iOS Archives

These posts are syndicated from my iOS Dev Diary over at

The format is slightly different with more code snippets and less explanations. I had originally designed it as a notebook in iOS Development – now you can follow along if you’re interested.

How to open the LinkedIn App from your own iOS App

Here’s a sample action that tries to open a LinkedIn Profile with the LinkedIn App. If it’s not installed, it opens a link to the profile in Safari. If that doesn’t work it gives a log message (please handle appropriately in your own code): – (IBAction)openLinkedIn:(id)sender { // open the LinkedIn App if (![[UIApplication sharedApplication] […]

How to create a Twitter Follow button in your iOS App

Much like the Facebook Like button we can create a Twitter Follow button. It’s easy to create a HTML button which we can load into a small UIWebView (about 40 pixels high): – (void)viewDidLoad { [super viewDidLoad]; // add Twitter Follow button in a web view NSString *twitterFollowButton = @”<a href=’’ class=’twitter-follow-button’ data-show-count=’true’ data-size=’large’>Follow @versluis</a><script>!function(d,s,id){var […]