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Flutter 页面进场动画,支持从左往右、从右往左、从上往下以及从下往上。从右往左和从下往上的页面,在安卓上也支持类似IOS左侧滑动推出。


import 'package:flutter/material.dart';
import 'package:page_entry_animation/page_entry_animation.dart';
import './container_test.dart';

void main() {

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        // This is the theme of your application.
        // Try running your application with "flutter run". You'll see the
        // application has a blue toolbar. Then, without quitting the app, try
        // changing the primarySwatch below to and then invoke
        // "hot reload" (press "r" in the console where you ran "flutter run",
        // or simply save your changes to "hot reload" in a Flutter IDE).
        // Notice that the counter didn't reset back to zero; the application
        // is not restarted.
        // This makes the visual density adapt to the platform that you run
        // the app on. For desktop platforms, the controls will be smaller and
        // closer together (more dense) than on mobile platforms.
        visualDensity: VisualDensity.adaptivePlatformDensity,
      home: MyHomePage(title: 'Flutter Demo Home Page'),

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key, this.title}) : super(key: key);

  // This widget is the home page of your application. It is stateful, meaning
  // that it has a State object (defined below) that contains fields that affect
  // how it looks.

  // This class is the configuration for the state. It holds the values (in this
  // case the title) provided by the parent (in this case the App widget) and
  // used by the build method of the State. Fields in a Widget subclass are
  // always marked "final".

  final String title;

  _MyHomePageState createState() => _MyHomePageState();

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;

  void _incrementCounter() {
    setState(() {
      // This call to setState tells the Flutter framework that something has
      // changed in this State, which causes it to rerun the build method below
      // so that the display can reflect the updated values. If we changed
      // _counter without calling setState(), then the build method would not be
      // called again, and so nothing would appear to happen.

  Widget build(BuildContext context) {
    // This method is rerun every time setState is called, for instance as done
    // by the _incrementCounter method above.
    // The Flutter framework has been optimized to make rerunning build methods
    // fast, so that you can just rebuild anything that needs updating rather
    // than having to individually change instances of widgets.
    return Scaffold(
      appBar: AppBar(
        // Here we take the value from the MyHomePage object that was created by
        // the method, and use it to set our appbar title.
        title: Text(widget.title),
      body: Center(
        child: Column(
          children: <Widget>[
              child: Text('从右往左进入的页面'),
              onPressed: () => Navigator.of(context).push(PageEntryAnimation(
                  type: PageEntryAnimationType.R2L)),
              child: Text('从下往上进入的页面'),
              onPressed: () => Navigator.of(context).push(PageEntryAnimation(
                  type: PageEntryAnimationType.B2T)),
              child: Text('从左往右进入的页面'),
              onPressed: () => Navigator.of(context).push(PageEntryAnimation(
                  type: PageEntryAnimationType.L2R)),
              child: Text('从上往下进入的页面'),
              onPressed: () => Navigator.of(context).push(PageEntryAnimation(
                  type: PageEntryAnimationType.T2B)),
      floatingActionButton: FloatingActionButton(
        onPressed: _incrementCounter,
        tooltip: 'Increment',
        child: Icon(Icons.add),
      ), // This trailing comma makes auto-formatting nicer for build methods.
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Flutter 页面进场动画,支持从左往右、从右往左、从上往下以及从下往上。从右往左和从下往上的页面,在安卓上也支持类似IOS左侧滑动推出。

Repository (GitHub)


API reference


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