onFocusStart property

TouchRippleStateCallBack? onFocusStart
final

Defines a callback function that is called when the transitions to the focus state.

See also:

  • The focus state is a state in which the gesture can continue to detect and process pointers.

    For example, a double tap state can be defined as a state in which the widget continues to detect the pointer and define the gesture continuously.

Implementation

final TouchRippleStateCallBack? onFocusStart;