Android -- 闹钟服务的使用(单次闹钟)
1. 效果图
2. 实现代码
public class firstActivity extends Activity { private static final String AM_ACTION = "iflab.test.AM_ACTION"; // ACTION常量 @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); Button btn1 = (Button) findViewById(R.id.button1); // 获取对象 final AlarmManager alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE);// 获取系统服务 Intent intent = new Intent(); // Intent对象 intent.setAction(AM_ACTION); // 设置Action intent.putExtra("message", "该下班啦!"); // 传递字符串 final PendingIntent pendingIntent = PendingIntent.getBroadcast( firstActivity.this, 0, intent, 0); final long time = System.currentTimeMillis(); // 设置当前时间 btn1.setOnClickListener(new View.OnClickListener() { // 监听器 @Override public void onClick(View v) { // TODO Auto-generated method stub alarmManager.set(AlarmManager.RTC_WAKEUP, time, pendingIntent); // 设置单次闹钟提醒 } }); } }
public class myReceiver extends BroadcastReceiver{ @Override public void onReceive(Context arg0, Intent arg1) { // TODO Auto-generated method stub String str; str="触发单次闹钟:"+arg1.getStringExtra("message"); Toast.makeText(arg0, str,Toast.LENGTH_LONG).show(); //显示 } }
<receiver android:name="myReceiver"> <intent-filter> <action android:name="iflab.test.AM_ACTION"/> </intent-filter> </receiver>
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