Question

I am new to the iPhone Programming. I have integrated facebook into my application through fbgraph API. My intention is to show the activity indicator when facebook button clicked in my application.

Answer 1

You have to use NSURLRequest and NSURLConnection and UIActivityIndicatorView And NSData Objects in your .H file.

NSURLRequest *theRequest;
    NSURLConnection *theConnection;
    IBOutlet UIActivityIndicatorView *myIndicator;
    NSMutableData *receivedData;
}

@property (nonatomic, retain) NSMutableData *receivedData;
@property (nonatomic,retain) IBOutlet UIActivityIndicatorView *myIndicator;

.m File

@synthesize youTubeWebView,receivedData,myIndicator;

- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data

{   
    [receivedData appendData:data]; 
}


- (void)viewDidLoad {
    [super viewDidLoad];

    [myIndicator startAnimating];
    myIndicator.hidesWhenStopped = YES;
// Now your code of fb integration

NSURLRequest requestWithURL:url;    

    theConnection=[[NSURLConnection alloc] initWithRequest:theRequest delegate:self];

    if (theConnection) {
        receivedData = [[NSMutableData data] retain];
    }

    }

- (void)connectionDidFinishLoading:(NSURLConnection *)connection
// code after Loading of fb page
    [myIndicator stopAnimating];

}

Hope All this Helps You :))