keithelliott

#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 ()

keithelliott

#pragma mark - Web view delegate
- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType {

 if([request.URL.scheme isEqualToString:@"ios-app"]){
  	 // 8. get the url and check for the access token in the callback url
		NSString *URLString = [[request URL] absoluteString];
		if ([URLString rangeOfString:@"access_token="].location != NSNotFound) {
				// 9. Store the access token in the user defaults
			NSString *accessToken = [[URLString componentsSeparatedByString:@"="] lastObject];
			NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];

keithelliott

#import "ViewController.h"
#import "FoursquareAuthentication.h"

@interface ViewController ()
@end

@implementation ViewController
- (void)viewDidLoad
{
    [super viewDidLoad];