iOS support

.config/dotnet-tools.json

@@ -0,0 +1,18 @@
+{
+  "version": 1,
+  "isRoot": true,
+  "tools": {
+    "cake.tool": {
+      "version": "0.35.0",
+      "commands": [
+        "dotnet-cake"
+      ]
+    },
+    "dotnet-format": {
+      "version": "3.1.37601",
+      "commands": [
+        "dotnet-format"
+      ]
+    }
+  }
+}

Directory.Build.props

@@ -19,9 +19,9 @@
     </None>
   </ItemGroup>
   <ItemGroup Label="Code Analysis">
-    <PackageReference Include="Microsoft.CodeAnalysis.BannedApiAnalyzers" Version="2.9.8" PrivateAssets="All" />
+    <PackageReference Include="Microsoft.CodeAnalysis.BannedApiAnalyzers" Version="3.0.0" PrivateAssets="All" />
     <AdditionalFiles Include="$(MSBuildThisFileDirectory)CodeAnalysis\BannedSymbols.txt" />
-    <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.9.8" PrivateAssets="All" />
+    <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="3.0.0" PrivateAssets="All" />
   </ItemGroup>
   <PropertyGroup Label="Code Analysis">
     <CodeAnalysisRuleSet>$(MSBuildThisFileDirectory)CodeAnalysis\osu-framework-microphone.ruleset</CodeAnalysisRuleSet>

global.json

@@ -0,0 +1,11 @@
+{
+  "sdk": {
+    "allowPrerelease": false,
+    "rollForward": "minor",
+    "version": "3.1.100"
+  },
+  "msbuild-sdks": {
+    "MSBuild.Sdk.Extras": "2.0.54",
+    "Microsoft.Build.Traversal": "2.0.52"
+  }
+}

osu-framework-microphone.sln

@@ -23,6 +23,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "osu.Framework.Microphone.Te
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "osu.Framework.Microphone.Tests.Android", "osu.Framework.Microphone.Tests.Android\osu.Framework.Microphone.Tests.Android.csproj", "{320089C6-A141-4D3E-BD5F-C4A6CE9E567B}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "osu.Framework.Microphone.iOS", "osu.Framework.Microphone.iOS\osu.Framework.Microphone.iOS.csproj", "{431614F4-D662-4CBD-B6C2-3E0D79CA968B}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -85,6 +87,18 @@ Global
 		{320089C6-A141-4D3E-BD5F-C4A6CE9E567B}.Release|iPhoneSimulator.ActiveCfg = Release|Any CPU
 		{320089C6-A141-4D3E-BD5F-C4A6CE9E567B}.Release|iPhoneSimulator.Build.0 = Release|Any CPU
 		{320089C6-A141-4D3E-BD5F-C4A6CE9E567B}.Release|iPhoneSimulator.Deploy.0 = Release|Any CPU
+		{431614F4-D662-4CBD-B6C2-3E0D79CA968B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{431614F4-D662-4CBD-B6C2-3E0D79CA968B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{431614F4-D662-4CBD-B6C2-3E0D79CA968B}.Debug|iPhone.ActiveCfg = Debug|Any CPU
+		{431614F4-D662-4CBD-B6C2-3E0D79CA968B}.Debug|iPhone.Build.0 = Debug|Any CPU
+		{431614F4-D662-4CBD-B6C2-3E0D79CA968B}.Debug|iPhoneSimulator.ActiveCfg = Debug|Any CPU
+		{431614F4-D662-4CBD-B6C2-3E0D79CA968B}.Debug|iPhoneSimulator.Build.0 = Debug|Any CPU
+		{431614F4-D662-4CBD-B6C2-3E0D79CA968B}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{431614F4-D662-4CBD-B6C2-3E0D79CA968B}.Release|Any CPU.Build.0 = Release|Any CPU
+		{431614F4-D662-4CBD-B6C2-3E0D79CA968B}.Release|iPhone.ActiveCfg = Release|Any CPU
+		{431614F4-D662-4CBD-B6C2-3E0D79CA968B}.Release|iPhone.Build.0 = Release|Any CPU
+		{431614F4-D662-4CBD-B6C2-3E0D79CA968B}.Release|iPhoneSimulator.ActiveCfg = Release|Any CPU
+		{431614F4-D662-4CBD-B6C2-3E0D79CA968B}.Release|iPhoneSimulator.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

osu.Framework.Microphone.Tests.iOS/AppDelegate.cs

@@ -2,13 +2,26 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using Foundation;
+using osu.Framework.Input.Handlers.Microphone;
 using osu.Framework.iOS;
+using osu.Framework.iOS.Input;
 
 namespace osu.Framework.Tests
 {
     [Register("AppDelegate")]
     public class AppDelegate : GameAppDelegate
     {
-        protected override Game CreateGame() => new VisualTestGame();
+        protected override Game CreateGame() => new TestingVisualTestGame();
+
+        internal class TestingVisualTestGame : VisualTestGame
+        {
+            protected override void LoadComplete()
+            {
+                base.LoadComplete();
+
+                // Need to cache IOSMicrophoneHandler in here to let MicrophoneInputManager knows.
+                Host.Dependencies.CacheAs(typeof(OsuTKMicrophoneHandler), new IOSMicrophoneHandler());
+            }
+        }
     }
 }

osu.Framework.Microphone.Tests.iOS/Info.plist

@@ -2,10 +2,10 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
+	<key>CFBundleIdentifier</key>
+	<string>ppy.osu-Framework-Microphone-Tests-iOS</string>
 	<key>CFBundleName</key>
 	<string>osu.Framework.Tests.iOS</string>
-	<key>CFBundleIdentifier</key>
-	<string>ppy.osu-Framework-Tests-iOS</string>
 	<key>CFBundleShortVersionString</key>
 	<string>1.0</string>
 	<key>CFBundleVersion</key>
@@ -14,6 +14,10 @@
 	<true/>
 	<key>MinimumOSVersion</key>
 	<string>11.0</string>
+	<key>NSMicrophoneUsageDescription</key>
+	<string>Ask for microphone permission</string>
+	<key>UIApplicationSupportsIndirectInputEvents</key>
+	<true/>
 	<key>UIDeviceFamily</key>
 	<array>
 		<integer>1</integer>
@@ -25,6 +29,10 @@
 	<array>
 		<string>armv7</string>
 	</array>
+	<key>UIRequiresFullScreen</key>
+	<true/>
+	<key>UIStatusBarHidden</key>
+	<true/>
 	<key>UISupportedInterfaceOrientations</key>
 	<array>
 		<string>UIInterfaceOrientationPortrait</string>
@@ -34,11 +42,5 @@
 	</array>
 	<key>XSAppIconAssets</key>
 	<string>Assets.xcassets/AppIcon.appiconset</string>
-	<key>UIStatusBarHidden</key>
-	<true/>
-	<key>UIRequiresFullScreen</key>
-	<true/>
-	<key>UIApplicationSupportsIndirectInputEvents</key>
-	<true/>
 </dict>
 </plist>

osu.Framework.Microphone.Tests.iOS/Linker.xml

@@ -6,6 +6,12 @@
     <assembly fullname="osu.Framework.iOS">
         <type fullname="*" />
     </assembly>
+    <assembly fullname="osu.Framework.Microphone">
+        <type fullname="*" />
+    </assembly>
+    <assembly fullname="osu.Framework.Microphone.iOS">
+        <type fullname="*" />
+    </assembly>
     <assembly fullname="osu.Framework.Microphone.Tests">
         <type fullname="*" />
     </assembly>

osu.Framework.Microphone.Tests.iOS/osu.Framework.Microphone.Tests.iOS.csproj

@@ -40,6 +40,10 @@
     </EmbeddedResource>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\osu.Framework.Microphone.iOS\osu.Framework.Microphone.iOS.csproj">
+      <Project>{431614f4-d662-4cbd-b6c2-3e0d79ca968b}</Project>
+      <Name>osu.Framework.Microphone.iOS</Name>
+    </ProjectReference>
     <ProjectReference Include="..\osu.Framework.Microphone\osu.Framework.Microphone.csproj">
       <Project>{D0F85C61-800A-4645-8633-AC59208FA732}</Project>
       <Name>osu.Framework.Microphone</Name>

osu.Framework.Microphone.iOS/Input/IOSMicrophoneHandler.cs

@@ -0,0 +1,59 @@
+using AVFoundation;
+using Foundation;
+using osu.Framework.Input.Handlers.Microphone;
+using osu.Framework.Logging;
+using osu.Framework.Platform;
+
+namespace osu.Framework.iOS.Input
+{
+    public class IOSMicrophoneHandler : OsuTKMicrophoneHandler
+    {
+        public override bool IsActive => throw new System.NotImplementedException();
+
+        public IOSMicrophoneHandler() : base(-1)
+        {
+        }
+
+        public override bool Initialize(GameHost host)
+        {
+            var session = AVAudioSession.SharedInstance();
+            var success = false;
+
+            Logger.Log("Begin Recording", LoggingTarget.Information, LogLevel.Verbose);
+
+            session.RequestRecordPermission((granted) =>
+            {
+                Logger.Log($"Audio Permission: {granted}", LoggingTarget.Information);
+
+                if (granted)
+                {
+                    session.SetCategory(AVAudioSession.CategoryRecord, out NSError error);
+                    if (error == null)
+                    {
+                        session.SetActive(true, out error);
+                        if (error != null)
+                        {
+                            Logger.Log(error.LocalizedDescription, LoggingTarget.Information, LogLevel.Error);
+                        }
+                        else
+                        {
+                            success = base.Initialize(host);
+                            Logger.Log($"Microphone get permission status : {success}", LoggingTarget.Information);
+                        }
+                    }
+                    else
+                    {
+                        Logger.Log(error.LocalizedDescription, LoggingTarget.Information, LogLevel.Error);
+                    }
+                }
+                else
+                {
+                    Logger.Log("YOU MUST ENABLE MICROPHONE PERMISSION", LoggingTarget.Information, LogLevel.Error);
+                }
+            });
+
+            Logger.Log($"Checking : {success}", LoggingTarget.Information, LogLevel.Error);
+            return success;
+        }
+    }
+}

osu.Framework.Microphone.iOS/osu.Framework.Microphone.iOS.csproj

@@ -0,0 +1,46 @@
+<Project Sdk="MSBuild.Sdk.Extras">
+  <PropertyGroup Label="Project">
+    <TargetFramework>xamarinios10</TargetFramework>
+    <OutputType>Library</OutputType>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <AssemblyName>osu.Framework.Microphone.iOS</AssemblyName>
+    <RootNamespace>osu.Framework.iOS</RootNamespace>
+    <IPhoneResourcePrefix>Resources</IPhoneResourcePrefix>
+    <Description>Unofficial osu!framework extension for using microphon as input device.</Description>
+  </PropertyGroup>
+  <PropertyGroup Label="Nuget">
+    <GenerateProgramFile>false</GenerateProgramFile>
+    <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
+    <IsPackable>true</IsPackable>
+    <PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>
+    <Version>1.0.10</Version>
+    <RepositoryType>Git</RepositoryType>
+    <PackageTags>osu-framework microphone andy840119</PackageTags>
+    <Authors>andy840119</Authors>
+    <Company>osu!Karaoke</Company>
+    <Product>osu!Karaoke</Product>
+    <PackageReleaseNotes>喵</PackageReleaseNotes>
+    <PackageId>osu.Framework.Microphone.iOS</PackageId>
+    <NeutralLanguage>en</NeutralLanguage>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Xml" />
+    <Reference Include="System.Core" />
+    <Reference Include="Xamarin.iOS" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\osu.Framework.Microphone\osu.Framework.Microphone.csproj" />
+  </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="ppy.osu.Framework.iOS" Version="2020.722.0" />
+  </ItemGroup>
+  <ItemGroup>
+    <NativeLibs Include="$(MSBuildThisFileDirectory)\*.a" />
+    <None Include="@(NativeLibs)">
+      <Pack>true</Pack>
+      <PackageCopyToOutput>true</PackageCopyToOutput>
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+</Project>

osu.Framework.Microphone/Input/MicrophoneInputManager.cs

@@ -5,18 +5,30 @@
 using osu.Framework.Input.Handlers.Microphone;
 using osu.Framework.Input.StateChanges.Events;
 using osu.Framework.Input.States;
+using System;
 
 namespace osu.Framework.Input
 {
     public class MicrophoneInputManager : CustomInputManager
     {
-        private readonly OsuTKMicrophoneHandler handler;
-
         protected override InputState CreateInitialState() => new MicrophoneInputState(new MicrophoneState());
 
+        private readonly int deviceId;
+
         public MicrophoneInputManager(int device = -1)
         {
-            AddHandler(handler = new OsuTKMicrophoneHandler(device));
+            deviceId = device;
+        }
+
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
+            // Use handler like iOS microphone handler if there's exist handler in dependencies.
+            if (Host.Dependencies.Get(typeof(OsuTKMicrophoneHandler)) is OsuTKMicrophoneHandler handler)
+                AddHandler(Activator.CreateInstance(handler.GetType()) as OsuTKMicrophoneHandler);
+            else
+                AddHandler(new OsuTKMicrophoneHandler(deviceId));
         }
 
         public override void HandleInputStateChange(InputStateChangeEvent inputStateChange)