private void moveToRight() { int buttonId = 0; switch (mHandler.currentNavigation) { case R.id.device_button: mHandler.loadBrowseDir(); buttonId = R.id.video_button; break; case R.id.video_button: buttonId = R.id.picture_button; break; case R.id.picture_button: buttonId = R.id.music_button; break; case R.id.music_button: buttonId = R.id.file_button; break; case R.id.file_button: mHandler.saveBrowseDir(); buttonId = R.id.device_button; break; } Button bt = (Button) findViewById(buttonId); mHandler.currentNavigation = buttonId; delayToRefresh(); mHandler.setButtonSelected(bt); }