expand method
animate panel height to maxPanelSize
Implementation
Future<void> expand() async {
if (!isAttached) throw UnAttachStateException('you can\'t use controller before _ScrollablePanelState build.');
await _state?._expand();
}
animate panel height to maxPanelSize
Future<void> expand() async {
if (!isAttached) throw UnAttachStateException('you can\'t use controller before _ScrollablePanelState build.');
await _state?._expand();
}