Android 获得手机屏幕宽高参数的几种方法

方法1：

WindowManager windowManager= (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
int width = windowManager.getDefaultDisplay().getWidth();
int height = windowManager.getDefaultDisplay().getHeight();

方法2：

WindowManager windowManager=this.getWindowManager();
int width = windowManager.getDefaultDisplay().getWidth();
int height = windowManager.getDefaultDisplay().getHeight();

方法3：

DisplayMetrics displayMetrics=context.getResources().getDisplayMetrics();
width=displayMetrics.widthPixels;
height=displayMetrics.heightPixels;

方法4：

WindowManager windowManager=this.getWindowManager();
DisplayMetrics displayMetrics=new DisplayMetrics();
windowManager.getDefaultDisplay().getMetrics(displayMetrics);
float width=displayMetrics.widthPixels;
float height=displayMetrics.heightPixels;