A backend for a ScrollActivity.
Used by subclasses of ScrollActivity to manipulate the scroll view that they are acting upon.
double delta) → void
- Updates the scroll position by the given amount. [...]
double velocity) → void
- Terminate the current activity and start a ballistic activity with the given velocity.
) → void
- Terminate the current activity and start an idle activity.
double pixels) → double
- Update the scroll position to the given pixel value. [...]
Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
) → String
Returns a string representation of this object.