Flutter 获取是否是暗黑模式,屏幕宽度,屏幕高度

导入 import 'dart:ui';

1.获取  window.platformBrightness 的值  如果是 Brightness.light 代表是正常模式, 如果是Brightness.dark代表是暗黑模式

2.获取屏幕宽高

final double screenWidth = window.physicalSize.width/window.devicePixelRatio;

final double screenHeight = window.physicalSize.height/window.devicePixelRatio;