OpenIAB - Product already bought

Unity Engine
,
1

Hello everyone,

I am currently testing the OpenIAB In-App Purchase System - but I have one problem. I can buy products - that works fine. But after reinstalling the app I don´t know how to check if the product was bought already (It´s a permanent product). Clicking the buy button again only opens a black screen - without any information.

Can someone please explain me how to do this? I know this has something to do with OpenIAB.queryInventory - but I have no idea where to put the check.

Thank you!

My current code:

using UnityEngine;
using OnePF;
using System.Collections.Generic;

public class OpenIABTest : MonoBehaviour {
    const string SKU = "sku";

  

#pragma warning disable 0414
    string _label = "";
#pragma warning restore 0414

    bool _isInitialized = false;

    private void OnEnable() {
        // Listen to all events for illustration purposes
        OpenIABEventManager.billingSupportedEvent += billingSupportedEvent;
        OpenIABEventManager.billingNotSupportedEvent += billingNotSupportedEvent;
        OpenIABEventManager.queryInventorySucceededEvent += queryInventorySucceededEvent;
        OpenIABEventManager.queryInventoryFailedEvent += queryInventoryFailedEvent;
        OpenIABEventManager.purchaseSucceededEvent += purchaseSucceededEvent;
        OpenIABEventManager.purchaseFailedEvent += purchaseFailedEvent;
        OpenIABEventManager.consumePurchaseSucceededEvent += consumePurchaseSucceededEvent;
        OpenIABEventManager.consumePurchaseFailedEvent += consumePurchaseFailedEvent;
    }
    private void OnDisable() {
        // Remove all event handlers
        OpenIABEventManager.billingSupportedEvent -= billingSupportedEvent;
        OpenIABEventManager.billingNotSupportedEvent -= billingNotSupportedEvent;
        OpenIABEventManager.queryInventorySucceededEvent -= queryInventorySucceededEvent;
        OpenIABEventManager.queryInventoryFailedEvent -= queryInventoryFailedEvent;
        OpenIABEventManager.purchaseSucceededEvent -= purchaseSucceededEvent;
        OpenIABEventManager.purchaseFailedEvent -= purchaseFailedEvent;
        OpenIABEventManager.consumePurchaseSucceededEvent -= consumePurchaseSucceededEvent;
        OpenIABEventManager.consumePurchaseFailedEvent -= consumePurchaseFailedEvent;
    }

    private void Start() {
        // Map skus for different stores
        OpenIAB.mapSku(SKU, OpenIAB_Android.STORE_GOOGLE, "game_mode_dart");


     
    }
    public void Initialize(){
        var public_key = "mykey";
       
        var options = new Options();
        options.verifyMode = OptionsVerifyMode.VERIFY_SKIP;
        options.storeKeys = new Dictionary<string, string> {
            {OpenIAB_Android.STORE_GOOGLE, public_key}
        };
       
        // Transmit options and start the service
        OpenIAB.init(options);
        //OpenIAB.queryInventory();
    }
   
    public void Buy(){
        OpenIAB.purchaseProduct("game_mode_dart");
    }


    private void billingSupportedEvent() {
        _isInitialized = true;
        Debug.Log("billingSupportedEvent");
    }
    private void billingNotSupportedEvent(string error) {
        Debug.Log("billingNotSupportedEvent: " + error);
    }
    private void queryInventorySucceededEvent(Inventory inventory) {
        Debug.Log("queryInventorySucceededEvent: " + inventory);
        if (inventory != null)
            _label = inventory.ToString();
    }
    private void queryInventoryFailedEvent(string error) {
        Debug.Log("queryInventoryFailedEvent: " + error);
        _label = error;
    }
    private void purchaseSucceededEvent(Purchase purchase) {
        Debug.Log("purchaseSucceededEvent: " + purchase);
        _label = "PURCHASED:" + purchase.ToString();
        PlayerPrefs.SetInt("Abs",1);
    }
    private void purchaseFailedEvent(int errorCode, string errorMessage) {
        Debug.Log("purchaseFailedEvent: " + errorMessage);
        _label = "Purchase Failed: " + errorMessage;
    }
    private void consumePurchaseSucceededEvent(Purchase purchase) {
        Debug.Log("consumePurchaseSucceededEvent: " + purchase);
        _label = "CONSUMED: " + purchase.ToString();
    }
    private void consumePurchaseFailedEvent(string error) {
        Debug.Log("consumePurchaseFailedEvent: " + error);
        _label = "Consume Failed: " + error;
    }
}
2

Based on your code:

private void queryInventorySucceededEvent(Inventory inventory) {
       Debug.Log("queryInventorySucceededEvent: " + inventory);
       if (inventory != null)
       {
         _label = inventory.ToString();
         
          List<Purchase> prods = inventory.GetAllPurchases();
          for(int i = 0; i < prods.Count; i++)
          {
              Debug.Log("bought product already: " + prods[i].Sku);
          }
       }
   }