12. Working with Files and Directories
Android applications can store raw files on a device 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 the previous chapter, shared preferences provide a simple mechanism for storing simple application data persistently. However, many applications require ...
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