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-This folder contains example code for writing native apps that use Brillo
-sensors. The sensors HAL implementation must exist on the device for the apps
-in this folder to run successfully.
-
-Example files:
- hal-example-app.cpp:
- An example app that uses the sensors HAL (defined in
- hardware/libhardware/include/sensors.h) directly. In the app, the list of
- sensors found on the device is printed. And if an accelerometer exists, the
- app will read the data and print it out.
-
- ndk-example-app.cpp:
- An example app that uses the NDK sensors interface. In the app, the list of
- sensors found on the device is printed. And then the app tries to read data
- from accelerometer, proximity sensor, and significant motion sensor, which
- has continuous, on-change, and one-shot reporting modes respectively.
-
- sensors_hal.cpp
- An example implementation of a sensors HAL. It implements a fake
- accelerometer and custom sensor (defined in example_sensors.{h|cpp}). The
- accelerometer always returns random data. The custom sensor returns the hour
- for the local time.
-
- To use this HAL implementation, push the binary file sensors.example into
- /system/lib/hw/ folder and rename it to sensors.default (make sure there is
- no other sensors.* file under that folder).