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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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Google Play app copy protection, licensing. can this be added later?

I know this topic has been discussed many times here. It's the first time i'm uploading an app to Google Play. The app is free. I read google's licensing support webpages but i'm really confused. From my understanding, licensing should be used for…
Dan Dinu
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Faster Way to Query Application's Current Version on Google Play?

I would like to be able to compare, on application start, the running version against the same application's version currently on Google Play. I found a nice way to this, described here: public String getLatestVersionNumber() { String…
Bill The Ape
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Verify that apk is a paid copy (avoid piracy of app)

I'm totally new to the Android Play store. I'm working on an app that is almost finished and ready to publish. But I notice that you can copy the apk file (after purchase) to another location (sd card for example) and install it on another device.…
Codebeat
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Android App LVL protection cracked

my Android App obfuscated with Proguard and protected by Googles LVL has been cracked probably by a tool like Lucky Patcher removing the License check :-( Do you know of any better ways of implementing the Google License Check, possibly modifying…
le chiffre
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Android Market Licensing (LVL) always returns RETRY

I am trying to use Android Marketing Licensing within an, as yet, unpublished app. I have installed and integrated the LVL libraries using the ServerManagedPolicy. The problem is that, without exception, LicenseCheckerCallback.dontAllow is called…
Jez
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Security: LVL vs. in-app purchases

My first paid Android app was mercilessly cracked within 1 day, which made me realize how pathetic LVL security is. My next app will monetize with managed in-app purchases of content, which seems more secure than LVL because in-app purchases are…
Barry Fruitman
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IllegalStateException for Fragment not attached to Activity

I am trying to convert one of my apps to now use Fragments. This app also uses the Android License checker. While testing I had the license checker code commented out and now have the app working like I want. I am now ready to uncomment that code…
Chris
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Licensing system without Internet connection

I'm testing the licensing system for android. Exactly I just compiled the sample project with ServerManagedPolicy and I have a question about it: If I do: Device's Internet=ON Launch the app Launch the check= Allow access Device's…
Addev
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Android License Check Fails WAY too much, am I doing something wrong?

I have an Android app that uses the Google Licensing service and I get regular emails from about 5% of new users complaining that the license check is failing. It is starting to affect my sales. What the heck am I doing…
Kenny Wyland
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Cannot get Android Market Licensing (LVL) working reliably. Almost always returns RETRY

I am trying to get android licensing to work in my first Android application. I have followed the online guides and have integrated the LVL Code using the ServerManagedPolicy. Regardless of what license test response I set in the developer console…
Twisted
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Testing Android LVL, license check always fails with no network

i'm testing the android license verification library (LVL) in my app. my implementation is currently bone-stock. i haven't modified the library, and i'm using the ServerManagedPolicy. i have my developer account set to return LICENSED all the time.…
Ben H
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Android Licensing - Only one public key per Android Developer account?

If my understanding of the Android LVL is correct, you get one public key per developer account. What if I want to upload 2 paid apps through a single developer account? There is no way to get a separate key for each app? Consider this…
dell116
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LVL problem under WiFi only devices

Are there any known issues with WiFi only devices doing ServerManaged LVL license checks?
Keith Adler
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Application Licensing and android unique id

I am about to publish the paid app to the android market. The app uses LVL (Application Licensing). In order to validate the licence I have to provide the device's unique id. The problem is that some android devices (due to known issue) have the…
Marqs
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Can you check the licensing status of one application from a different application using the android lvl library?

Suppose I have 2 applications published on Google Play, then can I check the licensing status of 2nd app from the 1st one using the android lvl (License Verification Library)?
Instant Techy
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