iOS MultipeerConnectivity 编程发送图片客户端

//

//  ViewController.m

//  070803blueclient

//

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

//  Copyright © 2015年 tianshangrenjian. All rights reserved.

//

#import "ViewController.h"

#import <MultipeerConnectivity/MultipeerConnectivity.h>

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

@property (weak, nonatomic) IBOutletUIImageView *imgView;

@property (strong,nonatomic)MCSession *session;

@property (strong,nonatomic)UIImagePickerController *imgPc;

@property (strong,nonatomic)MCBrowserViewController *browser;

- (IBAction)btnFind:(id)sender;

- (IBAction)btnSelect:(id)sender;

@end

@implementation ViewController

- (void)viewDidLoad {

    [superviewDidLoad];

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

    MCPeerID *peer=[[MCPeerIDalloc] initWithDisplayName:@"sch-client"];

   MCSession *session=[[MCSessionalloc] initWithPeer:peer];

    session.delegate=self;

   self.session=session;

    

    

    

}

- (void)didReceiveMemoryWarning {

    [superdidReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

- (IBAction)btnFind:(id)sender {

    

    MCBrowserViewController *browser=[[MCBrowserViewControlleralloc] initWithServiceType:@"sch-server"session:self.session];

   self.browser=browser;

    browser.delegate=self;

    [selfpresentViewController:browser animated:YEScompletion:nil];

    

    

    

}

- (void)browserViewControllerDidFinish:(nonnullMCBrowserViewController *)browserViewController

{

    NSLog(@"select finded!");

    [browserViewController dismissViewControllerAnimated:YEScompletion:nil];

    

}

- (void)browserViewControllerWasCancelled:(nonnullMCBrowserViewController *)browserViewController

{

    NSLog(@"cancel select");

    

    [browserViewController dismissViewControllerAnimated:YEScompletion:nil];

}

- (IBAction)btnSelect:(id)sender {

    UIImagePickerController *iPc=[[UIImagePickerControlleralloc] init];

   self.imgPc=iPc;

   self.imgPc.delegate=self;

    [selfpresentViewController:self.imgPcanimated:YEScompletion:nil];

    

}

- (void)imagePickerController:(nonnullUIImagePickerController *)picker didFinishPickingMediaWithInfo:(nonnullNSDictionary<NSString *,id> *)info

{

    UIImage *img=info[UIImagePickerControllerOriginalImage];

   self.imgView.image=img;

    NSData *data=UIImagePNGRepresentation(img);

    [self.sessionsendData:data toPeers:[self.sessionconnectedPeers] withMode:MCSessionSendDataUnreliableerror:nil];

    NSLog(@"begin send img...");

    [picker dismissViewControllerAnimated:YEScompletion:nil];

}

- (void)imagePickerControllerDidCancel:(nonnullUIImagePickerController *)picker

{

    [picker dismissViewControllerAnimated:YEScompletion:nil];

}

// Remote peer changed state.

- (void)session:(MCSession *)session peer:(MCPeerID *)peerID didChangeState:(MCSessionState)state

{

   switch (state) {

        caseMCSessionStateConnecting:

           NSLog(@"connectiing!");

           break;

        caseMCSessionStateConnected:

           NSLog(@"connected!");

       default:

           break;

    }

}

// Received data from remote peer.

- (void)session:(MCSession *)session didReceiveData:(NSData *)data fromPeer:(MCPeerID *)peerID

{

    NSLog(@"receive data");

   UIImage *img=[UIImageimageWithData: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