/*
 * 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.
 */

// 包声明，表明该类所在的包名为net.micode.notes.ui
package net.micode.notes.ui;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;

// AlarmReceiver类继承自BroadcastReceiver，用于接收广播消息，并在接收到广播后进行相应的操作，这里主要是启动相关的Activity
public class AlarmReceiver extends BroadcastReceiver {
    // 重写BroadcastReceiver的onReceive方法，当该广播接收器接收到广播时，此方法会被调用，用于处理具体的业务逻辑
    @Override
    public void onReceive(Context context, Intent intent) {
        // 将传入的Intent的目标组件设置为AlarmAlertActivity.class，也就是指定当这个广播触发后，要启动的Activity是AlarmAlertActivity
        intent.setClass(context, AlarmAlertActivity.class);
        // 给Intent添加一个标志位，FLAG_ACTIVITY_NEW_TASK，表示以新任务的形式启动Activity。
        // 这通常是在从广播接收器启动Activity时需要添加的，因为广播接收器没有自己的任务栈，需要明确告知系统以新任务来启动Activity
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        // 通过传入的Context对象启动设置好的Activity，使得应用能够从接收到广播的这个逻辑跳转到对应的AlarmAlertActivity，展示闹钟提醒相关的界面等内容
        context.startActivity(intent);
    }
}