Robię sobie metodę w klasie od nowego activity. W onClick'u ją wpisuję i mam crasha ;//
09-13 13:45:16.804 2146-2146/me.mikigal.test E/AndroidRuntime﹕ FATAL EXCEPTION: main
Process: me.mikigal.test, PID: 2146
java.lang.IllegalStateException: Could not find method test(View) in a parent or ancestor Context for android:onClick attribute defined on view class android.support.v7.widget.AppCompatButton with id 'button4'
at android.view.View$DeclaredOnClickListener.resolveMethod(View.java:4479)
at android.view.View$DeclaredOnClickListener.onClick(View.java:4443)
at android.view.View.performClick(View.java:5198)
at android.view.View$PerformClick.run(View.java:21147)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
Wszystko działa jak metoda jest w klasie głównego activity