AnimatedCrossFade
A widget that cross-fades between two given children and animates itself between their sizes.
Example
AnimatedCrossFade( duration: const Duration(seconds: 3), firstChild: const FlutterLogo(style: FlutterLogoStyle.horizontal, size: 100.0), secondChild: const FlutterLogo(style: FlutterLogoStyle.stacked, size: 100.0), crossFadeState: _first ? CrossFadeState.showFirst : CrossFadeState.showSecond, )
