NFCReaderSessionDelegate (moe.platform.ios API)

```
public interface NFCReaderSessionDelegate
```
[@protocol] NFCReaderSession General reader session callbacks

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`void`	`readerSessionDidBecomeActive(NFCReaderSession session)`	readerSessionDidBecomeActive: Gets called when the NFC reader session has become active.
`default void`	`readerSessionDidDetectTags(NFCReaderSession session, NSArray<?> tags)`	readerSession:didDetectTags: Gets called when the reader detects NFC tag(s) in the polling sequence.
`void`	`readerSessionDidInvalidateWithError(NFCReaderSession session, NSError error)`	readerSession:didInvalidateWithError: Gets called when a session becomes invalid.

- Method Detail
  - readerSessionDidDetectTags
```
default void readerSessionDidDetectTags(NFCReaderSession session,
                                        NSArray<?> tags)
```
    readerSession:didDetectTags: Gets called when the reader detects NFC tag(s) in the polling sequence.
    
    Parameters:
    
    session - The session object used for tag detection.
    
    tags - Array of @link NFCTag @link/ objects.
  - readerSessionDidInvalidateWithError
```
void readerSessionDidInvalidateWithError(NFCReaderSession session,
                                         NSError error)
```
    readerSession:didInvalidateWithError: Gets called when a session becomes invalid. At this point the client is expected to discard the returned session object.
    
    Parameters:
    
    session - The session object that is invalidated.
    
    error - The error indicates the invalidation reason.
  - readerSessionDidBecomeActive
```
void readerSessionDidBecomeActive(NFCReaderSession session)
```
    readerSessionDidBecomeActive: Gets called when the NFC reader session has become active. RF is enabled and reader is scanning for tags. The @link readerSession:didDetectTags: @link/ will be called when a tag is detected.
    
    Parameters:
    
    session - The session object in the active state.