Fix speakerphone icon

Signed-off-by: Mario Danic <mario@lovelyhq.com>

app/build.gradle

@@ -38,8 +38,8 @@ android {
         targetSdkVersion 28
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
-        versionCode 97
-        versionName "6.0.4"
+        versionCode 98
+        versionName "6.0.5"
 
         flavorDimensions "default"
         renderscriptTargetApi 19

app/src/main/java/com/nextcloud/talk/controllers/CallController.java

@@ -582,6 +582,11 @@ public class CallController extends BaseController {
     public void onEnableSpeakerphoneClick() {
         if (audioManager != null) {
             audioManager.toggleUseSpeakerphone();
+            if (audioManager.isSpeakerphoneAutoOn()) {
+                callControlEnableSpeaker.getHierarchy().setPlaceholderImage(R.drawable.ic_volume_up_white_24dp);
+            } else {
+                callControlEnableSpeaker.getHierarchy().setPlaceholderImage(R.drawable.ic_volume_mute_white_24dp);
+            }
         }
     }