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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;
import android.content.Context;
import android.content.Intent;
/**
* 闹钟触发广播接收器
* 核心功能:响应便签提醒闹钟触发事件
* 工作流程接收到闹钟触发广播后启动提醒界面Activity
* 设计特点:
* - 支持在后台启动Activity添加NEW_TASK标志
* - 传递完整意图参数至提醒界面
*/
public class AlarmReceiver extends BroadcastReceiver {
/**
* 广播接收处理逻辑
* @param context 应用上下文用于启动Activity
* @param intent 触发广播的意图包含便签URI等参数
*/
@Override
public void onReceive(Context context, Intent intent) {
// 构建提醒界面启动意图
Intent alertIntent = new Intent(intent); // 复制原始意图参数
alertIntent.setClass(context, AlarmAlertActivity.class); // 指定启动提醒界面
// 添加必要标志位确保Activity正确启动
alertIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); // 在新任务栈中启动
// 启动提醒界面由于在广播中启动Activity必须使用NEW_TASK标志
context.startActivity(alertIntent);
}
}