Value: 16843255
A layout to be used as the content View for the dialog. By default, this shouldn't be needed. If a custom DialogPreference is required, this should be set. For example, the EditTextPreference uses a layout with an EditText as this attribute.
Must be a reference to another resource, in the form "@[+][package:]type:name" or to a theme attribute in the form "?[package:][type:]name".