PageView

snippet.packages.flutter.lib.src.widgets.page_view.48.

  

// ignore_for_file: directives_ordering
// ignore_for_file: unnecessary_import
// ignore_for_file: unused_import
// ignore_for_file: unused_element
// ignore_for_file: unused_local_variable
import 'dart:async';
import 'dart:convert';
import 'dart:math' as math;
import 'dart:typed_data';
import 'dart:ui' as ui;
import 'package:flutter_test/flutter_test.dart';
import 'package:flutter/material.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/widgets.dart';
import 'package:flutter/gestures.dart';
import 'package:flutter/painting.dart';
import 'package:flutter/physics.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/semantics.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/scheduler.dart';
import 'package:flutter/animation.dart';
import 'package:flutter/services.dart';

// From: packages/flutter/lib/src/widgets/page_view.dart:48
class MyPageView extends StatefulWidget {
  const MyPageView({Key? key}) : super(key: key);

  @override
  State createState() => _MyPageViewState();
}

class _MyPageViewState extends State {
  final PageController _pageController = PageController();

  @override
  void dispose() {
    _pageController.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        body: PageView(
          controller: _pageController,
          children: [
            Container(
              color: Colors.red,
              child: Center(
                child: ElevatedButton(
                  onPressed: () {
                    if (_pageController.hasClients) {
                      _pageController.animateToPage(
                        1,
                        duration: const Duration(milliseconds: 400),
                        curve: Curves.easeInOut,
                      );
                    }
                  },
                  child: const Text('Next'),
                ),
              ),
            ),
            Container(
              color: Colors.blue,
              child: Center(
                child: ElevatedButton(
                  onPressed: () {
                    if (_pageController.hasClients) {
                      _pageController.animateToPage(
                        0,
                        duration: const Duration(milliseconds: 400),
                        curve: Curves.easeInOut,
                      );
                    }
                  },
                  child: const Text('Previous'),
                ),
              ),
            ),
          ],
        ),
      ),
    );
  }
}