flutter实现磨砂玻璃效果实例详解

import 'dart:ui';
import 'package:flutter/material.dart';
class FrostedGlassLookDemo extends StatefulWidget {
  const FrostedGlassLookDemo({super.key});
  @override
  @override_FrostedGlassLookDemoState
  createState() => _FrostedGlassLookDemoState();
}
class _FrostedGlassLookDemoState extends State<FrostedGlassLookDemo> {
  @override
  @overrideWidget
  build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.white,
      appBar: AppBar(
        elevation: 1,
        centerTitle: true,
        title: const Text("Frosted Glass Look Demo"),
        backgroundColor: Colors.blueGrey,
      ),
      body: Stack(
        children: [
          Center(
              child: Container(
            height: MediaQuery.of(context).size.height / 3,
            width: MediaQuery.of(context).size.width / 1,
            decoration: BoxDecoration(
              borderRadius: BorderRadius.circular(20.0),
            ),
            child: const FlutterLogo(),
          )),
          Center(
            child: ClipRect(
              child: BackdropFilter(
                filter: ImageFilter.blur(sigmaX: 10.0, sigmaY: 10.0),
                child: Container(
                  height: MediaQuery.of(context).size.height / 3,
                  width: MediaQuery.of(context).size.width / 1.5,
                  decoration: BoxDecoration(
                      borderRadius: BorderRadius.circular(20.0),
                      color: Colors.grey.shade200.withOpacity(0.5)),
                  child: const Center(
                      child: Text(
                    "Glass Effect Container",
                    style: TextStyle(fontSize: 15),
                  )),
                ),
              ),
            ),
          ),
        ],
      ),
    );
  }
}