water_drop 1.0.0

A package for creating water drops on top of your widgets.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:water_drop/water_drop.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Water drop',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: HomePage(),
    );
  }
}

class HomePage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: WaterDrop(
          params: [
            WaterDropParam(top: 6, height: 40, left: 6, width: 60),
            WaterDropParam(top: 16, height: 30, left: 100, width: 20),
          ],
          child: Container(
            color: Colors.blue,
            padding: const EdgeInsets.all(16),
            child: Text('Water drop'),
          ),
        ),
      ),
      body: SingleChildScrollView(
        child: Column(
          children: <Widget>[
            MyCard(color: Colors.green),
            MyCard(color: Colors.yellow),
            MyCard(color: Theme.of(context).cardColor),
            MyCard(color: Colors.orange),
          ],
        ),
      ),
    );
  }
}

class MyCard extends StatefulWidget {
  final Color color;

  const MyCard({Key key, this.color = Colors.green}) : super(key: key);

  @override
  _MyCardState createState() => _MyCardState();
}

class _MyCardState extends State<MyCard> with SingleTickerProviderStateMixin {
  AnimationController _animationController;

  @override
  void initState() {
    super.initState();
    _animationController = AnimationController(
      vsync: this,
      duration: Duration(milliseconds: 1000),
    )..repeat(reverse: true);
  }

  @override
  void dispose() {
    _animationController.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return AnimatedBuilder(
      animation: _animationController,
      builder: (context, child) {
        final move = _animationController.value * 40;
        return WaterDrop(
          child: child,
          params: [
            WaterDropParam(top: 50 + move, height: 70, left: 100, width: 50),
            WaterDropParam(top: 10 + move, height: 100, left: 280, width: 100),
            WaterDropParam(top: 155 + move, height: 35, left: 135, width: 35),
            WaterDropParam(top: 135 + move, height: 40, left: 250, width: 30),
            WaterDropParam(top: 20 + move, height: 40, left: 20, width: 40),
            WaterDropParam(top: 140 + move, height: 50, left: 15, width: 40),
            WaterDropParam(top: 20 + move, height: 30, left: 200, width: 30),
            WaterDropParam(top: 120 + move, height: 20, left: 360, width: 20),
          ],
        );
      },
      child: _StaticCard(color: widget.color),
    );
  }
}

class _StaticCard extends StatelessWidget {
  final Color color;

  const _StaticCard({Key key, this.color = Colors.green}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Card(
      color: color,
      child: Padding(
        padding: const EdgeInsets.all(8.0),
        child: Column(
          children: <Widget>[
            Text(
                'Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.'),
            RaisedButton(
              color: Colors.blue,
              textColor: Colors.white,
              child: Text('Press me'),
              onPressed: () {},
            )
          ],
        ),
      ),
    );
  }
}