Created
April 19, 2013 00:25
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| #import "FoursquareAuthentication.h" | |
| // 5. setup some helpers so we don't have to hard-code everything | |
| #define FOURSQUARE_AUTHENTICATE_URL @"https://foursquare.com/oauth2/authorize" | |
| #define FOURSQUARE_CLIENT_ID @"YOUR CLIENT ID" | |
| #define FOURSQUARE_CLIENT_SECRET @"YOUR CLIENT SECRET" | |
| #define FOURSQUARE_REDIRECT_URI @"ios-app://redirect" | |
| @interface FoursquareAuthentication () | |
| // 1. create webview property | |
| @property (nonatomic, strong) UIWebView *webView; | |
| @end | |
| @implementation FoursquareAuthentication | |
| - (void)viewDidLoad | |
| { | |
| [super viewDidLoad]; | |
| // Do any additional setup after loading the view. | |
| // initialize the webview and add it to the view | |
| //2. init with the available window dimensions | |
| self.webView = [[UIWebView alloc] initWithFrame:CGRectMake(0, 0, 320, 460)]; | |
| //3. set the delegate to self so that we can respond to web activity | |
| self.webView.delegate = self; | |
| //4. add the webview to the view | |
| [self.view addSubview:self.webView]; | |
| //6. Create the authenticate string that we will use in our request to foursquare | |
| // we have to provide our client id and the same redirect uri that we used in setting up our app | |
| // The redirect uri can be any scheme we want it to be... it's not actually going anywhere as we plan to | |
| // intercept it and get the access token off of it | |
| NSString *authenticateURLString = [NSString stringWithFormat:@"%@?client_id=%@&response_type=token&redirect_uri=%@", FOURSQUARE_AUTHENTICATE_URL, FOURSQUARE_CLIENT_ID, FOURSQUARE_REDIRECT_URI]; | |
| //7. Make the request and load it into the webview | |
| NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:authenticateURLString]]; | |
| [self.webView loadRequest:request]; | |
| } |
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