The PhoneGap File API provides an application with the methods needed to locate, read, write, copy, move, and remove files in both temporary and persistent file storage on a mobile device. PhoneGap’s implementation of the File API is based in part on the W3C File API: Directories and System specification (www.w3.org/TR/file-system-api). At this time, not all of the capabilities of the W3C specification have been implemented, but the API provides the essential capabilities a mobile developer will be interested in.
A sample application, Example 18-1, was created to help illustrate the features of the File API. Because of the length of the application, however, it was not possible to include the complete application ...