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4.3 Use Case Specification

Definitions:

• EBR means Electronic-Book-Reader

• User A is the user of the EBR.

• Hard-arrow-keys are the Up, Down, Left, Right keys on the EBR.

• Hard-enter-button is the enter button on the EBR.

• The virtual keyboard in this context is a soft popup-keyboard that can be

navigated with hard-arrow-keys. For every character selected in the virtual

keyboard the user has to press the hard-enter-button.

• UI stands for User Interface.

• WiFiConnectivityinthiscontextisopeningupofalinkbetweentheEBR

andaWiFihotspot.

• WiFiDownloadistheopeningupofalinkbetweentheEBRanda

contentdeliveryserver.

Statement:

• Henceforth in every case, user A shall navigate through the menu and then select

an option before pressing the hard-enter-button.

UC:Searchfordocument

Allows the user to search for documents

Basic Flow of Events:

a) User A chooses to search for a document by pressing F2-hard-button.

b) A virtual keyboard that includes an input dialog appears.

c) User A enters the document title, date or size.

d) User A initiates a search by pressing hard-enter-button.

e) List of matched documents are displayed.

f) User A selects a document.

g) The selected document opens.

Alternative Flow 1:

a-d) As in Basic Flow

e) User A cancels search while in progress.

f) The database search is canceled

g) The list of already found documents is displayed.

Alternative Flow 2:

a-d) As in Basic Flow

e) There is no matching document.

f) Display document not found.

UC:Searchinsideadocument

Allows the user to search for a word within a document.

Basic Flow of events:

a)User A chooses to search inside a document by pressing F2-hard-button.

b)A virtual keyboard that includes an input dialog appears.

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Amazon Kindle D00111 Manuale Utente Pagina 22