android activity设置全屏以及Android获得屏幕的宽和高
android activity设置全屏
??????????? requestWindowFeature(Window.FEATURE_NO_TITLE);

Android获得屏幕的宽和高

??? int screenWidth;
??? int screenHeight;

??? WindowManager windowManager = getWindowManager();

??? Display display = windowManager.getDefaultDisplay();
??? screenWidth = display.getWidth();
??? screenHeight = display.getHeight();