java.lang.NullPointerException

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  • Android simple adaptere that returns a NPE
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  • success in logcat but empty screen
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  • Simple Adapter - NullPointerException
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    • java.lang.NullPointerException: Attempt to invoke interface method 'int java.util.List.size()' on a null object reference at android.widget.SimpleAdapter.getCount(SimpleAdapter.java:100) at android.widget.ListView.setAdapter(ListView.java:491) at android.app.ListActivity.setListAdapter(ListActivity.java:265) at com.example.example.feed.ActivityFeedActivity$GetStudents.onPostExecute(ActivityFeedActivity.java:93) at com.example.example.feed.ActivityFeedActivity$GetStudents.onPostExecute(ActivityFeedActivity.java:47) at android.os.AsyncTask.finish(AsyncTask.java:651)

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