title: How do I get androids defualt control images
body: <p>I want to change the color used to indicate a selected radio button.  I've found an <a href="https://stackoverflow.com/questions/2715950/any-way-to-change-the-color-of-a-radio-button">explanation</a> of how to do so.  The only thing I'm missing is a source of images to use.  To maintain a consistent appearance I want to take the existing images that are used by default and just recolor them.  I've seen a guide explaining to get the images in the past, but when I try searching I'm unable to find it.</p>