How can I send image on twitter from my iphone in ios5

I want to share image on twitter from my iphone using twitter api twitter+OAuth but I don't know how to share it from my iphone. I have tried same operation using sharekit but I did not get success. Would you tell me how to share image on twitter from iphone using twitter api?


The link provided by zot works but I have to add some code plus I have to add two frameworks Twitter.framework and Account.framework. The modified code is as below

- (IBAction)sendCustomTweet:(id)sender {
    // Create an account store object.
    ACAccountStore *accountStore = [[ACAccountStore alloc] init];

    // Create an account type that ensures Twitter accounts are retrieved.
    ACAccountType *accountType = [accountStore accountTypeWithAccountTypeIdentifier:ACAccountTypeIdentifierTwitter];

    // Request access from the user to use their Twitter accounts.
    [accountStore requestAccessToAccountsWithType:accountType withCompletionHandler:^(BOOL granted, NSError *error) {
        if(granted) {
            // Get the list of Twitter accounts.
            NSArray *accountsArray = [accountStore accountsWithAccountType:accountType];

            if ([accountsArray count] > 0) {
                // Grab the initial Twitter account to tweet from.
                ACAccount *twitterAccount = [accountsArray objectAtIndex:0];

                UIImage *image =[UIImage imageNamed:@"Icon.png"];

                TWRequest *postRequest = [[TWRequest alloc] initWithURL:[NSURL URLWithString:@""] 
                                                             parameters:[NSDictionary dictionaryWithObject:@"Hello. This is a tweet." forKey:@"status"] requestMethod:TWRequestMethodPOST];

                   // "" 

                [postRequest addMultiPartData:UIImagePNGRepresentation(image) withName:@"media" type:@"multipart/png"];

                // Set the account used to post the tweet.
                [postRequest setAccount:twitterAccount];

                [postRequest performRequestWithHandler:^(NSData *responseData, NSHTTPURLResponse *urlResponse, NSError *error) {
                    NSString *output = [NSString stringWithFormat:@"HTTP response status: %i", [urlResponse statusCode]];
                    [self performSelectorOnMainThread:@selector(displayText:) withObject:output waitUntilDone:NO];

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