2.3

@@ -6,6 +6,9 @@
  * @Description: Update log
  -->
 
+# 2.3.0
+- We still need context to initialize, sorry.
+
 # 2.2.0
 - add 'wp','hp'. Get the height/width of the screen proportionally
 - For example: 0.5.wp : Half the width of the screen.

@@ -49,16 +49,16 @@ Be sure to set the page in the MaterialApp's home/initialRoute(ie the entry file
 //fill in the screen size of the device in the design
 
 //default value : width : 1080px , height:1920px , allowFontScaling:false
-ScreenUtil.init(context);        //flutter_screenuitl < 1.2
-ScreenUtil.init();               //flutter_screenuitl >= 1.2
+ScreenUtil.init(context);        ~~//flutter_screenuitl < 1.2~~
+~~ScreenUtil.init();               //flutter_screenuitl >= 1.2~~
 
 //If the design is based on the size of the iPhone6 ​​(iPhone6 ​​750*1334)
-ScreenUtil.init(context, width: 750, height: 1334); //flutter_screenuitl < 1.2
-ScreenUtil.init(width: 750, height: 1334);          //flutter_screenuitl >= 1.2
+ScreenUtil.init(context, width: 750, height: 1334); ~~//flutter_screenuitl < 1.2~~
+~~ScreenUtil.init(width: 750, height: 1334);          //flutter_screenuitl >= 1.2~~
 
 //If you want to set the font size is scaled according to the system's "font size" assist option
-ScreenUtil.init(context, width: 750, height: 1334, allowFontScaling: true);    //flutter_screenuitl < 1.2
-ScreenUtil.init(width: 750, height: 1334, allowFontScaling: true);             //flutter_screenuitl >= 1.2
+ScreenUtil.init(context, width: 750, height: 1334, allowFontScaling: true);    ~~//flutter_screenuitl < 1.2~~
+~~ScreenUtil.init(width: 750, height: 1334, allowFontScaling: true);             //flutter_screenuitl >= 1.2~~
 
 ```
 

@@ -53,16 +53,16 @@ import 'package:flutter_screenutil/flutter_screenutil.dart';
 //填入设计稿中设备的屏幕尺寸
 
 //默认 width : 1080px , height:1920px , allowFontScaling:false
-ScreenUtil.init(context);        //flutter_screenuitl < 1.2
-ScreenUtil.init();               //flutter_screenuitl >= 1.2
+ScreenUtil.init(context);        ~~//flutter_screenuitl < 1.2~~
+~~ScreenUtil.init();               //flutter_screenuitl >= 1.2~~
 
 //假如设计稿是按iPhone6的尺寸设计的(iPhone6 750*1334) 
-ScreenUtil.init(context, width: 750, height: 1334); //flutter_screenuitl < 1.2
-ScreenUtil.init(width: 750, height: 1334);          //flutter_screenuitl >= 1.2
+ScreenUtil.init(context, width: 750, height: 1334); ~~//flutter_screenuitl < 1.2~~
+~~ScreenUtil.init(width: 750, height: 1334);          //flutter_screenuitl >= 1.2~~
 
 //设置字体大小根据系统的“字体大小”辅助选项来进行缩放,默认为false
-ScreenUtil.init(context, width: 750, height: 1334, allowFontScaling: true);    //flutter_screenuitl < 1.2
-ScreenUtil.init(width: 750, height: 1334, allowFontScaling: true);             //flutter_screenuitl >= 1.2
+ScreenUtil.init(context, width: 750, height: 1334, allowFontScaling: true);    ~~//flutter_screenuitl < 1.2~~
+~~ScreenUtil.init(width: 750, height: 1334, allowFontScaling: true);             //flutter_screenuitl >= 1.2~~
     
 ```
 

@@ -49,16 +49,16 @@ Certifique-se de definir as dimensões na paginal inicial do MaterialApp (ou sej
 //Preencha o tamanho da tela do dispositivo no protótipo de design
 
 //Valor padrão: width : 1080px , height:1920px , allowFontScaling:false
-ScreenUtil.init(context);        //flutter_screenuitl < 1.2
-ScreenUtil.init();               //flutter_screenuitl >= 1.2
+ScreenUtil.init(context);        ~~//flutter_screenuitl < 1.2~~
+~~ScreenUtil.init();               //flutter_screenuitl >= 1.2~~
 
 //Se o design é baseado no iPhone6 ​​(iPhone6 ​​750*1334)
-ScreenUtil.init(context, width: 750, height: 1334); //flutter_screenuitl < 1.2
-ScreenUtil.init(width: 750, height: 1334);          //flutter_screenuitl >= 1.2
+ScreenUtil.init(context, width: 750, height: 1334); ~~//flutter_screenuitl < 1.2~~
+~~ScreenUtil.init(width: 750, height: 1334);          //flutter_screenuitl >= 1.2~~
 
 //Se você quer definir que o tamanho da fonte seja ajustado de acordo com a opção "tamanho da fonte" na acessibilidade do sistema
-ScreenUtil.init(context, width: 750, height: 1334, allowFontScaling: true);    //flutter_screenuitl < 1.2
-ScreenUtil.init(width: 750, height: 1334, allowFontScaling: true);             //flutter_screenuitl >= 1.2
+ScreenUtil.init(context, width: 750, height: 1334, allowFontScaling: true);    ~~//flutter_screenuitl < 1.2~~
+~~ScreenUtil.init(width: 750, height: 1334, allowFontScaling: true);             //flutter_screenuitl >= 1.2~~
 
 ```
 

 org.gradle.jvmargs=-Xmx1536M
 android.enableR8=true
+android.useAndroidX=true
+android.enableJetifier=true
\ No newline at end of file

 #!/bin/sh
 # This is a generated file; do not edit or check into version control.
-export "FLUTTER_ROOT=D:\Develop\flutter"
-export "FLUTTER_APPLICATION_PATH=D:\Develop\Project\flutter_screenutil\example"
-export "FLUTTER_TARGET=lib\main.dart"
+export "FLUTTER_ROOT=/Users/lizhuoyuan/Development/flutter"
+export "FLUTTER_APPLICATION_PATH=/Users/lizhuoyuan/Development/Project/flutter_screenutil/example"
+export "FLUTTER_TARGET=lib/main.dart"
 export "FLUTTER_BUILD_DIR=build"
-export "SYMROOT=${SOURCE_ROOT}/../build\ios"
-export "OTHER_LDFLAGS=$(inherited) -framework Flutter"
-export "FLUTTER_FRAMEWORK_DIR=D:\Develop\flutter\bin\cache\artifacts\engine\ios"
+export "SYMROOT=${SOURCE_ROOT}/../build/ios"
+export "FLUTTER_FRAMEWORK_DIR=/Users/lizhuoyuan/Development/flutter/bin/cache/artifacts/engine/ios"
 export "FLUTTER_BUILD_NAME=1.0.0"
 export "FLUTTER_BUILD_NUMBER=1"

+import 'dart:ui';
+
 import 'package:flutter/material.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 
@@ -26,7 +28,7 @@ class _MyHomePageState extends State<MyHomePage> {
   @override
   Widget build(BuildContext context) {
     //Set the fit size (fill in the screen size of the device in the design) If the design is based on the size of the iPhone6 ​​(iPhone6 ​​750*1334)
-    ScreenUtil.init(width: 750, height: 1334, allowFontScaling: false);
+    ScreenUtil.init(context, width: 750, height: 1334, allowFontScaling: false);
 
     return ExampleWidget(title: 'FlutterScreenUtil Demo');
   }
@@ -44,7 +46,7 @@ class ExampleWidget extends StatefulWidget {
 class _ExampleWidgetState extends State<ExampleWidget> {
   @override
   Widget build(BuildContext context) {
-    printScreenInformation();
+    //printScreenInformation();
     return Scaffold(
       appBar: AppBar(
         title: Text(widget.title),
@@ -123,7 +125,8 @@ class _ExampleWidgetState extends State<ExampleWidget> {
       floatingActionButton: FloatingActionButton(
         child: Icon(Icons.title),
         onPressed: () {
-          ScreenUtil.init(width: 1500, height: 1334, allowFontScaling: false);
+          ScreenUtil.init(context,
+              width: 1500, height: 1334, allowFontScaling: false);
           setState(() {});
         },
       ),

@@ -31,7 +31,7 @@ class _MyHomePageState extends State<MyHomePage> {
   Widget build(BuildContext context) {
     //设置适配尺寸 (填入设计稿中设备的屏幕尺寸) 此处假如设计稿是按iPhone6的尺寸设计的(iPhone6 750*1334)
 
-    ScreenUtil.init(width: 750, height: 1334, allowFontScaling: false);
+    ScreenUtil.init(context,width: 750, height: 1334, allowFontScaling: false);
 
     return ExampleWidget(title: 'FlutterScreenUtil示例');
   }
@@ -126,7 +126,7 @@ class _ExampleWidgetState extends State<ExampleWidget> {
       floatingActionButton: FloatingActionButton(
         child: Icon(Icons.title),
         onPressed: () {
-          ScreenUtil.init(width: 1500, height: 1334, allowFontScaling: false);
+          ScreenUtil.init(context,width: 1500, height: 1334, allowFontScaling: false);
           setState(() {});
         },
       ),

@@ -3,7 +3,7 @@
  * email: zhuoyuan93@gmail.com
  */
 
-import 'dart:ui';
+import 'package:flutter/material.dart';
 
 class ScreenUtil {
   static ScreenUtil _instance;
@@ -19,7 +19,7 @@ class ScreenUtil {
   /// allowFontScaling Specifies whether fonts should scale to respect Text Size accessibility settings. The default is false.
   bool allowFontScaling;
 
-  static double _screenWidth;
+   static double _screenWidth;
   static double _screenHeight;
   static double _pixelRatio;
   static double _statusBarHeight;
@@ -32,22 +32,24 @@ class ScreenUtil {
     return _instance;
   }
 
-  static void init(
+  static void init(BuildContext context,
       {num width = defaultWidth,
-      num height = defaultHeight,
-      bool allowFontScaling = false}) {
+        num height = defaultHeight,
+        bool allowFontScaling = false}) {
     if (_instance == null) {
       _instance = ScreenUtil._();
     }
     _instance.uiWidthPx = width;
     _instance.uiHeightPx = height;
     _instance.allowFontScaling = allowFontScaling;
-    _pixelRatio = window.devicePixelRatio;
-    _screenWidth = window.physicalSize.width;
-    _screenHeight = window.physicalSize.height;
-    _statusBarHeight = window.padding.top;
-    _bottomBarHeight = window.padding.bottom;
-    _textScaleFactor = window.textScaleFactor;
+
+    MediaQueryData mediaQuery = MediaQuery.of(context);
+     _pixelRatio = mediaQuery.devicePixelRatio;
+    _screenWidth = mediaQuery.size.width;
+    _screenHeight = mediaQuery.size.height;
+    _statusBarHeight = mediaQuery.padding.top;
+    _bottomBarHeight = mediaQuery.padding.bottom;
+    _textScaleFactor = mediaQuery.textScaleFactor;
   }
 
   /// 每个逻辑像素的字体像素数，字体的缩放比例
@@ -60,27 +62,23 @@ class ScreenUtil {
 
   /// 当前设备宽度 dp
   /// The horizontal extent of this size.
-  static double get screenWidth => _screenWidth / _pixelRatio;
+  static double get screenWidth => _screenWidth;
 
   ///当前设备高度 dp
   ///The vertical extent of this size. dp
-  static double get screenHeight => _screenHeight / _pixelRatio;
+  static double get screenHeight => _screenHeight;
 
   /// 当前设备宽度 px
   /// The vertical extent of this size. px
-  static double get screenWidthPx => _screenWidth;
+  static double get screenWidthPx => _screenWidth * _pixelRatio;
 
   /// 当前设备高度 px
   /// The vertical extent of this size. px
-  static double get screenHeightPx => _screenHeight;
-
-  /// 状态栏高度 dp 刘海屏会更高
-  /// The offset from the top
-  static double get statusBarHeight => _statusBarHeight / _pixelRatio;
+  static double get screenHeightPx => _screenHeight * _pixelRatio;
 
   /// 状态栏高度 dp 刘海屏会更高
   /// The offset from the top
-  static double get statusBarHeightPx => _statusBarHeight;
+  static double get statusBarHeight => _statusBarHeight;
 
   /// 底部安全区距离 dp
   /// The offset from the bottom.
@@ -88,9 +86,9 @@ class ScreenUtil {
 
   /// 实际的dp与UI设计px的比例
   /// The ratio of the actual dp to the design draft px
-  double get scaleWidth => screenWidth / uiWidthPx;
+  double get scaleWidth => _screenWidth / uiWidthPx;
 
-  double get scaleHeight => screenHeight / uiHeightPx;
+  double get scaleHeight => _screenHeight / uiHeightPx;
 
   double get scaleText => scaleWidth;
 
@@ -119,9 +117,9 @@ class ScreenUtil {
   num setSp(num fontSize, {bool allowFontScalingSelf}) =>
       allowFontScalingSelf == null
           ? (allowFontScaling
-              ? (fontSize * scaleText)
-              : ((fontSize * scaleText) / _textScaleFactor))
+          ? (fontSize * scaleText)
+          : ((fontSize * scaleText) / _textScaleFactor))
           : (allowFontScalingSelf
-              ? (fontSize * scaleText)
-              : ((fontSize * scaleText) / _textScaleFactor));
+          ? (fontSize * scaleText)
+          : ((fontSize * scaleText) / _textScaleFactor));
 }

 name: flutter_screenutil
 description: A flutter plugin for adapting screen and font size.Guaranteed to look good on different models
-version: 2.2.0
+version: 2.3.0
 homepage: https://github.com/OpenFlutter/flutter_screenutil
 
 environment: