HansMuller

// From the original Flutter gallery demo
// dev/integration_tests/flutter_gallery/lib/demo/material/page_selector_demo.dart

import 'package:flutter/material.dart';

class _PageSelector extends StatelessWidget {
  const _PageSelector({ this.icons });

  final List<Icon>? icons;

HansMuller

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

class MenuDemo extends StatelessWidget {
  static const slug = 'menu';

  Widget menuItem(IconData? icon, int itemNumber) {
    return PopupMenuItem<Object>(
      child: Row(
        children: [

HansMuller

// A CoordinatedSliver that auto-scrolls to align itself with the
// top of the viewport when a scroll gesture leaves it partially visible.
//
// This demo must be run in a simulator or on a mobile device

import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/scheduler.dart';

class Item extends StatelessWidget {

HansMuller

// ReszingHeaderSliver AppBar Parts example: contacts version with autoscroll
// New coordinator API; coordinated slivers report layout info directly.

// https://gist.github.com/HansMuller/fd7b154108a142a0ea2ef1be24d09e94
// dartpad.dev/?id=fd7b154108a142a0ea2ef1be24d09e94

import 'dart:math' as math;

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

HansMuller

// PinnedHeaderSliver demo
// https://github.com/flutter/flutter/pull/143196

import 'dart:math' as math;

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';

void main() {

HansMuller

// Settings app bar demo with auto-scroll and new coordinator API.
// This demo must be run in a simulator or on a mobile device

import 'dart:math' as math;

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/scheduler.dart';

HansMuller

// ReszingHeaderSliver AppBar Parts example: contacts version with autoscroll
// New coordinator API; coordinated slivers report layout info directly.

import 'dart:math' as math;

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/scheduler.dart';

HansMuller

// ReszingHeaderSliver AppBar Parts example: contacts version with autoscroll hack

// https://gist.github.com/HansMuller/829c0ede0b28e305aa1545edd8aa37f9
// dartpad.dev/?id=829c0ede0b28e305aa1545edd8aa37f9

import 'dart:math' as math;

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';

HansMuller

// ReszingHeaderSliver AppBar Parts example: contacts version (no autoscroll)

import 'dart:math' as math;

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';

class _ContactBarButton extends StatelessWidget {
  const _ContactBarButton(this.icon, this.label);

HansMuller

// ReszingHeaderSliver AppBar Parts example: simple version

import 'dart:math' as math;

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';

// A placeholder SliverList of 50 items.
class ItemList extends StatelessWidget {