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"시작 iPad 응용 프로그램 개발"을 읽었으며 블루투스 장에서 책에 표시된 코드를 정확하게 테스트하고 있습니다. 유일한 차이점은이 책이 3.2 용이고 iOS> 4.0 용으로 XCODE 4를 사용하고 있다는 것입니다.iOS 4 블루투스 검색이 작동하지 않습니다.
XCODE는 오류나 경고를 발생시키지 않지만 제대로 빌드되지만 iPhone에서 테스트 할 때 다른 장치를 찾지 못합니다.
무엇이 잘못 되었나요? 다음 위임 방법을 놓친처럼
#import "pruebaBluetoothViewController.h"
@implementation pruebaBluetoothViewController
@synthesize currentSession;
@synthesize txtMessage;
@synthesize connect;
@synthesize disconnect;
- (void)viewDidLoad {
[connect setHidden:NO];
[disconnect setHidden:YES];
[super viewDidLoad];
}
-(IBAction) btnConnect:(id) sender {
picker = [[GKPeerPickerController alloc] init];
picker.delegate = self;
picker.connectionTypesMask = GKPeerPickerConnectionTypeNearby;
[connect setHidden:YES];
[disconnect setHidden:NO];
[picker show];
}
- (void)peerPickerController:(GKPeerPickerController *)pk
didConnectPeer:(NSString *)peerID
toSession:(GKSession *) session {
self.currentSession = session;
session.delegate = self;
[session setDataReceiveHandler:self withContext:nil];
picker.delegate = nil;
[picker dismiss];
[picker autorelease];
}
- (void)peerPickerControllerDidCancel:(GKPeerPickerController *)pk {
picker.delegate = nil;
[picker autorelease];
[connect setHidden:NO];
[disconnect setHidden:YES];
}
-(IBAction) btnDisconnect:(id) sender {
[self.currentSession disconnectFromAllPeers];
[self.currentSession release];
currentSession = nil;
[connect setHidden:NO];
[disconnect setHidden:YES];
}
- (void)session:(GKSession *)session
peer:(NSString *)peerID
didChangeState:(GKPeerConnectionState)state {
switch (state) {
case GKPeerStateConnected:
NSLog(@"connected");
break;
case GKPeerStateDisconnected:
NSLog(@"disconnected");
[self.currentSession release];
currentSession = nil;
[connect setHidden:NO];
[disconnect setHidden:YES];
break;
}
}
- (void)dealloc {
[txtMessage release];
[currentSession release];
[super dealloc];
}
- (void) mySendDataToPeers:(NSData *) data {
if (currentSession)
[self.currentSession sendDataToAllPeers:data
withDataMode:GKSendDataReliable
error:nil];
}
-(IBAction) btnSend:(id) sender {
//---convert an NSString object to NSData---
NSData* data;
NSString *str = [NSString stringWithString:txtMessage.text];
data = [str dataUsingEncoding: NSASCIIStringEncoding];
[self mySendDataToPeers:data];
}
- (void) receiveData:(NSData *)data
fromPeer:(NSString *)peer
inSession:(GKSession *)session
context:(void *)context {
//---convert the NSData to NSString---
NSString* str;
str = [[NSString alloc] initWithData:data encoding:NSASCIIStringEncoding];
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Data received"
message:str
delegate:self
cancelButtonTitle:@"OK"
otherButtonTitles:nil];
[alert show];
[alert release];
}
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