Show list of tone on the device.

ToneUtil.java

public final class ToneUtil {

	private static final int DEFAULT_INDEX = 0;
	private final static List<String> sTones = new ArrayList<String>();
	private final static List<Uri> sUris = new ArrayList<Uri>();


	public interface OnPostToneSearchingListener {

		void onPostToneSearching();
	}

	public interface OnToneSelectedListener {

		void onToneSelectedListener(Uri _uri, String _name);
	}

	public interface OnNoToneSelectedListener {

		void onNoToneSelected();
	}


	private Context mContext;


	public ToneUtil(Context _context) {
		RingtoneManager ringtoneMgr = new RingtoneManager(_context);
		ringtoneMgr.setType(RingtoneManager.TYPE_NOTIFICATION);
		Cursor alarmsCursor = ringtoneMgr.getCursor();
		int alarmsCount = alarmsCursor.getCount();
		if (alarmsCount == 0 && !alarmsCursor.moveToFirst()) {
		} else {
			while (!alarmsCursor.isAfterLast() && alarmsCursor.moveToNext()) {
				int currentPosition = alarmsCursor.getPosition();
				sTones.add(ringtoneMgr.getRingtone(currentPosition).getTitle(_context));
				sUris.add(ringtoneMgr.getRingtoneUri(currentPosition));
			}
			alarmsCursor.close();
		}
		mContext = _context;
	}


	public String getToneName(Uri _uri) {
		return RingtoneManager.getRingtone(mContext, _uri).getTitle(mContext);
	}


	public int getIndex(Uri _uri) {
		if (_uri == null) {
			return DEFAULT_INDEX;
		} else {
			RingtoneManager ringtoneMgr = new RingtoneManager(mContext);
			ringtoneMgr.setType(RingtoneManager.TYPE_NOTIFICATION);
			return ringtoneMgr.getRingtonePosition(_uri);
		}
	}


	public void showToneList(Context _context, int _preSelected,
			OnPostToneSearchingListener _onPostToneSearchingListener,
			final OnToneSelectedListener _onToneSelectedListener,
			final OnNoToneSelectedListener _onNoToneSelectedListener) {
		AlertDialog.Builder builder = new AlertDialog.Builder(_context);
		ListView toneList = new ListView(_context);
		TextView head = (TextView) View.inflate(_context, android.R.layout.simple_list_item_1, null);
		head.setText("None");
		toneList.addHeaderView(head);
		ArrayAdapter<String> modeAdapter = new ArrayAdapter<String>(_context, android.R.layout.simple_list_item_1,
				android.R.id.text1, sTones);
		toneList.setAdapter(modeAdapter);
		builder.setView(toneList);
		final Dialog dialog = builder.create();
		dialog.show();
		_onPostToneSearchingListener.onPostToneSearching();
		toneList.setOnItemClickListener(new OnItemClickListener() {

			@Override
			public void onItemClick(AdapterView<?> _arg0, View _arg1, final int _location, long _arg3) {
				if (_onToneSelectedListener != null) {
					int location = _location - 1;
					_onToneSelectedListener.onToneSelectedListener(sUris.get(location), sTones.get(location));
				}
				dialog.dismiss();
			}
		});
		head.setGravity(Gravity.CENTER);
		head.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View _v) {
				if (_onNoToneSelectedListener != null) {
					_onNoToneSelectedListener.onNoToneSelected();
				}
				dialog.dismiss();
			}
		});
	}
}