3

在华为设备中，如何申请banner通知权限，他默认是关闭的
我做了如下设置，只有手动开启banner通知才有效
如何解决？

                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
                    String channelId = "007";
                    String channelName = "James Bond";
                    NotificationChannel notificationChannel = new NotificationChannel(channelId, channelName, NotificationManager.IMPORTANCE_MAX);
                    NotificationManager notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
                    notificationManager.createNotificationChannel(notificationChannel);
                    Intent notificationIntent = new Intent();
                    notificationIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);
                    PendingIntent pendingIntent = PendingIntent.getActivity(getApplication(), 0, notificationIntent, 0);
                    Notification notification = new NotificationCompat.Builder(MainActivity.this, "007")
                            .setPriority(NotificationCompat.PRIORITY_MAX)
                            .setContentTitle("What is 5G ?")
                            .setContentText("But before we get to the smart phones, let's simply figure out what 5G is.")
                            .setWhen(System.currentTimeMillis())
                            .setSmallIcon(R.drawable.ic_launcher_background)
                            .setLargeIcon(BitmapFactory.decodeResource(getResources(), R.drawable.ic_launcher_background))
                            .setDefaults(Notification.DEFAULT_VIBRATE)
                            .setAutoCancel(true)
                            .setVibrate(new long[0])
                            //.setFullScreenIntent(pendingIntent, true)
                            .build();
                    notificationManager.notify(1, notification);
                }

    <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />
    <uses-permission android:name="android.permission.ACCESS_NOTIFICATION_POLICY" />
    <uses-permission android:name="android.permission.USE_FULL_SCREEN_INTENT" />
4

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