@Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. int id = item.getItemId(); switch (id) { case R.id.with_action_search: File d = new File("/storage/emulated/0/DCIM/Camera/"); File d1 = new File("/storage/emulated/0/DCIM/"); for (File file1 : d.listFiles()) { Log.i(thisClass, file1.getName()); } for (File file1 : d1.listFiles()) { Log.i(thisClass, file1.getName()); } break; case R.id.with_action_add: // show chooser to show file Intent intent = IntentUtil.intentWithChooser(this, Intent.ACTION_GET_CONTENT); if (IntentUtil.intentSafe(intent, this)) { startActivityForResult(intent, PICK_FILE_REQUEST_CODE); Log.i(thisClass, "when will app run to here"); } else { // remind use that no apps to open to add Intent remind = new Intent(this, RemindDialog.class); remind.putExtra(RemindDialog.REMIND_MSG, "no app to get content"); startActivity(remind); } break; case R.id.with_action_settings: break; } return super.onOptionsItemSelected(item); }