Tooltips display informative text when users hover over, focus on, or tap an element.

Usage

When activated, tooltips display a text label identifying an element, such as a description of its function.

Principles

Transient

Tooltips appear on hover, focus, or touch, and disappear after a short duration.

Paired

Tooltips are always paired nearby the element with which they are associated.

Succinct

Tooltips only include short, descriptive text.

Placement

Do
Use tooltips for interactive imagery.

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1. On hover
2. On focus

Don’t
Don’t use tooltips to restate visible UI text.

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1. On hover
2. On focus

Do
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1. Tooltips describe differences between similar elements
   2. Tooltips distinguish actions with related iconography

Don’t
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1. Don’t display shadows on tooltips
   2. Don’t display rich information and imagery on tooltips

Do
Keep the position of the tooltip visible.

Don’t
Don’t crop tooltips.

Desktop

Desktop tooltip on hover

Mobile

Tooltip displayed through long press

Tooltip summoned through focus (Android only)

Behavior

A tooltip is displayed upon tapping and holding a screen element or component (on mobile) or hovering over it (desktop). Continuously display the tooltip as long as the user long-presses or hovers over the element.

Timing

Display the tooltip for 1.5 seconds. If the user takes another action before that time ends, the tooltip will disappear.

Transitions

Tooltips use a fade transition pattern to enter and exit the screen. 1. 200%
2. 100%

On desktop, tooltips appear in the center of click targets and stay in place while cursor moves within the target. 1. Tooltip disappears when cursor moves out of the touch target
2. Tooltip remains while cursor moves within the touch target

主题

Reply Material Theme

This email app’s tooltips have been customized using Material Theming. Areas of customization include color, typography, and shape.

Reply’s customized tooltip.

Color

Reply’s tooltips use custom color on two elements: the container, and text string.

Typography

Reply’s tooltips use custom typography for the text string.

Shape

Reply’s tooltips use a custom container shape, with a 50% corner radius.

Specs

Desktop

Mobile