Android允许显示应用程序图标徽章

打开通知设置

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
                Intent intent = new Intent(Settings.ACTION_APP_NOTIFICATION_SETTINGS);
                intent.putExtra(Settings.EXTRA_APP_PACKAGE, getPackageName());
                startActivity(intent);
            } else {
                Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
                intent.setData(Uri.parse("package:" + getPackageName()));
                startActivity(intent);
            }