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first_project/src/精读UI包/AlarmReceiver.java

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/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* 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 net.micode.notes.ui;
import android.content.BroadcastReceiver; //接受来自系统和应用的广播并对其进行响应的组件
import android.content.Context; //翻译上下文环境
import android.content.Intent; //解决应用的各项组件之间的通讯
//这个类是实现alarm这个功能最接近用户层的包
//具体的作用还要深究setClass和addFlags
public class AlarmReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
//启动AlarmAlertActivity
intent.setClass(context, AlarmAlertActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);
}
}