iOS - Twitter integration 1.1 oauth - ios

Question

I was integrating twitter in my app. I googled and searched in stack, could not find proper steps.
Can anyone tell me how it works in detail.
Thank You.

Answer 1

I Hope This will help you . . .
1.Add following classes to your project
GTMOAuthAuthentication.h/m
GTMOAuthSignIn.h/m
GTMHTTPFetcher.h/m
GTMOAuthViewControllerTouch.h/m
GTMOAuthViewTouch.xib
2 . Add following frameworks
Security.framework and SystemConfiguration.framework.
3 .set -ObjC build option for the application target's "Other Linker Flags".
4 . Then it's time for some coding .
import GTMOAuthAuthentication.h and GTMOAuthViewControllerTouch.h
- (void)signInWithTwitter
{
NSURL *requestURL = [NSURL URLWithString:#"https://api.twitter.com/oauth/request_token"];
NSURL *accessURL = [NSURL URLWithString:#"https://api.twitter.com/oauth/access_token"];
NSURL *authorizeURL = [NSURL URLWithString:#"https://api.twitter.com/oauth/authorize"];
NSString *scope = #"http://api.twitter.com/";
GTMOAuthAuthentication *auth = [self authForTwitter];
[auth setCallback:#"http://www.noop.com/OAuthCallback"];
GTMOAuthViewControllerTouch *viewController;
viewController = [[GTMOAuthViewControllerTouch alloc] initWithScope:scope
language:nil
requestTokenURL:requestURL
authorizeTokenURL:authorizeURL
accessTokenURL:accessURL
authentication:auth
appServiceName:#"AppName : Twitter"
delegate:self
finishedSelector:#selector(viewController:finishedWithAuth:error:)];
[appDelegate.navigationController pushViewController:viewController animated:YES];
}
- (GTMOAuthAuthentication *)authForTwitter {
GTMOAuthAuthentication *auth = [[GTMOAuthAuthentication alloc] initWithSignatureMethod:kGTMOAuthSignatureMethodHMAC_SHA1
consumerKey:TWITTER_CONSUMER_KEY
privateKey:TWITTER_CONSUMER_SECRET];
[auth setServiceProvider:#"Twitter"];
return auth;
}
- (void)viewController:(GTMOAuthViewControllerTouch *)viewController finishedWithAuth:(GTMOAuthAuthentication *)auth error:(NSError *)error {
if(error)
{
//handle error
}
else
{
// do stuff as per your app.
}
}
NOte : if you get error message like "failed to validate oauth signature and token" then check you system time is correct or not .

Answer 2

1) Download oauth Library for authotication for ios.
2) Create Account on Twitter with all Keys
Consumer Key ,Consumer Secrete,access key access token
Add int into ....
3) -(void)getList{
OAConsumer *con = [[OAConsumer alloc]initWithKey:#"TwitterConsumerKey" secret:#"TwitterConsumerSecret"];
OAToken *p=[[OAToken alloc]initWithKey:[#"TwitterAccessTokenKey" secret:#"TwitterAccessTokenSecret"];
int kPageCount=10;
NSString* pro=[NSString stringWithFormat:#"%#count=%i", #"https://api.twitter.com/1.1/statuses/user_timeline.json?",kPageCount];
NSURL *tt=[NSURL URLWithString:pro];
OAMutableURLRequest *request = [[OAMutableURLRequest alloc] initWithURL:tt
consumer:con
token:p
realm:nil
signatureProvider:nil] ;
[request setHTTPMethod:#"GET"];
fetcher = [[OADataFetcher alloc] init] ;
[fetcher fetchDataWithRequest:request
delegate:self
didFinishSelector:#selector(requestTokenTicket:didFinishWithData:)
didFailSelector:#selector(requestTokenTicket:didFailWithError:)];
}
}
- (void)requestTokenTicket:(OAServiceTicket *)ticket didFailWithError:(NSError *)err {
if (err.domain==NSURLErrorDomain && err.code==-1001) {
[self getList];
}
}
- (void)requestTokenTicket:(OAServiceTicket *)ticket didFinishWithData:(NSData *)data {
NSString *responseBody = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
NSLog(#"responseBody :%#",responseBody);
}