updated pubspec.lock of example. updated README.md

Author: abner

README.md

@@ -249,6 +249,12 @@ See bellow the screens we added to the example app:
 
 ## MACOS
 
+* To solve `Command Line Tool - Error - xcrun: error: unable to find utility “xcodebuild”, not a developer tool or in PATH`
+
+> sudo xcode-select -s /Applications/Xcode.app/Contents/Developer
+
+In Catalina with XCode 12 i needed to install ruby 2.7.2 in order to install `cocoapods` (Also needed to Flutter on IOS). So i installed `brew`and after `rbenv`.
+
 To enable http calls, add this to your files: 
 
 * DebugProfile.entitlements

example/pubspec.lock

@@ -75,14 +75,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "0.4.0+0"
-  flutter_js_platform_interface:
-    dependency: transitive
-    description:
-      path: "../packages/flutter_js_platform_interface"
-      relative: true
-    source: path
-    version: "0.3.1+0"
+    version: "0.4.0+1"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -130,13 +123,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.11.0"
-  plugin_platform_interface:
-    dependency: transitive
-    description:
-      name: plugin_platform_interface
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.0"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -207,4 +193,4 @@ packages:
     version: "2.1.0"
 sdks:
   dart: ">=2.12.0 <3.0.0"
-  flutter: ">=1.22.0"
+  flutter: ">=1.10.0"