?? alarmpreference.java
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/* * 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; }}
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