IOS Communication Patterns Explained, Part V: Blocks

Finally, we are here! It's been quite a long road since the initial solution, where we just put all of our code into one class and we were happy that it worked in the current situation, where our code was based on the delegation pattern. In this blog post, we go further. We will apply the block-based solution for our small downloader class.

In the last post, we applied the delegation pattern to our small app. For the one-to-one communication situations, like we have in our example code,...

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