fix and improve receive message

improve translation

Author: hatemragab

example/pubspec.yaml

@@ -18,7 +18,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 version: 1.1.1+7
 
 environment:
-  sdk: ">=2.15.0 <3.0.0"
+  sdk: ">=2.12.0 <3.0.0"
 
 # Dependencies specify other packages that your package needs in order to work.
 # To automatically upgrade your package dependencies to the latest versions