java.lang.NoClassDefFoundError

Question

I am currently getting an ArrayDeque class def not found error when testing my app on my phone(version 2.2) however i dont get the error when run in an emulator (2.3.3) Heres the Error:

java.lang.NoClassDefFoundError: java.util.ArrayDeque

Any help would be hugely appreciated.

Answer 1

ArrayDeque class is added in API level 9 so you can't use it in Android 2.2