Beginning Android, Fifth Edition

Chapter    11

Android Fragments

Your journey through Android fundamentals so far has explored all of the main aspects of an Android application’s user interface, from layout to choice of widgets, and including the creation and flow of activities through sample applications and your own testing. For quite a few of the early years of Android the UI development only became complex when more advanced widgets and screen elements were added to the tiny phone screens we were all using.

Then along came tablets. Big tablets, medium-sized tablets, things that would one day be called “phablets” and “jumbophones”. 2011 saw the introduction of devices with screens up to – and in a few rare cases beyond – a foot in diagonal screen size. Google hurriedly pushed ...