I have a strange error adding new module (https://github.com/lomza/android-color-picker) to my project. Without this module project runs fine, but if add this project as module to my main project and compile it - everything looks good, but app starts and force closes instantly giving me this error:
FATAL EXCEPTION: main
java.lang.NoClassDefFoundError: android.support.v4.app.NavUtilsJB
at android.support.v4.app.NavUtils$NavUtilsImplJB.getParentActivityName(NavUtils.java:125)
at android.support.v4.app.NavUtils.getParentActivityName(NavUtils.java:302)
at android.support.v4.app.NavUtils.getParentActivityName(NavUtils.java:281)
at android.support.v7.app.ActionBarActivityDelegateBase.onCreate(ActionBarActivityDelegateBase.java:142)
at android.support.v7.app.ActionBarActivity.onCreate(ActionBarActivity.java:123)
at app.user.views.ActivityWelcome.onCreate(ActivityWelcome.java:33)
at android.app.Activity.performCreate(Activity.java:5133)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2175)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2261)
at android.app.ActivityThread.access$600(ActivityThread.java:141)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1256)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:5103)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:525)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
at dalvik.system.NativeStart.main(Native Method)
ActivityWelcome.java
33 line is super.onCreate(savedInstanceState);
If I remove this module from project - everything runs fine again. I have same problem adding any new module to my project. Where is the problem?
EDIT: I find out that project runs fine on API 21, but if I run it on API 18, I am getting error.