Facebook Integration in your application

Download FacebookSDK and copy in your project.


Now import facebook headers file in your .h file

#import "Facebook.h"

#import "FBConnect.h"

#import "FBRequest.h"

//Add these four delegate in .h file

<FBSessionDelegate,FBDialogDelegate,FBLoginDialogDelegate,FBRequestDelegate>

like:

@interface FacebookViewController : UIViewController <FBSessionDelegate,FBDialogDelegate,FBLoginDialogDelegate,FBRequestDelegate>{

//Now declare variables in .h file

Facebook *facebook;

NSArray *permissionsArray;

Now come to .m file and add this on the top after @implementaton

static NSString* kAppId = @"227448770601908";

//Now copy and paste from facebook start to facebook end

///facebook start

#pragma mark -

#pragma mark Facebook delegate methods

-(void)request:(FBRequest *)request didReceiveResponse:(NSURLResponse *)response{

NSLog(@"Response : %@", [[response URL] absoluteString]);

}

-(void)request:(FBRequest *)request didLoad:(id) result {

NSLog(@"result:%@",result);

NSLog(@"result:%@",[result objectForKey:@"name"]);

}

- (void)request:(FBRequest *)request didFailWithError:(NSError *) error {

NSLog(@"result:%@",[error description]);

}

-(void)fbDidLogin {

NSString *publishString = [NSString stringWithFormat:@"Blogs"];

SBJSON *jsonWriter = [[SBJSON new] autorelease];

NSDictionary* actionLinks = [NSArray arrayWithObjects:[NSDictionary dictionaryWithObjectsAndKeys:@"Photo Rating",@"text",@"http://iphone-app-dev-beginners.blogspot.com/",@"href", nil], nil];

NSString *actionLinksStr = [jsonWriter stringWithObject:actionLinks];

NSDictionary* imageShare = [NSDictionary dictionaryWithObjectsAndKeys:

@"image", @"type",

@"http://iphone-app-dev-beginners.blogspot.com/", @"src",

@"http://iphone-app-dev-beginners.blogspot.com/", @"href",

nil];

NSDictionary* attachment = [NSDictionary dictionaryWithObjectsAndKeys:

@"PottyLegs for iPhone!", @"name",

@"http://iphone-app-dev-beginners.blogspot.com/", @"href",

@"string",@"description",

[NSArray arrayWithObjects:imageShare, nil ], @"media",

nil];

NSString *attachmentStr = [jsonWriter stringWithObject:attachment];

//    NSLog(attachmentStr);

NSMutableDictionary* params = [NSMutableDictionary dictionaryWithObjectsAndKeys:

  kAppId, @"api_key",

  @"Share on Facebook",  @"user_message_prompt",

  actionLinksStr, @"action_links",

  publishString, @"message",

  attachmentStr, @"attachment",

  nil];

[facebook dialog: @"stream.publish"

  andParams: params

andDelegate:self];

}

//// data receive from server end

-(void)fbDidNotLogin:(BOOL)cancelled {

NSLog(@"did not login");

}

- (void)fbDidLogout {

}

//facebook end

//call facebook function in your Button action

-(IBAction)FacebookButtonPressed

{

facebook = [[Facebook alloc] initWithAppId:kAppId];

[facebook authorize:permissionsArray delegate:self];

}