针对 flutter_screenutil 封装

版本 ： flutter_screenutil: ^2.2.0

import 'package:flutter_screenutil/flutter_screenutil.dart';

/// 直接通过`类名称`访问里面的方法，方法为 静态方法
class ScreenAdaper {
  static init(context){
    /// 设计稿 --- 宽/高
    ScreenUtil.init();
    ScreenUtil.init(width: 750, height: 1334);
    ScreenUtil.init(width: 750, height: 1334, allowFontScaling: true);  //flutter_screenuitl >= 1.2
  }
    static sp(double value){
     return ScreenUtil().setSp(value, allowFontScalingSelf: true);  /// 获取 计算后的字体
    }
    static height(double value){
     return  ScreenUtil().setHeight(value);  /// 获取 计算后的高度
    }
    static width(double value){
     return ScreenUtil().setWidth(value);    /// 获取 计算后的宽度
    }
    static screenHeight(){
      return  ScreenUtil.screenHeight;  /// 获取 计算后的屏幕高度
    }
    static screenWidth(){
      return  ScreenUtil.screenWidth;  /// 获取 计算后的屏幕高度
    }

}