Flutter获取设备的信息

需要导入 device_info: ^0.4.2+1

 需要导入 

import 'dart:ui';

// 1.媒体查询信息
final mediaQueryData = MediaQuery.of(context);

// 2.获取宽度和高度
final screenWidth = mediaQueryData.size.width;
final screenHeight = mediaQueryData.size.height;
final physicalWidth = window.physicalSize.width;
final physicalHeight = window.physicalSize.height;
final dpr = window.devicePixelRatio;
print("屏幕width:$screenWidth height:$screenHeight");
print("分辨率: $physicalWidth - $physicalHeight");
print("dpr: $dpr");

// 3.状态栏的高度
// 有刘海的屏幕:44 没有刘海的屏幕为20
final statusBarHeight = mediaQueryData.padding.top;
// 有刘海的屏幕:34 没有刘海的屏幕0
final bottomHeight = mediaQueryData.padding.bottom;
print("状态栏height: $statusBarHeight 底部高度:$bottomHeight");