tooltip property Null safety

String? tooltip
final

Provides a textual description of the widget's tooltip.

In Android, this property sets the AccessibilityNodeInfo.setTooltipText. In iOS, this property is appended to the end of the UIAccessibilityElement.accessibilityLabel.

If a tooltip is provided, there must either by an ambient Directionality or an explicit textDirection should be provided.

Implementation

final String? tooltip;