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Merge pull request #42 from lorant-csonka-planorama/fix-example-project 

Update example unity project's Editor scripts
This commit is contained in:
Rex Raphael 2019-09-09 15:09:45 +02:00 committed by GitHub
parent 7b008c39c9 f973f620e9
commit 25bf1650e7
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 357 additions and 535 deletions
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46
example/unity/DemoApp/Assets/Editor/Build.cs
View File

@ -1,5 +1,4 @@
using System;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Text.RegularExpressions;
@ -14,17 +13,31 @@ public class Build : MonoBehaviour
static readonly string apkPath = Path.Combine(ProjectPath, "Builds/" + Application.productName + ".apk");
[MenuItem("Flutter/Export Android %&a", false, 1)]
public static void DoBuildAndroid()
{
string buildPath = Path.Combine(apkPath, Application.productName);
string exportPath = Path.GetFullPath(Path.Combine(ProjectPath, "../../android/UnityExport"));
static readonly string androidExportPath = Path.GetFullPath(Path.Combine(ProjectPath, "../../android/UnityExport"));
static readonly string iosExportPath = Path.GetFullPath(Path.Combine(ProjectPath, "../../ios/UnityExport"));
[MenuItem("Flutter/Export Android (Unity 2019.3.*) %&n", false, 1)]
public static void DoBuildAndroidLibrary()
{
DoBuildAndroid(Path.Combine(apkPath, "unityLibrary"));
// Copy over resources from the launcher module that are used by the library
Copy(Path.Combine(apkPath + "/launcher/src/main/res"), Path.Combine(androidExportPath, "src/main/res"));
}
[MenuItem("Flutter/Export Android %&a", false, 2)]
public static void DoBuildAndroidLegacy()
{
DoBuildAndroid(Path.Combine(apkPath, Application.productName));
}
public static void DoBuildAndroid(String buildPath)
{
if (Directory.Exists(apkPath))
Directory.Delete(apkPath, true);
if (Directory.Exists(exportPath))
Directory.Delete(exportPath, true);
if (Directory.Exists(androidExportPath))
Directory.Delete(androidExportPath, true);
EditorUserBuildSettings.androidBuildSystem = AndroidBuildSystem.Gradle;
@ -39,17 +52,18 @@ public class Build : MonoBehaviour
if (report.summary.result != BuildResult.Succeeded)
throw new Exception("Build failed");
Copy(buildPath, exportPath);
Copy(buildPath, androidExportPath);
// Modify build.gradle
var build_file = Path.Combine(exportPath, "build.gradle");
var build_file = Path.Combine(androidExportPath, "build.gradle");
var build_text = File.ReadAllText(build_file);
build_text = build_text.Replace("com.android.application", "com.android.library");
build_text = build_text.Replace("implementation fileTree(dir: 'libs', include: ['*.jar'])", "implementation project(':unity-classes')");
build_text = Regex.Replace(build_text, @"\n.*applicationId '.+'.*\n", "\n");
File.WriteAllText(build_file, build_text);
// Modify AndroidManifest.xml
var manifest_file = Path.Combine(exportPath, "src/main/AndroidManifest.xml");
var manifest_file = Path.Combine(androidExportPath, "src/main/AndroidManifest.xml");
var manifest_text = File.ReadAllText(manifest_file);
manifest_text = Regex.Replace(manifest_text, @"<application .*>", "<application>");
Regex regex = new Regex(@"<activity.*>(\s|\S)+?</activity>", RegexOptions.Multiline);
@ -57,20 +71,18 @@ public class Build : MonoBehaviour
File.WriteAllText(manifest_file, manifest_text);
}
[MenuItem("Flutter/Export IOS %&i", false, 2)]
[MenuItem("Flutter/Export IOS (Unity 2019.3.*) %&i", false, 3)]
public static void DoBuildIOS()
{
string exportPath = Path.GetFullPath(Path.Combine(ProjectPath, "../../ios/UnityExport"));
if (Directory.Exists(exportPath))
Directory.Delete(exportPath, true);
if (Directory.Exists(iosExportPath))
Directory.Delete(iosExportPath, true);
EditorUserBuildSettings.iOSBuildConfigType = iOSBuildType.Release;
var options = BuildOptions.AcceptExternalModificationsToPlayer;
var report = BuildPipeline.BuildPlayer(
GetEnabledScenes(),
exportPath,
iosExportPath,
BuildTarget.iOS,
options
);

498
example/unity/DemoApp/Assets/Editor/XCodePostBuild.cs
View File

@ -21,68 +21,25 @@ SOFTWARE.
#if UNITY_IOS
using System;
using System.Linq;
using System.Collections.Generic;
using System.IO;
using System.Text;
using UnityEngine;
using UnityEditor;
using UnityEditor.Callbacks;
using UnityEditor.iOS.Xcode;
using Application = UnityEngine.Application;
/// <summary>
/// Adding this post build script to Unity project enables Unity iOS build output to be embedded
/// into existing Xcode Swift project.
///
/// However, since this script touches Unity iOS build output, you will not be able to use Unity
/// iOS build directly in Xcode. As a result, it is recommended to put Unity iOS build output into
/// a temporary directory that you generally do not touch, such as '/tmp'.
///
/// In order for this to work, necessary changes to the target Xcode Swift project are needed.
/// Especially the 'AppDelegate.swift' should be modified to properly initialize Unity.
/// See https://github.com/jiulongw/swift-unity for details.
/// Adding this post build script to Unity project enables the flutter-unity-widget to access it
/// </summary>
public static class XcodePostBuild
{
/// <summary>
/// Path to the root directory of Xcode project.
/// This should point to the directory of '${XcodeProjectName}.xcodeproj'.
/// It is recommended to use relative path here.
/// Current directory is the root directory of this Unity project, i.e. the directory of 'Assets' folder.
/// Sample value: "../xcode"
/// </summary>
private const string XcodeProjectRoot = "../../ios";
/// <summary>
/// Name of the Xcode project.
/// This script looks for '${XcodeProjectName} + ".xcodeproj"' under '${XcodeProjectRoot}'.
/// Sample value: "DemoApp"
/// </summary>
private static string XcodeProjectName = Application.productName;
/// <summary>
/// Directories, relative to the root directory of the Xcode project, to put generated Unity iOS build output.
/// </summary>
private static string ClassesProjectPath = "UnityExport/Classes";
private static string LibrariesProjectPath = "UnityExport/Libraries";
private static string DataProjectPath = "UnityExport/Data";
/// <summary>
/// Path, relative to the root directory of the Xcode project, to put information about generated Unity output.
/// </summary>
private static string ExportsConfigProjectPath = "UnityExport/Exports.xcconfig";
private static string PbxFilePath = XcodeProjectName + ".xcodeproj/project.pbxproj";
private const string BackupExtension = ".bak";
/// <summary>
/// The identifier added to touched file to avoid double edits when building to existing directory without
/// replace existing content.
/// </summary>
private const string TouchedMarker = "https://github.com/jiulongw/swift-unity#v1";
private const string TouchedMarker = "https://github.com/snowballdigital/flutter-unity-view-widget";
[PostProcessBuild]
public static void OnPostBuild(BuildTarget target, string pathToBuiltProject)
@ -94,217 +51,49 @@ public static class XcodePostBuild
PatchUnityNativeCode(pathToBuiltProject);
UpdateUnityIOSExports(pathToBuiltProject);
UpdateUnityProjectFiles(pathToBuiltProject);
}
/// <summary>
/// Writes current Unity version and output path to 'Exports.xcconfig' file.
/// </summary>
private static void UpdateUnityIOSExports(string pathToBuiltProject)
{
var config = new StringBuilder();
config.AppendFormat("UNITY_RUNTIME_VERSION = {0};", Application.unityVersion);
config.AppendLine();
config.AppendFormat("UNITY_IOS_EXPORT_PATH = {0};", pathToBuiltProject);
config.AppendLine();
var configPath = Path.Combine(XcodeProjectRoot, ExportsConfigProjectPath);
var configDir = Path.GetDirectoryName(configPath);
if (!Directory.Exists(configDir))
{
Directory.CreateDirectory(configDir);
}
File.WriteAllText(configPath, config.ToString());
}
/// <summary>
/// Enumerates Unity output files and add necessary files into Xcode project file.
/// It only add a reference entry into project.pbx file, without actually copy it.
/// Xcode pre-build script will copy files into correct location.
/// We need to add the Data folder to the UnityFramework framework
/// </summary>
private static void UpdateUnityProjectFiles(string pathToBuiltProject)
{
var pbx = new PBXProject();
var pbxPath = Path.Combine(XcodeProjectRoot, PbxFilePath);
var pbxPath = Path.Combine(pathToBuiltProject, "Unity-iPhone.xcodeproj/project.pbxproj");
pbx.ReadFromFile(pbxPath);
// Add UnityExport/Classes
ProcessUnityDirectory(
pbx,
Path.Combine(pathToBuiltProject, "Classes"),
Path.Combine(XcodeProjectRoot, ClassesProjectPath),
ClassesProjectPath);
// Add UnityExport/Libraries
ProcessUnityDirectory(
pbx,
Path.Combine(pathToBuiltProject, "Libraries"),
Path.Combine(XcodeProjectRoot, LibrariesProjectPath),
LibrariesProjectPath);
// Add UnityExport/Data
var targetGuid = pbx.TargetGuidByName(XcodeProjectName);
var fileGuid = pbx.AddFolderReference(Path.Combine(pathToBuiltProject, "Data"), DataProjectPath);
var targetGuid = pbx.TargetGuidByName("UnityFramework");
var fileGuid = pbx.AddFolderReference(Path.Combine(pathToBuiltProject, "Data"), "Data");
pbx.AddFileToBuild(targetGuid, fileGuid);
pbx.WriteToFile(pbxPath);
}
/// <summary>
/// Update pbx project file by adding src files and removing extra files that
/// exists in dest but not in src any more.
///
/// This method only updates the pbx project file. It does not copy or delete
/// files in Swift Xcode project. The Swift Xcode project will do copy and delete
/// during build, and it should copy files if contents are different, regardless
/// of the file time.
/// </summary>
/// <param name="pbx">The pbx project.</param>
/// <param name="src">The directory where Unity project is built.</param>
/// <param name="dest">The directory of the Swift Xcode project where the
/// Unity project is embedded into.</param>
/// <param name="projectPathPrefix">The prefix of project path in Swift Xcode
/// project for Unity code files. E.g. "DempApp/Unity/Classes" for all files
/// under Classes folder from Unity iOS build output.</param>
private static void ProcessUnityDirectory(PBXProject pbx, string src, string dest, string projectPathPrefix)
{
var targetGuid = pbx.TargetGuidByName(XcodeProjectName);
if (string.IsNullOrEmpty(targetGuid))
{
throw new Exception(string.Format("TargetGuid could not be found for '{0}'", XcodeProjectName));
}
// newFiles: array of file names in build output that do not exist in project.pbx manifest.
// extraFiles: array of file names in project.pbx manifest that do not exist in build output.
// Build output files that already exist in project.pbx manifest will be skipped to minimize
// changes to project.pbx file.
string[] newFiles, extraFiles;
CompareDirectories(src, dest, out newFiles, out extraFiles);
foreach (var f in newFiles)
{
if (ShouldExcludeFile(f))
{
continue;
}
var projPath = Path.Combine(projectPathPrefix, f);
if (!pbx.ContainsFileByProjectPath(projPath))
{
var guid = pbx.AddFile(projPath, projPath);
pbx.AddFileToBuild(targetGuid, guid);
Debug.LogFormat("Added file to pbx: '{0}'", projPath);
}
}
foreach (var f in extraFiles)
{
var projPath = Path.Combine(projectPathPrefix, f);
if (pbx.ContainsFileByProjectPath(projPath))
{
var guid = pbx.FindFileGuidByProjectPath(projPath);
pbx.RemoveFile(guid);
Debug.LogFormat("Removed file from pbx: '{0}'", projPath);
}
}
}
/// <summary>
/// Compares the directories. Returns files that exists in src and
/// extra files that exists in dest but not in src any more.
/// </summary>
private static void CompareDirectories(string src, string dest, out string[] srcFiles, out string[] extraFiles)
{
srcFiles = GetFilesRelativePath(src);
var destFiles = GetFilesRelativePath(dest);
var extraFilesSet = new HashSet<string>(destFiles);
extraFilesSet.ExceptWith(srcFiles);
extraFiles = extraFilesSet.ToArray();
}
private static string[] GetFilesRelativePath(string directory)
{
var results = new List<string>();
if (Directory.Exists(directory))
{
foreach (var path in Directory.GetFiles(directory, "*", SearchOption.AllDirectories))
{
var relative = path.Substring(directory.Length).TrimStart('/');
results.Add(relative);
}
}
return results.ToArray();
}
private static bool ShouldExcludeFile(string fileName)
{
if (fileName.EndsWith(".bak", StringComparison.OrdinalIgnoreCase))
{
return true;
}
return false;
}
/// <summary>
/// Make necessary changes to Unity build output that enables it to be embedded into existing Xcode project.
/// </summary>
private static void PatchUnityNativeCode(string pathToBuiltProject)
{
EditMainMM(Path.Combine(pathToBuiltProject, "Classes/main.mm"));
EditUnityFrameworkH(Path.Combine(pathToBuiltProject, "UnityFramework/UnityFramework.h"));
EditUnityAppControllerH(Path.Combine(pathToBuiltProject, "Classes/UnityAppController.h"));
EditUnityAppControllerMM(Path.Combine(pathToBuiltProject, "Classes/UnityAppController.mm"));
if (Application.unityVersion == "2017.1.1f1")
{
EditMetalHelperMM(Path.Combine(pathToBuiltProject, "Classes/Unity/MetalHelper.mm"));
}
// TODO: Parse unity version number and do range comparison.
if (Application.unityVersion.StartsWith("2017.3.0f") || Application.unityVersion.StartsWith("2017.3.1f"))
{
EditSplashScreenMM(Path.Combine(pathToBuiltProject, "Classes/UI/SplashScreen.mm"));
}
EditUnityViewMM(Path.Combine(pathToBuiltProject, "Classes/UI/UnityView.mm"));
}
/// <summary>
/// Edit 'main.mm': removes 'main' entry that would conflict with the Xcode project it embeds into.
/// </summary>
private static void EditMainMM(string path)
{
EditCodeFile(path, line =>
{
if (line.TrimStart().StartsWith("int main", StringComparison.Ordinal))
{
return line.Replace("int main", "int old_main");
}
return line;
});
}
/// <summary>
/// Edit 'UnityAppController.h': returns 'UnityAppController' from 'AppDelegate' class.
/// Edit 'UnityFramework.h': add 'frameworkWarmup'
/// </summary>
private static void EditUnityAppControllerH(string path)
private static void EditUnityFrameworkH(string path)
{
var inScope = false;
var markerDetected = false;
var markerAdded = false;
// Add static GetAppController
// Add frameworkWarmup method
EditCodeFile(path, line =>
{
inScope |= line.Contains("- (void)startUnity:");
inScope |= line.Contains("- (void)runUIApplicationMainWithArgc:");
if (inScope)
{
@ -316,7 +105,7 @@ public static class XcodePostBuild
{
"",
"// Added by " + TouchedMarker,
"+ (UnityAppController*)GetAppController;",
"- (void)frameworkWarmup:(int)argc argv:(char*[])argv;",
""
};
}
@ -324,6 +113,130 @@ public static class XcodePostBuild
return new string[] { line };
});
}
/// <summary>
/// Edit 'UnityAppController.h': returns 'UnityAppController' from 'AppDelegate' class.
/// </summary>
private static void EditUnityAppControllerH(string path)
{
var inScope = false;
var markerDetected = false;
// Add static GetAppController
EditCodeFile(path, line =>
{
inScope |= line.Contains("- (void)startUnity:");
if (inScope)
{
if (line.Trim() == "")
{
inScope = false;
return new string[]
{
"",
"// Added by " + TouchedMarker,
"+ (UnityAppController*)GetAppController;",
""
};
}
}
return new string[] { line };
});
inScope = false;
markerDetected = false;
// Modify inline GetAppController
EditCodeFile(path, line =>
{
inScope |= line.Contains("extern UnityAppController* GetAppController");
if (inScope && !markerDetected)
{
if (line.Trim() == "")
{
inScope = false;
markerDetected = true;
return new string[]
{
"// }",
"",
"static inline UnityAppController* GetAppController()",
"{",
" return [UnityAppController GetAppController];",
"}",
};
}
return new string[] { "// " + line };
}
return new string[] { line };
});
}
/// <summary>
/// Edit 'UnityAppController.mm': triggers 'UnityReady' notification after Unity is actually started.
/// </summary>
private static void EditUnityAppControllerMM(string path)
{
var inScope = false;
var markerDetected = false;
EditCodeFile(path, line =>
{
if (line.Trim() == "@end")
{
return new string[]
{
"",
"// Added by " + TouchedMarker,
"static UnityAppController *unityAppController = nil;",
"",
@"+ (UnityAppController*)GetAppController",
"{",
" static dispatch_once_t onceToken;",
" dispatch_once(&onceToken, ^{",
" unityAppController = [[self alloc] init];",
" });",
" return unityAppController;",
"}",
"",
line,
};
}
inScope |= line.Contains("- (void)startUnity:");
markerDetected |= inScope && line.Contains(TouchedMarker);
if (inScope && line.Trim() == "}")
{
inScope = false;
if (markerDetected)
{
return new string[] { line };
}
else
{
return new string[]
{
" // Modified by " + TouchedMarker,
@" [[NSNotificationCenter defaultCenter] postNotificationName: @""UnityReady"" object:self];",
"}",
};
}
}
return new string[] { line };
});
inScope = false;
markerDetected = false;
@ -331,7 +244,7 @@ public static class XcodePostBuild
// Modify inline GetAppController
EditCodeFile(path, line =>
{
inScope |= line.Contains("inline UnityAppController");
inScope |= line.Contains("UnityAppController* GetAppController()");
if (inScope && !markerDetected)
{
@ -342,22 +255,7 @@ public static class XcodePostBuild
return new string[]
{
"// }",
"",
"static inline UnityAppController* GetAppController()",
"{",
" return [UnityAppController GetAppController];",
"}",
};
}
if (!markerAdded)
{
markerAdded = true;
return new string[]
{
"// Modified by " + TouchedMarker,
"// " + line,
};
}
@ -369,114 +267,34 @@ public static class XcodePostBuild
}
/// <summary>
/// Edit 'UnityAppController.mm': triggers 'UnityReady' notification after Unity is actually started.
/// Edit 'UnityView.mm': fix the width and height needed for the Metal renderer
/// </summary>
private static void EditUnityAppControllerMM(string path)
private static void EditUnityViewMM(string path)
{
EditCodeFile(path, line =>
{
if (line.Trim() == "@end")
{
return new string[]
{
"",
"// Added by " + TouchedMarker,
"static UnityAppController *unityAppController = nil;",
"",
@"+ (UnityAppController*)GetAppController",
"{",
" static dispatch_once_t onceToken;",
" dispatch_once(&onceToken, ^{",
" unityAppController = [[self alloc] init];",
" });",
" return unityAppController;",
"}",
"",
line,
};
}
return new string[] { line };
});
}
/// <summary>
/// Edit 'MetalHelper.mm': fixes a bug (only in 2017.1.1f1) that causes crash.
/// </summary>
private static void EditMetalHelperMM(string path)
{
var markerDetected = false;
EditCodeFile(path, line =>
{
markerDetected |= line.Contains(TouchedMarker);
if (!markerDetected && line.Trim() == "surface->stencilRB = [surface->device newTextureWithDescriptor: stencilTexDesc];")
{
return new string[]
{
"",
" // Modified by " + TouchedMarker,
" // Default stencilTexDesc.usage has flag 1. In runtime it will cause assertion failure:",
" // validateRenderPassDescriptor:589: failed assertion `Texture at stencilAttachment has usage (0x01) which doesn't specify MTLTextureUsageRenderTarget (0x04)'",
" // Adding MTLTextureUsageRenderTarget seems to fix this issue.",
" stencilTexDesc.usage |= MTLTextureUsageRenderTarget;",
line,
};
}
return new string[] { line };
});
}
/// <summary>
/// Edit 'SplashScreen.mm': Unity introduces its own 'LaunchScreen.storyboard' since 2017.3.0f3.
/// Disable it here and use Swift project's launch screen instead.
/// </summary>
private static void EditSplashScreenMM(string path)
{
var markerDetected = false;
var markerAdded = false;
var inScope = false;
var level = 0;
// Add frameworkWarmup method
EditCodeFile(path, line =>
{
inScope |= line.Trim() == "void ShowSplashScreen(UIWindow* window)";
markerDetected |= line.Contains(TouchedMarker);
inScope |= line.Contains("UnityGetRenderingResolution(&requestedW, &requestedH)");
if (inScope && !markerDetected)
if (inScope)
{
if (line.Trim() == "{")
{
level++;
}
else if (line.Trim() == "}")
{
level--;
}
if (line.Trim() == "}" && level == 0)
if (line.Trim() == "")
{
inScope = false;
}
if (level > 0 && line.Trim().StartsWith("bool hasStoryboard"))
{
return new string[]
{
" // " + line,
" bool hasStoryboard = false;",
};
}
if (!markerAdded)
{
markerAdded = true;
return new string[]
{
"// Modified by " + TouchedMarker,
line,
"",
"// Added by " + TouchedMarker,
" if (requestedW == 0) {",
" requestedW = _surfaceSize.width;",
" }",
" if (requestedH == 0) {",
" requestedH = _surfaceSize.height;",
" }",
""
};
}
}
@ -485,14 +303,6 @@ public static class XcodePostBuild
});
}
private static void EditCodeFile(string path, Func<string, string> lineHandler)
{
EditCodeFile(path, line =>
{
return new string[] { lineHandler(line) };
});
}
private static void EditCodeFile(string path, Func<string, IEnumerable<string>> lineHandler)
{
var bakPath = path + ".bak";

348
example/unity/DemoApp/Assets/UnityMessageManager.cs
View File

@ -1,175 +1,175 @@
using System;
using System.Collections;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using UnityEngine;
public class MessageHandler
{
public int id;
public string seq;
public String name;
private JToken data;
public static MessageHandler Deserialize(string message)
{
JObject m = JObject.Parse(message);
MessageHandler handler = new MessageHandler(
m.GetValue("id").Value<int>(),
m.GetValue("seq").Value<string>(),
m.GetValue("name").Value<string>(),
m.GetValue("data")
);
return handler;
}
public T getData<T>()
{
return data.Value<T>();
}
public MessageHandler(int id, string seq, string name, JToken data)
{
this.id = id;
this.seq = seq;
this.name = name;
this.data = data;
}
public void send(object data)
{
JObject o = JObject.FromObject(new
{
id = id,
seq = "end",
name = name,
data = data
});
UnityMessageManager.Instance.SendMessageToFlutter(UnityMessageManager.MessagePrefix + o.ToString());
}
}
public class UnityMessage
{
public String name;
public JObject data;
public Action<object> callBack;
}
public class UnityMessageManager : MonoBehaviour
{
#if UNITY_IOS && !UNITY_EDITOR
[DllImport("__Internal")]
private static extern void onUnityMessage(string message);
#endif
public const string MessagePrefix = "@UnityMessage@";
private static int ID = 0;
private static int generateId()
{
ID = ID + 1;
return ID;
}
public static UnityMessageManager Instance { get; private set; }
public delegate void MessageDelegate(string message);
public event MessageDelegate OnMessage;
public delegate void MessageHandlerDelegate(MessageHandler handler);
public event MessageHandlerDelegate OnFlutterMessage;
private Dictionary<int, UnityMessage> waitCallbackMessageMap = new Dictionary<int, UnityMessage>();
static UnityMessageManager()
{
GameObject go = new GameObject("UnityMessageManager");
DontDestroyOnLoad(go);
Instance = go.AddComponent<UnityMessageManager>();
}
void Awake()
{
}
public void SendMessageToFlutter(string message)
{
if (Application.platform == RuntimePlatform.Android)
{
using (AndroidJavaClass jc = new AndroidJavaClass("com.reactnative.unity.view.UnityUtils"))
{
jc.CallStatic("onUnityMessage", message);
}
}
else if (Application.platform == RuntimePlatform.IPhonePlayer)
{
#if UNITY_IOS && !UNITY_EDITOR
onUnityMessage(message);
#endif
}
}
public void SendMessageToFlutter(UnityMessage message)
{
int id = generateId();
if (message.callBack != null)
{
waitCallbackMessageMap.Add(id, message);
}
JObject o = JObject.FromObject(new
{
id = id,
seq = message.callBack != null ? "start" : "",
name = message.name,
data = message.data
});
UnityMessageManager.Instance.SendMessageToFlutter(MessagePrefix + o.ToString());
}
void onMessage(string message)
{
if (OnMessage != null)
{
OnMessage(message);
}
}
void onFlutterMessage(string message)
{
if (message.StartsWith(MessagePrefix))
{
message = message.Replace(MessagePrefix, "");
}
else
{
return;
}
MessageHandler handler = MessageHandler.Deserialize(message);
if ("end".Equals(handler.seq))
{
// handle callback message
UnityMessage m;
if (waitCallbackMessageMap.TryGetValue(handler.id, out m))
{
waitCallbackMessageMap.Remove(handler.id);
if (m.callBack != null)
{
m.callBack(handler.getData<object>()); // todo
}
}
return;
}
if (OnFlutterMessage != null)
{
OnFlutterMessage(handler);
}
}
using System;
using System.Collections;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using UnityEngine;
public class MessageHandler
{
public int id;
public string seq;
public String name;
private JToken data;
public static MessageHandler Deserialize(string message)
{
JObject m = JObject.Parse(message);
MessageHandler handler = new MessageHandler(
m.GetValue("id").Value<int>(),
m.GetValue("seq").Value<string>(),
m.GetValue("name").Value<string>(),
m.GetValue("data")
);
return handler;
}
public T getData<T>()
{
return data.Value<T>();
}
public MessageHandler(int id, string seq, string name, JToken data)
{
this.id = id;
this.seq = seq;
this.name = name;
this.data = data;
}
public void send(object data)
{
JObject o = JObject.FromObject(new
{
id = id,
seq = "end",
name = name,
data = data
});
UnityMessageManager.Instance.SendMessageToFlutter(UnityMessageManager.MessagePrefix + o.ToString());
}
}
public class UnityMessage
{
public String name;
public JObject data;
public Action<object> callBack;
}
public class UnityMessageManager : MonoBehaviour
{
#if UNITY_IOS && !UNITY_EDITOR
[DllImport("__Internal")]
private static extern void onUnityMessage(string message);
#endif
public const string MessagePrefix = "@UnityMessage@";
private static int ID = 0;
private static int generateId()
{
ID = ID + 1;
return ID;
}
public static UnityMessageManager Instance { get; private set; }
public delegate void MessageDelegate(string message);
public event MessageDelegate OnMessage;
public delegate void MessageHandlerDelegate(MessageHandler handler);
public event MessageHandlerDelegate OnFlutterMessage;
private Dictionary<int, UnityMessage> waitCallbackMessageMap = new Dictionary<int, UnityMessage>();
static UnityMessageManager()
{
GameObject go = new GameObject("UnityMessageManager");
DontDestroyOnLoad(go);
Instance = go.AddComponent<UnityMessageManager>();
}
void Awake()
{
}
public void SendMessageToFlutter(string message)
{
if (Application.platform == RuntimePlatform.Android)
{
using (AndroidJavaClass jc = new AndroidJavaClass("com.rexraphael.flutterunitywidget.UnityUtils"))
{
jc.CallStatic("onUnityMessage", message);
}
}
else if (Application.platform == RuntimePlatform.IPhonePlayer)
{
#if UNITY_IOS && !UNITY_EDITOR
onUnityMessage(message);
#endif
}
}
public void SendMessageToFlutter(UnityMessage message)
{
int id = generateId();
if (message.callBack != null)
{
waitCallbackMessageMap.Add(id, message);
}
JObject o = JObject.FromObject(new
{
id = id,
seq = message.callBack != null ? "start" : "",
name = message.name,
data = message.data
});
UnityMessageManager.Instance.SendMessageToFlutter(MessagePrefix + o.ToString());
}
void onMessage(string message)
{
if (OnMessage != null)
{
OnMessage(message);
}
}
void onFlutterMessage(string message)
{
if (message.StartsWith(MessagePrefix))
{
message = message.Replace(MessagePrefix, "");
}
else
{
return;
}
MessageHandler handler = MessageHandler.Deserialize(message);
if ("end".Equals(handler.seq))
{
// handle callback message
UnityMessage m;
if (waitCallbackMessageMap.TryGetValue(handler.id, out m))
{
waitCallbackMessageMap.Remove(handler.id);
if (m.callBack != null)
{
m.callBack(handler.getData<object>()); // todo
}
}
return;
}
if (OnFlutterMessage != null)
{
OnFlutterMessage(handler);
}
}
}