1
1
IntroductIon to the
AndroId operAtIng
SyStem And threAtS
Android is the most popular mobile operating system, based on the
Linux kernel, primarily designed for touchscreen mobile devices at the
time this book was written. Google became involved with the nancial
backing of Android Inc. in 2005, with smartphones using the operating
system, which debuted in 2008 (HTC Dream). e operating system
is open source, distributed under the Apache License, leading to rapid
development by many globally. According to AppBrain, over 1.1 mil-
lion Android apps exist in the market as of February 13, 2014, with
22percent identied as low-quality apps.
Android operating system versions are named after consumables
starting with version 1.5. e version where ...