iOS XCode : Link webview open in browser

1. implement webview delegate
2. set webview delegate to class
3. add to delegate :

-(BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType {

    if ( navigationType == UIWebViewNavigationTypeLinkClicked ) {

        [[UIApplication sharedApplication] openURL:[request URL]];

        return NO;

    }

    

    return YES;

}