Upgrade to flutter3.10.x.
Add upperBound and minimumBound to control the maximum and minimum height of the panel.
Formatting code.
Migrate to null safety.
Add one parameters: dragDown: Drag down listener.
Add four parameters: dragStart: Drag start listener. dragUpdate: Drag update listener. dragCancel: Drag start listener. dragEnd: Drag end listener.
Update readme.
Add two parameters: onTap: A onTap callback to customize the processing logic when user click control bar. enableOnTap: Enable or disable the tap callback for control bar.
Remove default background of sliding up panel widget. Modify example ui to use rounded corner.
Modify example and readme.
Fix bug.
Import project