Android defines a user space C abstraction interface for LED hardware. The interface header is defined in
In order to integrate LEDs with Android you need to build a shared library that implements this interface.
The types of logical lights currently supported by Android include:
Building a Lights Library
To implement a Lights driver, create a shared library that implements the interface defined in
lights.h. You must name your shared library
liblights.so so that it will get loaded from
/system/lib at runtime.
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