android.support.v4.app.getFragmentManager() returns null?
android, android-fragments, android-support-library
Solution
After cleaning and rebuilding my project aswell as restarting my testing device, this worked again somehow.
Problem
This is my Stacktrace: ``` FATAL EXCEPTION: main java.lang.NullPointerException at com.example.test.fragments.LoadingFragment$1.run(LoadingFragment.java:66) at android.os.Handler.handleCallback(Handler.java:725) at android.os.Handler.dispatchMessage(Handler.java:92) at android.os.Looper.loop(Looper.java:137) at android.app.ActivityThread.main(ActivityThread.java:5041) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:511) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560) at dalvik.system.NativeStart.main(Native Method) ``` Line 66 of my Fragment: ``` FragmentTransaction ft = fm.beginTransaction(); ``` fm is gotten like this: ``` android.support.v4.app.FragmentManager fm = getFragmentManager(); ``` My Fragment extends `android.support.v4.app.Fragment`, these are my imports: ``` import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentTransaction; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.TextView; ``` i never had seen that i got null for a FragmentManager anybody got an Idea?