<meta-data android:name="com.onesignal.suppressLaunchURLs" android:value="true"/>

<key>OneSignal_suppress_launch_urls</key>
<true/>

// Android SDK 4.x.x
OneSignal.setNotificationOpenedHandler(
   new OneSignal.OSNotificationOpenedHandler() {
     @Override
     public void notificationOpened(OSNotificationOpenedResult result) {
      // Capture Launch URL (App URL) here
      String launchUrl = result.getNotification().getLaunchURL();
      Log.i("OneSignalExample", "launchUrl set with value: " + launchUrl);
      if (launchUrl != null) {
        // The following can be used to open an Activity of your choice.
        // Replace - getApplicationContext() - with any Android Context.
        // Replace - YOURACTIVITY.class with your activity to deep link
        Intent intent = new Intent(getApplicationContext(), YOURACTIVITY.class);
        intent.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT | Intent.FLAG_ACTIVITY_NEW_TASK);
        intent.putExtra("openURL", launchUrl);
        Log.i("OneSignalExample", "openURL = " + launchUrl);
        startActivity(intent);
      }
    }
});

//Android SDK 3.x.x
class ExampleNotificationOpenedHandler implements OneSignal.NotificationOpenedHandler {
  @Override
  public void notificationOpened(OSNotificationOpenResult result) {
    Log.i("OSNotificationPayload", "result.notification.payload.toJSONObject().toString(): " + result.notification.payload.toJSONObject().toString());
    // Capture Launch URL (App URL) here
    String launchUrl = result.notification.payload.launchURL;
    Log.i("OneSignalExample", "launchUrl set with value: " + launchUrl);
    if (launchUrl != null) {
      // The following can be used to open an Activity of your choice.
      // Replace - getApplicationContext() - with any Android Context.
      // Replace - YOURACTIVITY.class with your activity to deep link
      Intent intent = new Intent(getApplicationContext(), YOURACTIVITY.class);
      intent.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT | Intent.FLAG_ACTIVITY_NEW_TASK);
      intent.putExtra("openURL", launchUrl);
      Log.i("OneSignalExample", "openURL = " + launchUrl);
      startActivity(intent);
    }
  }
}

// iOS SDK 3.x.x
let osNotificationOpenedBlock: OSNotificationOpenedBlock = { result in
  let notification: OSNotification = result.notification
  print("launchURL: ", notification.launchURL ?? "no launch url")
  if let appUrl = notification.launchURL {
    let storyboard = UIStoryboard(name: "Main", bundle: nil)
    // if your app is using the navbar controller within the tabbar controller
    if let postDetailVC = storyboard.instantiateViewController(withIdentifier: "PostDetailViewController") as? PostDetailViewController,
      let tabBarController = self.window?.rootViewController as? UITabBarController,
      let navController = tabBarController.selectedViewController as? UINavigationController {
         navController.popViewController(animated: false)
         navController.pushViewController(postDetailVC, animated: true)
    }
  }
}
OneSignal.setNotificationOpenedHandler(osNotificationOpenedBlock)


// iOS SDK 2.x.x
let osNotificationOpenedBlock: OSHandleNotificationActionBlock = { result in
  let payload: OSNotificationPayload? = result?.notification.payload
  print("appUrl: ", payload.launchURL ?? "No Launch Url")
  if let appUrl = payload?.launchURL {
    let storyboard = UIStoryboard(name: "Main", bundle: nil)
    // if your app is using the navbar controller within the tabbar controller
    if let postDetailVC = storyboard.instantiateViewController(withIdentifier: "PostDetailViewController") as? PostDetailViewController,
        let tabBarController = self.window?.rootViewController as? UITabBarController,
        let navController = tabBarController.selectedViewController as? UINavigationController {
            navController.popViewController(animated: false)
            navController.pushViewController(postDetailVC, animated: true)
    }
  }
}

//See: https://documentation.onesignal.com/docs/sdk-notification-event-handlers#setnotificationopenedhandler-method

// Android SDK 4.x.x
OneSignal.setNotificationOpenedHandler(
   new OneSignal.OSNotificationOpenedHandler() {
     @Override
     public void notificationOpened(OSNotificationOpenedResult result) {
      // Capture Launch URL (App URL) here
      JSONObject data = result.getNotification().getAdditionalData();
      Log.i("OSNotification", "data set with value: " + data);
      if (data != null) {
        // The following can be used to open an Activity of your choice.
        // Replace - getApplicationContext() - with any Android Context.
        // Replace - YOURACTIVITY.class with your activity to deep link
        Intent intent = new Intent(getApplicationContext(), YOURACTIVITY.class);
        intent.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT | Intent.FLAG_ACTIVITY_NEW_TASK);
        intent.putExtra("data", data);
        startActivity(intent);
      }
    }
});


// Android SDK 3.x.x
class ExampleNotificationOpenedHandler implements OneSignal.NotificationOpenedHandler {
  // This fires when a notification is opened by tapping on it.
  @Override
  public void notificationOpened(OSNotificationOpenResult result) {
    Log.i("OSNotificationPayload", "result.notification.payload.toJSONObject().toString(): " + result.notification.payload.toJSONObject().toString());
    JSONObject data = result.notification.payload.additionalData;
    String customKey;
    
    if (data != null) {
      customKey = data.optString("customkey", null);
      if (customKey != null) {
        // The following can be used to open an Activity of your choice.
        // Replace - getApplicationContext() - with any Android Context.
        // Replace - YOURACTIVITY.class with your activity to deep link
        Intent intent = new Intent(getApplicationContext(), YOURACTIVITY.class);
        intent.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT | Intent.FLAG_ACTIVITY_NEW_TASK);
        intent.putExtra("openURL", customkey);
        Log.i("OneSignalExample", "openURL = " + customkey);
        startActivity(intent);
      }
    }
  }
}

let notificationOpenedBlock: OSHandleNotificationActionBlock = { result in
    // This block gets called when the user reacts to a notification received
    if let additionalData = result!.notification.payload!.additionalData {
        print("additionalData: ", additionalData)
        print(additionalData["postId"] as! String)

        if let postId = additionalData["postId"] as? String {
            let storyboard = UIStoryboard(name: "Main", bundle: nil)
            if  let postDetailVC = storyboard.instantiateViewController(withIdentifier: "PostDetailViewController") as? PostDetailViewController,
                let tabBarController = self.window?.rootViewController as? UITabBarController,
                let navController = tabBarController.selectedViewController as? UINavigationController {
                    let dataModel = PostDataModel()
                    dataModel.postId = postId
                    postDetailVC.dataModel = dataModel
                    navController.popViewController(animated: false)
                    navController.pushViewController(postDetailVC, animated: true)
            }
        }
    }
}

^(OSNotificationOpenedResult *result) {
   OSNotificationPayload* payload = result.notification.payload;
   //Check if customkey is available in payload and go to that page
}

onOpened(openResult) {
    console.log('Data: ', openResult.notification.payload.additionalData);
    // Use this to check for customkey and go to that page
}

private static void HandleNotificationOpened(OSNotificationOpenedResult result) {
  OSNotificationPayload payload = result.notification.payload;
  Dictionary<string, object> additionalData = payload.additionalData;

  print("GameControllerExample:HandleNotificationOpened: " + message);
  extraMessage = "Notification opened with text: " + message;

  if (additionalData != null) {
    if (additionalData.ContainsKey("discount")) {
      extraMessage = (string)additionalData["discount"];
      // Take user to your store.
    }
  }
}