HansMuller

class Adaptation<T> {
  const Adaptation();
  Type get type => T;
  T adapt(ThemeData theme, T defaultValue) => defaultValue;
}

class ThemeData {
  factory ThemeData({ Iterable<Adaptation>?  adaptations }) {
    return ThemeData.raw(
      adaptationMap: <Type, Adaptation>{

HansMuller

import 'package:flutter/material.dart';

/// Animated text widget that will animate changes in [temperature] to match
/// the effect on the new thermostats.
class AnimatedTemperatureText extends StatefulWidget {
  final int temperature;
  final Color textColor;

  const AnimatedTemperatureText({
    super.key,

HansMuller

import 'dart:math' as math;

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

class Item extends StatelessWidget {
  const Item({ super.key, required this.title, required this.color });

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

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

class Destination {
  const Destination(this.index, this.title, this.icon, this.color);
  final int index;
  final String title;
  final IconData icon;
  final MaterialColor color;
}

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

// 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';