textView setText() NullPointerException

Question

I have an almost completely Vanilla App. All I\'m trying to do is change the text of a textView, but it gives me a NullPointerException. I have no XML configuration, no added me

Answer 1

Can you post xml? It's likely that the id your java is assuming "R.id.textView1" is wrong. Maybe R.id.textview1?

Well if your text view lives inside the fragment just do this:

@Override
        public View onCreateView(LayoutInflater inflater, ViewGroup container,
                Bundle savedInstanceState) {
            View rootView = inflater.inflate(R.layout.fragment_main, container,
                    false);
            TextView tv = (TextView) rootView.findViewById(R.id.textView1);
        tv.setText("Teststring");
            return rootView;
        }