Hi, Java Android beginner. I am making a chat app for my assignment. I get to th

Question

Hi,
Java Android beginner.
I am making a chat app for my assignment. I get to the end and crash.
I tried to figure out what is causing this but I can't see what am I missing.

Any help is appreciated. I need to have my data get on the gui when firing the emulator but that's when the crash happens.

This is my code, please help me repair the crash.

04-04 02:30:57.632 9436-9436/com.positiveid.mobilechatrevised E/AndroidRuntime: FATAL EXCEPTION: main Process: com.positiveid.mobilechatrevised, PID: 9436 java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.TextView.setText (java.lang.CharSequence)' on a null object refer at com.positiveid.mobilechatrevised.MainActivitysFetchPostsTask.onPostExecute (MainActivity.java:281) at com.positiveid .mobilechatrevised .MainActivity$FetchPostsTask.onPostExecute (Main ctivity. va: 200) at android.os.AsyncTask.finish (AsyncTask.java: 667) at android.os.AsyncTask.-wrapl (AsyncTask.java) at android.os.AsyncTasksInternalHandler.handleMessage (AsyncTask.java: 684) at android.os . Handler.dispatchMessage (Handler.java: 102) at android.os.Looper.loop (Looper.java:154) at android.app.ActivityThread.main (ActivityThread.java: 6119) at com.android.internal.os.ZygoteInitMethodAndArgsCaller.run (ZygoteInit.java:886) at com.android.internal.os.ZygoteInit.main (ZygoteInit.java: 776) 03

Explanation / Answer

Can you please share your xml layout (R.layout.activity_main) as seems like

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