December 2015
Intermediate to advanced
704 pages
20h 29m
English
book
Introduction to Android™ Application Development: Android Essentials, Fifth Edition
by Joseph Annuzzi Jr., Lauren Darcey, Shane Conder
Content preview from Introduction to Android™ Application Development: Android Essentials, Fifth Edition
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15. Accessing Files and Directories
Android applications can store raw files on a device by using a variety of methods. The Android SDK includes a number of helpful APIs for working with private application and cache files, as well as for accessing external files on removable storage such as SD cards. Developers who need to store information safely and persistently will find the available file management APIs familiar and easy to use. In this chapter, we show you how to use the Android file system to read, write, and delete application data.
Working with Application Data on a Device
As discussed in Chapter 14, “Using Android Preferences,” shared preferences provide a simple mechanism for storing simple application data persistently. However, ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.