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Simplifying Android Development with Coroutines and Flows

Simplifying Android Development with Coroutines and Flows

By : Jomar Tigcal
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Simplifying Android Development with Coroutines and Flows

Simplifying Android Development with Coroutines and Flows

5 (2)
By: Jomar Tigcal

Overview of this book

Coroutines and flows are the new recommended way for developers to carry out asynchronous programming in Android using simple, modern, and testable code. This book will teach you how coroutines and flows work and how to use them in building Android applications, along with helping you to develop modern Android applications with asynchronous programming using real data. The book begins by showing you how to create and handle Kotlin coroutines on Android. You’ll explore asynchronous programming in Kotlin, and understand how to test Kotlin coroutines. Next, you'll learn about Kotlin flows on Android, and have a closer look at using Kotlin flows by getting to grips with handling flow cancellations and exceptions and testing the flows. By the end of this book, you'll have the skills you need to build high-quality and maintainable Android applications using coroutines and flows.
Table of Contents (11 chapters)
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1
Part 1 – Kotlin Coroutines on Android
6
Part 2 – Kotlin Flows on Android

Buffering and combining flows

In this section, we will learn about buffering and combining Kotlin Flows. You can buffer and combine Flows with Flow operators. Buffering allows Flow with long-running tasks to run independently and avoid race conditions. Combining allows you to join different sources of Flows before processing or displaying them on the screen.

Buffering Kotlin Flows

In this section, we will learn about buffering Kotlin Flows. Buffering allows you to run data emission in parallel to the collection.

Emitting and collecting data with Flow run sequentially. When a new value is emitted, it will be collected. Emission of a new value can only happen once the previous data has been collected. If the emission or the collection of data from the Flow takes a while to complete, the whole process will take a longer time.

With buffering, you can make a Flow’s emission and collection of data run in parallel. There are three operators you can use to buffer Flows...

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