Android EditText setText不更新文本

嗨,您好.我不知道发生了什么.我在创建DialogFragment时尝试更改EditText的文本,但EditText不更新文本.
如果我调用getText().length()我注意到EditText的内容发生了变化.但是,视觉保持不变,只是空洞.

为什么？

在此先感谢大家

这是代码：

public class ItemnameDialog extends DialogFragment {
    @Override
    public Dialog onCreateDialog(final Bundle bundlE) {
        System.out.println("ON CREATE DIALOG WAS CALLED");   //This appears on LogCat,so this method is called.. the problem is not that

        AlertDialog.builder builder = new AlertDialog.builder(getActivity());
        builder.settitle("Configure an item to count:");

        LayoutInflater inflater = getActivity().getLayoutInflater();

        @R_607_3868@ = inflater.inflate(R.layout.itempick_layout,null);
        builder.setView(view);

        final checkBox Box = (checkBox) view.findViewById(R.id.itemSensecheckBox);
        final EditText itemnameBox = (EditText) view.findViewById(R.id.itemnameText);
        final Spinner spinner = (Spinner) view.findViewById(R.id.itemsDefault);
        final int viewIDClicked = getArguments().geTint(clickableViewID);
        final String actualName = getArguments().getString(actualNameItemView);

        System.out.println("H - before: " + itemnameBox.getText().toString().length());    //it appears on logcat "H - before: 0"
        itemnameBox.setText(actualName);
        System.out.println("H - after: " + itemnameBox.getText().toString().length());   //it appears on logcat "H - before: 3"  so why not changing ?

        return builder.create();
    }
}

@Override
public void onItemSELEcted(AdapterView<?> parent,@R_607_3868@,int pos,long id) {

if(pos == 0){
    if(editText.length() != 0 )
        editText.setText("");
}

@Override
public void onItemSELEcted(AdapterView<?> parent,long id) {

    if(firstGoingSpinner){
            firstGoingSpinner = false;

        }else{
            if(pos == 0){
                if(editText.length() != 0 )
                    editText.setText("");

            }else{
                editText.setText(""+parent.getItemAtPosition(pos));
                Editable etext = editText.getText();
                SELEction.setSELEction(etext,editText.length());
            }

        }
    }