August 2021
Intermediate to advanced
272 pages
8h 35m
English
book
Inside the Android OS: Building, Customizing, Managing and Operating Android System Services
by G. Blake Meike, Larry Schiefer
Content preview from Inside the Android OS: Building, Customizing, Managing and Operating Android System Services
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10
Project Treble: Binderized HAL
The Android system and its use of the HAL received a major overhaul starting with Android 8.0. Internally, this was called Project Treble and its goal was not only to provide a standard abstraction to the underlying hardware, but to do it in a way that allowed vendors to upgrade the core OS without requiring a rebuild of HAL libraries and the system image. This means Google can roll out OS updates without requiring modifications to the vendor proprietary components. Binderized HALs must be used for Android 8.0 and newer. This new, extremely flexible, and forward-looking approach to the HAL requires some knowledge of Android’s Binder subsystem.
The platform vendor–supplied HAL is no longer a set of shared libraries ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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