收到通知时，将显示帐单图标，而不是我覆盖它以从代码中显示的应用程序图标或自定义图标。我可以从仪表板更改图标，但我想从代码中处理它
内化
OneSignal.startInit(this)
.inFocusDisplaying(OneSignal.OSInFocusDisplayOption.Notification)// to hide dialog
.setNotificationOpenedHandler(new ExampleNotificationOpenedHandler())
.init();
接收器类
class ExampleNotificationOpenedHandler implements OneSignal.NotificationOpenedHandler
{
// This fires when a notification is opened by tapping on it.
@Override
public void notificationOpened(OSNotificationOpenResult result)
{
OSNotificationAction.ActionType actionType = result.action.type;
JSONObject data = result.notification.payload.additionalData;
String customKey;
Intent intent = new Intent(Roshetta.app, SplashActivity.class);
intent.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT | Intent.FLAG_ACTIVITY_NEW_TASK);
int requestCode = 0;
PendingIntent pendingIntent = PendingIntent.getActivity(Roshetta.app, requestCode, intent, PendingIntent.FLAG_ONE_SHOT);
Uri sound = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
Bitmap largeIcon = BitmapFactory.decodeResource(getResources(), R.mipmap.ic_launcher);
android.support.v4.app.NotificationCompat.Builder noBuilder = new android.support.v4.app.NotificationCompat.Builder(Roshetta.app)
.setSmallIcon(R.mipmap.ic_launcher).setLargeIcon(largeIcon).setContentTitle(result.notification.payload.title)
.setContentText(result.notification.payload.body )
.setAutoCancel(true).setDefaults(android.app.Notification.DEFAULT_ALL)
.setContentIntent(pendingIntent).setSound(sound);
NotificationManager notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
notificationManager.notify(0, noBuilder.build()); //0 = ID of notification
if (data != null)
{
customKey = data.optString("customkey", null);
if (customKey != null)
Log.i("OneSignalExample", "customkey set with value: " + customKey);
}
if (actionType == OSNotificationAction.ActionType.ActionTaken)
Log.i("OneSignalExample", "Button pressed with id: " + result.action.actionID);
Log.i("OneSignalExample", "ExampleNotificationOpenedHandler");
}
您需要创建一个名为ic_stat_onesignal_default在你的drawables将显示的目录，而不是 OneSignal 的默认响铃图标。建议使用创建正确的尺寸并确保在您的设备上尝试之前它看起来正确。
请注意，应用程序图标不应再用作小通知图标，因为在 Android 5.0 Lollipop 中，仅使用图标的 alpha。在这种情况下，大多数应用程序图标只是一个白色的方块或圆圈。
有关更多详细信息，请参阅下面的 OneSignal 文档页面。https://documentation.onesignal.com/docs/customize-notification-icons https://documentation.onesignal.com/docs/customize-notification-icons
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