Posts tagged as: nsoperation

Cloning UIImagePickerController using the Assets Library Framework

October 7th, 2020 Posted by: - posted under:Featured » Tutorials - 49 Comments

Hello iCoders. This is a follow up post to my initial post on the Assets Library Framework and Blocks. We came across an interesting problem when working on the application for They have had an app in the store since the very early days of the app store, and one of our biggest struggles has been creating an interface to allow …


iPhone Coding – Turbo Charging Your Apps With NSOperation

March 4th, 2020 Posted by: - posted under:Tutorials - 66 Comments

So, let’s face it, MANY applications in the app store are “Clunky”. They have jittery interfaces, poor scrolling performance, and the UI tends to lock up at times. The reason? DOING ANYTHING OTHER THAN INTERFACE MANIPULATION IN THE MAIN APPLICATION THREAD!

What do I mean by this? Well, I am essentially talking about multithreading your application. If you don’t know what is meant by multithreading, I suggest you read up on it and return to this post. Let’s dig in and I’ll give you an example of the problem.