New example with Flutter <-> Unity communcation & iOS fixes

README.md

@@ -208,68 +208,95 @@ class _UnityDemoScreenState extends State<UnityDemoScreen>{
 
 ```dart
 import 'package:flutter/material.dart';
-import 'package:flutter/services.dart';
 import 'package:flutter_unity_widget/flutter_unity_widget.dart';
 
-class UnityDemoScreen extends StatefulWidget {
-
-  UnityDemoScreen({Key key}) : super(key: key);
+void main() => runApp(MyApp());
 
+class MyApp extends StatefulWidget {
   @override
-  _UnityDemoScreenState createState() => _UnityDemoScreenState();
+  _MyAppState createState() => _MyAppState();
 }
 
-class _UnityDemoScreenState extends State<UnityDemoScreen>{
+class _MyAppState extends State<MyApp> {
   static final GlobalKey<ScaffoldState> _scaffoldKey =
       GlobalKey<ScaffoldState>();
   UnityWidgetController _unityWidgetController;
-  bool paused = false;
+  double _sliderValue = 0.0;
 
+  @override
+  void initState() {
+    super.initState();
+  }
 
+  @override
   Widget build(BuildContext context) {
-
-    return Scaffold(
-      key: _scaffoldKey,
-      body: Scaffold(
+    return MaterialApp(
+      home: Scaffold(
         key: _scaffoldKey,
         appBar: AppBar(
           title: const Text('Unity Flutter Demo'),
         ),
-        body: Container(
-            child: Stack(
-          children: <Widget>[
-            UnityWidget(
-              onUnityViewCreated: onUnityCreated,
-            ),
-            Positioned(
-              bottom: 40.0,
-              left: 80.0,
-              right: 80.0,
-              child: MaterialButton(
-                onPressed: () {
-
-                  if(paused) {
-                    _unityWidgetController.resume();
-                    setState(() {
-                      paused = false;
-                    });
-                  } else {
-                    _unityWidgetController.pause();
-                    setState(() {
-                      paused = true;
-                    });
-                  }
-                },
-                color: Colors.blue[500],
-                child: Text(paused ? 'Start Game' : 'Pause Game'),
+        body: Card(
+          margin: const EdgeInsets.all(8),
+          clipBehavior: Clip.antiAlias,
+          shape: RoundedRectangleBorder(
+            borderRadius: BorderRadius.circular(20.0),
+          ),
+          child: Stack(
+            children: <Widget>[
+              UnityWidget(
+                onUnityViewCreated: onUnityCreated,
+                isARScene: false,
+                onUnityMessage: onUnityMessage,
               ),
-            ),
-          ],
-        )),
+              Positioned(
+                bottom: 20,
+                left: 20,
+                right: 20,
+                child: Card(
+                  elevation: 10,
+                  child: Column(
+                    children: <Widget>[
+                      Padding(
+                        padding: const EdgeInsets.only(top: 20),
+                        child: Text("Rotation speed:"),
+                      ),
+                      Slider(
+                        onChanged: (value) {
+                          setState(() {
+                            _sliderValue = value;
+                          });
+                          setRotationSpeed(value.toString());
+                        },
+                        value: _sliderValue,
+                        min: 0,
+                        max: 20,
+                      ),
+                    ],
+                  ),
+                ),
+              ),
+            ],
+          ),
+        ),
       ),
     );
   }
 
+  // Communcation from Flutter to Unity
+  void setRotationSpeed(String speed) {
+    _unityWidgetController.postMessage(
+      'Cube',
+      'SetRotationSpeed',
+      speed,
+    );
+  }
+
+  // Communication from Unity to Flutter
+  void onUnityMessage(controller, message) {
+    print('Received message from unity: ${message.toString()}');
+  }
+
   // Callback that connects the created controller to the unity controller
   void onUnityCreated(controller) {
     this._unityWidgetController = controller;

example/.gitignore

@@ -29,6 +29,8 @@
 build/
 
 android/UnityExport/
+ios/UnityExport/
+unity/DemoApp/.vs
 
 #example/
 example/unity/DemoApp/Builds/
@@ -44,6 +46,8 @@ example/unity/DemoApp/Temp/
 **/android/gradlew.bat
 **/android/local.properties
 **/android/**/GeneratedPluginRegistrant.java
+**/android/key.properties
+*.jks
 
 # iOS/XCode related
 **/ios/**/*.mode1v3
@@ -68,9 +72,13 @@ example/unity/DemoApp/Temp/
 **/ios/Flutter/app.flx
 **/ios/Flutter/app.zip
 **/ios/Flutter/flutter_assets/
+**/ios/Flutter/flutter_export_environment.sh
 **/ios/ServiceDefinitions.json
 **/ios/Runner/GeneratedPluginRegistrant.*
 
+# Coverage
+coverage/
+
 # Exceptions to above rules.
 !**/ios/**/default.mode1v3
 !**/ios/**/default.mode2v3

example/README.md

@@ -2,15 +2,21 @@
 
 Demonstrates how to use the flutter_unity_widget plugin.
 
-## Getting Started
+## Run the sample on Android
 
-This project is a starting point for a Flutter application.
+  1. Open the `unity` project and build it: Menu -> Flutter -> Export Android
+  2. Copy `android/UnityExport/libs/unity-classes.jar` to `android/unity-classes/unity-classes.jar` and overwrite the existing file. You only need to do this each time you use a different Unity version.
+  3. `flutter run`
 
-A few resources to get you started if this is your first Flutter project:
-
-- [Lab: Write your first Flutter app](https://flutter.io/docs/get-started/codelab)
-- [Cookbook: Useful Flutter samples](https://flutter.io/docs/cookbook)
-
-For help getting started with Flutter, view our 
-[online documentation](https://flutter.io/docs), which offers tutorials, 
-samples, guidance on mobile development, and a full API reference.
+## Run the sample on iOS
+  1. Open the `unity` project and build it: Menu -> Flutter -> Export iOS
+
+     Be sure you use at least Unity version 2019.3 or up.
+
+  2. open ios/Runner.xcworkspace (workspace!, not the project) in Xcode and add the exported project in the workspace root (with a right click in the Navigator, not on an item -> Add Files to "Runner" -> add the UnityExport/Unity-Iphone.xcodeproj file
+  <img src="../workspace.png" width="400" />
+
+  3. Select the Unity-iPhone/Data folder and change the Target Membership for Data folder to UnityFramework
+  <img src="../change_target_membership_data_folder.png" width="400" /> 
+
+  4. `flutter run`

example/android/app/build.gradle

@@ -25,7 +25,7 @@ apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     lintOptions {
         disable 'InvalidPackage'
@@ -34,8 +34,8 @@ android {
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "com.rexraphael.flutterunitywidgetexample"
-        minSdkVersion 16
-        targetSdkVersion 27
+        minSdkVersion 19
+        targetSdkVersion 28
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"

example/android/gradle.properties

@@ -1 +1,2 @@
 org.gradle.jvmargs=-Xmx1536M
+android.enableR8=true

example/ios/Runner.xcodeproj/project.pbxproj

@@ -8,6 +8,8 @@
 
 /* Begin PBXBuildFile section */
 		1498D2341E8E89220040F4C2 /* GeneratedPluginRegistrant.m in Sources */ = {isa = PBXBuildFile; fileRef = 1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */; };
+		3595962B23575428001EA3CF /* UnityFramework.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 3595962823575079001EA3CF /* UnityFramework.framework */; };
+		3595962C23575428001EA3CF /* UnityFramework.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 3595962823575079001EA3CF /* UnityFramework.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */ = {isa = PBXBuildFile; fileRef = 3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */; };
 		3B80C3941E831B6300D905FE /* App.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 3B80C3931E831B6300D905FE /* App.framework */; };
 		3B80C3951E831B6300D905FE /* App.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 3B80C3931E831B6300D905FE /* App.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
@@ -30,6 +32,7 @@
 			files = (
 				3B80C3951E831B6300D905FE /* App.framework in Embed Frameworks */,
 				9705A1C71CF904A300538489 /* Flutter.framework in Embed Frameworks */,
+				3595962C23575428001EA3CF /* UnityFramework.framework in Embed Frameworks */,
 			);
 			name = "Embed Frameworks";
 			runOnlyForDeploymentPostprocessing = 0;
@@ -39,6 +42,7 @@
 /* Begin PBXFileReference section */
 		1498D2321E8E86230040F4C2 /* GeneratedPluginRegistrant.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = GeneratedPluginRegistrant.h; sourceTree = "<group>"; };
 		1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = GeneratedPluginRegistrant.m; sourceTree = "<group>"; };
+		3595962823575079001EA3CF /* UnityFramework.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; path = UnityFramework.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; name = AppFrameworkInfo.plist; path = Flutter/AppFrameworkInfo.plist; sourceTree = "<group>"; };
 		3B80C3931E831B6300D905FE /* App.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = App.framework; path = Flutter/App.framework; sourceTree = "<group>"; };
 		5620DF288C51424FA6A1FF33 /* Pods_Runner.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_Runner.framework; sourceTree = BUILT_PRODUCTS_DIR; };
@@ -66,6 +70,7 @@
 				9705A1C61CF904A100538489 /* Flutter.framework in Frameworks */,
 				3B80C3941E831B6300D905FE /* App.framework in Frameworks */,
 				5F1F17FE81D542008A531ACA /* Pods_Runner.framework in Frameworks */,
+				3595962B23575428001EA3CF /* UnityFramework.framework in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -75,6 +80,7 @@
 		1944B714B8EB58E1422F85BA /* Frameworks */ = {
 			isa = PBXGroup;
 			children = (
+				3595962823575079001EA3CF /* UnityFramework.framework */,
 				5620DF288C51424FA6A1FF33 /* Pods_Runner.framework */,
 			);
 			name = Frameworks;
@@ -87,7 +93,6 @@
 				AE2B2FAD9E6F467609AF130E /* Pods-Runner.release.xcconfig */,
 				BBFDA20C1C79A585B3EBC21F /* Pods-Runner.profile.xcconfig */,
 			);
-			name = Pods;
 			path = Pods;
 			sourceTree = "<group>";
 		};
@@ -191,6 +196,7 @@
 			developmentRegion = English;
 			hasScannedForEncodings = 0;
 			knownRegions = (
+				English,
 				en,
 				Base,
 			);
@@ -239,16 +245,12 @@
 			buildActionMask = 2147483647;
 			files = (
 			);
-			inputFileListPaths = (
-			);
 			inputPaths = (
 				"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks.sh",
-				"${PODS_ROOT}/../.symlinks/flutter/ios-release/Flutter.framework",
+				"${PODS_ROOT}/../.symlinks/flutter/ios/Flutter.framework",
 				"${BUILT_PRODUCTS_DIR}/flutter_unity_widget/flutter_unity_widget.framework",
 			);
 			name = "[CP] Embed Pods Frameworks";
-			outputFileListPaths = (
-			);
 			outputPaths = (
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/Flutter.framework",
 				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/flutter_unity_widget.framework",

example/ios/Runner/AppDelegate.swift

@@ -7,6 +7,7 @@ import Flutter
     _ application: UIApplication,
     didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?
   ) -> Bool {
+    InitArgs(CommandLine.argc, CommandLine.unsafeArgv)
     GeneratedPluginRegistrant.register(with: self)
     return super.application(application, didFinishLaunchingWithOptions: launchOptions)
   }

example/ios/Runner/Info.plist

@@ -39,6 +39,8 @@
 		<string>UIInterfaceOrientationLandscapeLeft</string>
 		<string>UIInterfaceOrientationLandscapeRight</string>
 	</array>
+	<key>io.flutter.embedded_views_preview</key>
+	<true/>
 	<key>UIViewControllerBasedStatusBarAppearance</key>
 	<false/>
 </dict>

example/ios/Runner/Runner-Bridging-Header.h

@@ -1 +1,2 @@
-#import "GeneratedPluginRegistrant.h"
+#import "GeneratedPluginRegistrant.h"
+#import "UnityUtils.h"