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Questions tagged [android-lvl]

Android licensing verification library

android-lvl stands for android license verification library, a system introduced by Google for developers to check if an application has been bought through the Android market. See more information here: Android Licensing

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The import com.google.android.vending cannot be resolved in an imported android project

I have just imported an android project and when I am trying to run it it is giving me error on the following imports import com.google.android.vending.licensing.AESObfuscator; import com.google.android.vending.licensing.LicenseChecker; import…
LondonUK
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Any way around awful SecretKeyFactory performance with LVL and AESObfuscator?

I'm looking to use the new licensing (LVL) stuff with Android Marketplace, but I'm running into a performance problem with the stock AESObfuscator. Specifically, the constructor takes several seconds to run on a device (pure agony on emulator). …
nbl-mike
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Android licensing Tutorial - Final step

My app is ready for submission now but I have recently learnt about Licensing. I have found a step by step by tutorial online: http://twistbyte.com/tutorial/using-the-android-licensing-service-step-by-step I have imported the Licensing library into…
tiptopjat
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Proguard Android App for LVL and Fragment Compatibility Support

I'm trying to use Proguard against my app which will eventually incorporate LVL and In-app Billing. The problem I have is that Proguard keeps crashing my app on start and it's hard to figure out what's failing. I'm using the Android V4 support…
Jeremy Edwards
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Market licensing API on Android emulator issues

I have an Android app that uses the license checking API. I've set up emulator AVDs with the Google APIs for API levels 8, 9, and 10. My app works fine with the level 8 AVD but fails miserably with the level 9 and 10 AVDs. Here is a typical logcat…
Ted Hopp
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Licensing checker longevity of the "activated" status. How frequent is too much for the user?

My app is a kind of a pocket guide with some data for the whole year. I'm assuming users will use the program at least once with Internet access to activate the license. Or at least that's my understanding of how the Android licensing system works.…
davidcesarino
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Live Testing of the Android LVL

I have a paid app that's been out in the Android Market for a few months now, and up to this point that app had no type of copy protection or license verification scheme. I have just finished adding an modified version of the LVL code to my app. To…
Michael
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How to check Android licensing permission of other applications

I have a free application that has a number of paid-for upgrade applications you can buy for it. The base game is free and remains the application that the user always launches, it detects the presence of the other applications and unlocks various…
Kenton Price
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Android licensing application not works?

I implemented Google License checker by reading the official instructions. import android.app.Activity; import android.app.AlertDialog; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import…
Khan
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Android License Test Response - Never works

I've been working on an Android App that has already been published to Google Play. For the next update (versionCode = 3) my client wants to include the LVL licensing scheme. The first thing I did was set up a static test response from the…
Paul
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How to give (already purchased) Android app to customer as a gift?

Yes, SO, I know, it's not a "programmer's" question:) But customers sometimes help us (devs) with our code, so we (devs) shold be grateful. I think answer to my question will be useful for all fellow android devs. User has purchased my app. Refund…
Tertium
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When is LICENSED_OLD_KEY returned from server?

The documentation for application licensing describes LICENSED_OLD_KEY as meaning: The application is licensed to the user, but there is an updated application version available that is signed with a different key. On the other hand, the…
Ted Hopp
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android with ant licensing library dependencies

I need to use ANT with Android building process because at the end I need to create two versions of application (FULL & LITE). When I created new project with command-line tools it generates for me all necessary build files (build.xml,…
zmeda
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Android Using Licensing and/or in-app billing

I'm developing an application that will have some features that the user must pay to use. I was planning to use a Lite and Pro version for this, but the release of In-App Billing have got me thinking... If I use In-app billing is there any need to…
rudas
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Error report from licence checker - what does this mean?

I just followed the standard Android licence checking procedure, and recently I get these reports: java.lang.NullPointerException at com.google.android.vending.licensing.LicenseValidator.verify(LicenseValidator.java:99) at…
user387184
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