java.lang.NullPointerException: Attempt to invoke interface method 'int java.util.List.size()' on a null object reference

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via Stack Overflow by user1426900
, 1 year ago
Attempt to invoke interface method 'int java.util.List.size()' on a null object reference
via Stack Overflow by tontonlayxx
, 1 year ago
Attempt to invoke interface method 'int java.util.List.size()' on a null object reference
via Stack Overflow by Jordy Ruiz
, 1 year ago
Attempt to invoke interface method 'int java.util.List.size()' on a null object reference
via Stack Overflow by Vinicius Coelho
, 2 years ago
Attempt to invoke interface method 'int java.util.List.size()' on a null object reference
via Stack Overflow by user4789408
, 1 year ago
Attempt to invoke interface method 'int java.util.List.size()' on a null object reference
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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