b2cloud wins Mobile Design Awards 2014

Recommended By

We are thrilled to announce that b2cloud has won the Mobile Design Award for Best Wearable Technology for our work with Telstra. The award recognises our innovative work using Google Glass to help empower the visually

Telstra and b2cloud – using Google Glass to improve people’s lives.

Recommended By

We are thrilled to announce some groundbreaking work we have been doing with Telstra for Google Glass. Over the past six months we have developed two world-first Google Glass apps designed for the visually and

#14 in Deloitte Tech Fast 500 Asia-Pacific 2013

Recommended By

What a proud day for the b2cloud team. We have just been announced by the Deloitte Tech Fast 500 Asia Pacific as the 14th fastest growing technology company in the region, and the fastest growing mobile app developer.

NSNotificationCenter for iOS and Mac

Guides | Tutorial By 2 years ago

If you’ve ever needed to have an object with multiple delegates you may have created an array and then added each of your delegates to it. This does work but there’s a simpler way which is much easier to implement. Using the NSNotificationCenter you can have objects subscribe to the events/messages they want to know about and get called whenever that ‘event’ takes place. The Cocoa framework uses this as well, and let’s you subscribe to things such as an app entering the background, changing orientations, when it’s running out of memory and when the keyboard is presented or dismissed.