splash_button_widget.dart

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

class SplashButton extends StatelessWidget {
  // Variables
  final Function onClick;
  final String text;

  SplashButton({
    this.onClick,
    this.text,
  });

  // Build
  @override
  Widget build(BuildContext context) {
    return new GestureDetector(
      onTap: onClick,
      child: new ClipRRect(
        borderRadius: BorderRadius.all(Radius.circular(12.0)),
        child: new BackdropFilter(
          filter: new ImageFilter.blur(sigmaX: 2.0, sigmaY: 2.0),
          child: new Container(
            width: 150.0,
            height: 50.0,
            decoration: new BoxDecoration(
              color: Colors.black.withOpacity(0.2),
            ),
            child: new Center(
              child: Text(
                text,
                style: TextStyle(color: Colors.white),
              ),
            ),
          ),
        ),
      ),
    );
  }
}