获取手机的宽高

DisplayMetrics dm = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(dm);
int screenWidth = dm.widthPixels;// 屏幕的宽度
int screenHeight = dm.heightPixels; //屏幕的高度

WindowManager manager = getWindowManager();
Display display = manager.getDefaultDisplay();
int screenWidth = display.getWidth();// 屏幕的宽度
int screenHeight = display.getHeight();//屏幕的高度