发送通知
public class MyActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); String serviceContextName = Context.NOTIFICATION_SERVICE; NotificationManager notificationManager; notificationManager = (NotificationManager) getSystemService(serviceContextName); //设置图标,标题,时间 int icon = R.drawable.ic_launcher; String tickerText = "Notification"; long when = System.currentTimeMillis(); Notification notification = new Notification(icon, tickerText, when); notification.number++; //设置展开通知的内容 Context context = getApplicationContext(); String expandedText = "Extended status text"; String expandedTitle = "Notification Title"; //当单击展开的文本时,用于启动一个活动的意图 Intent intent = new Intent(this, MyActivity.class); PendingIntent launchIntent = PendingIntent.getActivity(context, 0, intent, 0); notification.setLatestEventInfo(context, expandedText, expandedText, launchIntent); //若要定制布局(若手动设置contentView时,必须同时设置contentIntent) notification.contentView = new RemoteViews(this.getPackageName(), R.layout.my_status_window_layout); notification.contentIntent = launchIntent; //修改通知中的视图 notification.contentView.setImageViewResource(R.id.status_icon, R.drawable.ic_launcher);//将后者搬到前者这个id的视图上 notification.contentView.setTextViewText(R.id.status_text, "Current Progress"); notification.contentView.setProgressBar(R.id.status_progress, 100, 50, false); //触发通知 int notificationRef = 1; notificationManager.notify(notificationRef, notification); //消除通知 notificationManager.cancel(notificationRef); notification.defaults = Notification.DEFAULT_SOUND | Notification.DEFAULT_VIBRATE; //设置上默认的声音和震动 //自定义通知声音 Uri ringURI = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION); notification.sound = ringURI; //自定义通知震动,需添加一个permission <uses-permission android:name="android.permission.VIBRATE" /> long[] vibrate = new long[] {1000,1000,1000,1000,1000};//一个值震动多久,下一个值暂定多久,这里持续了5秒 notification.vibrate = vibrate; //自定义通知闪屏 notification.ledARGB = Color.RED; notification.ledOffMS = 0;//设置频率 notification.ledOnMS = 1; //若OnMS也是0,则将灯关闭 notification.flags = notification.flags | Notification.FLAG_SHOW_LIGHTS; //持续的通知 notification.flags = notification.flags | Notification.FLAG_ONGOING_EVENT;//正在进行的事件 //连续的通知 notification.flags = notification.flags | Notification.FLAG_INSISTENT;//一直重复音频震动闪烁直到被取消 } }
警报
public class MyActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); //警报。警报类型: // RTC_WAKEUP指定时间唤醒并触发意图; // RTC指定时间触发意图但不唤醒设备; // ELAPSED_REALTIME设备启动后经过的时间触发待处理的意图,但不唤醒设备; // ELAPSED_REALTIME_WAKEUP设备启动并经过指定时间后唤醒设备并触发意图 AlarmManager alarms = (AlarmManager) getSystemService(Context.ALARM_SERVICE); int alarmType = AlarmManager.ELAPSED_REALTIME_WAKEUP; long timeOrLengthofWait = 10000; String ALARM_ACTION = "ALARM_ACTION"; Intent intentToFire = new Intent(ALARM_ACTION); PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intentToFire, 0); alarms.set(alarmType, timeOrLengthofWait, pendingIntent); //取消报警 alarms.cancel(pendingIntent); //重复报警 //如果已经唤醒,那么每小时触发一次意图 alarms.setRepeating(AlarmManager.ELAPSED_REALTIME_WAKEUP, 60*60*1000, 60*60*1000, pendingIntent); //每小时唤醒并触发一个警报 alarms.setInexactRepeating(AlarmManager.ELAPSED_REALTIME_WAKEUP, 60*60*1000, AlarmManager.INTERVAL_DAY, pendingIntent); } }