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Add example.md for the example tab on pub.dev.
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‎README.md

Lines changed: 63 additions & 83 deletions
Original file line numberDiff line numberDiff line change
@@ -608,34 +608,23 @@ class UnityDemoScreen extends StatefulWidget {
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}
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class _UnityDemoScreenState extends State<UnityDemoScreen> {
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static final GlobalKey<ScaffoldState> _scaffoldKey =
612-
GlobalKey<ScaffoldState>();
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UnityWidgetController? _unityWidgetController;
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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key: _scaffoldKey,
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body: SafeArea(
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bottom: false,
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child: WillPopScope(
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onWillPop: () async {
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// Pop the category page if Android back button is pressed.
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return true;
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},
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child: Container(
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color: Colors.yellow,
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child: UnityWidget(
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onUnityCreated: onUnityCreated,
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),
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),
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body: Container(
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color: Colors.yellow,
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child: UnityWidget(
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onUnityCreated: onUnityCreated,
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),
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),
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);
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}
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// Callback that connects the created controller to the unity controller
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void onUnityCreated(controller) {
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void onUnityCreated(UnityWidgetController controller) {
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_unityWidgetController = controller;
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}
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}
@@ -649,79 +638,71 @@ class _UnityDemoScreenState extends State<UnityDemoScreen> {
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import 'package:flutter/material.dart';
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import 'package:flutter_unity_widget/flutter_unity_widget.dart';
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void main() => runApp(const MyApp());
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void main() {
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runApp(
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const MaterialApp(
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home: UnityDemoScreen(),
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),
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);
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}
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class MyApp extends StatefulWidget {
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const MyApp({Key? key}) : super(key: key);
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class UnityDemoScreen extends StatefulWidget {
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const UnityDemoScreen({Key? key}) : super(key: key);
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@override
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State<MyApp> createState() => _MyAppState();
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State<UnityDemoScreen> createState() => _UnityDemoScreenState();
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}
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class _MyAppState extends State<MyApp> {
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static final GlobalKey<ScaffoldState> _scaffoldKey =
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GlobalKey<ScaffoldState>();
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class _UnityDemoScreenState extends State<UnityDemoScreen> {
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UnityWidgetController? _unityWidgetController;
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double _sliderValue = 0.0;
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667-
@override
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void initState() {
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super.initState();
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}
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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home: Scaffold(
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key: _scaffoldKey,
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appBar: AppBar(
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title: const Text('Unity Flutter Demo'),
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),
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body: Card(
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margin: const EdgeInsets.all(8),
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clipBehavior: Clip.antiAlias,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(20.0),
662+
return Scaffold(
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appBar: AppBar(
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title: const Text('Unity Flutter Demo'),
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),
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body: Stack(
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children: <Widget>[
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UnityWidget(
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onUnityCreated: onUnityCreated,
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onUnityMessage: onUnityMessage,
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onUnitySceneLoaded: onUnitySceneLoaded,
685672
),
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child: Stack(
687-
children: <Widget>[
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UnityWidget(
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onUnityCreated: onUnityCreated,
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onUnityMessage: onUnityMessage,
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onUnitySceneLoaded: onUnitySceneLoaded,
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fullscreen: false,
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),
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Positioned(
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bottom: 20,
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left: 20,
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right: 20,
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// <You need a PointerInterceptor here on web>
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child: Card(
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elevation: 10,
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child: Column(
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children: <Widget>[
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const Padding(
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padding: EdgeInsets.only(top: 20),
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child: Text("Rotation speed:"),
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),
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Slider(
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onChanged: (value) {
709-
setState(() {
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_sliderValue = value;
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});
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setRotationSpeed(value.toString());
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},
714-
value: _sliderValue,
715-
min: 0,
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max: 20,
717-
),
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],
719-
),
673+
674+
// Flutter UI Stacked on top of Unity to demo Flutter -> Unity interactions.
675+
// On web this requires a PointerInterceptor widget.
676+
Positioned(
677+
bottom: 0,
678+
// <You need a PointerInterceptor here on web>
679+
child: SafeArea(
680+
child: Card(
681+
elevation: 10,
682+
child: Column(
683+
children: <Widget>[
684+
const Padding(
685+
padding: EdgeInsets.only(top: 20),
686+
child: Text("Rotation speed:"),
687+
),
688+
Slider(
689+
onChanged: (value) {
690+
setState(() {
691+
_sliderValue = value;
692+
});
693+
// Send value to Unity
694+
setRotationSpeed(value.toString());
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},
696+
value: _sliderValue,
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min: 0.0,
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max: 1.0,
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),
700+
],
720701
),
721702
),
722-
],
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),
723704
),
724-
),
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],
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),
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);
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}
@@ -735,16 +716,16 @@ class _MyAppState extends State<MyApp> {
735716
);
736717
}
737718
738-
// Communication from Unity to Flutter
739-
void onUnityMessage(message) {
740-
print('Received message from unity: ${message.toString()}');
741-
}
742-
743719
// Callback that connects the created controller to the unity controller
744-
void onUnityCreated(controller) {
720+
void onUnityCreated(UnityWidgetController controller) {
745721
_unityWidgetController = controller;
746722
}
747723
724+
// Communication from Unity to Flutter
725+
void onUnityMessage(dynamic message) {
726+
print('Received message from unity: ${message.toString()}');
727+
}
728+
748729
// Communication from Unity when new scene is loaded to Flutter
749730
void onUnitySceneLoaded(SceneLoaded? sceneInfo) {
750731
if (sceneInfo != null) {
@@ -754,7 +735,6 @@ class _MyAppState extends State<MyApp> {
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}
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}
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}
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```
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## Props

‎example/example.md

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,117 @@
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# Example
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This example **requires** you to first follow the Readme setup and make an export in Unity.
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An example Unity project can be found in `example/unity/DemoApp`.
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For Android and iOS we recommended to run this on a real device. Emulator support is very limited.
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## Flutter
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```dart
14+
import 'package:flutter/material.dart';
15+
import 'package:flutter_unity_widget/flutter_unity_widget.dart';
16+
17+
void main() {
18+
runApp(
19+
const MaterialApp(
20+
home: UnityDemoScreen(),
21+
),
22+
);
23+
}
24+
25+
class UnityDemoScreen extends StatefulWidget {
26+
const UnityDemoScreen({Key? key}) : super(key: key);
27+
28+
@override
29+
State<UnityDemoScreen> createState() => _UnityDemoScreenState();
30+
}
31+
32+
class _UnityDemoScreenState extends State<UnityDemoScreen> {
33+
UnityWidgetController? _unityWidgetController;
34+
double _sliderValue = 0.0;
35+
36+
@override
37+
Widget build(BuildContext context) {
38+
return Scaffold(
39+
appBar: AppBar(
40+
title: const Text('Unity Flutter Demo'),
41+
),
42+
body: Stack(
43+
children: <Widget>[
44+
// This plugin's widget.
45+
UnityWidget(
46+
onUnityCreated: onUnityCreated,
47+
onUnityMessage: onUnityMessage,
48+
onUnitySceneLoaded: onUnitySceneLoaded,
49+
),
50+
51+
// Flutter UI Stacked on top of Unity to demo Flutter -> Unity interactions.
52+
// On web this requires a PointerInterceptor widget.
53+
Positioned(
54+
bottom: 0,
55+
// <You need a PointerInterceptor here on web>
56+
child: SafeArea(
57+
child: Card(
58+
elevation: 10,
59+
child: Column(
60+
children: <Widget>[
61+
const Padding(
62+
padding: EdgeInsets.only(top: 20),
63+
child: Text("Rotation speed:"),
64+
),
65+
Slider(
66+
onChanged: (value) {
67+
setState(() {
68+
_sliderValue = value;
69+
});
70+
// Send value to Unity
71+
setRotationSpeed(value.toString());
72+
},
73+
value: _sliderValue,
74+
min: 0.0,
75+
max: 1.0,
76+
),
77+
],
78+
),
79+
),
80+
),
81+
),
82+
],
83+
),
84+
);
85+
}
86+
87+
// Callback that connects the created controller to the unity controller
88+
void onUnityCreated(UnityWidgetController controller) {
89+
_unityWidgetController = controller;
90+
}
91+
92+
// Communcation from Flutter to Unity
93+
void setRotationSpeed(String speed) {
94+
// Set the rotation speed of a cube in our example Unity project.
95+
_unityWidgetController?.postMessage(
96+
'Cube',
97+
'SetRotationSpeed',
98+
speed,
99+
);
100+
}
101+
102+
// Communication from Unity to Flutter
103+
void onUnityMessage(dynamic message) {
104+
print('Received message from unity: ${message.toString()}');
105+
}
106+
107+
// Communication from Unity when new scene is loaded to Flutter
108+
void onUnitySceneLoaded(SceneLoaded? sceneInfo) {
109+
if (sceneInfo != null) {
110+
print('Received scene loaded from unity: ${sceneInfo.name}');
111+
print(
112+
'Received scene loaded from unity buildIndex: ${sceneInfo.buildIndex}');
113+
}
114+
}
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}
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```

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