diff --git a/apple/mapr/mapr.xcodeproj/project.pbxproj b/apple/mapr/mapr.xcodeproj/project.pbxproj
index 0fedda3d..8585c5f2 100644
--- a/apple/mapr/mapr.xcodeproj/project.pbxproj
+++ b/apple/mapr/mapr.xcodeproj/project.pbxproj
@@ -146,6 +146,7 @@
 			isa = PBXNativeTarget;
 			buildConfigurationList = 0BC888552770FD64004AAD56 /* Build configuration list for PBXNativeTarget "mapr (iOS)" */;
 			buildPhases = (
+				0BC888A4277103A3004AAD56 /* Cargo Build */,
 				0BC888282770FD64004AAD56 /* Sources */,
 				0BC888292770FD64004AAD56 /* Frameworks */,
 				0BC8882A2770FD64004AAD56 /* Resources */,
@@ -163,6 +164,7 @@
 			isa = PBXNativeTarget;
 			buildConfigurationList = 0BC888582770FD64004AAD56 /* Build configuration list for PBXNativeTarget "mapr (macOS)" */;
 			buildPhases = (
+				0BC888A52771056B004AAD56 /* Cargo Build */,
 				0BC8882E2770FD64004AAD56 /* Sources */,
 				0BC8882F2770FD64004AAD56 /* Frameworks */,
 				0BC888302770FD64004AAD56 /* Resources */,
@@ -292,6 +294,45 @@
 		};
 /* End PBXResourcesBuildPhase section */
 
+/* Begin PBXShellScriptBuildPhase section */
+		0BC888A4277103A3004AAD56 /* Cargo Build */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputFileListPaths = (
+			);
+			inputPaths = (
+			);
+			name = "Cargo Build";
+			outputFileListPaths = (
+			);
+			outputPaths = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/bash;
+			shellScript = ". \"$HOME/.cargo/env\"\n\nif [[ $SDK_NAME == *\"simulator\"* ]]\nthen\necho \"Building for Simulator\"\ncargo build --target aarch64-apple-ios-sim --lib\nelse\necho \"Building for Device\"\ncargo build --target aarch64-apple-ios --lib\nfi\n";
+		};
+		0BC888A52771056B004AAD56 /* Cargo Build */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputFileListPaths = (
+			);
+			inputPaths = (
+			);
+			name = "Cargo Build";
+			outputFileListPaths = (
+			);
+			outputPaths = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/bash;
+			shellScript = ". \"$HOME/.cargo/env\"\n\necho \"Building for Darwin\"\ncargo build --target aarch64-apple-darwin --lib\n\n";
+		};
+/* End PBXShellScriptBuildPhase section */
+
 /* Begin PBXSourcesBuildPhase section */
 		0BC888282770FD64004AAD56 /* Sources */ = {
 			isa = PBXSourcesBuildPhase;
@@ -468,7 +509,7 @@
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
-				DEVELOPMENT_TEAM = KM8X78T35K;
+				DEVELOPMENT_TEAM = "";
 				ENABLE_PREVIEWS = YES;
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;
@@ -497,7 +538,7 @@
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
-				DEVELOPMENT_TEAM = KM8X78T35K;
+				DEVELOPMENT_TEAM = "";
 				ENABLE_PREVIEWS = YES;
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;
@@ -526,11 +567,11 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
 				CODE_SIGN_ENTITLEMENTS = macOS/macOS.entitlements;
-				CODE_SIGN_IDENTITY = "Apple Development";
+				CODE_SIGN_IDENTITY = "-";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
 				CURRENT_PROJECT_VERSION = 1;
-				DEVELOPMENT_TEAM = KM8X78T35K;
+				DEVELOPMENT_TEAM = "";
 				ENABLE_HARDENED_RUNTIME = YES;
 				ENABLE_PREVIEWS = YES;
 				GENERATE_INFOPLIST_FILE = YES;
@@ -555,11 +596,11 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
 				CODE_SIGN_ENTITLEMENTS = macOS/macOS.entitlements;
-				CODE_SIGN_IDENTITY = "Apple Development";
+				CODE_SIGN_IDENTITY = "-";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
 				CURRENT_PROJECT_VERSION = 1;
-				DEVELOPMENT_TEAM = KM8X78T35K;
+				DEVELOPMENT_TEAM = "";
 				ENABLE_HARDENED_RUNTIME = YES;
 				ENABLE_PREVIEWS = YES;
 				GENERATE_INFOPLIST_FILE = YES;
diff --git a/apple/mapr/mapr.xcodeproj/project.xcworkspace/xcuserdata/ehrenamtskarte.xcuserdatad/UserInterfaceState.xcuserstate b/apple/mapr/mapr.xcodeproj/project.xcworkspace/xcuserdata/ehrenamtskarte.xcuserdatad/UserInterfaceState.xcuserstate
index 131c4b6f..2d266c1d 100644
Binary files a/apple/mapr/mapr.xcodeproj/project.xcworkspace/xcuserdata/ehrenamtskarte.xcuserdatad/UserInterfaceState.xcuserstate and b/apple/mapr/mapr.xcodeproj/project.xcworkspace/xcuserdata/ehrenamtskarte.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/apple/mapr/mapr.xcodeproj/xcshareddata/xcschemes/mapr (iOS).xcscheme b/apple/mapr/mapr.xcodeproj/xcshareddata/xcschemes/mapr (iOS).xcscheme
new file mode 100644
index 00000000..79934e7e
--- /dev/null
+++ b/apple/mapr/mapr.xcodeproj/xcshareddata/xcschemes/mapr (iOS).xcscheme	
@@ -0,0 +1,88 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1300"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "0BC8882B2770FD64004AAD56"
+               BuildableName = "mapr.app"
+               BlueprintName = "mapr (iOS)"
+               ReferencedContainer = "container:mapr.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <Testables>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "0BC888382770FD64004AAD56"
+               BuildableName = "Tests iOS.xctest"
+               BlueprintName = "Tests iOS"
+               ReferencedContainer = "container:mapr.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "0BC8882B2770FD64004AAD56"
+            BuildableName = "mapr.app"
+            BlueprintName = "mapr (iOS)"
+            ReferencedContainer = "container:mapr.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "0BC8882B2770FD64004AAD56"
+            BuildableName = "mapr.app"
+            BlueprintName = "mapr (iOS)"
+            ReferencedContainer = "container:mapr.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>
diff --git a/apple/mapr/mapr.xcodeproj/xcuserdata/ehrenamtskarte.xcuserdatad/xcschemes/xcschememanagement.plist b/apple/mapr/mapr.xcodeproj/xcuserdata/ehrenamtskarte.xcuserdatad/xcschemes/xcschememanagement.plist
index 854a0805..26a0449f 100644
--- a/apple/mapr/mapr.xcodeproj/xcuserdata/ehrenamtskarte.xcuserdatad/xcschemes/xcschememanagement.plist
+++ b/apple/mapr/mapr.xcodeproj/xcuserdata/ehrenamtskarte.xcuserdatad/xcschemes/xcschememanagement.plist
@@ -15,5 +15,18 @@
 			<integer>0</integer>
 		</dict>
 	</dict>
+	<key>SuppressBuildableAutocreation</key>
+	<dict>
+		<key>0BC8882B2770FD64004AAD56</key>
+		<dict>
+			<key>primary</key>
+			<true/>
+		</dict>
+		<key>0BC888382770FD64004AAD56</key>
+		<dict>
+			<key>primary</key>
+			<true/>
+		</dict>
+	</dict>
 </dict>
 </plist>