Intro am Anfang der App abspielen

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:background="@color/mainBgColorWhite"
    >


    <VideoView
        android:id="@+id/videoView"
        android:layout_height="wrap_content"
        android:layout_width="match_parent"
        android:layout_centerVertical="true"
        android:layout_centerHorizontal="true"
        />
</RelativeLayout>

setContentView(R.layout.splash);                          //  ruft splash.xml auf


    final VideoView videoHolder = (VideoView) findViewById(R.id.videoView);


    getWindow().setFormat(PixelFormat.TRANSLUCENT);
//    if you want the controls to appear
//    videoHolder.setMediaController(new MediaController(this));
    Uri video;
    if (Variables.isTablet || (this.getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE)) {
      video = Uri.parse("android.resource://" + getPackageName() + "/" + R.raw.introHD);
    }
    else {
      video = Uri.parse("android.resource://" + getPackageName() + "/" + R.raw.intro);
    }


    videoHolder.setVideoURI(video);
    videoHolder.start();


    videoHolder.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
      @Override
      public void onCompletion(MediaPlayer mp) {
        Intent intentOpenLoginActivity = new Intent(ActivitySplash.this, Login.class);    //wir machen ein neues Intent mit dem action name von MainActivity
        startActivity(intentOpenLoginActivity);                                           //wir starten mit dem ActionName im Intent die MainActivity
      }
    });


    videoHolder.setOnTouchListener(new View.OnTouchListener() {
                                     @Override
                                     public boolean onTouch(View v, MotionEvent event) {
                                       switch (event.getAction() & MotionEvent.ACTION_MASK) {
                                         case MotionEvent.ACTION_DOWN:
                                           break;
                                         case MotionEvent.ACTION_POINTER_DOWN:
                                           break;
                                         case MotionEvent.ACTION_MOVE:
                                           videoHolder.stopPlayback();
                                           if (firstTime) {
                                             firstTime = false;
                                             Intent intentOpenLoginActivity = new Intent(ActivitySplash.this, Login.class);    //wir machen ein neues Intent mit dem action name von MainActivity
                                             startActivity(intentOpenLoginActivity);                                           //wir starten mit dem ActionName im Intent die MainActivity
                                           }
                                           break;
                                         case MotionEvent.ACTION_UP:
                                           break;
                                         case MotionEvent.ACTION_POINTER_UP:
                                           break;
                                       }
                                       return true;    //  ganz wichtig ! muss auf TRUE sein
                                     }
                                   }


    );