Can't use onDismiss() when using custom dialogs - Android

Question

I\'m working on a little program, and I need to add a custom dialog that passes some info to the calling acitivity when it closes. I extended the dialog class, and when I try to

Answer 1

And if you want to have some sort of saving inside the dialog, again, you have to use onDicmissListener since for custom dialogs onDismiss is not called by default:

public class CustomDialog extends Dialog implements DialogInterface.OnDismissListener {

    public CustomDialog(Context context) {
        super(context);
        setupLayout(context);
    }

    public CustomDialog(Context context, int theme) {
        super(context, theme);
        setupLayout(context);
    }

    protected CustomDialog(Context context, boolean cancelable, OnCancelListener cancelListener) {
        super(context, cancelable, cancelListener);
        setupLayout(context);
    }

    private void setupLayout(Context context) {
        this.context = context;
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.custom_dialog);
        WindowManager.LayoutParams params = getWindow().getAttributes();
        params.width = WindowManager.LayoutParams.FILL_PARENT;
        getWindow().setAttributes(params);

        setOnDismissListener(this);

        loadPreferences();
    }

    private void loadPreferences() {
      // ...
    }

    private void savePreferences() {
       // ...
    }

    @Override
    public void onDismiss(DialogInterface dialogInterface) {
        savePreferences();
    }
}