add content description to buttons

Signed-off-by: sowjanyakch <[email protected]>

Author: sowjanyakch

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

@@ -131,7 +131,7 @@
             android:layout_marginEnd="@dimen/standard_double_margin"
             android:scaleType="centerInside"
             android:src="@drawable/ic_send"
-            android:contentDescription="@null"
+            android:contentDescription="@string/nc_send_voice_message"
             android:background="?android:attr/selectableItemBackgroundBorderless"
             android:visibility="gone" />
 
@@ -147,7 +147,7 @@
             android:scaleType="centerInside"
             android:layout_alignParentStart="true"
             android:src="@drawable/ic_baseline_mic_red_24"
-            android:contentDescription="@null"
+            android:contentDescription="@string/nc_microphone_enabled_audio_recording"
             android:visibility="gone"
             tools:visibility="gone" />
 

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

@@ -299,6 +299,7 @@ How to translate with transifex:
     <string name="nc_camera_permission_hint">To enable video communication please grant \"Camera\" permission.</string>
     <string name="nc_microphone_permission_hint">To enable voice communication please grant \"Microphone\" permission.</string>
     <string name="nc_bluetooth_permission_hint">To enable bluetooth speakers please grant \"Nearby devices\" permission.</string>
+    <string name="nc_microphone_enabled_audio_recording">Microphone is enabled and audio is recording</string>
 
     <!-- Call -->
     <string name="nc_call_voice">%s voice call</string>
@@ -452,6 +453,7 @@ How to translate with transifex:
         <item quantity="one">See %d similar message</item>
         <item quantity="other">See %d similar messages</item>
     </plurals>
+    <string name="nc_send_voice_message">Send voice message</string>
 
     <!-- Conversation info guest access -->
     <string name="nc_guest_access">Guest access</string>