From 170cbf172b951bfcfdd704e47467621282a6d034 Mon Sep 17 00:00:00 2001
From: WJG <wjg12341234@163.com>
Date: Fri, 5 Feb 2021 11:12:52 +0800
Subject: [PATCH] fix #196, #209

---
 README.md                | 2 +-
 README_CN.md             | 2 +-
 README_PT.md             | 2 +-
 example/lib/main.dart    | 2 +-
 example/lib/main_zh.dart | 2 +-
 lib/screenutil_init.dart | 6 +++---
 6 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/README.md b/README.md
index 342e53c..f146760 100644
--- a/README.md
+++ b/README.md
@@ -50,7 +50,7 @@ class MyApp extends StatelessWidget {
     return ScreenUtilInit(
       designSize: Size(360, 690),
       allowFontScaling: false,
-      child: MaterialApp(
+      builder: () => MaterialApp(
         ...
       ),
     );
diff --git a/README_CN.md b/README_CN.md
index 6b37d5d..8416ba1 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -58,7 +58,7 @@ class MyApp extends StatelessWidget {
     return ScreenUtilInit(
       designSize: Size(360, 690),
       allowFontScaling: false,
-      child: MaterialApp(
+      builder: () => MaterialApp(
         ...
       ),
     );
diff --git a/README_PT.md b/README_PT.md
index cccb25c..ad983fc 100644
--- a/README_PT.md
+++ b/README_PT.md
@@ -54,7 +54,7 @@ class MyApp extends StatelessWidget {
     return ScreenUtilInit(
       designSize: Size(360, 690),
       allowFontScaling: false,
-      child: MaterialApp(
+      builder: () => MaterialApp(
         ...
       ),
     );
diff --git a/example/lib/main.dart b/example/lib/main.dart
index 18b58fd..43d2dcd 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -10,7 +10,7 @@ class MyApp extends StatelessWidget {
     return ScreenUtilInit(
       designSize: Size(360, 690),
       allowFontScaling: false,
-      child: MaterialApp(
+      builder: () => MaterialApp(
         debugShowCheckedModeBanner: false,
         title: 'Flutter_ScreenUtil',
         theme: ThemeData(
diff --git a/example/lib/main_zh.dart b/example/lib/main_zh.dart
index fb932f0..4eb8d0a 100644
--- a/example/lib/main_zh.dart
+++ b/example/lib/main_zh.dart
@@ -10,7 +10,7 @@ class MyApp extends StatelessWidget {
     return ScreenUtilInit(
       designSize: Size(750, 1334),
       allowFontScaling: false,
-      child: MaterialApp(
+      builder: () => MaterialApp(
         debugShowCheckedModeBanner: false,
         title: 'Flutter_ScreenUtil',
         theme: ThemeData(
diff --git a/lib/screenutil_init.dart b/lib/screenutil_init.dart
index 29aec80..50a0631 100644
--- a/lib/screenutil_init.dart
+++ b/lib/screenutil_init.dart
@@ -5,13 +5,13 @@ import 'screenutil.dart';
 class ScreenUtilInit extends StatelessWidget {
   /// A helper widget that initializes [ScreenUtil]
   ScreenUtilInit({
-    required this.child,
+    required this.builder,
     this.designSize = ScreenUtil.defaultSize,
     this.allowFontScaling = false,
     Key? key,
   }) : super(key: key);
 
-  final Widget child;
+  final Widget Function() builder;
 
   /// The [Size] of the device in the design draft, in dp
   final Size designSize;
@@ -31,7 +31,7 @@ class ScreenUtilInit extends StatelessWidget {
             allowFontScaling: allowFontScaling,
           );
         }
-        return child;
+        return builder();
       },
     );
   }