Android 添加常驻图标到状态栏

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     * 如果没有从状态栏中删除ICON,且继续调用addIconToStatusbar,则不会有任何变化.如果将notification中的resId设置不同的图标,则会显示不同的图标
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    private void addIconToStatusbar(int resId){ 
        NotificationManager nm = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE); 
        Notification n = new Notification();
        //常驻状态栏的图标
        n.icon = resId;
        // 将此通知放到通知栏的"Ongoing"即"正在运行"组中  
        n.flags |= Notification.FLAG_ONGOING_EVENT; 
        // 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  
        n.flags |= Notification.FLAG_NO_CLEAR;          
        PendingIntent pi = PendingIntent.getActivity(this, 0, getIntent(), 0); 
        n.contentIntent = pi; 
        n.setLatestEventInfo(this, getString(R.string.flow), "10M/30M", pi); 
        nm.notify(NOTIFICATION_ID_ICON, n); 
    } 

  private void deleteIconToStatusbar(){ 
        NotificationManager nm = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE); 
        nm.cancel(NOTIFICATION_ID_ICON); 
    } 

 

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