April 2016
Intermediate to advanced
194 pages
4h 37m
English
As a learning assignment for this chapter, we will be developing a small application that will make use of the light and proximity sensor in the phone to turn on and turn off the flash light and adjust the screen brightness. This app will be running in the foreground Android activity and will start processing the sensor values on onResume() and will stop on onPause(). We will have the separate activity for each proximity sensor and light sensor, and both will work independently. The following are the high-level requirements for the automatic torch light application: