Disable attach file & voice messages in chat if no file transfer server URL is set

app/src/main/java/org/linphone/activities/main/chat/viewmodels/ChatMessageSendingViewModel.kt

@@ -107,6 +107,8 @@ class ChatMessageSendingViewModel(private val chatRoom: ChatRoom) : ViewModel()
 
     val isEmojiPickerVisible = MutableLiveData<Boolean>()
 
+    val isFileTransferAvailable = MutableLiveData<Boolean>()
+
     val requestKeyboardHidingEvent: MutableLiveData<Event<Boolean>> by lazy {
         MutableLiveData<Event<Boolean>>()
     }
@@ -146,6 +148,7 @@ class ChatMessageSendingViewModel(private val chatRoom: ChatRoom) : ViewModel()
         sendMessageEnabled.value = false
         isEmojiPickerOpen.value = false
         isEmojiPickerVisible.value = corePreferences.showEmojiPickerButton
+        isFileTransferAvailable.value = LinphoneUtils.isFileTransferAvailable()
         updateChatRoomReadOnlyState()
     }
 

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

@@ -288,6 +288,11 @@ class LinphoneUtils {
             return true
         }
 
+        fun isFileTransferAvailable(): Boolean {
+            val core = coreContext.core
+            return core.fileTransferServer.orEmpty().isNotEmpty()
+        }
+
         fun hashPassword(
             userId: String,
             password: String,

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

@@ -44,6 +44,7 @@
     <RelativeLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent"
+        android:background="?attr/backgroundColor"
         android:clickable="true">
 
         <LinearLayout

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

@@ -34,7 +34,8 @@
     <RelativeLayout
         android:layout_width="@dimen/master_fragment_width"
         android:layout_height="match_parent"
-        android:layout_gravity="start">
+        android:layout_gravity="start"
+        android:background="?attr/backgroundColor">
 
         <LinearLayout
             android:id="@+id/top_bar"

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

@@ -126,7 +126,7 @@
             android:layout_height="0dp"
             android:layout_marginStart="@dimen/chat_message_sending_icons_margin"
             android:contentDescription="@string/content_description_attach_file"
-            android:enabled="@{chatSendingViewModel.attachFileEnabled && !chatSendingViewModel.attachFilePending}"
+            android:enabled="@{chatSendingViewModel.attachFileEnabled && !chatSendingViewModel.attachFilePending && chatSendingViewModel.isFileTransferAvailable}"
             android:onClick="@{attachFileClickListener}"
             android:paddingTop="@dimen/chat_message_sending_icons_margin"
             android:paddingBottom="@dimen/chat_message_sending_icons_margin"
@@ -147,6 +147,7 @@
             android:paddingTop="@dimen/chat_message_sending_icons_margin"
             android:paddingBottom="@dimen/chat_message_sending_icons_margin"
             android:selected="@{chatSendingViewModel.isVoiceRecording}"
+            android:enabled="@{chatSendingViewModel.isFileTransferAvailable}"
             android:src="@drawable/record_audio_message"
             app:layout_constraintHeight_max="@dimen/chat_message_sending_icons_size"
             app:layout_constraintBottom_toBottomOf="@id/message"

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

@@ -31,6 +31,7 @@
         <RelativeLayout
             android:layout_width="@dimen/master_fragment_width"
             android:layout_height="match_parent"
+            android:background="?attr/backgroundColor"
             android:layout_gravity="start">
 
             <LinearLayout

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

@@ -23,6 +23,7 @@
         <RelativeLayout
             android:layout_width="@dimen/master_fragment_width"
             android:layout_height="match_parent"
+            android:background="?attr/backgroundColor"
             android:layout_gravity="start">
 
             <LinearLayout

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

@@ -20,6 +20,7 @@
         <RelativeLayout
             android:layout_width="@dimen/master_fragment_width"
             android:layout_height="match_parent"
+            android:background="?attr/backgroundColor"
             android:layout_gravity="start">
 
             <LinearLayout