/* * Copyright (C) 2008 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * *      http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */package com.android.alarmclock;import android.content.Context;import android.net.Uri;import android.preference.RingtonePreference;import android.util.AttributeSet;public class AlarmPreference extends RingtonePreference {    public Uri mAlert;    private IRingtoneChangedListener mRingtoneChangedListener;    public interface IRingtoneChangedListener {        public void onRingtoneChanged(Uri ringtoneUri);    };    public AlarmPreference(Context context, AttributeSet attrs) {        super(context, attrs);    }    public void setRingtoneChangedListener(IRingtoneChangedListener listener) {        mRingtoneChangedListener = listener;    }    @Override    protected void onSaveRingtone(Uri ringtoneUri) {        if (ringtoneUri != null) {            mAlert = ringtoneUri;            if (mRingtoneChangedListener != null) {                mRingtoneChangedListener.onRingtoneChanged(ringtoneUri);            }        }    }    @Override    protected Uri onRestoreRingtone() {        return mAlert;    }}