java.lang.NullPointerException: Attempt to invoke virtual method 'android.app.FragmentTransaction android.app.FragmentManager.beginTransaction()' on a null object reference

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via Stack Overflow by Nitish
, 1 year ago
Attempt to invoke virtual method 'android.app.FragmentTransaction android.app.FragmentManager.beginTransaction()' on a null object reference
via Stack Overflow by Unknown author, 2 years ago
Attempt to invoke virtual method 'android.app.FragmentTransaction android.app.FragmentManager.beginTransaction()' on a null object reference
java.lang.NullPointerException: Attempt to invoke virtual method 'android.app.FragmentTransaction android.app.FragmentManager.beginTransaction()' on a null object reference
at android.app.DialogFragment.show(DialogFragment.java:228)
at in.droom.fragments.HomeScreenFragment.updateUI(HomeScreenFragment.java:553)
at in.droom.fragments.HomeScreenFragment.onResponse(HomeScreenFragment.java:626)
at in.droom.fragments.HomeScreenFragment.onResponse(HomeScreenFragment.java:100)
at in.droom.util.DroomApi$1.onPostExecute(DroomApi.java:1136)
at in.droom.util.DroomApi$1.onPostExecute(DroomApi.java:1094)
at android.os.AsyncTask.finish(AsyncTask.java:636)
at android.os.AsyncTask.access$500(AsyncTask.java:177)
at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:653)
at android.os.Handler.dispatchMessage(Handler.java:111)
at android.os.Looper.loop(Looper.java:194)
at android.app.ActivityThread.main(ActivityThread.java:5637)
at java.lang.reflect.Method.invoke(Method.java)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:959)

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