Instant Messaging (IM) is a stable messaging service based on the communication technology provided by CommsEase. You can use IM to build robust chatting features for your apps. NIM SDK for Flutter offers a full-fledged instant messaging framework using Flutter, encapsulates internal complexitiess, and provideseasy-to-use APIs to facilitate quickly integration with third-party applications. You can use NIM SDK for Flutter to build Android, iOS, Windows, and macOS applications.

• NimCore Class can initialize the SDK and get functionalities of other subclasses.
• AuthService class provides the authentication interface, including login and logout.
• UserService class provides the user service.
• MessageService class provides the messaging service.
• EventSubscribeService class manages the event subscription service.
• SystemMessageService class provides the system notification service.
• TeamService class provides the group chat service.
• ChatroomService class contains APIs for the chat room service.
• NOSService class provides the NOS storage service.
• AudioService class provides the audio service.
• SettingsService class provides interfaces for settings.
• PassThroughService class provides the data transmission service in pass-through mode.

The SDK may return error codes and warning codes during API calls. For more information, see Error codes and warning codes.

NimCore

AuthService

UserService

MessageService

TeamService

ChatroomService

EventSubscribeService

SystemMessageService

NOSService

AudioService

SettingsService

PassThroughService