69.2 Working with the Storage Access Framework

Android includes a set of Intents designed to integrate the features of the Storage Access Framework into Android applications. These intents display the Storage Access Framework picker user interface to the user and return the results of the interaction to the application via a call to the onActivityResult() method of the activity that launched the intent. When the onActivityResult() method is called, it is passed the Uri of the selected file together with a value indicating the success or otherwise of the operation.

The Storage Access Framework intents can be summarized as follows:

•ACTION_OPEN_DOCUMENT – Provides the user with access to the picker user interface so that files may be selected from the document providers configured on the device. Selected files are passed back to the application in the form of Uri objects.

•ACTION_CREATE_DOCUMENT – Allows the user to select a document provider, a...