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Learning Concurrency in Kotlin

You're reading from   Learning Concurrency in Kotlin Build highly efficient and scalable applications

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Product type Paperback
Published in Jul 2018
Publisher Packt
ISBN-13 9781788627160
Length 266 pages
Edition 1st Edition
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Concepts
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Author (1):
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Miguel Angel Castiblanco Torres Miguel Angel Castiblanco Torres
Author Profile Icon Miguel Angel Castiblanco Torres
Miguel Angel Castiblanco Torres
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Toc

Table of Contents (11) Chapters Close

Preface 1. Hello, Concurrent World! 2. Coroutines in Action FREE CHAPTER 3. Life Cycle and Error Handling 4. Suspending Functions and the Coroutine Context 5. Iterators, Sequences, and Producers 6. Channels - Share Memory by Communicating 7. Thread Confinement, Actors, and Mutexes 8. Testing and Debugging Concurrent Code 9. The Internals of Concurrency in Kotlin 10. Other Books You May Enjoy

Producers in action

To finish this chapter, we are going to update our RSS Reader so that it fetches information on demand. The idea is that we will fetch one feed at the beginning, and from there on we fetch one more feed as the user scrolls down close to the end of the list. That way, we reduce the amount of data consumed.

Having the adapter request more articles

We want to be able to request articles as the user scrolls, so the first step is to connect the adapter with the articles to a listener that can fetch more articles when needed. To do this, we are first going to add an interface to the same file where the class ArticleAdapter resides:

interface ArticleLoader {
suspend fun loadMore()
}

class ArticleAdapter: RecyclerView...
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