merge 4.0.2+3

+# 5.0.0-nullsafety.3
+- merge 4.0.2+3
+
 # 5.0.0-nullsafety.2
 # 5.0.0-nullsafety.2
 - merge 4.0.2+2 #186
 - merge 4.0.2+2 #186
 
 

@@ -23,7 +23,7 @@ dependencies:
   flutter:
   flutter:
     sdk: flutter
     sdk: flutter
   # add flutter_screenutil
   # add flutter_screenutil
-  flutter_screenutil: ^5.0.0-nullsafety.1
+  flutter_screenutil: ^{latest version}
 ```
 ```
 ### Add the following imports to your Dart code:
 ### Add the following imports to your Dart code:
 ```dart
 ```dart

@@ -28,7 +28,7 @@ dependencies:
   flutter:
   flutter:
     sdk: flutter
     sdk: flutter
   # 添加依赖
   # 添加依赖
-  flutter_screenutil: ^5.0.0-nullsafety.1
+  flutter_screenutil: ^{latest version}
 ```
 ```
 ### 在每个使用的地方导入包：
 ### 在每个使用的地方导入包：
 ```dart
 ```dart

@@ -24,7 +24,7 @@ dependencies:
   flutter:
   flutter:
     sdk: flutter
     sdk: flutter
   # add flutter_screenutil
   # add flutter_screenutil
-  flutter_screenutil: ^5.0.0-nullsafety.1
+  flutter_screenutil: ^{latest version}
 ```
 ```
 
 
 ### Adicione o seguinte import em seu código Dart:
 ### Adicione o seguinte import em seu código Dart:

@@ -22,12 +22,14 @@ class ScreenUtilInit extends StatelessWidget {
   @override
   @override
   Widget build(BuildContext context) {
   Widget build(BuildContext context) {
     return LayoutBuilder(
     return LayoutBuilder(
+      // ignore: missing_return
       builder: (_, BoxConstraints constraints) {
       builder: (_, BoxConstraints constraints) {
-        ScreenUtil.init(
-          constraints,
-          designSize: designSize,
-          allowFontScaling: allowFontScaling,
-        );
+        if (constraints.maxWidth != 0) {
+          ScreenUtil.init(
+            constraints,
+            designSize: designSize,
+            allowFontScaling: allowFontScaling,
+          );
 
 
         return child;
         return child;
       },
       },

 name: flutter_screenutil
 name: flutter_screenutil
 description: A flutter plugin for adapting screen and font size.Guaranteed to look good on different models
 description: A flutter plugin for adapting screen and font size.Guaranteed to look good on different models
-version: 5.0.0-nullsafety.2
+version: 5.0.0-nullsafety.3
 homepage: https://github.com/OpenFlutter/flutter_screenutil
 homepage: https://github.com/OpenFlutter/flutter_screenutil
 
 
 environment:
 environment: