如果我在两个 ios 设备中多次连接和断开蓝牙,我会得到重复的 peername。
有没有办法在 gkpeerpickercontroller 中为蓝牙聊天应用程序获取唯一对等点的单一名称。
还附上了它的屏幕截图。
我正在使用下面的代码来显示 GKPeerPickerController。
-(IBAction)btnConnectClicked:(id)sender
{
[self openPeerPickerController];
}
-(IBAction)btnDisconnectClicked:(id)sender
{
[currentSession disconnectFromAllPeers];
}
-(void)openPeerPickerController
{
if (!currentSession)
{
GKPeerPickerController *peerPicker2 = [[GKPeerPickerController alloc] init];
peerPicker2.delegate = self;
peerPicker2.connectionTypesMask = GKPeerPickerConnectionTypeNearby;
[peerPicker2 show];
}
}
-(void)peerPickerController:(GKPeerPickerController *)picker didConnectPeer:(NSString *)peerID toSession:(GKSession *) session
{
NSLog(@"Peer session connected");
//set session delegate and dismiss the picker
session.delegate = self;
currentSession = session;
picker.delegate = nil;
[picker dismiss];
}
- (GKSession *)peerPickerController:(GKPeerPickerController *)picker sessionForConnectionType:(GKPeerPickerConnectionType)type
{
//create ID for session
NSString *sessionIDString = @"MTBluetoothSessionID";
//create GKSession object
GKSession *session = [[GKSession alloc] initWithSessionID:sessionIDString displayName:nil sessionMode:GKSessionModePeer];
return session;
}
-(void)peerPickerControllerDidCancel:(GKPeerPickerController *)picker
{
NSLog(@"Peer cancelled");
[currentSession disconnectFromAllPeers];
currentSession=nil;
picker.delegate = nil;
}
-(void)session:(GKSession *)session peer:(NSString *)peerID didChangeState:(GKPeerConnectionState)state
{
switch (state)
{
case GKPeerStateAvailable:
{
// not connected to session, but available for connectToPeer:withTimeout:
}
break;
case GKPeerStateUnavailable:
{
// no longer available
}
break;
case GKPeerStateConnected:
{
// connected to the session
[currentSession setDataReceiveHandler:self withContext:nil]; //set ViewController to receive data
}
break;
case GKPeerStateDisconnected:
{
// disconnected from the session
currentSession.delegate = nil;
currentSession = nil; //allow session to reconnect if it gets disconnected
}
break;
case GKPeerStateConnecting:
{
// waiting for accept, or deny response
}
break;
default:
break;
}
}