IDTech iOS/OSX SDK Guide  1.1.084
API reference for UniPay 1.5
Implement any/all of the optional delegate protocols used to receive data from IDT_UniPayI_V_Delegate:
- (void) deviceConnected;
- (void) deviceDisconnected;
- (void) plugStatusChange:(BOOL)deviceInserted;
- (void) dataInOutMonitor:(NSData*)data incoming:(BOOL)isIncoming;
- (void) swipeMSRData:(IDTMSRData*)cardData;
- (void) deviceMessage:(NSString*)message;
- (void) lcdDisplay:(int)mode lines:(NSArray*)lines;
- (void) emvTransactionData:(IDTEMVData*)emvData errorCode:(int)error;