Stack Overflow
Stack Overflow

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

308 questions
4
votes
1 answer

Android LVL and InAppBilling: how to select current user account for purchase?

I use Google LVL and Google Inapp Billing API ver 3 in my java application for Android. Of course I use (slightly modified) LVL library project from Google extras and IAP jar that Google suggests. LVL library LicenseValidator in verifyLicense…
Tertium
  • 6,049
  • 3
  • 30
  • 51
4
votes
1 answer

Understanding Android Application Licensing

I am trying to understand the Android Application Licensing. I read most of the documentation on the android website about this subject, but I'm still confused. Here is my dilema: I create an Android app and I'm deciding whether I want to release it…
David
  • 617
  • 1
  • 6
  • 15
4
votes
2 answers

android detect LVL removal

I know it is impossible to prevent my app being cracked, either from antiLvl or luckypatch. For example, I downloaded antiLvl and cracked my own app within seconds. Rather, I would like to know if I can implement code to know that LVL is removed,…
manhon
  • 683
  • 7
  • 27
4
votes
1 answer

Google Play License - what is error 6?

I am testing my app with the Google Play License API. The app binds successfully to the licensing service, but the callback gives error 6. I've checked the error codes in LicenseValidator and this is not one of the error codes listed there. Does…
user2248739
  • 111
  • 1
  • 6
4
votes
1 answer

Android License App showing Not-licensed?

I'am doing an app android license for paid application. In this app i gave base 64 public key & salt 20 random numbers according to my app details. My code is as follows: initialized variables like this: private static final String…
NagarjunaReddy
  • 8,621
  • 10
  • 63
  • 98
4
votes
1 answer

Android LVL Custom License Period

I am working on app that will be used 30-40 days off-line(no Internet connection), so I need LVL to work offline for that period with ManagedPolicy. The check is done at the Start - and if it cannot to connect to the server to use the saved policy…
John BG
  • 346
  • 3
  • 10
4
votes
2 answers

Cant find Google Market Licensing package in SDK Manager

I am going according to this Setting Up the Development Environment and in the Downloading LVL section it says "Launch the Android SDK Manager and then select the Google Market Licensing package". When I launch my SDK and it has finished loading…
SSG
  • 192
  • 2
  • 12
4
votes
3 answers

Android Licensing Error 561 (0x231)

I have some applications that were transferred from another company to ours. We have had google move them to our Publisher Account. However I am trying to verify the Licensing and can only get Don't Allow with an error of 561. I have done a lot of…
BobChaotic
  • 43
  • 1
  • 5
4
votes
1 answer

AESObfuscator for Android Licensing

I'm using AESObfuscator in the ServerManagedPolicy for android licensing. Until now, I've created the deviceId like this: String deviceId = Secure.getString( getContentResolver(), Secure.ANDROID_ID ); In all the examples on the internet it is done…
DominicM
  • 2,186
  • 5
  • 24
  • 42
3
votes
1 answer

Google license validation suddenly failing on development device

I released an app that uses Google LVL to the Market many months ago. For some reason, the app instance on my Nexus One development phone consistently fails validation, starting about 3 days ago (March 25, 2012). Customers running the same version…
user604713
  • 437
  • 1
  • 6
  • 17
3
votes
2 answers

Does Google Play Licensing require permission "android.permission.INTERNET"?

Does Google Play Licensing require permission "android.permission.INTERNET"? My app does not require INTERNET permissions. Do I need to ask users for it if I want to use Google Play Licensing service?
MarcoS
  • 17,323
  • 24
  • 96
  • 174
3
votes
1 answer

License checker crashes after rev update

Everything before was perfect... but... Today something happened to my License checker (without touching a line) and that made my app crash. So I saw there was an update available on the Package Manager for that library and updated (I've updated…
Angelo Tricarico
  • 1,333
  • 1
  • 19
  • 36
3
votes
1 answer

Is it normal for LVL to deny valid licenses?

I am getting occasional complaints from my users that my paid application is failing the Android Market Licence Verification Library check. I cannot post code samples but my code is very similar to the sample in the LVL doc, with a little custom…
Barry Fruitman
  • 12,316
  • 13
  • 72
  • 135
3
votes
1 answer

What alternatives to ANDROID_ID can be used with Android LVL?

Due to the well known issue of Secure.ANDROID_ID not being unique what alternatives are there for identifying a device in LVL? If I were to use an installation unique generated ID would that not cause issues for the user who has purchased the app?…
Johnny
  • 1,144
  • 2
  • 11
  • 23
3
votes
1 answer

LVL license check from Intent Service

I have a free app which also contains pro functionality, which will be available to the user if they buy a pro key for my app in the Android Market. I have set up a receiver in the pro key app and another one in the main app. When the user clicks a…
Iiro Krankka
  • 4,959
  • 5
  • 38
  • 42
1 2 3
…
20 21