[英]Java android: pushing notification won't work
當我在我的android應用程序上運行此命令以嘗試通過以下命令獲得通知時: sendNotification("test","title",1);
我收到一個錯誤: E/NotificationManager: notifyAsUser: tag=null, id=1, user=UserHandle{0}
private void sendNotification(String message, String title, int id) {
Intent intent = new Intent(this, Game.class);
PendingIntent pendingIntent = PendingIntent.getActivity(this, 0 /* Request code */,
intent, PendingIntent.FLAG_ONE_SHOT);
Uri defaultSoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this)
.setSmallIcon(R.drawable.maintitle)
.setContentTitle(title)
.setContentText(message)
.setAutoCancel(true)
.setSound(defaultSoundUri)
.setContentIntent(pendingIntent);
NotificationManager notificationManager =
(NotificationManager) getSystemService(this.NOTIFICATION_SERVICE);
notificationManager.notify(id /* ID of notification */,
notificationBuilder.build());
}
您必須為新的android版本設置頻道ID。 通過這種方式創建通知
private final static String CHANNEL_ID = "my_notification";
private void sendNotification(String message, String title, int id) {
Intent intent = new Intent(this, Game.class);
PendingIntent pendingIntent = PendingIntent.getActivity(this, 0 /* Request code */,
intent, PendingIntent.FLAG_ONE_SHOT);
Uri defaultSoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this, CHANNEL_ID)
.setSmallIcon(R.drawable.maintitle)
.setContentTitle(title)
.setContentText(message)
.setAutoCancel(true)
.setSound(defaultSoundUri)
.setContentIntent(pendingIntent);
NotificationManager notificationManager =
(NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {
NotificationChannel channel = new NotificationChannel(CHANNEL_ID, "news_notification", NotificationManager.IMPORTANCE_DEFAULT);
notificationManager.createNotificationChannel(channel);
}
notificationManager.notify(id /* ID of notification */,
notificationBuilder.build());
}
在NotificationCompat.Builder中設置CHANNEL_ID並創建頻道
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