/**
* 获取手机屏幕宽和高
* 宽 = xy[0]
* 高 = xy[1]
* @return
*/
public int[] getPhone() {
int[] xy = new int[2];
DisplayMetrics dm = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(dm);
xy[0] = dm.widthPixels;
xy[1] = dm.heightPixels;
return xy;
}