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Android High Performance Programming

You're reading from  Android High Performance Programming

Product type Book
Published in Aug 2016
Publisher Packt
ISBN-13 9781785288951
Pages 412 pages
Edition 1st Edition
Languages
Authors (3):
Emil Atanasov Emil Atanasov
Profile icon Emil Atanasov
Enrique López Mañas Enrique López Mañas
Profile icon Enrique López Mañas
Diego Grancini Diego Grancini
Profile icon Diego Grancini
View More author details

Table of Contents (17) Chapters

Android High Performance Programming
Credits
About the Authors
About the Reviewer
www.PacktPub.com
Preface
1. Introduction: Why High Performance? 2. Efficient Debugging 3. Building Layouts 4. Memory 5. Multithreading 6. Networking 7. Security 8. Optimizing Battery Consumption 9. Native Coding in Android 10. Performance Tips Index

Summary


We started this chapter discussing the importance of the good management of images from different points of view, because it is critical for every application that handles them:

  • Loading: Images are the biggest weight on the memory. Many times we use them as they are, without processing them properly to reduce their pressure on overall system performance. For this reason, scaling operations are always needed in such a fragmented market as that of Android devices. Hence, we discussed the proper way to enhance performance while scaling them by using the commonly provided Android API.

  • Processing: Operations over images are expensive, and they need to be executed in a worker thread in order to free the main one from unnecessary computations. We looked at a way to elaborate images safely from a responsiveness perspective.

  • Caching: The best way to save external communication is to save data for future reuse. That's why we improved methods and algorithms to cache images, maximizing their...

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