public ChooserDialog withIcon(@DrawableRes int iconId) {
        this._iconRes = iconId;
        return this;
    }
To enable the option pane with create/delete folder on the fly.
When u set it true, you may need WRITE_EXTERNAL_STORAGE declaration too.

@param enableOptions true/false
@return this
android-file-chooser/src/main/java/com/obsez/android/lib/filechooser/ChooserDialog.java