dialog

protected static TextView GroupName;
protected static EditText rename_dialog_edit;

in onCreateView:
GroupName = (TextView) view.findViewById(R.id.group_details_name);
rename_dialog_edit = (EditText) view.findViewById(R.id.groupdetails_rename);

void showDialog() {
        DialogFragment newFragment = MyAlertDialogFragment
                .newInstance(R.string.groupDetails_rename);
        newFragment.show(getFragmentManager(), "dialog");
    }

public static void doPositiveClick() {

        GroupName.setText(rename_dialog_edit.getText().toString());

        //Log.i("FragmentAlertDialog", "Positive click!");
    }

    public static void doNegativeClick() {

        //Log.i("FragmentAlertDialog", "Negative click!");
    }

    public static class MyAlertDialogFragment extends DialogFragment {

        public static MyAlertDialogFragment newInstance(int title) {
            MyAlertDialogFragment frag = new MyAlertDialogFragment();
            Bundle args = new Bundle();
            args.putInt("title", title);
            frag.setArguments(args);
            return frag;
        }

        @Override
        public Dialog onCreateDialog(Bundle savedInstanceState) {
            AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
            LayoutInflater inflater = getActivity().getLayoutInflater();
            //int title = getArguments().getInt("title");

            return builder.setView(inflater.inflate(R.layout.group_details_rename_dialog, null))
                    //.setIcon(R.drawable.logo)
                    //.setTitle(R.string.groupDetails_rename)
                    .setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() {
               @Override
               public void onClick(DialogInterface dialog, int id) {
                   doPositiveClick();
               }
                        })
                            .setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
                                   public void onClick(DialogInterface dialog, int id) {
                                       doNegativeClick();
                                   }
                            })
                            .create();
        }
    }