flutter_openim_sdk
A Flutter im plugin.
Getting Started
1，初始化
```
var msgListener = AdvancedMsgListener();
/// 初始化SDK
OpenIM.iMManager
..initSDK(
platform: 0,
ipApi: 'Api接口地址',
ipWs: 'WebSocket地址',
dbPath: '数据库目录',
listener: new InitSDKListener(),
)
/// 添加消息监听(移除消息监听: OpenIM.iMManager.messageManager.removeAdvancedMsgListener(msgListener))
..messageManager.addAdvancedMsgListener(msgListener)
/// 设置发送消息进度监听
..messageManager.setMsgSendProgressListener(MsgSendProgressListener())
/// 设置好友关系监听
..friendshipManager.setFriendshipListener(FriendshipListener())
/// 设置会话监听
..conversationManager.setConversationListener(ConversationListener())
/// 设置群监听
..groupManager.setGroupListener(GroupListener());
```