Essential_Widgets

此软件包是小部件的集合，在标准 Flutter 小部件不足或需要功能更具体的小部件时可能有用。

使用示例

浮动抽屉

import 'package:essential_widgets/widgets/floatingDrawer.dart';
import 'package:flutter/material.dart';

class FloatingDrawerPage extends StatelessWidget {
  final List items = [
    DrawerTile(
      child: Text("Status: Online"),
      leading: Icon(Icons.cloud),
      trailing: Icon(
        Icons.brightness_1,
        color: Colors.green,
        size: 10,
      ),
    ),
    DrawerTile(
      child: Text("Games"),
      leading: Icon(Icons.gamepad),
      trailing: Icon(Icons.chevron_right),
      children: List.generate(2, (i) => DrawerTile(child: Text("${i + 1}"))),
    ),
    DrawerTile(
      child: Text("Friends"),
      leading: Icon(Icons.people),
      trailing: Icon(Icons.chevron_right),
      children: List.generate(5, (i) => DrawerTile(child: Text("${i + 1}"))),
    ),
    DrawerTile(
      child: Text("Exit"),
      leading: Icon(Icons.exit_to_app),
    ),
  ];

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        actions: [
          PopupMenuButton<String>(
            color: Colors.transparent,
            elevation: 0,
            itemBuilder: (context) => [
              PopupMenuItem(
                child: Container(
                  width: 300,
                  child: FloatingDrawer(
                    separator: Container(
                      width: double.infinity,
                      height: 1,
                      color: Colors.black12,
                    ),
                    color: Colors.white,
                    borderRadius: BorderRadius.circular(15),
                    tiles: [...items],
                  ),
                ),
              )
            ],
          )
        ],
      ),
    );
  }
}

参数

多功能浮动按钮

import 'package:essential_widgets/widgets/multiFab.dart';
import 'package:flutter/material.dart';

class MultiFabPage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
        body: Center(
          child: Text('Hola Mundo'),
        ),
        floatingActionButton: MultiFab(
          children: [
            ...List.generate(
                3,
                (i) => MultiFabItem(
                      onPressed: () {},
                      child: Text("$i"),
                    ))
          ],
        ));
  }
}

参数

阴影

import 'package:essential_widgets/widgets/shadowed.dart';
import 'package:flutter/material.dart';

class ShadowedPage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: Shadowed(
          child: Text(
            'Hola Mundo',
            style: TextStyle(fontSize: 30),
          ),
          blurLevel: 1.5,
          distance: 3,
          shadowColor: Colors.black45,
        ),
      ),
    );
  }
}

参数

幻灯片

import 'package:essential_widgets/widgets/slideshow.dart';
import 'package:flutter/material.dart';

class SlideshowPage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: Slideshow(
          slides: [
            ...List.generate(
              3,
              (i) => Container(
                alignment: Alignment.center,
                child: Text(
                  "$i",
                  style: TextStyle(fontSize: 35, color: Colors.white),
                ),
                decoration: BoxDecoration(
                    color: Colors.blueGrey[400],
                    borderRadius: BorderRadius.circular(25)),
              ),
            )
          ],
        ),
      ),
    );
  }
}

参数

Deployable

import 'package:essential_widgets/widgets/deployable.dart';
import 'package:flutter/material.dart';

class DeployablePage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Container(
        alignment: Alignment.centerRight,
        child: Stack(
          alignment: Alignment.centerRight,
          children: [
            SafeArea(
              child: Container(
                margin: EdgeInsets.all(10),
                padding: EdgeInsets.all(10),
                height: double.infinity,
                width: double.infinity,
                decoration: BoxDecoration(
                  borderRadius: BorderRadius.circular(20),
                  color: Colors.blueGrey[100],
                ),
              ),
            ),
            Deployable(
              child: Text(
                "Hello World",
                style: TextStyle(fontSize: 18),
              ),
            ),
          ],
        ),
      ),
    );
  }
}

Deployable

Blurred

import 'package:essential_widgets/widgets/blurred.dart';
import 'package:flutter/material.dart';

class BlurredPage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: Blurred(
          width: 200,
          height: 200,
          opacity: .1,
          blur: 8,
          accentColor: Colors.blueGrey,
          boxDecoration: BoxDecoration(borderRadius: BorderRadius.circular(20)),
          child: FlutterLogo(size: 100),
        ),
      ),
    );
  }
}

Blurred

响应式

• Factors 定义确定要使用的小部件的值，默认分别为 200px 和 800px。

factors[0] -> sm
factors[1] -> md

import 'package:essential_widgets/widgets/responsive.dart';
import 'package:flutter/material.dart';

class ResponsivePage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: Responsive(
          sm: Text("Small"),
          md: Text("Medium"),
          lg: Text("Large"),
          factors: [220, 768],
        ),
      ),
    );
  }
}

参数

GitHub

https://github.com/Daniel324a/Essential_Widgets