问MultipeerConnectivityFramework in iOS 7

EN

-(void)setupPeerAndSessionWithDisplayName:(NSString *)_displayName
{
    self.peerID = [[MCPeerID alloc] initWithDisplayName:_displayName];
    self.session = [[MCSession alloc] initWithPeer:self.peerID];
    self.session.delegate = self;
}



-(void)setupMCBrowser{

    self.browser = [[MCBrowserViewController alloc] initWithServiceType:@"chat-files" session:self.session];
}



-(void)advertiseSelf:(BOOL)shouldAdvertise{

    if (shouldAdvertise) {
        self.advertiser = [[MCAdvertiserAssistant alloc] initWithServiceType:@"chat-files" discoveryInfo:nil session:self.session];

        [self.advertiser start];
    }
    else{
        [self.advertiser stop];
        self.advertiser = nil;
    }
}