iOS MultipeerConnectivity 编程发送图片服务器端

//

// ViewController.m

// 070802blueserver

//

// Created by tianshangrenjian on 15/7/8.

// Copyright (c) 2015年 tianshangrenjian. All rights reserved.

//

#import "ViewController.h"

#import <MultipeerConnectivity/MultipeerConnectivity.h>

@interface
ViewController ()<MCSessionDelegate,UINavigationControllerDelegate,UIImagePickerControllerDelegate>

@property (weak,
nonatomic) IBOutlet
UIImageView *ImgView;

@property (strong,nonatomic)
MCSession *session;

@property (strong,
nonatomic) MCAdvertiserAssistant *assistant;

@property (strong,
nonatomic) UIImagePickerController *imgPicker;

@end

@implementation ViewController

- (void)viewDidLoad {

[super
viewDidLoad];

// Do any additional setup after loading the view, typically from a nib.

MCPeerID *peer=[[MCPeerID
alloc] initWithDisplayName:@"sch-server"];

MCSession *session=[[MCSession
alloc] initWithPeer:peer];
session.delegate=self;

self.session=session;

MCAdvertiserAssistant *assistant=[[MCAdvertiserAssistant
alloc] initWithServiceType:@"sch-server"
discoveryInfo:nil
session:session];

self.assistant=assistant;

}

- (void)dealloc
{
[self.assistant
stop ];
}
- (void)didReceiveMemoryWarning {

[super
didReceiveMemoryWarning];

// Dispose of any resources that can be recreated.
}

- (IBAction)btStart:(id)sender {
[self.assistant
start];

}

- (IBAction)btPic:(id)sender {

UIImagePickerController *iPc=[[UIImagePickerController
alloc]
init];

self.imgPicker=iPc;
iPc.delegate=self;

[self
presentViewController:iPc animated:YES
completion:nil];

}

- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary
*)info
{

UIImage *img=info[UIImagePickerControllerOriginalImage];

self.ImgView.image=img;

NSData *data=UIImagePNGRepresentation(img);

[self.session
sendData:data toPeers:[self.session
connectedPeers] withMode:MCSessionSendDataUnreliable
error:nil];

[picker dismissViewControllerAnimated:YES
completion:nil];
}
- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker
{

[picker dismissViewControllerAnimated:YES
completion:nil];
}

// Remote peer changed state
- (void)session:(MCSession *)session peer:(MCPeerID *)peerID didChangeState:(MCSessionState)state
{

switch (state) {

case
MCSessionStateConnecting:

NSLog(@"connectiing!");

break;

case
MCSessionStateConnected:

NSLog(@"connected!");

default:

break;
}

}

// Received data from remote peer
- (void)session:(MCSession *)session didReceiveData:(NSData *)data fromPeer:(MCPeerID
*)peerID
{

NSLog(@"receive data");

UIImage *img=[UIImage
imageWithData:data];

self.ImgView.image=img;
}

// Received a byte stream from remote peer
- (void)session:(MCSession *)session didReceiveStream:(NSInputStream *)stream
withName:(NSString *)streamName fromPeer:(MCPeerID *)peerID
{

}

// Start receiving a resource from remote peer
- (void)session:(MCSession *)session didStartReceivingResourceWithName:(NSString
*)resourceName fromPeer:(MCPeerID *)peerID withProgress:(NSProgress *)progress
{

}

// Finished receiving a resource from remote peer and saved the content in a temporary location - the app is responsible for moving the file to a permanent location within its sandbox
- (void)session:(MCSession *)session didFinishReceivingResourceWithName:(NSString
*)resourceName fromPeer:(MCPeerID *)peerID atURL:(NSURL *)localURL withError:(NSError *)error
{

}

@end