Android is based on what is determined to show the picture?

            
RT, Andrews would like to know is how to determine the internal image to display, such as a two Andrews Machine 240 * 320, 480 * 800 one, that applications are judged by what image resources to choose mdpi or hdpi inside inside of?
Reply:
Should be adapted to the screen layout similar way to add it, you can get to the resolution of the screen and then compare with the layout named
Reply:
Screen resolution.