网站商城建站,app是程序员做出来的吗,如何制作网站后台管理系统,深圳市住房和城乡建设厅网站1 问题 app,自定义消息通知的时候,在Android8.0手机上收不到通知 2 解决办法 NotificationManager需要创建NotificationChannel,然后调用createNotificationChannel把NotificationChannel传递进去,并且通过setChannelId设置相应的id 3 普通样本代码实现 private static fina…1 问题 app,自定义消息通知的时候,在Android8.0手机上收不到通知 2 解决办法 NotificationManager需要创建NotificationChannel,然后调用createNotificationChannel把NotificationChannel传递进去,并且通过setChannelId设置相应的id 3 普通样本代码实现 private static final String ID = "PUSH_NOTIFY_ID";private static final String NAME = "PUSH_NOTIFY_NAME";public int id = 0; public NotificationManager manager;public void showMessage() {manager = (NotificationManager) mContext.getSystemService(mContext.NOTIFICATION_SERVICE);NotificationCompat.Builder builder = new NotificationCompat.Builder(mContext);if (Build.VERSION.SDK_INT = Build.VERSION_CODES.O) {NotificationChannel mChannel = new NotificationChannel(ID, NAME, NotificationManager.IMPORTANCE_LOW);manager.createNotificationChannel(mChannel);