リップル効果

ripple_effect

A easy way to achieve a ripple effect on you flutter app.

Usage

First you need to wrap your page/Scaffold with the RipplePage widget, the ripple efect will growth until this widget. Then wrap with the RippleEffect where the animation should begin. When the animation should begin, call the RippleEffect.start method passing you callback method(often navigate to other page).

The RipplePage and RippleEffect widgets need their GlobalKeys respectively to work.

Example

class Stateless extends StatelessWidget {
  final pageKey = RipplePage.createGlobalKey();
  final effectKey = RippleEffect.createGlobalKey();
  
  @override
  Widget build(BuildContext context) {
    return RipplePage(
      child: Scaffold(
        body: Center(),
        floatingActionButton: RippleEffect(
          pageKey: pageKey,
          effectKey: effectKey,
          color: Colors.blue,
          child: FloatingActionButton(
            backgroundColor: Colors.blue,
            onPressed: () =>
                 RippleEffect.start(effectKey, () => toNextPage(context)),
            child: Icon(Icons.arrow_back),
          ),
        )
      ),
    );
  }
}