Android--Alarm,定时闹钟

package com.example.test0125;import java.util.Calendar;import android.app.Activity;import android.app.AlarmManager;import android.app.PendingIntent;import android.content.Context;import android.content.Intent;import android.os.Bundle;/** * Alarm,定时闹钟 * @author ZLQ * */public class TestAlarm extends Activity {protected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);//通过 getSystemService取得服务AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);Calendar ca = Calendar.getInstance();ca.set(Calendar.YEAR, 2013);ca.set(Calendar.MONTH, 0);ca.set(Calendar.DATE, 25);ca.set(Calendar.HOUR_OF_DAY, 16);ca.set(Calendar.MINUTE, 35);ca.set(Calendar.SECOND, 0);//取得1970-1-1 0:0 ~目标时间 之间的毫秒数long time = ca.getTimeInMillis();// PendingIntent升级版的Intent, 普通Intent是马上执行的// PendingIntent是在某一个事件触发了之后才去执行的一个IntentIntent in = new Intent();in.setClass(this, TestAG.class);//PendingIntent.getActivity(Context context, int requestCode, Intent intent, int flags)PendingIntent pen = PendingIntent.getActivity(this, 1, in, 0);//时间一到就会触发pen，跳转到TestAG.classam.set(AlarmManager.RTC_WAKEUP, time, pen);//设置隔过久时间再响// am.setRepeating(type, triggerAtTime, interval, operation)//取消响铃// am.cancel(operation)}}
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