First commit for RTM 2.x

README.md

@@ -17,7 +17,9 @@ This Flutter plugin is a wapper for [Agora RTM SDK](https://docs.agora.io/en).
 
 Agora.io provides building blocks for you to add real-time messaging through a simple and powerful SDK. You can integrate the Agora RTM SDK to enable real-time messaging in your own application quickly.
 
-*Note*: This plugin is still under development, and some APIs might not be available yet.
+> NOTE: The `main` branch is major update base on the Agora RTM SDK 2.x, which introduces some break changes. previous releases please see the following branches(the version < 2.x): 
+>
+> - [1.x](https://github.com/AgoraIO-Extensions/Agora-Flutter-RTM-SDK/tree/master)
 
 ## Usage
 
@@ -27,35 +29,11 @@ To use this plugin, add `agora_rtm` as a [dependency in your pubspec.yaml file](
 
 * See the [example](example) directory for a sample app using AgoraRtm.
 
-## Error handling
+## Feedback
 
-### Kotlin version
+If you have any problems or suggestions regarding the sample projects, feel free to file an [issue](https://github.com/AgoraIO-Extensions/Agora-Flutter-RTM-SDK/issues) OR pull request.
 
-if your version less than 0.9.9, remove `ext.kotlin_version = '1.3.0'` from `agora_rtm/build.gradle`
-
-from 0.9.9, the plugin will use your root project kotlin version, make sure your setting is correct
-
-### Release crash
-
-it causes by code obfuscation because of flutter set `android.enableR8=true` by the default
-
-Add the following line in the **app/proguard-rules.pro** file to prevent code obfuscation:
-```
--keep class io.agora.**{*;}
-```
-
-## Note
-
-### Flutter 1.12
-
-if your MainActivity extends `io.flutter.embedding.android.FlutterActivity`
-
-please remove this line
-```
-GeneratedPluginRegistrant.registerWith(this)
-```
-
-[you can refer to official documents](https://flutter.dev/docs/development/packages-and-plugins/plugin-api-migration)
+For urgent issues, please submit a ticket to [Agora Support](https://www.agora.io/en/customer-support/) to receive a timely response.
 
 ## How to contribute