tarappo

NSUserDefaults *ud = [NSUserDefaults standardUserDefaults];
[ud setFloat:value forKey:"ShowValue"];
BOOL successful = [ud synchronize];

tarappo

NSUserDefaults *ud  = [NSUserDefaults standardUserDefaults];
NSMutableDictionary *userInfo = [ud valueForKey:@"USER_INFO"];
[userInfo setObject:@"SAMPLE" forKey:@"A"];
[ud setValue:userInfo forKey:@"USER_INFO"];

tarappo

- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType {
    if (navigationType == UIWebViewNavigationTypeLinkClicked) {        
        NSString *checkURL = [request.URL absoluteString];
        NSRange linkMatch  = [checkURL  rangeOfString:@"http://example.com"];

        if (linkMatch.location != NSNotFound) {
          [[UIApplication sharedApplication] openURL:request.URL];
            return NO;
        }
    }