Refactor code to remove redundancy and swtich with no default

Author: brarcher

app/src/main/java/videoeditor/bhuvnesh/com/ffmpegvideoeditor/activity/MainActivity.java

@@ -286,24 +286,17 @@ private void getAudioPermission() {
     @Override
     public void onRequestPermissionsResult(int requestCode,
                                            String permissions[], int[] grantResults) {
-        switch (requestCode) {
-            case READ_WRITE_PERMISSION_REQUEST: {
-
-                if (grantResults.length > 0
-                        && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
-                    uploadVideo();
-                }
+        if(grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED)
+        {
+            if(requestCode == READ_WRITE_PERMISSION_REQUEST)
+            {
+                uploadVideo();
             }
-            break;
-            case AUDIO_PERMISSION_REQUEST: {
 
-                if (grantResults.length > 0
-                        && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
-                    extractAudioVideo();
-                }
+            if(requestCode == AUDIO_PERMISSION_REQUEST)
+            {
+                extractAudioVideo();
             }
-
-
         }
     }