| ShengwangChatSDK 1.3.2
    | 
#import <AgoraChatContactManagerDelegate.h>
 
 | 构造函数 | |
| (void) | - friendRequestDidApproveByUser: | 
| (void) | - friendRequestDidDeclineByUser: | 
| (void) | - friendshipDidRemoveByUser: | 
| (void) | - friendshipDidAddByUser: | 
| (void) | - friendRequestDidReceiveFromUser:message: | 
The contact related callbacks.
| 
 | optional | 
Occurs when a friend request is approved, user A will receive this callback after user B approved user A's friend request.
| aUsername | The user ID who approves a friend's request. | 
| 
 | optional | 
Occurs when a friend request is declined.
User A will receive this callback after user B declined user A's friend request.
| aUsername | The user ID who declined a friend request. | 
| 
 | optional | 
Occurs when a user received a friend request.
User A will receive this callback when received a friend request from user B.
| aUsername | Friend request sender user ID | 
| aMessage | Friend request message | 
| 
 | optional | 
Occurs when the user is added as a contact by another user.
Both user A and B will receive this callback after User B agreed user A's add-friend invitation.
| aUsername | Another user of the user‘s friend relationship. | 
| 
 | optional | 
Occurs when a user is removed as a contact by another user.
User A and B both will receive this callback after User B unfriended user A.
| aUsername | The user who unfriended the current user |