fade_shimmer 2.4.0

A fade shimmer library to implement loading effects like the latest Facebook loading skeleton UI with smooth fade transitions.

example/lib/main.dart

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

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
        visualDensity: VisualDensity.adaptivePlatformDensity,
      ),
      debugShowCheckedModeBanner: false,
      home: LoadingPage(),
    );
  }
}

class LoadingPage extends StatefulWidget {
  const LoadingPage({Key? key}) : super(key: key);

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

class _LoadingPageState extends State<LoadingPage> {
  bool isDarkMode = true;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: isDarkMode ? Color(0xff181818) : Color(0xffF0F2F5),
      floatingActionButton: FloatingActionButton(
        child: Icon(
          Icons.wb_sunny,
          color: Colors.white.withOpacity(isDarkMode ? 0.5 : 1),
        ),
        onPressed: () {
          setState(() {
            isDarkMode = !isDarkMode;
          });
        },
      ),
      body: Container(
        child: ListView.separated(
          itemBuilder: (_, i) {
            final delay = (i * 300);
            return Container(
              decoration: BoxDecoration(
                  color: isDarkMode ? Color(0xff242424) : Colors.white,
                  borderRadius: BorderRadius.circular(8)),
              margin: EdgeInsets.symmetric(horizontal: 16),
              padding: EdgeInsets.all(16),
              child: Row(
                children: [
                  FadeShimmer.round(
                    size: 60,
                    fadeTheme: isDarkMode ? FadeTheme.dark : FadeTheme.light,
                    millisecondsDelay: delay,
                  ),
                  SizedBox(
                    width: 8,
                  ),
                  Column(
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      FadeShimmer(
                        height: 8,
                        width: 150,
                        radius: 4,
                        millisecondsDelay: delay,
                        fadeTheme:
                        isDarkMode ? FadeTheme.dark : FadeTheme.light,
                      ),
                      SizedBox(
                        height: 6,
                      ),
                      FadeShimmer(
                        height: 8,
                        millisecondsDelay: delay,
                        width: 170,
                        radius: 4,
                        fadeTheme:
                        isDarkMode ? FadeTheme.dark : FadeTheme.light,
                      ),
                    ],
                  )
                ],
              ),
            );
          },
          itemCount: 20,
          separatorBuilder: (_, __) => SizedBox(
            height: 16,
          ),
        ),
      ),
    );
  }
}