Flutter
Chat SDK

final result = await TencentImSDKPlugin.v2TIMManager.initSDK(
  sdkAppID: sdkAppID,
  loglevel: LogLevelEnum.V2TIM_LOG_INFO,
  listener: V2TimSDKListener(),
);

final result = await TencentImSDKPlugin.v2TIMManager.login(
  userID: userID,
  userSig: userSig,
);

final messages =
    TencentImSDKPlugin.v2TIMManager.getMessageManager();
final draft = await messages.createTextMessage(text: 'Hello!');
final id = draft.data?.id;
if (draft.code == 0 && id != null) {
  await messages.sendMessage(
    id: id, receiver: recipientID, groupID: '',
  );
}