سلام من مشکل دارم با این درون پرداخت
وقتی روی محصول کلیک میشه خطای پایین میاد:
**
java.lang.IllegalStateException: IAB helper is not set up. Can''t perform operation: launchPurchaseFlow
at anywheresoftware.b4a.objects.IbHelper.checkSetupDone(IbHelper.java:582)
at anywheresoftware.b4a.objects.IbHelper.launchPurchaseFlow(IbHelper.java:197)
at anywheresoftware.b4a.inappbilling3.BillingManager3.RequestPayment(BillingManager3.java:70)
at b4a.example.inapptest.main._button1_click(main.java:339)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:187)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:175)
at anywheresoftware.b4a.BA.raiseEvent(BA.java:171)
at anywheresoftware.b4a.objects.ViewWrapper$1.onClick(ViewWrapper.java:77)
at android.view.View.performClick(View.java:3511)
at android.view.View$PerformClick.run(View.java:14105)
at android.os.Handler.handleCallback(Handler.java:605)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4424)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
at dalvik.system.NativeStart.main(Native Method)
java.lang.IllegalStateException: IAB helper is not set up. Can't perform operation: launchPurchaseFlow