SendMessageHandler 26.1.0 API

All Implemented Interfaces:
```
public interface SendMessageHandler

                    
```
Send message callback.
Listens for each stage of the normal (non-media) message sending process.
Callback order:
- Success: onAttached → onResult (error is null)
- Failure: onAttached → onResult (error is non-null)

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description

Field Summary

Fields
Modifier and Type	Field	Description

Constructor Summary

Constructors
Constructor	Description

Enum Constant Summary

Enum Constants
Enum Constant	Description

Method Summary

Modifier and Type	Method	Description
`abstract Unit`	`onAttached(Message message)`	Called when the message is stored in the database.
`abstract Unit`	`onResult(Message message, NCError error)`	Called when message sending completes (success or failure).

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
- Method Detail
  - onAttached
```
 abstract Unit onAttached(Message message)
```
    Called when the message is stored in the database.
    Before sending, the message is first saved to the local database. At this point, you can add the message to the UI list for display.
    
    Parameters:
    
    message - The message object stored in the database
  - onResult
```
 abstract Unit onResult(Message message, NCError error)
```
    Called when message sending completes (success or failure).
    
    Parameters:
    
    message - The message object; non-null on success, may be null on failure
    
    error - Error info on failure; null on success