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findViewById in Fragment

Jan 17, 2015 Android programming

In Fragment sub class in Android, you cannot directly use findViewById() to retrieve the control from view , similar with Activity. You need to do a single small step, this.getView(); Note that, to use this method, the view need to created, such as in onOptionsItemSelected

Code

txtTitle = (EditText)this.getView().findViewById(R.id.txt_title);

If you wish to use it in OnCreateView, please do that in this way. At that moment, the view is not created yet, this.getView() will return null.
E.g.

Code

public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View view  = inflater.inflate(R.layout.fragment_note_detail, container, false);
 
txtTitle = (EditText) this.getActivity().findViewById(R.id.txt_title);

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