android 状态栏显示运行图标

// 通知栏展示
private void showNotification() {
// 创建一个NotificationManager的引用
NotificationManager notificationManager = (NotificationManager) getSystemService(android.content.Context.NOTIFICATION_SERVICE);

// 定义Notification的各种属性
Notification notification =new Notification(R.drawable.huaan,"前尘闹钟", System.currentTimeMillis());
notification.flags |= Notification.FLAG_ONGOING_EVENT; // 将此通知放到通知栏的"Ongoing"即"正在运行"组中
notification.flags |= Notification.FLAG_NO_CLEAR; // 表明在点击了通知栏中的"清除通知"后，此通知不清除，经常与FLAG_ONGOING_EVENT一起使用
notification.flags |= Notification.FLAG_SHOW_LIGHTS;
notification.defaults = Notification.DEFAULT_LIGHTS;
notification.ledARGB = Color.BLUE;
notification.ledOnMS =5000;

// 设置通知的事件消息
CharSequence contentTitle ="前尘闹钟正在运行"; // 通知栏标题
CharSequence contentText ="暖暖的很贴心....."; // 通知栏内容
Intent notificationIntent =new Intent(MainActivity.this, MainActivity.class); // 点击该通知后要跳转的Activity
PendingIntent contentItent = PendingIntent.getActivity(MainActivity.this, 0,notificationIntent, 0);
notification.setLatestEventInfo(MainActivity.this, contentTitle, contentText,contentItent);

// 把Notification传递给NotificationManager
notificationManager.notify(0, notification);
}