기기 해상도 구하기

DisplayMetrics displayMetrics = new DisplayMetrics();

getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);

int deviceWidth = displayMetrics.widthPixels;

int deviceHeight = displayMetrics.heightPixels;

getWindowManager().getDefaultDisplay().getMetrics(displayMetrics); 

int dipWidth  = (int) (120  * displayMetrics.density);

int dipHeight = (int) (90 * displayMetrics.density);