApplication.Companion.coreContext
 import org.linphone.R
@@ -82,14 +81,14 @@ class OutgoingCallActivity : GenericActivity() {
             controlsViewModel.toggleSpeaker()
         }
 
-        viewModel.callEndedEvent.observe(this, Observer {
+        viewModel.callEndedEvent.observe(this, {
             it.consume {
                 Log.i("[Outgoing Call Activity] Call ended, finish activity")
                 finish()
             }
         })
 
-        viewModel.callConnectedEvent.observe(this, Observer {
+        viewModel.callConnectedEvent.observe(this, {
             it.consume {
                 Log.i("[Outgoing Call Activity] Call connected, finish activity")
                 finish()

app/src/main/java/org/linphone/activities/call/fragments/ControlsFragment.kt

@@ -27,9 +27,7 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
-import java.util.*
 import org.linphone.R
 import org.linphone.activities.call.viewmodels.CallsViewModel
 import org.linphone.activities.call.viewmodels.ControlsViewModel
@@ -74,7 +72,7 @@ class ControlsFragment : Fragment() {
         controlsViewModel = ViewModelProvider(this).get(ControlsViewModel::class.java)
         binding.controlsViewModel = controlsViewModel
 
-        callsViewModel.currentCallViewModel.observe(viewLifecycleOwner, Observer {
+        callsViewModel.currentCallViewModel.observe(viewLifecycleOwner, {
             if (it != null) {
                 binding.activeCallTimer.base =
                     SystemClock.elapsedRealtime() - (1000 * it.call.duration) // Linphone timestamps are in seconds
@@ -82,13 +80,13 @@ class ControlsFragment : Fragment() {
             }
         })
 
-        callsViewModel.noMoreCallEvent.observe(viewLifecycleOwner, Observer {
+        callsViewModel.noMoreCallEvent.observe(viewLifecycleOwner, {
             it.consume {
                 activity?.finish()
             }
         })
 
-        callsViewModel.callUpdateEvent.observe(viewLifecycleOwner, Observer {
+        callsViewModel.callUpdateEvent.observe(viewLifecycleOwner, {
             it.consume { call ->
                 if (call.state == Call.State.StreamsRunning) {
                     dialog?.dismiss()
@@ -98,7 +96,7 @@ class ControlsFragment : Fragment() {
             }
         })
 
-        controlsViewModel.chatClickedEvent.observe(viewLifecycleOwner, Observer {
+        controlsViewModel.chatClickedEvent.observe(viewLifecycleOwner, {
             it.consume {
                 val intent = Intent()
                 intent.setClass(requireContext(), MainActivity::class.java)
@@ -108,7 +106,7 @@ class ControlsFragment : Fragment() {
             }
         })
 
-        controlsViewModel.addCallClickedEvent.observe(viewLifecycleOwner, Observer {
+        controlsViewModel.addCallClickedEvent.observe(viewLifecycleOwner, {
             it.consume {
                 val intent = Intent()
                 intent.setClass(requireContext(), MainActivity::class.java)
@@ -119,7 +117,7 @@ class ControlsFragment : Fragment() {
             }
         })
 
-        controlsViewModel.transferCallClickedEvent.observe(viewLifecycleOwner, Observer {
+        controlsViewModel.transferCallClickedEvent.observe(viewLifecycleOwner, {
             it.consume {
                 val intent = Intent()
                 intent.setClass(requireContext(), MainActivity::class.java)
@@ -130,7 +128,7 @@ class ControlsFragment : Fragment() {
             }
         })
 
-        controlsViewModel.somethingClickedEvent.observe(viewLifecycleOwner, Observer {
+        controlsViewModel.somethingClickedEvent.observe(viewLifecycleOwner, {
             it.consume {
                 sharedViewModel.resetHiddenInterfaceTimerInVideoCallEvent.value = Event(true)
             }

app/src/main/java/org/linphone/activities/call/fragments/StatusFragment.kt

@@ -25,7 +25,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import java.util.*
 import org.linphone.R
@@ -73,7 +72,7 @@ class StatusFragment : Fragment() {
             viewModel.refreshRegister()
         }
 
-        viewModel.showZrtpDialogEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.showZrtpDialogEvent.observe(viewLifecycleOwner, {
             it.consume { call ->
                 if (call.state == Call.State.Connected || call.state == Call.State.StreamsRunning) {
                     showZrtpDialog(call)

app/src/main/java/org/linphone/activities/main/MainActivity.kt

@@ -28,7 +28,6 @@ import android.view.Gravity
 import android.view.View
 import android.view.inputmethod.InputMethodManager
 import androidx.databinding.DataBindingUtil
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.lifecycle.lifecycleScope
 import androidx.navigation.NavController
@@ -77,7 +76,7 @@ class MainActivity : GenericActivity(), SnackBarActivity, NavController.OnDestin
         sharedViewModel = ViewModelProvider(this).get(SharedMainViewModel::class.java)
         binding.viewModel = sharedViewModel
 
-        sharedViewModel.toggleDrawerEvent.observe(this, Observer {
+        sharedViewModel.toggleDrawerEvent.observe(this, {
             it.consume {
                 if (binding.sideMenu.isDrawerOpen(Gravity.LEFT)) {
                     binding.sideMenu.closeDrawer(binding.sideMenuContent, true)
@@ -87,7 +86,7 @@ class MainActivity : GenericActivity(), SnackBarActivity, NavController.OnDestin
             }
         })
 
-        coreContext.callErrorMessageResourceId.observe(this, Observer {
+        coreContext.callErrorMessageResourceId.observe(this, {
             it.consume { messageResourceId ->
                 showSnackBar(messageResourceId)
             }

app/src/main/java/org/linphone/activities/main/about/AboutFragment.kt

@@ -26,7 +26,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.fragment.findNavController
 import org.linphone.R
@@ -73,7 +72,7 @@ class AboutFragment : Fragment() {
             startActivity(browserIntent)
         }
 
-        viewModel.uploadFinishedEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.uploadFinishedEvent.observe(viewLifecycleOwner, {
             it.consume { url ->
                 val clipboard =
                     requireContext().getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager

app/src/main/java/org/linphone/activities/main/chat/adapters/ChatMessagesListAdapter.kt

@@ -28,7 +28,6 @@ import android.view.ViewGroup
 import androidx.appcompat.widget.PopupMenu
 import androidx.databinding.DataBindingUtil
 import androidx.lifecycle.MutableLiveData
-import androidx.lifecycle.Observer
 import androidx.recyclerview.widget.DiffUtil
 import org.linphone.LinphoneApplication.Companion.coreContext
 import org.linphone.R
@@ -133,7 +132,7 @@ class ChatMessagesListAdapter(val selectionViewModel: ListTopBarViewModel) : Lif
 
                     // This is for item selection through ListTopBarFragment
                     selectionListViewModel = selectionViewModel
-                    selectionViewModel.isEditionEnabled.observe(this@ChatMessageViewHolder, Observer {
+                    selectionViewModel.isEditionEnabled.observe(this@ChatMessageViewHolder, {
                         position = adapterPosition
                     })
 
@@ -292,7 +291,7 @@ class ChatMessagesListAdapter(val selectionViewModel: ListTopBarViewModel) : Lif
 
                 // This is for item selection through ListTopBarFragment
                 selectionListViewModel = selectionViewModel
-                selectionViewModel.isEditionEnabled.observe(this@EventViewHolder, Observer {
+                selectionViewModel.isEditionEnabled.observe(this@EventViewHolder, {
                     position = adapterPosition
                 })
 

app/src/main/java/org/linphone/activities/main/chat/adapters/ChatRoomCreationContactsAdapter.kt

@@ -23,7 +23,6 @@ import android.view.LayoutInflater
 import android.view.ViewGroup
 import androidx.databinding.DataBindingUtil
 import androidx.lifecycle.MutableLiveData
-import androidx.lifecycle.Observer
 import androidx.recyclerview.widget.DiffUtil
 import org.linphone.LinphoneApplication.Companion.coreContext
 import org.linphone.R
@@ -67,11 +66,11 @@ class ChatRoomCreationContactsAdapter : LifecycleListAdapter<SearchResult, ChatR
                 val searchResultViewModel = ChatRoomCreationContactViewModel(searchResult)
                 viewModel = searchResultViewModel
 
-                securityEnabled.observe(this@ViewHolder, Observer {
+                securityEnabled.observe(this@ViewHolder, {
                     updateSecurity(searchResult, searchResultViewModel, it)
                 })
 
-                selectedAddresses.observe(this@ViewHolder, Observer {
+                selectedAddresses.observe(this@ViewHolder, {
                     val selected = it.find { address ->
                         val searchAddress = searchResult.address
                         if (searchAddress != null) address.weakEqual(searchAddress) else false

app/src/main/java/org/linphone/activities/main/chat/adapters/ChatRoomsListAdapter.kt

@@ -23,7 +23,6 @@ import android.view.LayoutInflater
 import android.view.ViewGroup
 import androidx.databinding.DataBindingUtil
 import androidx.lifecycle.MutableLiveData
-import androidx.lifecycle.Observer
 import androidx.recyclerview.widget.DiffUtil
 import org.linphone.R
 import org.linphone.activities.main.chat.viewmodels.ChatRoomViewModel
@@ -63,7 +62,7 @@ class ChatRoomsListAdapter(val selectionViewModel: ListTopBarViewModel) : Lifecy
 
                 // This is for item selection through ListTopBarFragment
                 selectionListViewModel = selectionViewModel
-                selectionViewModel.isEditionEnabled.observe(this@ViewHolder, Observer {
+                selectionViewModel.isEditionEnabled.observe(this@ViewHolder, {
                     position = adapterPosition
                 })
 

app/src/main/java/org/linphone/activities/main/chat/adapters/ImdnAdapter.kt

@@ -51,7 +51,7 @@ class ImdnAdapter : ListAdapter<ParticipantImdnState,
         holder.bind(getItem(position))
     }
 
-    inner class ViewHolder(
+    class ViewHolder(
         private val binding: ChatRoomImdnParticipantCellBinding
     ) : LifecycleViewHolder(binding) {
         fun bind(participantImdnState: ParticipantImdnState) {

app/src/main/java/org/linphone/activities/main/chat/fragments/ChatRoomCreationFragment.kt

@@ -24,7 +24,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.fragment.findNavController
 import androidx.recyclerview.widget.DividerItemDecoration
@@ -96,23 +95,23 @@ class ChatRoomCreationFragment : Fragment() {
             viewModel.sipContactsSelected.value = true
         }
 
-        viewModel.contactsList.observe(viewLifecycleOwner, Observer {
+        viewModel.contactsList.observe(viewLifecycleOwner, {
             adapter.submitList(it)
         })
 
-        viewModel.isEncrypted.observe(viewLifecycleOwner, Observer {
+        viewModel.isEncrypted.observe(viewLifecycleOwner, {
             adapter.securityEnabled.value = it
         })
 
-        viewModel.sipContactsSelected.observe(viewLifecycleOwner, Observer {
+        viewModel.sipContactsSelected.observe(viewLifecycleOwner, {
             viewModel.updateContactsList()
         })
 
-        viewModel.selectedAddresses.observe(viewLifecycleOwner, Observer {
+        viewModel.selectedAddresses.observe(viewLifecycleOwner, {
             adapter.selectedAddresses.value = it
         })
 
-        viewModel.chatRoomCreatedEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.chatRoomCreatedEvent.observe(viewLifecycleOwner, {
             it.consume { chatRoom ->
                 sharedViewModel.selectedChatRoom.value = chatRoom
                 if (findNavController().currentDestination?.id == R.id.chatRoomCreationFragment) {
@@ -121,11 +120,11 @@ class ChatRoomCreationFragment : Fragment() {
             }
         })
 
-        viewModel.filter.observe(viewLifecycleOwner, Observer {
+        viewModel.filter.observe(viewLifecycleOwner, {
             viewModel.applyFilter()
         })
 
-        adapter.selectedContact.observe(viewLifecycleOwner, Observer {
+        adapter.selectedContact.observe(viewLifecycleOwner, {
             it.consume { searchResult ->
                 if (createGroup) {
                     viewModel.toggleSelectionForSearchResult(searchResult)
@@ -148,7 +147,7 @@ class ChatRoomCreationFragment : Fragment() {
             }
         }
 
-        viewModel.onErrorEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.onErrorEvent.observe(viewLifecycleOwner, {
             it.consume { messageResourceId ->
                 (activity as MainActivity).showSnackBar(messageResourceId)
             }

app/src/main/java/org/linphone/activities/main/chat/fragments/DetailChatRoomFragment.kt

@@ -32,7 +32,6 @@ import android.view.*
 import android.webkit.MimeTypeMap
 import androidx.appcompat.view.menu.MenuBuilder
 import androidx.appcompat.view.menu.MenuPopupHelper
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.lifecycle.lifecycleScope
 import androidx.navigation.fragment.findNavController
@@ -129,45 +128,45 @@ class DetailChatRoomFragment : MasterFragment() {
         }
         binding.chatMessagesList.addOnScrollListener(chatScrollListener)
 
-        chatSendingViewModel.textToSend.observe(viewLifecycleOwner, Observer {
+        chatSendingViewModel.textToSend.observe(viewLifecycleOwner, {
             chatSendingViewModel.onTextToSendChanged(it)
         })
 
-        listViewModel.events.observe(viewLifecycleOwner, Observer { events ->
+        listViewModel.events.observe(viewLifecycleOwner, { events ->
             adapter.submitList(events)
         })
 
-        listViewModel.messageUpdatedEvent.observe(viewLifecycleOwner, Observer {
+        listViewModel.messageUpdatedEvent.observe(viewLifecycleOwner, {
             it.consume { position ->
                 adapter.notifyItemChanged(position)
             }
         })
 
-        listViewModel.scrollToBottomOnMessageReceivedEvent.observe(viewLifecycleOwner, Observer {
+        listViewModel.scrollToBottomOnMessageReceivedEvent.observe(viewLifecycleOwner, {
             it.consume {
                 scrollToBottom()
             }
         })
 
-        listViewModel.requestWriteExternalStoragePermissionEvent.observe(viewLifecycleOwner, Observer {
+        listViewModel.requestWriteExternalStoragePermissionEvent.observe(viewLifecycleOwner, {
             it.consume {
                 requestPermissions(arrayOf(android.Manifest.permission.WRITE_EXTERNAL_STORAGE), 1)
             }
         })
 
-        adapter.deleteMessageEvent.observe(viewLifecycleOwner, Observer {
+        adapter.deleteMessageEvent.observe(viewLifecycleOwner, {
             it.consume { chatMessage ->
                 listViewModel.deleteMessage(chatMessage)
             }
         })
 
-        adapter.resendMessageEvent.observe(viewLifecycleOwner, Observer {
+        adapter.resendMessageEvent.observe(viewLifecycleOwner, {
             it.consume { chatMessage ->
                 listViewModel.resendMessage(chatMessage)
             }
         })
 
-        adapter.forwardMessageEvent.observe(viewLifecycleOwner, Observer {
+        adapter.forwardMessageEvent.observe(viewLifecycleOwner, {
             it.consume { chatMessage ->
                 // Remove observer before setting the message to forward
                 // as we don't want to forward it in this chat room
@@ -178,7 +177,7 @@ class DetailChatRoomFragment : MasterFragment() {
             }
         })
 
-        adapter.showImdnForMessageEvent.observe(viewLifecycleOwner, Observer {
+        adapter.showImdnForMessageEvent.observe(viewLifecycleOwner, {
             it.consume { chatMessage ->
                 val args = Bundle()
                 args.putString("MessageId", chatMessage.messageId)
@@ -186,14 +185,14 @@ class DetailChatRoomFragment : MasterFragment() {
             }
         })
 
-        adapter.addSipUriToContactEvent.observe(viewLifecycleOwner, Observer {
+        adapter.addSipUriToContactEvent.observe(viewLifecycleOwner, {
             it.consume { sipUri ->
                 Log.i("[Chat Room] Going to contacts list with SIP URI to add: $sipUri")
                 navigateToContacts(sipUri)
             }
         })
 
-        adapter.openContentEvent.observe(viewLifecycleOwner, Observer {
+        adapter.openContentEvent.observe(viewLifecycleOwner, {
             it.consume { path ->
                 openFile(path)
             }
@@ -239,7 +238,7 @@ class DetailChatRoomFragment : MasterFragment() {
             coreContext.startCall(viewModel.addressToCall)
         }
 
-        sharedViewModel.textToShare.observe(viewLifecycleOwner, Observer {
+        sharedViewModel.textToShare.observe(viewLifecycleOwner, {
             if (it.isNotEmpty()) {
                 Log.i("[Chat Room] Found text to share")
                 chatSendingViewModel.textToSend.value = it
@@ -247,7 +246,7 @@ class DetailChatRoomFragment : MasterFragment() {
             }
         })
 
-        sharedViewModel.filesToShare.observe(viewLifecycleOwner, Observer {
+        sharedViewModel.filesToShare.observe(viewLifecycleOwner, {
             if (it.isNotEmpty()) {
                 for (path in it) {
                     Log.i("[Chat Room] Found $path file to share")
@@ -257,7 +256,7 @@ class DetailChatRoomFragment : MasterFragment() {
             }
         })
 
-        sharedViewModel.messageToForwardEvent.observe(viewLifecycleOwner, Observer {
+        sharedViewModel.messageToForwardEvent.observe(viewLifecycleOwner, {
             it.consume { chatMessage ->
                 Log.i("[Chat Room] Found message to transfer")
                 showForwardConfirmationDialog(chatMessage)

app/src/main/java/org/linphone/activities/main/chat/fragments/GroupInfoFragment.kt

@@ -25,7 +25,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.fragment.findNavController
 import androidx.recyclerview.widget.DividerItemDecoration
@@ -90,21 +89,21 @@ class GroupInfoFragment : Fragment() {
         dividerItemDecoration.setDrawable(resources.getDrawable(R.drawable.divider, null))
         binding.participants.addItemDecoration(dividerItemDecoration)
 
-        viewModel.participants.observe(viewLifecycleOwner, Observer {
+        viewModel.participants.observe(viewLifecycleOwner, {
             adapter.submitList(it)
         })
 
-        viewModel.isMeAdmin.observe(viewLifecycleOwner, Observer { isMeAdmin ->
+        viewModel.isMeAdmin.observe(viewLifecycleOwner, { isMeAdmin ->
             adapter.showAdminControls(isMeAdmin && chatRoom != null)
         })
 
-        viewModel.meAdminChangedEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.meAdminChangedEvent.observe(viewLifecycleOwner, {
             it.consume { isMeAdmin ->
                 showMeAdminStateChanged(isMeAdmin)
             }
         })
 
-        adapter.participantRemovedEvent.observe(viewLifecycleOwner, Observer {
+        adapter.participantRemovedEvent.observe(viewLifecycleOwner, {
             it.consume { participant ->
                 viewModel.removeParticipant(participant)
             }
@@ -116,7 +115,7 @@ class GroupInfoFragment : Fragment() {
             findNavController().popBackStack()
         }
 
-        viewModel.createdChatRoomEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.createdChatRoomEvent.observe(viewLifecycleOwner, {
             it.consume { chatRoom ->
                 sharedViewModel.selectedChatRoom.value = chatRoom
                 goToChatRoom()
@@ -164,7 +163,7 @@ class GroupInfoFragment : Fragment() {
             dialog.show()
         }
 
-        viewModel.onErrorEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.onErrorEvent.observe(viewLifecycleOwner, {
             it.consume { messageResourceId ->
                 (activity as MainActivity).showSnackBar(messageResourceId)
             }

app/src/main/java/org/linphone/activities/main/chat/fragments/ImdnFragment.kt

@@ -24,7 +24,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.fragment.findNavController
 import androidx.recyclerview.widget.DividerItemDecoration
@@ -101,7 +100,7 @@ class ImdnFragment : Fragment() {
         val headerItemDecoration = RecyclerViewHeaderDecoration(adapter)
         binding.participantsList.addItemDecoration(headerItemDecoration)
 
-        viewModel.participants.observe(viewLifecycleOwner, Observer {
+        viewModel.participants.observe(viewLifecycleOwner, {
             adapter.submitList(it)
         })
 

app/src/main/java/org/linphone/activities/main/chat/fragments/MasterChatRoomsFragment.kt

@@ -25,7 +25,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.core.content.ContextCompat
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.recyclerview.widget.DividerItemDecoration
 import androidx.recyclerview.widget.ItemTouchHelper
@@ -127,21 +126,21 @@ class MasterChatRoomsFragment : MasterFragment() {
         dividerItemDecoration.setDrawable(resources.getDrawable(R.drawable.divider, null))
         binding.chatList.addItemDecoration(dividerItemDecoration)
 
-        listViewModel.chatRooms.observe(viewLifecycleOwner, Observer { chatRooms ->
+        listViewModel.chatRooms.observe(viewLifecycleOwner, { chatRooms ->
             adapter.submitList(chatRooms)
         })
 
-        listViewModel.latestUpdatedChatRoomId.observe(viewLifecycleOwner, Observer { position ->
+        listViewModel.latestUpdatedChatRoomId.observe(viewLifecycleOwner, { position ->
             adapter.notifyItemChanged(position)
         })
 
-        listViewModel.contactsUpdatedEvent.observe(viewLifecycleOwner, Observer {
+        listViewModel.contactsUpdatedEvent.observe(viewLifecycleOwner, {
             it.consume {
                 adapter.notifyDataSetChanged()
             }
         })
 
-        adapter.selectedChatRoomEvent.observe(viewLifecycleOwner, Observer {
+        adapter.selectedChatRoomEvent.observe(viewLifecycleOwner, {
             it.consume { chatRoom ->
                 sharedViewModel.selectedChatRoom.value = chatRoom
                 navigateToChatRoom()
@@ -175,21 +174,21 @@ class MasterChatRoomsFragment : MasterFragment() {
                 adapter.selectedChatRoomEvent.value = Event(chatRoom)
             }
         } else {
-            sharedViewModel.textToShare.observe(viewLifecycleOwner, Observer {
+            sharedViewModel.textToShare.observe(viewLifecycleOwner, {
                 if (it.isNotEmpty()) {
                     Log.i("[Chat] Found text to share")
                     val activity = requireActivity() as MainActivity
                     activity.showSnackBar(R.string.chat_room_toast_choose_for_sharing)
                 }
             })
-            sharedViewModel.filesToShare.observe(viewLifecycleOwner, Observer {
+            sharedViewModel.filesToShare.observe(viewLifecycleOwner, {
                 if (it.isNotEmpty()) {
                     Log.i("[Chat] Found ${it.size} files to share")
                     val activity = requireActivity() as MainActivity
                     activity.showSnackBar(R.string.chat_room_toast_choose_for_sharing)
                 }
             })
-            sharedViewModel.messageToForwardEvent.observe(viewLifecycleOwner, Observer {
+            sharedViewModel.messageToForwardEvent.observe(viewLifecycleOwner, {
                 if (!it.consumed()) {
                     Log.i("[Chat] Found chat message to transfer")
 
@@ -198,7 +197,7 @@ class MasterChatRoomsFragment : MasterFragment() {
                 }
             })
 
-            listViewModel.onErrorEvent.observe(viewLifecycleOwner, Observer {
+            listViewModel.onErrorEvent.observe(viewLifecycleOwner, {
                 it.consume { messageResourceId ->
                     (activity as MainActivity).showSnackBar(messageResourceId)
                 }

app/src/main/java/org/linphone/activities/main/contact/adapters/ContactsListAdapter.kt

@@ -25,7 +25,6 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.databinding.DataBindingUtil
 import androidx.lifecycle.MutableLiveData
-import androidx.lifecycle.Observer
 import androidx.recyclerview.widget.DiffUtil
 import org.linphone.R
 import org.linphone.activities.main.contact.viewmodels.ContactViewModel
@@ -67,7 +66,7 @@ class ContactsListAdapter(val selectionViewModel: ListTopBarViewModel) : Lifecyc
 
                 // This is for item selection through ListTopBarFragment
                 selectionListViewModel = selectionViewModel
-                selectionViewModel.isEditionEnabled.observe(this@ViewHolder, Observer {
+                selectionViewModel.isEditionEnabled.observe(this@ViewHolder, {
                     position = adapterPosition
                 })
 

app/src/main/java/org/linphone/activities/main/contact/adapters/SyncAccountAdapter.kt

@@ -24,6 +24,7 @@ class SyncAccountAdapter : BaseAdapter() {
 
         val icon = view.findViewById<ImageView>(R.id.account_icon)
         icon.setImageDrawable(account.third)
+        icon.contentDescription = account.second
         val name = view.findViewById<TextView>(R.id.account_name)
         name.text = account.first
 

app/src/main/java/org/linphone/activities/main/contact/fragments/DetailContactFragment.kt

@@ -27,7 +27,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.fragment.findNavController
 import org.linphone.LinphoneApplication.Companion.coreContext
@@ -73,13 +72,13 @@ class DetailContactFragment : Fragment() {
         )[ContactViewModel::class.java]
         binding.viewModel = viewModel
 
-        viewModel.sendSmsToEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.sendSmsToEvent.observe(viewLifecycleOwner, {
             it.consume { number ->
                 sendSms(number)
             }
         })
 
-        viewModel.startCallToEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.startCallToEvent.observe(viewLifecycleOwner, {
             it.consume { address ->
                 if (coreContext.core.callsNb > 0) {
                     Log.i("[Contact] Starting dialer with pre-filled URI ${address.asStringUriOnly()}, is transfer? ${sharedViewModel.pendingCallTransfer}")
@@ -97,7 +96,7 @@ class DetailContactFragment : Fragment() {
             }
         })
 
-        viewModel.chatRoomCreatedEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.chatRoomCreatedEvent.observe(viewLifecycleOwner, {
             it.consume { chatRoom ->
                 if (findNavController().currentDestination?.id == R.id.detailContactFragment) {
                     val args = Bundle()
@@ -123,7 +122,7 @@ class DetailContactFragment : Fragment() {
             confirmContactRemoval()
         }
 
-        viewModel.onErrorEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.onErrorEvent.observe(viewLifecycleOwner, {
             it.consume { messageResourceId ->
                 (activity as MainActivity).showSnackBar(messageResourceId)
             }

app/src/main/java/org/linphone/activities/main/contact/fragments/MasterContactsFragment.kt

@@ -26,7 +26,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.core.content.ContextCompat
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.recyclerview.widget.DividerItemDecoration
 import androidx.recyclerview.widget.ItemTouchHelper
@@ -131,7 +130,7 @@ class MasterContactsFragment : MasterFragment() {
         val headerItemDecoration = RecyclerViewHeaderDecoration(adapter)
         binding.contactsList.addItemDecoration(headerItemDecoration)
 
-        adapter.selectedContactEvent.observe(viewLifecycleOwner, Observer {
+        adapter.selectedContactEvent.observe(viewLifecycleOwner, {
             it.consume { contact ->
                 Log.i("[Contacts] Selected item in list changed: $contact")
                 sharedViewModel.selectedContact.value = contact
@@ -147,7 +146,7 @@ class MasterContactsFragment : MasterFragment() {
             }
         })
 
-        listViewModel.contactsList.observe(viewLifecycleOwner, Observer {
+        listViewModel.contactsList.observe(viewLifecycleOwner, {
             adapter.submitList(it)
         })
 
@@ -158,11 +157,11 @@ class MasterContactsFragment : MasterFragment() {
             listViewModel.sipContactsSelected.value = true
         }
 
-        listViewModel.sipContactsSelected.observe(viewLifecycleOwner, Observer {
+        listViewModel.sipContactsSelected.observe(viewLifecycleOwner, {
             listViewModel.updateContactsList()
         })
 
-        listViewModel.filter.observe(viewLifecycleOwner, Observer {
+        listViewModel.filter.observe(viewLifecycleOwner, {
             listViewModel.updateContactsList()
         })
 

app/src/main/java/org/linphone/activities/main/dialer/fragments/DialerFragment.kt

@@ -30,7 +30,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.fragment.findNavController
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
@@ -120,14 +119,14 @@ class DialerFragment : Fragment() {
             }
         }
 
-        viewModel.enteredUri.observe(viewLifecycleOwner, Observer {
+        viewModel.enteredUri.observe(viewLifecycleOwner, {
             if (it == corePreferences.debugPopupCode) {
                 displayDebugPopup()
                 viewModel.enteredUri.value = ""
             }
         })
 
-        viewModel.uploadFinishedEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.uploadFinishedEvent.observe(viewLifecycleOwner, {
             it.consume { url ->
                 // To prevent being trigger when using the Send Logs button in About page
                 if (uploadLogsInitiatedByUs) {
@@ -144,7 +143,7 @@ class DialerFragment : Fragment() {
             }
         })
 
-        viewModel.updateAvailableEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.updateAvailableEvent.observe(viewLifecycleOwner, {
             it.consume { url ->
                 displayNewVersionAvailableDialog(url)
             }

app/src/main/java/org/linphone/activities/main/fragments/MasterFragment.kt

@@ -22,7 +22,6 @@ package org.linphone.activities.main.fragments
 import android.app.Dialog
 import android.os.Bundle
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import org.linphone.R
 import org.linphone.activities.main.viewmodels.DialogViewModel
@@ -44,23 +43,23 @@ abstract class MasterFragment : Fragment() {
         // List selection
         listSelectionViewModel = ViewModelProvider(this).get(ListTopBarViewModel::class.java)
 
-        listSelectionViewModel.isEditionEnabled.observe(viewLifecycleOwner, Observer {
+        listSelectionViewModel.isEditionEnabled.observe(viewLifecycleOwner, {
             if (!it) listSelectionViewModel.onUnSelectAll()
         })
 
-        listSelectionViewModel.selectAllEvent.observe(viewLifecycleOwner, Observer {
+        listSelectionViewModel.selectAllEvent.observe(viewLifecycleOwner, {
             it.consume {
                 listSelectionViewModel.onSelectAll(getItemCount() - 1)
             }
         })
 
-        listSelectionViewModel.unSelectAllEvent.observe(viewLifecycleOwner, Observer {
+        listSelectionViewModel.unSelectAllEvent.observe(viewLifecycleOwner, {
             it.consume {
                 listSelectionViewModel.onUnSelectAll()
             }
         })
 
-        listSelectionViewModel.deleteSelectionEvent.observe(viewLifecycleOwner, Observer {
+        listSelectionViewModel.deleteSelectionEvent.observe(viewLifecycleOwner, {
             it.consume {
                 val confirmationDialog = AppUtils.getStringWithPlural(dialogConfirmationMessageBeforeRemoval, listSelectionViewModel.selectedItems.value.orEmpty().size)
                 val viewModel = DialogViewModel(confirmationDialog)

app/src/main/java/org/linphone/activities/main/fragments/StatusFragment.kt

@@ -24,7 +24,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import org.linphone.LinphoneApplication.Companion.coreContext
 import org.linphone.activities.main.viewmodels.SharedMainViewModel
@@ -59,7 +58,7 @@ class StatusFragment : Fragment() {
             ViewModelProvider(this).get(SharedMainViewModel::class.java)
         } ?: throw Exception("Invalid Activity")
 
-        sharedViewModel.proxyConfigRemoved.observe(viewLifecycleOwner, Observer {
+        sharedViewModel.proxyConfigRemoved.observe(viewLifecycleOwner, {
             Log.i("[Status Fragment] A proxy config was removed, update default proxy state")
             val defaultProxy = coreContext.core.defaultProxyConfig
             if (defaultProxy != null) {

app/src/main/java/org/linphone/activities/main/history/adapters/CallLogsListAdapter.kt

@@ -25,7 +25,6 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.databinding.DataBindingUtil
 import androidx.lifecycle.MutableLiveData
-import androidx.lifecycle.Observer
 import androidx.recyclerview.widget.DiffUtil
 import org.linphone.R
 import org.linphone.activities.main.history.viewmodels.CallLogViewModel
@@ -69,7 +68,7 @@ class CallLogsListAdapter(val selectionViewModel: ListTopBarViewModel) : Lifecyc
 
                 // This is for item selection through ListTopBarFragment
                 selectionListViewModel = selectionViewModel
-                selectionViewModel.isEditionEnabled.observe(this@ViewHolder, Observer {
+                selectionViewModel.isEditionEnabled.observe(this@ViewHolder, {
                     position = adapterPosition
                 })
 

app/src/main/java/org/linphone/activities/main/history/fragments/DetailCallLogFragment.kt

@@ -24,7 +24,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.fragment.findNavController
 import org.linphone.LinphoneApplication.Companion.coreContext
@@ -98,7 +97,7 @@ class DetailCallLogFragment : Fragment() {
             }
         }
 
-        viewModel.startCallEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.startCallEvent.observe(viewLifecycleOwner, {
             it.consume { address ->
                 if (coreContext.core.callsNb > 0) {
                     Log.i("[History] Starting dialer with pre-filled URI ${address.asStringUriOnly()}, is transfer? ${sharedViewModel.pendingCallTransfer}")
@@ -116,7 +115,7 @@ class DetailCallLogFragment : Fragment() {
             }
         })
 
-        viewModel.chatRoomCreatedEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.chatRoomCreatedEvent.observe(viewLifecycleOwner, {
             it.consume { chatRoom ->
                 if (findNavController().currentDestination?.id == R.id.detailCallLogFragment) {
                     val args = Bundle()
@@ -127,7 +126,7 @@ class DetailCallLogFragment : Fragment() {
             }
         })
 
-        viewModel.onErrorEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.onErrorEvent.observe(viewLifecycleOwner, {
             it.consume { messageResourceId ->
                 (activity as MainActivity).showSnackBar(messageResourceId)
             }

app/src/main/java/org/linphone/activities/main/history/fragments/MasterCallLogsFragment.kt

@@ -25,7 +25,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.core.content.ContextCompat
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.fragment.findNavController
 import androidx.recyclerview.widget.DividerItemDecoration
@@ -128,19 +127,19 @@ class MasterCallLogsFragment : MasterFragment() {
         val headerItemDecoration = RecyclerViewHeaderDecoration(adapter)
         binding.callLogsList.addItemDecoration(headerItemDecoration)
 
-        listViewModel.callLogs.observe(viewLifecycleOwner, Observer { callLogs ->
+        listViewModel.callLogs.observe(viewLifecycleOwner, { callLogs ->
             if (listViewModel.missedCallLogsSelected.value == false) {
                 adapter.submitList(callLogs)
             }
         })
 
-        listViewModel.missedCallLogs.observe(viewLifecycleOwner, Observer { callLogs ->
+        listViewModel.missedCallLogs.observe(viewLifecycleOwner, { callLogs ->
             if (listViewModel.missedCallLogsSelected.value == true) {
                 adapter.submitList(callLogs)
             }
         })
 
-        listViewModel.missedCallLogsSelected.observe(viewLifecycleOwner, Observer {
+        listViewModel.missedCallLogsSelected.observe(viewLifecycleOwner, {
             if (it) {
                 adapter.submitList(listViewModel.missedCallLogs.value)
             } else {
@@ -148,20 +147,20 @@ class MasterCallLogsFragment : MasterFragment() {
             }
         })
 
-        listViewModel.contactsUpdatedEvent.observe(viewLifecycleOwner, Observer {
+        listViewModel.contactsUpdatedEvent.observe(viewLifecycleOwner, {
             it.consume {
                 adapter.notifyDataSetChanged()
             }
         })
 
-        adapter.selectedCallLogEvent.observe(viewLifecycleOwner, Observer {
+        adapter.selectedCallLogEvent.observe(viewLifecycleOwner, {
             it.consume { callLog ->
                 sharedViewModel.selectedCallLogGroup.value = callLog
                 navigateToCallHistory()
             }
         })
 
-        adapter.startCallToEvent.observe(viewLifecycleOwner, Observer {
+        adapter.startCallToEvent.observe(viewLifecycleOwner, {
             it.consume { address ->
                 if (coreContext.core.callsNb > 0) {
                     Log.i("[History] Starting dialer with pre-filled URI ${address.asStringUriOnly()}, is transfer? ${sharedViewModel.pendingCallTransfer}")

app/src/main/java/org/linphone/activities/main/recordings/adapters/RecordingsListAdapter.kt

@@ -26,7 +26,6 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.databinding.DataBindingUtil
 import androidx.lifecycle.MutableLiveData
-import androidx.lifecycle.Observer
 import androidx.recyclerview.widget.DiffUtil
 import org.linphone.R
 import org.linphone.activities.main.recordings.viewmodels.RecordingViewModel
@@ -72,7 +71,7 @@ class RecordingsListAdapter(val selectionViewModel: ListTopBarViewModel) : Lifec
 
                 // This is for item selection through ListTopBarFragment
                 selectionListViewModel = selectionViewModel
-                selectionViewModel.isEditionEnabled.observe(this@ViewHolder, Observer {
+                selectionViewModel.isEditionEnabled.observe(this@ViewHolder, {
                     position = adapterPosition
                 })
 
@@ -82,7 +81,7 @@ class RecordingsListAdapter(val selectionViewModel: ListTopBarViewModel) : Lifec
                     }
                 }
 
-                recording.isVideoRecordingPlayingEvent.observe(this@ViewHolder, Observer {
+                recording.isVideoRecordingPlayingEvent.observe(this@ViewHolder, {
                     it.consume { value ->
                         if (value) {
                             recording.setTextureView(videoSurface)

app/src/main/java/org/linphone/activities/main/recordings/fragments/RecordingsFragment.kt

@@ -24,7 +24,6 @@ import android.view.LayoutInflater
 import android.view.MotionEvent
 import android.view.View
 import android.view.ViewGroup
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.fragment.findNavController
 import androidx.recyclerview.widget.DividerItemDecoration
@@ -80,7 +79,7 @@ class RecordingsFragment : MasterFragment() {
         val headerItemDecoration = RecyclerViewHeaderDecoration(adapter)
         binding.recordingsList.addItemDecoration(headerItemDecoration)
 
-        viewModel.recordingsList.observe(viewLifecycleOwner, Observer { recordings ->
+        viewModel.recordingsList.observe(viewLifecycleOwner, { recordings ->
             adapter.submitList(recordings)
         })
 
@@ -105,7 +104,7 @@ class RecordingsFragment : MasterFragment() {
             true
         }
 
-        adapter.isVideoRecordingPlayingEvent.observe(viewLifecycleOwner, Observer {
+        adapter.isVideoRecordingPlayingEvent.observe(viewLifecycleOwner, {
             it.consume { value ->
                 viewModel.isVideoVisible.value = value
             }

app/src/main/java/org/linphone/activities/main/settings/fragments/AccountSettingsFragment.kt

@@ -24,7 +24,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.fragment.findNavController
 import org.linphone.R
@@ -64,7 +63,7 @@ class AccountSettingsFragment : Fragment() {
         binding.setBackClickListener { findNavController().popBackStack() }
         binding.back.visibility = if (resources.getBoolean(R.bool.isTablet)) View.INVISIBLE else View.VISIBLE
 
-        viewModel.linkPhoneNumberEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.linkPhoneNumberEvent.observe(viewLifecycleOwner, {
             it.consume {
                 if (findNavController().currentDestination?.id == R.id.accountSettingsFragment) {
                     val authInfo = viewModel.proxyConfig.findAuthInfo()
@@ -84,7 +83,7 @@ class AccountSettingsFragment : Fragment() {
             }
         })
 
-        viewModel.proxyConfigRemovedEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.proxyConfigRemovedEvent.observe(viewLifecycleOwner, {
             it.consume {
                 sharedViewModel.proxyConfigRemoved.value = true
                 findNavController().navigateUp()

app/src/main/java/org/linphone/activities/main/settings/fragments/AdvancedSettingsFragment.kt

@@ -30,7 +30,6 @@ import android.view.ViewGroup
 import androidx.appcompat.app.AppCompatDelegate
 import androidx.core.content.ContextCompat
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.fragment.findNavController
 import org.linphone.R
@@ -64,7 +63,7 @@ class AdvancedSettingsFragment : Fragment() {
         binding.setBackClickListener { findNavController().popBackStack() }
         binding.back.visibility = if (resources.getBoolean(R.bool.isTablet)) View.INVISIBLE else View.VISIBLE
 
-        viewModel.setNightModeEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.setNightModeEvent.observe(viewLifecycleOwner, {
             it.consume { value ->
                 AppCompatDelegate.setDefaultNightMode(
                     when (value) {
@@ -78,7 +77,7 @@ class AdvancedSettingsFragment : Fragment() {
 
         viewModel.backgroundModeEnabled.value = !DeviceUtils.isAppUserRestricted(requireContext())
 
-        viewModel.goToBatterySettingsEvent.observe(viewLifecycleOwner, Observer { it.consume {
+        viewModel.goToBatterySettingsEvent.observe(viewLifecycleOwner, { it.consume {
             try {
                 val intent = Intent("android.settings.IGNORE_BATTERY_OPTIMIZATION_SETTINGS")
                 startActivity(intent)
@@ -88,7 +87,7 @@ class AdvancedSettingsFragment : Fragment() {
         } })
 
         viewModel.powerManagerSettingsVisibility.value = PowerManagerUtils.getDevicePowerManagerIntent(requireContext()) != null
-        viewModel.goToPowerManagerSettingsEvent.observe(viewLifecycleOwner, Observer { it.consume {
+        viewModel.goToPowerManagerSettingsEvent.observe(viewLifecycleOwner, { it.consume {
             val intent = PowerManagerUtils.getDevicePowerManagerIntent(requireActivity())
             if (intent != null) {
                 try {
@@ -99,7 +98,7 @@ class AdvancedSettingsFragment : Fragment() {
             }
         } })
 
-        viewModel.goToAndroidSettingsEvent.observe(viewLifecycleOwner, Observer { it.consume {
+        viewModel.goToAndroidSettingsEvent.observe(viewLifecycleOwner, { it.consume {
             val intent = Intent()
             intent.action = Settings.ACTION_APPLICATION_DETAILS_SETTINGS
             intent.addCategory(Intent.CATEGORY_DEFAULT)

app/src/main/java/org/linphone/activities/main/settings/fragments/AudioSettingsFragment.kt

@@ -27,7 +27,6 @@ import android.view.ViewGroup
 import androidx.databinding.DataBindingUtil
 import androidx.databinding.ViewDataBinding
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.fragment.findNavController
 import org.linphone.BR
@@ -63,14 +62,14 @@ class AudioSettingsFragment : Fragment() {
         binding.setBackClickListener { findNavController().popBackStack() }
         binding.back.visibility = if (resources.getBoolean(R.bool.isTablet)) View.INVISIBLE else View.VISIBLE
 
-        viewModel.askAudioRecordPermissionForEchoCancellerCalibrationEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.askAudioRecordPermissionForEchoCancellerCalibrationEvent.observe(viewLifecycleOwner, {
             it.consume {
                 Log.i("[Audio Settings] Asking for RECORD_AUDIO permission for echo canceller calibration")
                 requestPermissions(arrayOf(android.Manifest.permission.RECORD_AUDIO), 1)
             }
         })
 
-        viewModel.askAudioRecordPermissionForEchoTesterEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.askAudioRecordPermissionForEchoTesterEvent.observe(viewLifecycleOwner, {
             it.consume {
                 Log.i("[Audio Settings] Asking for RECORD_AUDIO permission for echo tester")
                 requestPermissions(arrayOf(android.Manifest.permission.RECORD_AUDIO), 2)

app/src/main/java/org/linphone/activities/main/settings/fragments/CallSettingsFragment.kt

@@ -28,7 +28,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.fragment.findNavController
 import org.linphone.R
@@ -61,7 +60,7 @@ class CallSettingsFragment : Fragment() {
         binding.setBackClickListener { findNavController().popBackStack() }
         binding.back.visibility = if (resources.getBoolean(R.bool.isTablet)) View.INVISIBLE else View.VISIBLE
 
-        viewModel.overlayEnabledEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.overlayEnabledEvent.observe(viewLifecycleOwner, {
             it.consume {
                 if (!Compatibility.canDrawOverlay(requireContext())) {
                     val intent = Intent("android.settings.action.MANAGE_OVERLAY_PERMISSION", Uri.parse("package:${requireContext().packageName}"))
@@ -70,7 +69,7 @@ class CallSettingsFragment : Fragment() {
             }
         })
 
-        viewModel.goToAndroidNotificationSettingsEvent.observe(viewLifecycleOwner, Observer { it.consume {
+        viewModel.goToAndroidNotificationSettingsEvent.observe(viewLifecycleOwner, { it.consume {
             if (Build.VERSION.SDK_INT >= Version.API26_O_80) {
                 val i = Intent()
                 i.action = Settings.ACTION_CHANNEL_NOTIFICATION_SETTINGS

app/src/main/java/org/linphone/activities/main/settings/fragments/ChatSettingsFragment.kt

@@ -27,7 +27,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.fragment.findNavController
 import org.linphone.R
@@ -60,7 +59,7 @@ class ChatSettingsFragment : Fragment() {
         binding.setBackClickListener { findNavController().popBackStack() }
         binding.back.visibility = if (resources.getBoolean(R.bool.isTablet)) View.INVISIBLE else View.VISIBLE
 
-        viewModel.launcherShortcutsEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.launcherShortcutsEvent.observe(viewLifecycleOwner, {
             it.consume { newValue ->
                 if (newValue) {
                     Compatibility.createShortcutsToChatRooms(requireContext())
@@ -70,7 +69,7 @@ class ChatSettingsFragment : Fragment() {
             }
         })
 
-        viewModel.goToAndroidNotificationSettingsEvent.observe(viewLifecycleOwner, Observer { it.consume {
+        viewModel.goToAndroidNotificationSettingsEvent.observe(viewLifecycleOwner, { it.consume {
             if (Build.VERSION.SDK_INT >= Version.API26_O_80) {
                 val i = Intent()
                 i.action = Settings.ACTION_CHANNEL_NOTIFICATION_SETTINGS

app/src/main/java/org/linphone/activities/main/settings/fragments/ContactsSettingsFragment.kt

@@ -25,7 +25,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.fragment.findNavController
 import org.linphone.LinphoneApplication.Companion.coreContext
@@ -61,7 +60,7 @@ class ContactsSettingsFragment : Fragment() {
         binding.setBackClickListener { findNavController().popBackStack() }
         binding.back.visibility = if (resources.getBoolean(R.bool.isTablet)) View.INVISIBLE else View.VISIBLE
 
-        viewModel.launcherShortcutsEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.launcherShortcutsEvent.observe(viewLifecycleOwner, {
             it.consume { newValue ->
                 if (newValue) {
                     Compatibility.createShortcutsToContacts(requireContext())
@@ -74,7 +73,7 @@ class ContactsSettingsFragment : Fragment() {
             }
         })
 
-        viewModel.askWriteContactsPermissionForPresenceStorageEvent.observe(viewLifecycleOwner, Observer {
+        viewModel.askWriteContactsPermissionForPresenceStorageEvent.observe(viewLifecycleOwner, {
             it.consume {
                 Log.i("[Contacts Settings] Asking for WRITE_CONTACTS permission to be able to store presence")
                 requestPermissions(arrayOf(android.Manifest.permission.WRITE_CONTACTS), 1)

app/src/main/java/org/linphone/activities/main/settings/fragments/SettingsFragment.kt

@@ -24,7 +24,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.fragment.findNavController
 import org.linphone.activities.main.*
@@ -65,7 +64,7 @@ class SettingsFragment : Fragment() {
 
         binding.setBackClickListener { findNavController().popBackStack() }
 
-        sharedViewModel.proxyConfigRemoved.observe(viewLifecycleOwner, Observer {
+        sharedViewModel.proxyConfigRemoved.observe(viewLifecycleOwner, {
             Log.i("[Settings] Proxy config removed, update accounts list")
             viewModel.updateAccountsList()
         })

app/src/main/java/org/linphone/activities/main/settings/viewmodels/VideoSettingsViewModel.kt

@@ -152,7 +152,7 @@ class VideoSettingsViewModel : GenericSettingsViewModel() {
         }
 
         videoSizeLabels.value = labels
-        videoSizeIndex.value = labels.indexOf(core.preferredVideoDefinition?.name)
+        videoSizeIndex.value = labels.indexOf(core.preferredVideoDefinition.name)
     }
 
     private fun initVideoPresetList() {

app/src/main/java/org/linphone/activities/main/sidemenu/fragments/SideMenuFragment.kt

@@ -29,7 +29,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.lifecycle.lifecycleScope
 import androidx.navigation.fragment.findNavController
@@ -76,7 +75,7 @@ class SideMenuFragment : Fragment() {
             ViewModelProvider(this).get(SharedMainViewModel::class.java)
         } ?: throw Exception("Invalid Activity")
 
-        sharedViewModel.proxyConfigRemoved.observe(viewLifecycleOwner, Observer {
+        sharedViewModel.proxyConfigRemoved.observe(viewLifecycleOwner, {
             Log.i("[Side Menu] Proxy config removed, update accounts list")
             viewModel.updateAccountsList()
         })

app/src/main/java/org/linphone/compatibility/Api30Compatibility.kt

@@ -20,23 +20,20 @@
 package org.linphone.compatibility
 
 import android.annotation.TargetApi
-import android.app.*
-import android.app.usage.UsageStatsManager
 import android.content.Context
+import android.content.pm.ShortcutManager
+import org.linphone.core.ChatRoom
 
-@TargetApi(28)
+@TargetApi(30)
-class Api28Compatibility {
+class Api30Compatibility {
     companion object {
-        fun isAppUserRestricted(context: Context): Boolean {
+        fun removeChatRoomShortcut(context: Context, chatRoom: ChatRoom) {
-            val activityManager =
+            val peerAddress = chatRoom.peerAddress.asStringUriOnly()
-                context.getSystemService(Context.ACTIVITY_SERVICE) as ActivityManager
+            val localAddress = chatRoom.localAddress.asStringUriOnly()
-            return activityManager.isBackgroundRestricted
-        }
 
-        fun getAppStandbyBucket(context: Context): Int {
+            val shortcutManager = context.getSystemService(ShortcutManager::class.java)
-            val usageStatsManager =
+            val shortcutsToRemoveList = arrayListOf("$localAddress#$peerAddress")
-                context.getSystemService(Context.USAGE_STATS_SERVICE) as UsageStatsManager
+            shortcutManager.removeLongLivedShortcuts(shortcutsToRemoveList)
-            return usageStatsManager.appStandbyBucket
         }
     }
 }

app/src/main/java/org/linphone/compatibility/Compatibility.kt

@@ -139,7 +139,7 @@ class Compatibility {
 
         fun removeChatRoomShortcut(context: Context, chatRoom: ChatRoom) {
             if (Version.sdkAboveOrEqual(Version.API30_ANDROID_11)) {
-                // TODO Use removeLongLivedShortcuts()
+                Api30Compatibility.removeChatRoomShortcut(context, chatRoom)
             }
         }
 

app/src/main/java/org/linphone/utils/PhoneNumberUtils.kt

@@ -39,7 +39,7 @@ class PhoneNumberUtils {
             return null
         }
 
-        @SuppressLint("MissingPermission")
+        @SuppressLint("MissingPermission", "HardwareIds")
         fun getDevicePhoneNumber(context: Context): String? {
             if (PermissionHelper.get().hasReadPhoneState()) {
                 try {

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

@@ -105,17 +105,12 @@
                         android:layout_below="@id/select_country_label"/>
 
                     <LinearLayout
-                        android:orientation="vertical"
+                        android:orientation="horizontal"
                         android:layout_marginTop="10dp"
                         android:layout_width="match_parent"
                         android:layout_height="wrap_content"
                         android:layout_below="@id/select_country">
 
-                        <LinearLayout
-                            android:orientation="horizontal"
-                            android:layout_width="match_parent"
-                            android:layout_height="wrap_content">
-
                         <com.google.android.material.textfield.TextInputLayout
                             android:layout_width="100dp"
                             android:layout_height="wrap_content"
@@ -154,8 +149,6 @@
 
                     </LinearLayout>
 
-                    </LinearLayout>
-
                 </RelativeLayout>
 
                 <LinearLayout
@@ -212,7 +205,7 @@
                     <TextView
                         android:onClick="@{forgotPasswordClickListener}"
                         android:textColor="?attr/accentColor"
-                        android:textSize="8sp"
+                        android:textSize="12sp"
                         android:layout_width="match_parent"
                         android:layout_height="wrap_content"
                         android:layout_gravity="right"

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

@@ -119,11 +119,6 @@
 
                 </com.google.android.material.textfield.TextInputLayout>
 
-                <LinearLayout
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:orientation="vertical">
-
                 <RadioGroup
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
@@ -168,8 +163,6 @@
 
                 </RadioGroup>
 
-                </LinearLayout>
-
                 <TextView
                     android:onClick="@{() -> viewModel.createProxyConfig()}"
                     android:enabled="@{viewModel.loginEnabled, default=false}"

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

@@ -9,16 +9,12 @@
             type="org.linphone.activities.call.viewmodels.StatisticsListViewModel" />
     </data>
 
-    <RelativeLayout
+    <ScrollView
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:background="?attr/backgroundColor"
         android:clickable="true">
 
-        <ScrollView
-            android:layout_width="match_parent"
-            android:layout_height="match_parent">
-
         <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
@@ -29,6 +25,4 @@
 
     </ScrollView>
 
-    </RelativeLayout>
-
 </layout>

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

@@ -48,6 +48,7 @@
             android:layout_width="20dp"
             android:layout_height="20dp"
             android:src="@drawable/recording_play_pause"
+            android:contentDescription="@string/content_description_chat_message_video_attachment"
             android:layout_centerInParent="true"/>
 
         <ImageView

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

@@ -43,13 +43,14 @@
             android:layout_width="20dp"
             android:layout_height="20dp"
             android:src="@drawable/recording_play_pause"
+            android:contentDescription="@string/content_description_chat_message_video_attachment"
             android:layout_centerInParent="true"/>
 
         <TextView
             android:onClick="@{() -> data.openFile()}"
             android:onLongClick="@{longClickListener}"
             android:textColor="?attr/secondaryTextColor"
-            android:textSize="11.7sp"
+            android:textSize="12sp"
             android:fontFamily="sans-serif"
             android:textStyle="normal"
             android:text="@{data.content.name}"

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

@@ -161,7 +161,7 @@
                     android:layout_height="wrap_content"
                     android:layout_marginRight="5dp"
                     android:textColor="@color/primary_color"
-                    android:textSize="10sp"
+                    android:textSize="12sp"
                     android:fontFamily="sans-serif"
                     android:textStyle="normal"
                     android:lineSpacingExtra="3.3sp" />

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

@@ -62,7 +62,7 @@
                     android:contentDescription="@string/content_description_e2e_encryption_disabled"
                     android:src="@drawable/security_toogle_icon_grey"/>
 
-                <Switch
+                <com.google.android.material.switchmaterial.SwitchMaterial
                     android:checked="@={viewModel.isEncrypted}"
                     android:layout_width="50dp"
                     android:layout_height="match_parent"

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

@@ -51,6 +51,7 @@
                 android:adjustViewBounds="true"
                 android:padding="10dp"
                 android:src="@drawable/avatar"
+                android:contentDescription="@string/content_description_change_own_picture"
                 glideAvatarFallback="@{viewModel.defaultAccountAvatar}" />
 
             <ImageView

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

@@ -44,7 +44,7 @@
         <item quantity="one">%d day</item>
         <item quantity="other">%d days</item>
     </plurals>
-    <string name="share_uploaded_logs_link">Share logs link using...</string>
+    <string name="share_uploaded_logs_link">Share logs link using…</string>
 
     <!-- Errors -->
     <string name="invalid_email">Invalid email</string>
@@ -640,6 +640,7 @@
     <string name="content_description_cancel_contact_edit">Discard changes</string>
     <string name="content_description_confirm_contact_edit">Save changes</string>
     <string name="content_description_change_contact_picture">Change contact picture</string>
+    <string name="content_description_change_own_picture">Change own picture</string>
     <string name="content_description_call_direction">Call direction</string>
     <string name="content_description_show_call_details">Go to call details</string>
     <string name="content_description_exit_edition_mode">Quit edition mode</string>
@@ -687,4 +688,5 @@
     <string name="content_description_call_secured">Call is secured</string>
     <string name="content_description_call_security_pending">Call security is pending</string>
     <string name="content_description_toggle_call_stats">Show or hide call statistics</string>
+    <string name="content_description_chat_message_video_attachment">Video attachment</string>
 </resources>

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

@@ -98,11 +98,6 @@
         <item name="android:textSize">18sp</item>
     </style>
 
-    <style name="contact_edit_form_font" parent="@android:style/TextAppearance.Medium">
-        <item name="android:textColor">?attr/primaryTextColor</item>
-        <item name="android:textSize">18sp</item>
-    </style>
-
     <style name="big_contact_name_font" parent="@android:style/TextAppearance.Medium">
         <item name="android:textColor">?attr/primaryTextColor</item>
         <item name="android:textSize">30sp</item>