Displaying information on a screen temporarily
You can display information on a screen temporarily using a transparent overlay or an opaque overlay. For example, when users view an image, you can display a description of the image along the top or bottom of the screen. You can define the amount of time that the information appears on a screen.
User goal
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Action using the navigation keys
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Action using a touch screen
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Action using a physical keyboard
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Display information temporarily.
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Move a finger on the trackpad.
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Touch the screen.
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Press any key.
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Figure 1. Before information displays on a screen
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Figure 2. When information displays on a screen
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Best practice: Displaying information on a screen temporarily
- Avoid displaying information or components that users require to complete a task. Display only secondary information, such as descriptions or metadata.
- To avoid distracting users from their primary task, display temporary information judiciously.
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