Blackberry Smartphones Specifications download pdf (Page 47)

Best practice: Implementing alert dialog boxes

• Include only an OK button. This button should be highlighted by default. When users click the button, the dialog box should

close. To provide users with multiple buttons, such as an OK button and a Cancel button, use an inquiry dialog box instead.

• Allow users to press the Escape key to close the dialog box.

• Use a concise, descriptive message to explain the situation that prompted the alert.

• Avoid phrasing messages as questions. Use statements instead.

Information dialog boxes

Use information dialog boxes to provide feedback about a user action. Information dialog boxes close automatically after a

predefined period of time, or users can close the dialog box by pressing the Escape key. An information indicator appears in an

information dialog box.

UI Guidelines

Dialog boxes

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Blackberry Smartphones Specifications Page 47