The basics of bit manipulation

Talking with fellow developers, I realized that many feel confused when it comes down to bit manipulation. It is indeed something not used on a day-to-day basis, but nevertheless the Android framework relies on it heavily in for memory optimizations: when a boolean can do, a bit can do too. Examples are View and Window flags. This post sets out to demystify the basics of bit manipulation: afterwards it will feel no more difficult than using arrays. Continue reading