May 2017
Beginner to intermediate
470 pages
10h 49m
English
Content preview from Android System Programming
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Android emulator HAL
We built the Android emulator in Chapter 2, Setting Up the Development Environment. In order to have an overview of Android emulator HAL, we can take a look at the $OUT/system/lib/hw folder as follows:
We can see that there is a list of shared libraries. These are the shared libraries of goldfish HAL. The source code of the preceding shared libraries can be found in the device/generic/goldfish folder. The following table shows the relationship between the shared library, device node, and hardware module:
|
Hardware |
Device |
Lib (HAL) |
|
audio |
/dev/eac |
audio.primary.goldfish.so |
|
camera |
/dev/qemu_pipe |
camera.goldfish.jpeg.so ... |
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