4.0.0-beta readme

@@ -190,7 +190,7 @@ Column(
 
 ### Example:
 
-[example demo](/example/lib/main.dart)
+[example demo](https://github.com/OpenFlutter/flutter_screenutil/blob/master/example/lib/main_zh.dart)
  
 ### Effect:
 

@@ -184,145 +184,12 @@ Column(
             )
 ```
 
-```dart
-import 'package:flutter/material.dart';
-import 'package:flutter_screenutil/flutter_screenutil.dart';
-
-void main() => runApp(MyApp());
-
-class MyApp extends StatelessWidget {
-  @override
-  Widget build(BuildContext context) {
-    return LayoutBuilder(
-      builder: (context, constraints) {
-        //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(constraints, designSize: Size(750, 1334), allowFontScaling: false);
-
-        return MaterialApp(
-          debugShowCheckedModeBanner: false,
-          title: 'Flutter_ScreenUtil',
-          theme: ThemeData(
-            primarySwatch: Colors.blue,
-          ),
-          home: HomePage(title: 'FlutterScreenUtil Demo'),
-        );
-      },
-    );
-  }
-}
-
-class HomePage extends StatefulWidget {
-  const HomePage({Key key, this.title}) : super(key: key);
-
-  final String title;
-
-  @override
-  _HomePageState createState() => _HomePageState();
-}
-
-class _HomePageState extends State<HomePage> {
-  @override
-  Widget build(BuildContext context) {
-    printScreenInformation();
-    return Scaffold(
-      appBar: AppBar(
-        title: Text(widget.title),
-      ),
-      body: SingleChildScrollView(
-        child: Column(
-          crossAxisAlignment: CrossAxisAlignment.center,
-          children: <Widget>[
-            Row(
-              children: <Widget>[
-                Container(
-                  padding: EdgeInsets.all(ScreenUtil().setWidth(10)),
-                  width: ScreenUtil().setWidth(375),
-                  height: ScreenUtil().setHeight(200),
-                  color: Colors.red,
-                  child: Text(
-                    '我的宽度:${0.5.sw}dp \n'
-                    '我的高度:${ScreenUtil().setHeight(200)}dp',
-                    style: TextStyle(color: Colors.white, fontSize: ScreenUtil().setSp(24)),
-                  ),
-                ),
-                Container(
-                  padding: EdgeInsets.all(ScreenUtil().setWidth(10)),
-                  width: 375.w,
-                  height: 200.h,
-                  color: Colors.blue,
-                  child: Text(
-                      '我的宽度:${375.w}dp \n'
-                      '我的高度:${200.h}dp',
-                      style: TextStyle(color: Colors.white, fontSize: ScreenUtil().setSp(24))),
-                ),
-              ],
-            ),
-            Text('设备宽度:${ScreenUtil().screenWidthPx}px'),
-            Text('设备高度:${ScreenUtil().screenHeightPx}px'),
-            Text('设备宽度:${ScreenUtil().screenWidth}dp'),
-            Text('设备高度:${ScreenUtil().screenHeight}dp'),
-            Text('设备的像素密度:${ScreenUtil().pixelRatio}'),
-            Text('底部安全区距离:${ScreenUtil().bottomBarHeight}dp'),
-            Text('状态栏高度:${ScreenUtil().statusBarHeight}dp'),
-            Text(
-              '实际宽度的dp与设计稿px的比例:${ScreenUtil().scaleWidth}',
-              textAlign: TextAlign.center,
-            ),
-            Text(
-              '实际高度的dp与设计稿px的比例:${ScreenUtil().scaleHeight}',
-              textAlign: TextAlign.center,
-            ),
-            SizedBox(
-              height: 100.h,
-            ),
-            Text('系统的字体缩放比例:${ScreenUtil().textScaleFactor}'),
-            Column(
-              crossAxisAlignment: CrossAxisAlignment.start,
-              children: <Widget>[
-                Text(
-                  '我的文字大小在设计稿上是24px，不会随着系统的文字缩放比例变化',
-                  style: TextStyle(
-                    color: Colors.black,
-                    fontSize: 24.sp,
-                  ),
-                ),
-                Text(
-                  '我的文字大小在设计稿上是24px，会随着系统的文字缩放比例变化',
-                  style: TextStyle(
-                    color: Colors.black,
-                    fontSize: 24.ssp,
-                  ),
-                ),
-              ],
-            )
-          ],
-        ),
-      ),
-    );
-  }
-
-  void printScreenInformation() {
-    print('设备宽度:${1.sw}');
-    print('设备高度:${1.sh}');
-    print('设备的像素密度:${ScreenUtil().pixelRatio}');
-    print('底部安全区距离:${ScreenUtil().bottomBarHeight}dp');
-    print('状态栏高度:${ScreenUtil().statusBarHeight}dp');
-    print('实际宽度的dp与设计稿px的比例:${ScreenUtil().scaleWidth}');
-    print('实际高度的dp与设计稿px的比例:${ScreenUtil().scaleHeight}');
-    print('宽度和字体相对于设计稿放大的比例:${ScreenUtil().scaleWidth * ScreenUtil().pixelRatio}');
-    print('高度相对于设计稿放大的比例:${ScreenUtil().scaleHeight * ScreenUtil().pixelRatio}');
-    print('系统的字体缩放比例:${ScreenUtil().textScaleFactor}');
-    print('屏幕宽度的0.5:${0.5.sw}');
-    print('屏幕高度的0.5:${0.5.sh}');
-  }
-}
-
 ```
 [widget test](https://github.com/OpenFlutter/flutter_screenutil/issues/115)
 
 ### 使用示例:
 
-[example demo](https://github.com/OpenFlutter/flutter_ScreenUtil/blob/master/example/lib/main_zh.dart)
+[example demo](https://github.com/OpenFlutter/flutter_screenutil/blob/master/example/lib/main_zh.dart)
  
 效果:
 

@@ -333,7 +333,7 @@ class _HomePageState extends State<HomePage> {
 
 ### Exemplo:
 
-[Demonstração](/example/lib/main_zh.dart)
+[Demonstração](https://github.com/OpenFlutter/flutter_screenutil/blob/master/example/lib/main_zh.dart)
  
 Efeito:
 

@@ -2,10 +2,14 @@
 # This is a generated file; do not edit or check into version control.
 export "FLUTTER_ROOT=/Users/lizhuoyuan/Development/flutter"
 export "FLUTTER_APPLICATION_PATH=/Users/lizhuoyuan/Development/Project/flutter_screenutil/example"
-export "FLUTTER_TARGET=/Users/lizhuoyuan/Development/Project/flutter_screenutil/example/lib/main.dart"
+export "FLUTTER_TARGET=lib/main.dart"
 export "FLUTTER_BUILD_DIR=build"
 export "SYMROOT=${SOURCE_ROOT}/../build/ios"
-export "FLUTTER_FRAMEWORK_DIR=/Users/lizhuoyuan/Development/flutter/bin/cache/artifacts/engine/ios"
+export "OTHER_LDFLAGS=$(inherited) -framework Flutter"
+export "FLUTTER_FRAMEWORK_DIR=/Users/lizhuoyuan/Development/flutter/bin/cache/artifacts/engine/ios-release"
 export "FLUTTER_BUILD_NAME=1.0.0"
 export "FLUTTER_BUILD_NUMBER=1"
-export "TRACK_WIDGET_CREATION=true"
+export "DART_OBFUSCATION=false"
+export "TRACK_WIDGET_CREATION=false"
+export "TREE_SHAKE_ICONS=true"
+export "PACKAGE_CONFIG=.packages"

@@ -9,10 +9,6 @@
 /* Begin PBXBuildFile section */
 		1498D2341E8E89220040F4C2 /* GeneratedPluginRegistrant.m in Sources */ = {isa = PBXBuildFile; fileRef = 1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */; };
 		3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */ = {isa = PBXBuildFile; fileRef = 3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */; };
-		3B80C3941E831B6300D905FE /* App.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 3B80C3931E831B6300D905FE /* App.framework */; };
-		3B80C3951E831B6300D905FE /* App.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 3B80C3931E831B6300D905FE /* App.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
-		9705A1C61CF904A100538489 /* Flutter.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 9740EEBA1CF902C7004384FC /* Flutter.framework */; };
-		9705A1C71CF904A300538489 /* Flutter.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 9740EEBA1CF902C7004384FC /* Flutter.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		9740EEB41CF90195004384FC /* Debug.xcconfig in Resources */ = {isa = PBXBuildFile; fileRef = 9740EEB21CF90195004384FC /* Debug.xcconfig */; };
 		978B8F6F1D3862AE00F588F7 /* AppDelegate.m in Sources */ = {isa = PBXBuildFile; fileRef = 7AFFD8EE1D35381100E5BB4D /* AppDelegate.m */; };
 		97C146F31CF9000F007C117D /* main.m in Sources */ = {isa = PBXBuildFile; fileRef = 97C146F21CF9000F007C117D /* main.m */; };
@@ -28,8 +24,6 @@
 			dstPath = "";
 			dstSubfolderSpec = 10;
 			files = (
-				3B80C3951E831B6300D905FE /* App.framework in Embed Frameworks */,
-				9705A1C71CF904A300538489 /* Flutter.framework in Embed Frameworks */,
 			);
 			name = "Embed Frameworks";
 			runOnlyForDeploymentPostprocessing = 0;
@@ -40,13 +34,11 @@
 		1498D2321E8E86230040F4C2 /* GeneratedPluginRegistrant.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = GeneratedPluginRegistrant.h; sourceTree = "<group>"; };
 		1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = GeneratedPluginRegistrant.m; sourceTree = "<group>"; };
 		3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; name = AppFrameworkInfo.plist; path = Flutter/AppFrameworkInfo.plist; sourceTree = "<group>"; };
-		3B80C3931E831B6300D905FE /* App.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = App.framework; path = Flutter/App.framework; sourceTree = "<group>"; };
 		7AFA3C8E1D35360C0083082E /* Release.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; name = Release.xcconfig; path = Flutter/Release.xcconfig; sourceTree = "<group>"; };
 		7AFFD8ED1D35381100E5BB4D /* AppDelegate.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = AppDelegate.h; sourceTree = "<group>"; };
 		7AFFD8EE1D35381100E5BB4D /* AppDelegate.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = AppDelegate.m; sourceTree = "<group>"; };
 		9740EEB21CF90195004384FC /* Debug.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = Debug.xcconfig; path = Flutter/Debug.xcconfig; sourceTree = "<group>"; };
 		9740EEB31CF90195004384FC /* Generated.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = Generated.xcconfig; path = Flutter/Generated.xcconfig; sourceTree = "<group>"; };
-		9740EEBA1CF902C7004384FC /* Flutter.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Flutter.framework; path = Flutter/Flutter.framework; sourceTree = "<group>"; };
 		97C146EE1CF9000F007C117D /* Runner.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Runner.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		97C146F21CF9000F007C117D /* main.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = main.m; sourceTree = "<group>"; };
 		97C146FB1CF9000F007C117D /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/Main.storyboard; sourceTree = "<group>"; };
@@ -60,8 +52,6 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				9705A1C61CF904A100538489 /* Flutter.framework in Frameworks */,
-				3B80C3941E831B6300D905FE /* App.framework in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -71,9 +61,7 @@
 		9740EEB11CF90186004384FC /* Flutter */ = {
 			isa = PBXGroup;
 			children = (
-				3B80C3931E831B6300D905FE /* App.framework */,
 				3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */,
-				9740EEBA1CF902C7004384FC /* Flutter.framework */,
 				9740EEB21CF90195004384FC /* Debug.xcconfig */,
 				7AFA3C8E1D35360C0083082E /* Release.xcconfig */,
 				9740EEB31CF90195004384FC /* Generated.xcconfig */,
@@ -87,7 +75,6 @@
 				9740EEB11CF90186004384FC /* Flutter */,
 				97C146F01CF9000F007C117D /* Runner */,
 				97C146EF1CF9000F007C117D /* Products */,
-				CF3B75C9A7D2FA2A4C99F110 /* Frameworks */,
 			);
 			sourceTree = "<group>";
 		};
@@ -165,6 +152,7 @@
 			developmentRegion = English;
 			hasScannedForEncodings = 0;
 			knownRegions = (
+				English,
 				en,
 				Base,
 			);
@@ -206,7 +194,7 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "/bin/sh \"$FLUTTER_ROOT/packages/flutter_tools/bin/xcode_backend.sh\" thin";
+			shellScript = "/bin/sh \"$FLUTTER_ROOT/packages/flutter_tools/bin/xcode_backend.sh\" embed_and_thin";
 		};
 		9740EEB61CF901F6004384FC /* Run Script */ = {
 			isa = PBXShellScriptBuildPhase;
@@ -259,7 +247,6 @@
 /* Begin XCBuildConfiguration section */
 		97C147031CF9000F007C117D /* Debug */ = {
 			isa = XCBuildConfiguration;
-			baseConfigurationReference = 9740EEB21CF90195004384FC /* Debug.xcconfig */;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				CLANG_ANALYZER_NONNULL = YES;
@@ -313,7 +300,6 @@
 		};
 		97C147041CF9000F007C117D /* Release */ = {
 			isa = XCBuildConfiguration;
-			baseConfigurationReference = 7AFA3C8E1D35360C0083082E /* Release.xcconfig */;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				CLANG_ANALYZER_NONNULL = YES;
@@ -365,6 +351,7 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
+				DEVELOPMENT_TEAM = "";
 				ENABLE_BITCODE = NO;
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(inherited)",
@@ -388,6 +375,7 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
+				DEVELOPMENT_TEAM = E4T4EJGC8Z;
 				ENABLE_BITCODE = NO;
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(inherited)",

@@ -16,6 +16,7 @@ class MyApp extends StatelessWidget {
           title: 'Flutter_ScreenUtil',
           theme: ThemeData(
             primarySwatch: Colors.blue,
+            textTheme: TextTheme(button: TextStyle(fontSize: 80.nsp)),
           ),
           home: HomePage(title: 'FlutterScreenUtil Demo'),
         );
@@ -47,6 +48,7 @@ class _HomePageState extends State<HomePage> {
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.center,
           children: <Widget>[
+            TextButton(onPressed: null, child: Text('text')),
             Row(
               children: <Widget>[
                 // Using Extensions

@@ -16,6 +16,7 @@ class MyApp extends StatelessWidget {
           title: 'Flutter_ScreenUtil',
           theme: ThemeData(
             primarySwatch: Colors.blue,
+            textTheme: TextTheme(button: TextStyle(fontSize: 80.nsp)),
           ),
           home: HomePage(title: 'FlutterScreenUtil Demo'),
         );