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What I try to do Hello Guys, I'm trying to create some In-App-Products for my App, its for donation use. Because im giving away free musik of my friend - he raps. Whatever, I created 5 In-App Products on my developer-account: donate_small donate_midsmall donate_medium donate_large donate_xlarge This are the reference key's I generated there. They are saved and published. Now if written a In-App-Service over this tutorial: In-App Easy Tutorial . The Code seems to work perfect, there are no errors and when i compile the demo-code it works. But when I try it I get allways this error: 12-06 14:23:49.400: E/BillingService(4719): BillingHelper not fully instantiated Question So what do I need to change the the user can choose the diffrent in-app-products? Do I need to declare them somewhere?? Also if you have a great tutorial for me, where this stuff is all well describen and fully working, please tell me. This are the Classes I use for my In-app-service: de.stepforward ChannelActivity SplashActivity de.stepforward.billing AppMainTest.class -> This is my Activity BillingHelper.class BillingReceiver.class BillingSecurity.class BillingService.class C.class de.stepforward.billing.util Base64.class Base64DecoderException.class For the moment I'll provide you the Code of my BillingHelper and Activity, if you need more Code just tell me. Code AppMainTest.class package de.stepforward.billing; import de.stepforward.R; import de.stepforw

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