Custom Layout for DialogFragment OnCreateView vs. OnCreateDialog

Question

I'm trying to create a DialogFragment using my own Layout.

I've seen a couple different approaches. Sometimes the layout is set in OnCreateDialog like this: (I'm using Mono but I've gotten somewhat used to Java)

public override Android.App.Dialog OnCreateDialog (Bundle savedInstanceState)
{
    base.OnCreateDialog(savedInstanceState);
    AlertDialog.Builder b = new AlertDialog.Builder(Activity);
        //blah blah blah
    LayoutInflater i = Activity.LayoutInflater;
    b.SetView(i.Inflate(Resource.Layout.frag_SelectCase, null));
    return b.Create();
}

This first approach works for me... until I want to use findViewByID. so after a bit of googling I tried the second approach which involves overriding OnCreateView

So I commented out two lines of OnCreateDialog that set the Layout and then added this:

public override Android.Views.View OnCreateView (LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
{
    View v = inflater.Inflate(Resource.Layout.frag_SelectCase, container, false);
        //should be able to use FindViewByID here...
    return v;
}

which gives me a lovely error:

11-05 22:00:05.381: E/AndroidRuntime(342): FATAL EXCEPTION: main
11-05 22:00:05.381: E/AndroidRuntime(342): android.util.AndroidRuntimeException: requestFeature() must be called before adding content

I'm stumped.

Answer 1

I had the same exception with the following code:

public class SelectWeekDayFragment extends DialogFragment {

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        return new AlertDialog.Builder(getActivity())
        .setMessage("Are you sure?").setPositiveButton("Ok", null)
        .setNegativeButton("No way", null).create();
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.week_day_dialog, container, false);

        return view;    
    }
}

You must choose to override only one of onCreateView or onCreateDialog in a DialogFragment. Overriding both will result in the exception: "requestFeature() must be called before adding content".

Important

For complete answer check the @TravisChristian comment. As he said, you can override both indeed, but the problem comes when you try to inflate the view after having already creating the dialog view.