solve ktlint + detekt warnings

Signed-off-by: Marcel Hibbe <dev@mhibbe.de>

app/src/main/java/com/nextcloud/talk/activities/CallActivity.kt

@@ -1069,6 +1069,7 @@ class CallActivity : CallBaseActivity() {
         }
     }
 
+    @Suppress("Detekt.NestedBlockDepth")
     private fun sendIsSpeakingMessage(isSpeaking: Boolean) {
         val isSpeakingMessage: String =
             if (isSpeaking) SIGNALING_MESSAGE_SPEAKING_STARTED else SIGNALING_MESSAGE_SPEAKING_STOPPED
@@ -1234,10 +1235,10 @@ class CallActivity : CallBaseActivity() {
     private fun toggleMedia(enable: Boolean, video: Boolean) {
         var message: String
         if (video) {
-            message = "videoOff"
+            message = SIGNALING_MESSAGE_VIDEO_OFF
             if (enable) {
                 binding!!.cameraButton.alpha = OPACITY_ENABLED
-                message = "videoOn"
+                message = SIGNALING_MESSAGE_VIDEO_ON
                 startVideoCapture()
             } else {
                 binding!!.cameraButton.alpha = OPACITY_DISABLED
@@ -1258,9 +1259,9 @@ class CallActivity : CallBaseActivity() {
                 binding!!.selfVideoRenderer.visibility = View.INVISIBLE
             }
         } else {
-            message = "audioOff"
+            message = SIGNALING_MESSAGE_AUDIO_OFF
             if (enable) {
-                message = "audioOn"
+                message = SIGNALING_MESSAGE_AUDIO_ON
                 binding!!.microphoneButton.alpha = OPACITY_ENABLED
             } else {
                 binding!!.microphoneButton.alpha = OPACITY_DISABLED
@@ -3050,7 +3051,7 @@ class CallActivity : CallBaseActivity() {
                 val newX = event.rawX - binding!!.selfVideoViewWrapper.width / 2f
                 binding!!.selfVideoViewWrapper.y = newY
                 binding!!.selfVideoViewWrapper.x = newX
-            } else if (event.actionMasked == MotionEvent.ACTION_UP && duration < 100) {
+            } else if (event.actionMasked == MotionEvent.ACTION_UP && duration < SWITCH_CAMERA_THRESHOLD_DURATION) {
                 switchCamera()
             }
             return true
@@ -3084,11 +3085,17 @@ class CallActivity : CallBaseActivity() {
         const val CALL_DURATION_EMPTY = "--:--"
         const val API_RETRIES: Long = 3
 
+        const val SWITCH_CAMERA_THRESHOLD_DURATION = 100
+
         private const val SAMPLE_RATE = 8000
         private const val MICROPHONE_VALUE_THRESHOLD = 20
         private const val MICROPHONE_VALUE_SLEEP: Long = 1000
 
         private const val SIGNALING_MESSAGE_SPEAKING_STARTED = "speaking"
         private const val SIGNALING_MESSAGE_SPEAKING_STOPPED = "stoppedSpeaking"
+        private const val SIGNALING_MESSAGE_VIDEO_ON = "videoOn"
+        private const val SIGNALING_MESSAGE_VIDEO_OFF = "videoOff"
+        private const val SIGNALING_MESSAGE_AUDIO_ON = "audioOn"
+        private const val SIGNALING_MESSAGE_AUDIO_OFF = "audioOff"
     }
 }

app/src/main/java/com/nextcloud/talk/shareditems/adapters/SharedItemsViewHolder.kt

@@ -93,7 +93,7 @@ abstract class SharedItemsViewHolder(
             item.id,
             item.mimeType,
             true,
-            FileViewerUtils.ProgressUi(progressBar, null, image),
+            FileViewerUtils.ProgressUi(progressBar, null, image)
         )
     }
 

app/src/main/java/com/nextcloud/talk/utils/FileViewerUtils.kt

@@ -358,9 +358,11 @@ class FileViewerUtils(private val context: Context, private val user: User) {
                 if (progressUi.previewImage.isShown && openWhenDownloaded) {
                     openFileByMimetype(fileName, mimetype)
                 } else {
-                    Log.d(TAG, "file " + fileName +
-                        " was downloaded but it's not opened because view is not shown on screen or " +
-                        "openWhenDownloaded is false"
+                    Log.d(
+                        TAG,
+                        "file " + fileName +
+                            " was downloaded but it's not opened because view is not shown on screen or " +
+                            "openWhenDownloaded is false"
                     )
                 }
                 progressUi.messageText?.text = fileName

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

@@ -33,7 +33,8 @@
         android:layout_marginStart="@dimen/standard_margin"
         android:layout_marginTop="@dimen/standard_eighth_margin"
         android:layout_marginEnd="@dimen/standard_margin"
-        android:layout_marginBottom="@dimen/standard_eighth_margin">
+        android:layout_marginBottom="@dimen/standard_eighth_margin"
+        tools:ignore="UselessParent">
 
         <ImageView
             android:id="@+id/expandCollapseIcon"