How to prevent my android apps from being cracked? (AntiLVL)

Question

Recently, I found my application is crack by some anti-lvl tools.

This tool could easily crack the \"Android License Verification Library\" in my application, and genera

Answer 1

I'd also refer you to check out this from Google I/O 2011:

Taken from: Avoid apk cracked

Thought it may be very useful to you!

Evading Pirates and Stopping Vampires

http://www.youtube.com/watch?v=TnSNCXR9fbY

EDIT The Presentation Notes: https://docs.google.com/viewer?url=http%3A%2F%2Fwww.google.com%2Fevents%2Fio%2F2011%2Fstatic%2Fpresofiles%2Fdgalpin_android_pirates_and_vampires.pdf

Some basic keypoints

• Modify the LVL
• Implement LVL Tamper Resistance
• Use obfuscation
• Use reflection