diff --git a/.metadata b/.metadata
index 083a42e..e94891d 100644
--- a/.metadata
+++ b/.metadata
@@ -4,7 +4,7 @@
 # This file should be version controlled.
 
 version:
-  revision: b06b8b2710955028a6b562f5aa6fe62941d6febf
+  revision: 84a1e904f44f9b0e9c4510138010edcc653163f8
   channel: stable
 
 project_type: app
@@ -13,26 +13,26 @@ project_type: app
 migration:
   platforms:
     - platform: root
-      create_revision: b06b8b2710955028a6b562f5aa6fe62941d6febf
-      base_revision: b06b8b2710955028a6b562f5aa6fe62941d6febf
+      create_revision: 84a1e904f44f9b0e9c4510138010edcc653163f8
+      base_revision: 84a1e904f44f9b0e9c4510138010edcc653163f8
     - platform: android
-      create_revision: b06b8b2710955028a6b562f5aa6fe62941d6febf
-      base_revision: b06b8b2710955028a6b562f5aa6fe62941d6febf
+      create_revision: 84a1e904f44f9b0e9c4510138010edcc653163f8
+      base_revision: 84a1e904f44f9b0e9c4510138010edcc653163f8
     - platform: ios
-      create_revision: b06b8b2710955028a6b562f5aa6fe62941d6febf
-      base_revision: b06b8b2710955028a6b562f5aa6fe62941d6febf
+      create_revision: 84a1e904f44f9b0e9c4510138010edcc653163f8
+      base_revision: 84a1e904f44f9b0e9c4510138010edcc653163f8
     - platform: linux
-      create_revision: b06b8b2710955028a6b562f5aa6fe62941d6febf
-      base_revision: b06b8b2710955028a6b562f5aa6fe62941d6febf
+      create_revision: 84a1e904f44f9b0e9c4510138010edcc653163f8
+      base_revision: 84a1e904f44f9b0e9c4510138010edcc653163f8
     - platform: macos
-      create_revision: b06b8b2710955028a6b562f5aa6fe62941d6febf
-      base_revision: b06b8b2710955028a6b562f5aa6fe62941d6febf
+      create_revision: 84a1e904f44f9b0e9c4510138010edcc653163f8
+      base_revision: 84a1e904f44f9b0e9c4510138010edcc653163f8
     - platform: web
-      create_revision: b06b8b2710955028a6b562f5aa6fe62941d6febf
-      base_revision: b06b8b2710955028a6b562f5aa6fe62941d6febf
+      create_revision: 84a1e904f44f9b0e9c4510138010edcc653163f8
+      base_revision: 84a1e904f44f9b0e9c4510138010edcc653163f8
     - platform: windows
-      create_revision: b06b8b2710955028a6b562f5aa6fe62941d6febf
-      base_revision: b06b8b2710955028a6b562f5aa6fe62941d6febf
+      create_revision: 84a1e904f44f9b0e9c4510138010edcc653163f8
+      base_revision: 84a1e904f44f9b0e9c4510138010edcc653163f8
 
   # User provided section
 
diff --git a/android/app/build.gradle b/android/app/build.gradle
index b31aa40..3abaa21 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -26,6 +26,7 @@ apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
+    namespace "com.example.flutter_kokkai_gijiroku"
     compileSdkVersion flutter.compileSdkVersion
     ndkVersion flutter.ndkVersion
 
diff --git a/android/app/src/debug/AndroidManifest.xml b/android/app/src/debug/AndroidManifest.xml
index 48d845c..399f698 100644
--- a/android/app/src/debug/AndroidManifest.xml
+++ b/android/app/src/debug/AndroidManifest.xml
@@ -1,5 +1,4 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.example.flutter_kokkai_gijiroku">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <!-- The INTERNET permission is required for development. Specifically,
          the Flutter tool needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index f855c41..f6e4976 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -1,6 +1,5 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.example.flutter_kokkai_gijiroku">
-   <application
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <application
         android:label="flutter_kokkai_gijiroku"
         android:name="${applicationName}"
         android:icon="@mipmap/ic_launcher">
diff --git a/android/app/src/profile/AndroidManifest.xml b/android/app/src/profile/AndroidManifest.xml
index 48d845c..399f698 100644
--- a/android/app/src/profile/AndroidManifest.xml
+++ b/android/app/src/profile/AndroidManifest.xml
@@ -1,5 +1,4 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.example.flutter_kokkai_gijiroku">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <!-- The INTERNET permission is required for development. Specifically,
          the Flutter tool needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
diff --git a/android/build.gradle b/android/build.gradle
index 58a8c74..f7eb7f6 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -6,7 +6,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.2.0'
+        classpath 'com.android.tools.build:gradle:7.3.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
@@ -26,6 +26,6 @@ subprojects {
     project.evaluationDependsOn(':app')
 }
 
-task clean(type: Delete) {
+tasks.register("clean", Delete) {
     delete rootProject.buildDir
 }
diff --git a/ios/Podfile b/ios/Podfile
index 88359b2..fdcc671 100644
--- a/ios/Podfile
+++ b/ios/Podfile
@@ -32,6 +32,9 @@ target 'Runner' do
   use_modular_headers!
 
   flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
+  target 'RunnerTests' do
+    inherit! :search_paths
+  end
 end
 
 post_install do |installer|
diff --git a/ios/Podfile.lock b/ios/Podfile.lock
index 61a5a73..acbca4f 100644
--- a/ios/Podfile.lock
+++ b/ios/Podfile.lock
@@ -8,22 +8,22 @@ PODS:
 
 DEPENDENCIES:
   - Flutter (from `Flutter`)
-  - path_provider_foundation (from `.symlinks/plugins/path_provider_foundation/ios`)
+  - path_provider_foundation (from `.symlinks/plugins/path_provider_foundation/darwin`)
   - url_launcher_ios (from `.symlinks/plugins/url_launcher_ios/ios`)
 
 EXTERNAL SOURCES:
   Flutter:
     :path: Flutter
   path_provider_foundation:
-    :path: ".symlinks/plugins/path_provider_foundation/ios"
+    :path: ".symlinks/plugins/path_provider_foundation/darwin"
   url_launcher_ios:
     :path: ".symlinks/plugins/url_launcher_ios/ios"
 
 SPEC CHECKSUMS:
   Flutter: f04841e97a9d0b0a8025694d0796dd46242b2854
-  path_provider_foundation: c68054786f1b4f3343858c1e1d0caaded73f0be9
+  path_provider_foundation: eaf5b3e458fc0e5fbb9940fb09980e853fe058b8
   url_launcher_ios: 08a3dfac5fb39e8759aeb0abbd5d9480f30fc8b4
 
-PODFILE CHECKSUM: ef19549a9bc3046e7bb7d2fab4d021637c0c58a3
+PODFILE CHECKSUM: 70d9d25280d0dd177a5f637cdb0f0b0b12c6a189
 
-COCOAPODS: 1.12.0
+COCOAPODS: 1.12.1
diff --git a/ios/Runner.xcodeproj/project.pbxproj b/ios/Runner.xcodeproj/project.pbxproj
index 19facd9..e9b7e01 100644
--- a/ios/Runner.xcodeproj/project.pbxproj
+++ b/ios/Runner.xcodeproj/project.pbxproj
@@ -8,14 +8,26 @@
 
 /* Begin PBXBuildFile section */
 		1498D2341E8E89220040F4C2 /* GeneratedPluginRegistrant.m in Sources */ = {isa = PBXBuildFile; fileRef = 1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */; };
+		331C808B294A63AB00263BE5 /* RunnerTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 331C807B294A618700263BE5 /* RunnerTests.swift */; };
 		3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */ = {isa = PBXBuildFile; fileRef = 3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */; };
-		66653AE039FECA15415BEF90 /* Pods_Runner.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = B015D6C8EF936C755BA34D8F /* Pods_Runner.framework */; };
+		3DA9F509E96ADA4519D234FA /* Pods_Runner.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 78FE87EDF3F42CA079965234 /* Pods_Runner.framework */; };
 		74858FAF1ED2DC5600515810 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 74858FAE1ED2DC5600515810 /* AppDelegate.swift */; };
 		97C146FC1CF9000F007C117D /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FA1CF9000F007C117D /* Main.storyboard */; };
 		97C146FE1CF9000F007C117D /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FD1CF9000F007C117D /* Assets.xcassets */; };
 		97C147011CF9000F007C117D /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FF1CF9000F007C117D /* LaunchScreen.storyboard */; };
+		F3B1838106ACA34405B5C6E6 /* Pods_RunnerTests.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 015B7F5FBA5B4A27C2D3B2B2 /* Pods_RunnerTests.framework */; };
 /* End PBXBuildFile section */
 
+/* Begin PBXContainerItemProxy section */
+		331C8085294A63A400263BE5 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 97C146E61CF9000F007C117D /* Project object */;
+			proxyType = 1;
+			remoteGlobalIDString = 97C146ED1CF9000F007C117D;
+			remoteInfo = Runner;
+		};
+/* End PBXContainerItemProxy section */
+
 /* Begin PBXCopyFilesBuildPhase section */
 		9705A1C41CF9048500538489 /* Embed Frameworks */ = {
 			isa = PBXCopyFilesBuildPhase;
@@ -30,14 +42,21 @@
 /* End PBXCopyFilesBuildPhase section */
 
 /* Begin PBXFileReference section */
+		015B7F5FBA5B4A27C2D3B2B2 /* Pods_RunnerTests.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_RunnerTests.framework; sourceTree = BUILT_PRODUCTS_DIR; };
+		08C4813A61B295CE34E54C02 /* Pods-RunnerTests.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-RunnerTests.debug.xcconfig"; path = "Target Support Files/Pods-RunnerTests/Pods-RunnerTests.debug.xcconfig"; sourceTree = "<group>"; };
 		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>"; };
-		1A1EF7977B0BB13896FF29B6 /* Pods-Runner.profile.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.profile.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.profile.xcconfig"; sourceTree = "<group>"; };
+		1E55BCC2BC29095C6473FBCC /* Pods-Runner.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.release.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"; sourceTree = "<group>"; };
+		331C807B294A618700263BE5 /* RunnerTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RunnerTests.swift; sourceTree = "<group>"; };
+		331C8081294A63A400263BE5 /* RunnerTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = RunnerTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
 		3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; name = AppFrameworkInfo.plist; path = Flutter/AppFrameworkInfo.plist; sourceTree = "<group>"; };
-		5CD1BC39801EAF89A0C62118 /* Pods-Runner.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.release.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"; sourceTree = "<group>"; };
+		5C614B4CAB4BC660B8A09F90 /* Pods-RunnerTests.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-RunnerTests.release.xcconfig"; path = "Target Support Files/Pods-RunnerTests/Pods-RunnerTests.release.xcconfig"; sourceTree = "<group>"; };
 		74858FAD1ED2DC5600515810 /* Runner-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "Runner-Bridging-Header.h"; sourceTree = "<group>"; };
 		74858FAE1ED2DC5600515810 /* AppDelegate.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
+		78FE87EDF3F42CA079965234 /* Pods_Runner.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_Runner.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		7AFA3C8E1D35360C0083082E /* Release.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; name = Release.xcconfig; path = Flutter/Release.xcconfig; sourceTree = "<group>"; };
+		8394E70BF59F8A6F91FB1DA2 /* Pods-RunnerTests.profile.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-RunnerTests.profile.xcconfig"; path = "Target Support Files/Pods-RunnerTests/Pods-RunnerTests.profile.xcconfig"; sourceTree = "<group>"; };
+		94812D7F1D1EFD890A320093 /* Pods-Runner.profile.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.profile.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.profile.xcconfig"; sourceTree = "<group>"; };
 		9740EEB21CF90195004384FC /* Debug.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = Debug.xcconfig; path = Flutter/Debug.xcconfig; sourceTree = "<group>"; };
 		9740EEB31CF90195004384FC /* Generated.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = Generated.xcconfig; path = Flutter/Generated.xcconfig; sourceTree = "<group>"; };
 		97C146EE1CF9000F007C117D /* Runner.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Runner.app; sourceTree = BUILT_PRODUCTS_DIR; };
@@ -45,33 +64,60 @@
 		97C146FD1CF9000F007C117D /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
 		97C147001CF9000F007C117D /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/LaunchScreen.storyboard; sourceTree = "<group>"; };
 		97C147021CF9000F007C117D /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
-		B015D6C8EF936C755BA34D8F /* Pods_Runner.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_Runner.framework; sourceTree = BUILT_PRODUCTS_DIR; };
-		D13214722C016803014275EA /* Pods-Runner.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.debug.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"; sourceTree = "<group>"; };
+		C3D6072C30B788A6CFE815D2 /* Pods-Runner.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.debug.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
+		094AE8CCB5FD3A9AA1831E21 /* Frameworks */ = {
+			isa = PBXFrameworksBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				F3B1838106ACA34405B5C6E6 /* Pods_RunnerTests.framework in Frameworks */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 		97C146EB1CF9000F007C117D /* Frameworks */ = {
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				66653AE039FECA15415BEF90 /* Pods_Runner.framework in Frameworks */,
+				3DA9F509E96ADA4519D234FA /* Pods_Runner.framework in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
 /* End PBXFrameworksBuildPhase section */
 
 /* Begin PBXGroup section */
-		320785145A83E43FB391BE8B /* Pods */ = {
+		331C8082294A63A400263BE5 /* RunnerTests */ = {
 			isa = PBXGroup;
 			children = (
-				D13214722C016803014275EA /* Pods-Runner.debug.xcconfig */,
-				5CD1BC39801EAF89A0C62118 /* Pods-Runner.release.xcconfig */,
-				1A1EF7977B0BB13896FF29B6 /* Pods-Runner.profile.xcconfig */,
+				331C807B294A618700263BE5 /* RunnerTests.swift */,
+			);
+			path = RunnerTests;
+			sourceTree = "<group>";
+		};
+		340CC60E8F7347B86EB6987B /* Pods */ = {
+			isa = PBXGroup;
+			children = (
+				C3D6072C30B788A6CFE815D2 /* Pods-Runner.debug.xcconfig */,
+				1E55BCC2BC29095C6473FBCC /* Pods-Runner.release.xcconfig */,
+				94812D7F1D1EFD890A320093 /* Pods-Runner.profile.xcconfig */,
+				08C4813A61B295CE34E54C02 /* Pods-RunnerTests.debug.xcconfig */,
+				5C614B4CAB4BC660B8A09F90 /* Pods-RunnerTests.release.xcconfig */,
+				8394E70BF59F8A6F91FB1DA2 /* Pods-RunnerTests.profile.xcconfig */,
 			);
 			name = Pods;
 			path = Pods;
 			sourceTree = "<group>";
 		};
+		96BB67B9FFD71D9E88AF8B05 /* Frameworks */ = {
+			isa = PBXGroup;
+			children = (
+				78FE87EDF3F42CA079965234 /* Pods_Runner.framework */,
+				015B7F5FBA5B4A27C2D3B2B2 /* Pods_RunnerTests.framework */,
+			);
+			name = Frameworks;
+			sourceTree = "<group>";
+		};
 		9740EEB11CF90186004384FC /* Flutter */ = {
 			isa = PBXGroup;
 			children = (
@@ -89,8 +135,9 @@
 				9740EEB11CF90186004384FC /* Flutter */,
 				97C146F01CF9000F007C117D /* Runner */,
 				97C146EF1CF9000F007C117D /* Products */,
-				320785145A83E43FB391BE8B /* Pods */,
-				AF3EDBE9FC697267A9E5F442 /* Frameworks */,
+				331C8082294A63A400263BE5 /* RunnerTests */,
+				340CC60E8F7347B86EB6987B /* Pods */,
+				96BB67B9FFD71D9E88AF8B05 /* Frameworks */,
 			);
 			sourceTree = "<group>";
 		};
@@ -98,6 +145,7 @@
 			isa = PBXGroup;
 			children = (
 				97C146EE1CF9000F007C117D /* Runner.app */,
+				331C8081294A63A400263BE5 /* RunnerTests.xctest */,
 			);
 			name = Products;
 			sourceTree = "<group>";
@@ -117,29 +165,40 @@
 			path = Runner;
 			sourceTree = "<group>";
 		};
-		AF3EDBE9FC697267A9E5F442 /* Frameworks */ = {
-			isa = PBXGroup;
-			children = (
-				B015D6C8EF936C755BA34D8F /* Pods_Runner.framework */,
-			);
-			name = Frameworks;
-			sourceTree = "<group>";
-		};
 /* End PBXGroup section */
 
 /* Begin PBXNativeTarget section */
+		331C8080294A63A400263BE5 /* RunnerTests */ = {
+			isa = PBXNativeTarget;
+			buildConfigurationList = 331C8087294A63A400263BE5 /* Build configuration list for PBXNativeTarget "RunnerTests" */;
+			buildPhases = (
+				B958529FF653BEF16C16B3A2 /* [CP] Check Pods Manifest.lock */,
+				331C807D294A63A400263BE5 /* Sources */,
+				331C807F294A63A400263BE5 /* Resources */,
+				094AE8CCB5FD3A9AA1831E21 /* Frameworks */,
+			);
+			buildRules = (
+			);
+			dependencies = (
+				331C8086294A63A400263BE5 /* PBXTargetDependency */,
+			);
+			name = RunnerTests;
+			productName = RunnerTests;
+			productReference = 331C8081294A63A400263BE5 /* RunnerTests.xctest */;
+			productType = "com.apple.product-type.bundle.unit-test";
+		};
 		97C146ED1CF9000F007C117D /* Runner */ = {
 			isa = PBXNativeTarget;
 			buildConfigurationList = 97C147051CF9000F007C117D /* Build configuration list for PBXNativeTarget "Runner" */;
 			buildPhases = (
-				9BCDE54A935268778A31115E /* [CP] Check Pods Manifest.lock */,
+				B0B14DCDD6F3F77FE732E00E /* [CP] Check Pods Manifest.lock */,
 				9740EEB61CF901F6004384FC /* Run Script */,
 				97C146EA1CF9000F007C117D /* Sources */,
 				97C146EB1CF9000F007C117D /* Frameworks */,
 				97C146EC1CF9000F007C117D /* Resources */,
 				9705A1C41CF9048500538489 /* Embed Frameworks */,
 				3B06AD1E1E4923F5004D2608 /* Thin Binary */,
-				11BDB10212AA40FF2D99C0B1 /* [CP] Embed Pods Frameworks */,
+				9E7DD14DBA27507244AE8F27 /* [CP] Embed Pods Frameworks */,
 			);
 			buildRules = (
 			);
@@ -159,6 +218,10 @@
 				LastUpgradeCheck = 1300;
 				ORGANIZATIONNAME = "";
 				TargetAttributes = {
+					331C8080294A63A400263BE5 = {
+						CreatedOnToolsVersion = 14.0;
+						TestTargetID = 97C146ED1CF9000F007C117D;
+					};
 					97C146ED1CF9000F007C117D = {
 						CreatedOnToolsVersion = 7.3.1;
 						LastSwiftMigration = 1100;
@@ -179,11 +242,19 @@
 			projectRoot = "";
 			targets = (
 				97C146ED1CF9000F007C117D /* Runner */,
+				331C8080294A63A400263BE5 /* RunnerTests */,
 			);
 		};
 /* End PBXProject section */
 
 /* Begin PBXResourcesBuildPhase section */
+		331C807F294A63A400263BE5 /* Resources */ = {
+			isa = PBXResourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 		97C146EC1CF9000F007C117D /* Resources */ = {
 			isa = PBXResourcesBuildPhase;
 			buildActionMask = 2147483647;
@@ -198,24 +269,23 @@
 /* End PBXResourcesBuildPhase section */
 
 /* Begin PBXShellScriptBuildPhase section */
-		11BDB10212AA40FF2D99C0B1 /* [CP] Embed Pods Frameworks */ = {
+		3B06AD1E1E4923F5004D2608 /* Thin Binary */ = {
 			isa = PBXShellScriptBuildPhase;
+			alwaysOutOfDate = 1;
 			buildActionMask = 2147483647;
 			files = (
 			);
-			inputFileListPaths = (
-				"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks-${CONFIGURATION}-input-files.xcfilelist",
+			inputPaths = (
+				"${TARGET_BUILD_DIR}/${INFOPLIST_PATH}",
 			);
-			name = "[CP] Embed Pods Frameworks";
-			outputFileListPaths = (
-				"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks-${CONFIGURATION}-output-files.xcfilelist",
+			name = "Thin Binary";
+			outputPaths = (
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "\"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks.sh\"\n";
-			showEnvVarsInLog = 0;
+			shellScript = "/bin/sh \"$FLUTTER_ROOT/packages/flutter_tools/bin/xcode_backend.sh\" embed_and_thin";
 		};
-		3B06AD1E1E4923F5004D2608 /* Thin Binary */ = {
+		9740EEB61CF901F6004384FC /* Run Script */ = {
 			isa = PBXShellScriptBuildPhase;
 			alwaysOutOfDate = 1;
 			buildActionMask = 2147483647;
@@ -223,29 +293,53 @@
 			);
 			inputPaths = (
 			);
-			name = "Thin Binary";
+			name = "Run Script";
 			outputPaths = (
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "/bin/sh \"$FLUTTER_ROOT/packages/flutter_tools/bin/xcode_backend.sh\" embed_and_thin";
+			shellScript = "/bin/sh \"$FLUTTER_ROOT/packages/flutter_tools/bin/xcode_backend.sh\" build";
 		};
-		9740EEB61CF901F6004384FC /* Run Script */ = {
+		9E7DD14DBA27507244AE8F27 /* [CP] Embed Pods Frameworks */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputFileListPaths = (
+				"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks-${CONFIGURATION}-input-files.xcfilelist",
+			);
+			name = "[CP] Embed Pods Frameworks";
+			outputFileListPaths = (
+				"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks-${CONFIGURATION}-output-files.xcfilelist",
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "\"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks.sh\"\n";
+			showEnvVarsInLog = 0;
+		};
+		B0B14DCDD6F3F77FE732E00E /* [CP] Check Pods Manifest.lock */ = {
 			isa = PBXShellScriptBuildPhase;
-			alwaysOutOfDate = 1;
 			buildActionMask = 2147483647;
 			files = (
 			);
+			inputFileListPaths = (
+			);
 			inputPaths = (
+				"${PODS_PODFILE_DIR_PATH}/Podfile.lock",
+				"${PODS_ROOT}/Manifest.lock",
+			);
+			name = "[CP] Check Pods Manifest.lock";
+			outputFileListPaths = (
 			);
-			name = "Run Script";
 			outputPaths = (
+				"$(DERIVED_FILE_DIR)/Pods-Runner-checkManifestLockResult.txt",
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "/bin/sh \"$FLUTTER_ROOT/packages/flutter_tools/bin/xcode_backend.sh\" build";
+			shellScript = "diff \"${PODS_PODFILE_DIR_PATH}/Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # print error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n# This output is used by Xcode 'outputs' to avoid re-running this script phase.\necho \"SUCCESS\" > \"${SCRIPT_OUTPUT_FILE_0}\"\n";
+			showEnvVarsInLog = 0;
 		};
-		9BCDE54A935268778A31115E /* [CP] Check Pods Manifest.lock */ = {
+		B958529FF653BEF16C16B3A2 /* [CP] Check Pods Manifest.lock */ = {
 			isa = PBXShellScriptBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
@@ -260,7 +354,7 @@
 			outputFileListPaths = (
 			);
 			outputPaths = (
-				"$(DERIVED_FILE_DIR)/Pods-Runner-checkManifestLockResult.txt",
+				"$(DERIVED_FILE_DIR)/Pods-RunnerTests-checkManifestLockResult.txt",
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
@@ -270,6 +364,14 @@
 /* End PBXShellScriptBuildPhase section */
 
 /* Begin PBXSourcesBuildPhase section */
+		331C807D294A63A400263BE5 /* Sources */ = {
+			isa = PBXSourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				331C808B294A63AB00263BE5 /* RunnerTests.swift in Sources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 		97C146EA1CF9000F007C117D /* Sources */ = {
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
@@ -281,6 +383,14 @@
 		};
 /* End PBXSourcesBuildPhase section */
 
+/* Begin PBXTargetDependency section */
+		331C8086294A63A400263BE5 /* PBXTargetDependency */ = {
+			isa = PBXTargetDependency;
+			target = 97C146ED1CF9000F007C117D /* Runner */;
+			targetProxy = 331C8085294A63A400263BE5 /* PBXContainerItemProxy */;
+		};
+/* End PBXTargetDependency section */
+
 /* Begin PBXVariantGroup section */
 		97C146FA1CF9000F007C117D /* Main.storyboard */ = {
 			isa = PBXVariantGroup;
@@ -373,6 +483,56 @@
 			};
 			name = Profile;
 		};
+		331C8088294A63A400263BE5 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 08C4813A61B295CE34E54C02 /* Pods-RunnerTests.debug.xcconfig */;
+			buildSettings = {
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				CODE_SIGN_STYLE = Automatic;
+				CURRENT_PROJECT_VERSION = 1;
+				GENERATE_INFOPLIST_FILE = YES;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = com.example.flutterKokkaiGijiroku.RunnerTests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
+				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 5.0;
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/Runner.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/Runner";
+			};
+			name = Debug;
+		};
+		331C8089294A63A400263BE5 /* Release */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 5C614B4CAB4BC660B8A09F90 /* Pods-RunnerTests.release.xcconfig */;
+			buildSettings = {
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				CODE_SIGN_STYLE = Automatic;
+				CURRENT_PROJECT_VERSION = 1;
+				GENERATE_INFOPLIST_FILE = YES;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = com.example.flutterKokkaiGijiroku.RunnerTests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 5.0;
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/Runner.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/Runner";
+			};
+			name = Release;
+		};
+		331C808A294A63A400263BE5 /* Profile */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 8394E70BF59F8A6F91FB1DA2 /* Pods-RunnerTests.profile.xcconfig */;
+			buildSettings = {
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				CODE_SIGN_STYLE = Automatic;
+				CURRENT_PROJECT_VERSION = 1;
+				GENERATE_INFOPLIST_FILE = YES;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = com.example.flutterKokkaiGijiroku.RunnerTests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 5.0;
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/Runner.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/Runner";
+			};
+			name = Profile;
+		};
 		97C147031CF9000F007C117D /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
@@ -528,6 +688,16 @@
 /* End XCBuildConfiguration section */
 
 /* Begin XCConfigurationList section */
+		331C8087294A63A400263BE5 /* Build configuration list for PBXNativeTarget "RunnerTests" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				331C8088294A63A400263BE5 /* Debug */,
+				331C8089294A63A400263BE5 /* Release */,
+				331C808A294A63A400263BE5 /* Profile */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
 		97C146E91CF9000F007C117D /* Build configuration list for PBXProject "Runner" */ = {
 			isa = XCConfigurationList;
 			buildConfigurations = (
diff --git a/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme b/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
index c87d15a..e42adcb 100644
--- a/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
+++ b/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
@@ -37,6 +37,17 @@
          </BuildableReference>
       </MacroExpansion>
       <Testables>
+         <TestableReference
+            skipped = "NO"
+            parallelizable = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "331C8080294A63A400263BE5"
+               BuildableName = "RunnerTests.xctest"
+               BlueprintName = "RunnerTests"
+               ReferencedContainer = "container:Runner.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
       </Testables>
    </TestAction>
    <LaunchAction
diff --git a/ios/RunnerTests/RunnerTests.swift b/ios/RunnerTests/RunnerTests.swift
new file mode 100644
index 0000000..86a7c3b
--- /dev/null
+++ b/ios/RunnerTests/RunnerTests.swift
@@ -0,0 +1,12 @@
+import Flutter
+import UIKit
+import XCTest
+
+class RunnerTests: XCTestCase {
+
+  func testExample() {
+    // If you add code to the Runner application, consider adding tests here.
+    // See https://developer.apple.com/documentation/xctest for more information about using XCTest.
+  }
+
+}
diff --git a/lib/model/api_repository.dart b/lib/model/api_repository.dart
index 7063b23..a39a5e0 100644
--- a/lib/model/api_repository.dart
+++ b/lib/model/api_repository.dart
@@ -218,7 +218,7 @@ class ApiRepository {
           final messageList = document.findAllElements('message').first;
 
           return ApiExceptionError(
-            message: messageList.nodes.first.text,
+            message: messageList.nodes.first.innerText,
           );
         } on Exception catch (e) {
           debugPrint(e.toString());
diff --git a/lib/model/source/data_source_issue.dart b/lib/model/source/data_source_issue.dart
index 63ee235..7106232 100644
--- a/lib/model/source/data_source_issue.dart
+++ b/lib/model/source/data_source_issue.dart
@@ -15,7 +15,7 @@ DataSourceIssue dataSourceIssue(
       issueID: issueID,
     );
 
-class DataSourceIssue extends DataSource<int, SpeechRecord> {
+final class DataSourceIssue extends DataSource<int, SpeechRecord> {
   DataSourceIssue({
     required this.repository,
     required this.issueID,
@@ -25,37 +25,34 @@ class DataSourceIssue extends DataSource<int, SpeechRecord> {
   final String issueID;
 
   @override
-  Future<LoadResult<int, SpeechRecord>> load(
-    LoadParams<int> params,
-  ) async {
-    return params.when(
-      refresh: () async {
+  Future<LoadResult<int, SpeechRecord>> load(LoadAction<int> action) async {
+    switch (action) {
+      case Refresh():
         final response = await repository.getSpeechByIssueID(
           page: 1,
           issueID: issueID,
         );
 
-        return LoadResult.success(
+        return Success(
           page: PageData(
             data: response.speechRecord,
             appendKey: response.nextRecordPosition,
           ),
         );
-      },
-      prepend: (pageKey) async => const LoadResult.none(),
-      append: (pageKey) async {
+      case Prepend(key: _):
+        return const None();
+      case Append(key: int pageKey):
         final response = await repository.getSpeechByIssueID(
           page: pageKey,
           issueID: issueID,
         );
 
-        return LoadResult.success(
+        return Success(
           page: PageData(
             data: response.speechRecord,
             appendKey: response.nextRecordPosition,
           ),
         );
-      },
-    );
+    }
   }
 }
diff --git a/lib/model/source/data_source_meeting_detail.dart b/lib/model/source/data_source_meeting_detail.dart
index 899a254..702acae 100644
--- a/lib/model/source/data_source_meeting_detail.dart
+++ b/lib/model/source/data_source_meeting_detail.dart
@@ -16,7 +16,8 @@ DataSourceMeetingDetail dataSourceMeetingDetail(
       searchParams: params,
     );
 
-class DataSourceMeetingDetail extends DataSource<int, MeetingRecordDetail> {
+final class DataSourceMeetingDetail
+    extends DataSource<int, MeetingRecordDetail> {
   DataSourceMeetingDetail({
     required this.repository,
     required this.searchParams,
@@ -27,36 +28,35 @@ class DataSourceMeetingDetail extends DataSource<int, MeetingRecordDetail> {
 
   @override
   Future<LoadResult<int, MeetingRecordDetail>> load(
-    LoadParams<int> params,
+    LoadAction<int> action,
   ) async {
-    return params.when(
-      refresh: () async {
+    switch (action) {
+      case Refresh():
         final response = await repository.getMeetingDetail(
           page: 1,
           params: searchParams,
         );
 
-        return LoadResult.success(
+        return Success(
           page: PageData(
             data: response.meetingRecord,
             appendKey: response.nextRecordPosition,
           ),
         );
-      },
-      prepend: (pageKey) async => const LoadResult.none(),
-      append: (pageKey) async {
+      case Prepend(key: _):
+        return const None();
+      case Append(key: int pageKey):
         final response = await repository.getMeetingDetail(
           page: pageKey,
           params: searchParams,
         );
 
-        return LoadResult.success(
+        return Success(
           page: PageData(
             data: response.meetingRecord,
             appendKey: response.nextRecordPosition,
           ),
         );
-      },
-    );
+    }
   }
 }
diff --git a/lib/model/source/data_source_meeting_summary.dart b/lib/model/source/data_source_meeting_summary.dart
index 727e525..ba8b9d2 100644
--- a/lib/model/source/data_source_meeting_summary.dart
+++ b/lib/model/source/data_source_meeting_summary.dart
@@ -16,7 +16,8 @@ DataSourceMeetingSummary dataSourceMeetingSummary(
       searchParams: params,
     );
 
-class DataSourceMeetingSummary extends DataSource<int, MeetingRecordSummary> {
+final class DataSourceMeetingSummary
+    extends DataSource<int, MeetingRecordSummary> {
   DataSourceMeetingSummary({
     required this.repository,
     required this.searchParams,
@@ -27,36 +28,35 @@ class DataSourceMeetingSummary extends DataSource<int, MeetingRecordSummary> {
 
   @override
   Future<LoadResult<int, MeetingRecordSummary>> load(
-    LoadParams<int> params,
+    LoadAction<int> action,
   ) async {
-    return params.when(
-      refresh: () async {
+    switch (action) {
+      case Refresh():
         final response = await repository.getMeetingSummary(
           page: 1,
           params: searchParams,
         );
 
-        return LoadResult.success(
+        return Success(
           page: PageData(
             data: response.meetingRecord,
             appendKey: response.nextRecordPosition,
           ),
         );
-      },
-      prepend: (pageKey) async => const LoadResult.none(),
-      append: (pageKey) async {
+      case Prepend(key: _):
+        return const None();
+      case Append(key: int pageKey):
         final response = await repository.getMeetingSummary(
           page: pageKey,
           params: searchParams,
         );
 
-        return LoadResult.success(
+        return Success(
           page: PageData(
             data: response.meetingRecord,
             appendKey: response.nextRecordPosition,
           ),
         );
-      },
-    );
+    }
   }
 }
diff --git a/lib/model/source/data_source_speech.dart b/lib/model/source/data_source_speech.dart
index 5da6faa..bdcbd56 100644
--- a/lib/model/source/data_source_speech.dart
+++ b/lib/model/source/data_source_speech.dart
@@ -16,7 +16,7 @@ DataSourceSpeech dataSourceSpeech(
       searchParams: params,
     );
 
-class DataSourceSpeech extends DataSource<int, SpeechRecord> {
+final class DataSourceSpeech extends DataSource<int, SpeechRecord> {
   DataSourceSpeech({
     required this.repository,
     required this.searchParams,
@@ -27,36 +27,35 @@ class DataSourceSpeech extends DataSource<int, SpeechRecord> {
 
   @override
   Future<LoadResult<int, SpeechRecord>> load(
-    LoadParams<int> params,
+    LoadAction<int> action,
   ) async {
-    return params.when(
-      refresh: () async {
+    switch (action) {
+      case Refresh():
         final response = await repository.getSpeech(
           page: 1,
           params: searchParams,
         );
 
-        return LoadResult.success(
+        return Success(
           page: PageData(
             data: response.speechRecord,
             appendKey: response.nextRecordPosition,
           ),
         );
-      },
-      prepend: (pageKey) async => const LoadResult.none(),
-      append: (pageKey) async {
+      case Prepend(key: _):
+        return const None();
+      case Append(key: int pageKey):
         final response = await repository.getSpeech(
           page: pageKey,
           params: searchParams,
         );
 
-        return LoadResult.success(
+        return Success(
           page: PageData(
             data: response.speechRecord,
             appendKey: response.nextRecordPosition,
           ),
         );
-      },
-    );
+    }
   }
 }
diff --git a/linux/CMakeLists.txt b/linux/CMakeLists.txt
index 64716ff..6a68e18 100644
--- a/linux/CMakeLists.txt
+++ b/linux/CMakeLists.txt
@@ -86,6 +86,7 @@ set_target_properties(${BINARY_NAME}
   RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/intermediates_do_not_run"
 )
 
+
 # Generated plugin build rules, which manage building the plugins and adding
 # them to the application.
 include(flutter/generated_plugins.cmake)
diff --git a/macos/Podfile b/macos/Podfile
index 049abe2..c795730 100644
--- a/macos/Podfile
+++ b/macos/Podfile
@@ -31,6 +31,9 @@ target 'Runner' do
   use_modular_headers!
 
   flutter_install_all_macos_pods File.dirname(File.realpath(__FILE__))
+  target 'RunnerTests' do
+    inherit! :search_paths
+  end
 end
 
 post_install do |installer|
diff --git a/macos/Runner.xcodeproj/project.pbxproj b/macos/Runner.xcodeproj/project.pbxproj
index b56c424..bda7bbb 100644
--- a/macos/Runner.xcodeproj/project.pbxproj
+++ b/macos/Runner.xcodeproj/project.pbxproj
@@ -21,6 +21,7 @@
 /* End PBXAggregateTarget section */
 
 /* Begin PBXBuildFile section */
+		331C80D8294CF71000263BE5 /* RunnerTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 331C80D7294CF71000263BE5 /* RunnerTests.swift */; };
 		335BBD1B22A9A15E00E9071D /* GeneratedPluginRegistrant.swift in Sources */ = {isa = PBXBuildFile; fileRef = 335BBD1A22A9A15E00E9071D /* GeneratedPluginRegistrant.swift */; };
 		33CC10F12044A3C60003C045 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 33CC10F02044A3C60003C045 /* AppDelegate.swift */; };
 		33CC10F32044A3C60003C045 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 33CC10F22044A3C60003C045 /* Assets.xcassets */; };
@@ -29,6 +30,13 @@
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
+		331C80D9294CF71000263BE5 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 33CC10E52044A3C60003C045 /* Project object */;
+			proxyType = 1;
+			remoteGlobalIDString = 33CC10EC2044A3C60003C045;
+			remoteInfo = Runner;
+		};
 		33CC111F2044C79F0003C045 /* PBXContainerItemProxy */ = {
 			isa = PBXContainerItemProxy;
 			containerPortal = 33CC10E52044A3C60003C045 /* Project object */;
@@ -52,6 +60,8 @@
 /* End PBXCopyFilesBuildPhase section */
 
 /* Begin PBXFileReference section */
+		331C80D5294CF71000263BE5 /* RunnerTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = RunnerTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
+		331C80D7294CF71000263BE5 /* RunnerTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RunnerTests.swift; sourceTree = "<group>"; };
 		333000ED22D3DE5D00554162 /* Warnings.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = Warnings.xcconfig; sourceTree = "<group>"; };
 		335BBD1A22A9A15E00E9071D /* GeneratedPluginRegistrant.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = GeneratedPluginRegistrant.swift; sourceTree = "<group>"; };
 		33CC10ED2044A3C60003C045 /* flutter_kokkai_gijiroku.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = "flutter_kokkai_gijiroku.app"; sourceTree = BUILT_PRODUCTS_DIR; };
@@ -71,6 +81,13 @@
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
+		331C80D2294CF70F00263BE5 /* Frameworks */ = {
+			isa = PBXFrameworksBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 		33CC10EA2044A3C60003C045 /* Frameworks */ = {
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
@@ -81,6 +98,14 @@
 /* End PBXFrameworksBuildPhase section */
 
 /* Begin PBXGroup section */
+		331C80D6294CF71000263BE5 /* RunnerTests */ = {
+			isa = PBXGroup;
+			children = (
+				331C80D7294CF71000263BE5 /* RunnerTests.swift */,
+			);
+			path = RunnerTests;
+			sourceTree = "<group>";
+		};
 		33BA886A226E78AF003329D5 /* Configs */ = {
 			isa = PBXGroup;
 			children = (
@@ -97,6 +122,7 @@
 			children = (
 				33FAB671232836740065AC1E /* Runner */,
 				33CEB47122A05771004F2AC0 /* Flutter */,
+				331C80D6294CF71000263BE5 /* RunnerTests */,
 				33CC10EE2044A3C60003C045 /* Products */,
 				D73912EC22F37F3D000D13A0 /* Frameworks */,
 			);
@@ -106,6 +132,7 @@
 			isa = PBXGroup;
 			children = (
 				33CC10ED2044A3C60003C045 /* flutter_kokkai_gijiroku.app */,
+				331C80D5294CF71000263BE5 /* RunnerTests.xctest */,
 			);
 			name = Products;
 			sourceTree = "<group>";
@@ -155,6 +182,24 @@
 /* End PBXGroup section */
 
 /* Begin PBXNativeTarget section */
+		331C80D4294CF70F00263BE5 /* RunnerTests */ = {
+			isa = PBXNativeTarget;
+			buildConfigurationList = 331C80DE294CF71000263BE5 /* Build configuration list for PBXNativeTarget "RunnerTests" */;
+			buildPhases = (
+				331C80D1294CF70F00263BE5 /* Sources */,
+				331C80D2294CF70F00263BE5 /* Frameworks */,
+				331C80D3294CF70F00263BE5 /* Resources */,
+			);
+			buildRules = (
+			);
+			dependencies = (
+				331C80DA294CF71000263BE5 /* PBXTargetDependency */,
+			);
+			name = RunnerTests;
+			productName = RunnerTests;
+			productReference = 331C80D5294CF71000263BE5 /* RunnerTests.xctest */;
+			productType = "com.apple.product-type.bundle.unit-test";
+		};
 		33CC10EC2044A3C60003C045 /* Runner */ = {
 			isa = PBXNativeTarget;
 			buildConfigurationList = 33CC10FB2044A3C60003C045 /* Build configuration list for PBXNativeTarget "Runner" */;
@@ -185,6 +230,10 @@
 				LastUpgradeCheck = 1300;
 				ORGANIZATIONNAME = "";
 				TargetAttributes = {
+					331C80D4294CF70F00263BE5 = {
+						CreatedOnToolsVersion = 14.0;
+						TestTargetID = 33CC10EC2044A3C60003C045;
+					};
 					33CC10EC2044A3C60003C045 = {
 						CreatedOnToolsVersion = 9.2;
 						LastSwiftMigration = 1100;
@@ -215,12 +264,20 @@
 			projectRoot = "";
 			targets = (
 				33CC10EC2044A3C60003C045 /* Runner */,
+				331C80D4294CF70F00263BE5 /* RunnerTests */,
 				33CC111A2044C6BA0003C045 /* Flutter Assemble */,
 			);
 		};
 /* End PBXProject section */
 
 /* Begin PBXResourcesBuildPhase section */
+		331C80D3294CF70F00263BE5 /* Resources */ = {
+			isa = PBXResourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 		33CC10EB2044A3C60003C045 /* Resources */ = {
 			isa = PBXResourcesBuildPhase;
 			buildActionMask = 2147483647;
@@ -274,6 +331,14 @@
 /* End PBXShellScriptBuildPhase section */
 
 /* Begin PBXSourcesBuildPhase section */
+		331C80D1294CF70F00263BE5 /* Sources */ = {
+			isa = PBXSourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				331C80D8294CF71000263BE5 /* RunnerTests.swift in Sources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 		33CC10E92044A3C60003C045 /* Sources */ = {
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
@@ -287,6 +352,11 @@
 /* End PBXSourcesBuildPhase section */
 
 /* Begin PBXTargetDependency section */
+		331C80DA294CF71000263BE5 /* PBXTargetDependency */ = {
+			isa = PBXTargetDependency;
+			target = 33CC10EC2044A3C60003C045 /* Runner */;
+			targetProxy = 331C80D9294CF71000263BE5 /* PBXContainerItemProxy */;
+		};
 		33CC11202044C79F0003C045 /* PBXTargetDependency */ = {
 			isa = PBXTargetDependency;
 			target = 33CC111A2044C6BA0003C045 /* Flutter Assemble */;
@@ -307,6 +377,48 @@
 /* End PBXVariantGroup section */
 
 /* Begin XCBuildConfiguration section */
+		331C80DB294CF71000263BE5 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				CURRENT_PROJECT_VERSION = 1;
+				GENERATE_INFOPLIST_FILE = YES;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = com.example.flutterKokkaiGijiroku.RunnerTests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 5.0;
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/flutter_kokkai_gijiroku.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/flutter_kokkai_gijiroku";
+			};
+			name = Debug;
+		};
+		331C80DC294CF71000263BE5 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				CURRENT_PROJECT_VERSION = 1;
+				GENERATE_INFOPLIST_FILE = YES;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = com.example.flutterKokkaiGijiroku.RunnerTests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 5.0;
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/flutter_kokkai_gijiroku.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/flutter_kokkai_gijiroku";
+			};
+			name = Release;
+		};
+		331C80DD294CF71000263BE5 /* Profile */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				CURRENT_PROJECT_VERSION = 1;
+				GENERATE_INFOPLIST_FILE = YES;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = com.example.flutterKokkaiGijiroku.RunnerTests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 5.0;
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/flutter_kokkai_gijiroku.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/flutter_kokkai_gijiroku";
+			};
+			name = Profile;
+		};
 		338D0CE9231458BD00FA5F75 /* Profile */ = {
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = 7AFA3C8E1D35360C0083082E /* Release.xcconfig */;
@@ -537,6 +649,16 @@
 /* End XCBuildConfiguration section */
 
 /* Begin XCConfigurationList section */
+		331C80DE294CF71000263BE5 /* Build configuration list for PBXNativeTarget "RunnerTests" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				331C80DB294CF71000263BE5 /* Debug */,
+				331C80DC294CF71000263BE5 /* Release */,
+				331C80DD294CF71000263BE5 /* Profile */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
 		33CC10E82044A3C60003C045 /* Build configuration list for PBXProject "Runner" */ = {
 			isa = XCConfigurationList;
 			buildConfigurations = (
diff --git a/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme b/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
index 0e90ee9..bf7042f 100644
--- a/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
+++ b/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
@@ -37,6 +37,17 @@
          </BuildableReference>
       </MacroExpansion>
       <Testables>
+         <TestableReference
+            skipped = "NO"
+            parallelizable = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "331C80D4294CF70F00263BE5"
+               BuildableName = "RunnerTests.xctest"
+               BlueprintName = "RunnerTests"
+               ReferencedContainer = "container:Runner.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
       </Testables>
    </TestAction>
    <LaunchAction
diff --git a/macos/Runner/MainFlutterWindow.swift b/macos/Runner/MainFlutterWindow.swift
index 2722837..3cc05eb 100644
--- a/macos/Runner/MainFlutterWindow.swift
+++ b/macos/Runner/MainFlutterWindow.swift
@@ -3,7 +3,7 @@ import FlutterMacOS
 
 class MainFlutterWindow: NSWindow {
   override func awakeFromNib() {
-    let flutterViewController = FlutterViewController.init()
+    let flutterViewController = FlutterViewController()
     let windowFrame = self.frame
     self.contentViewController = flutterViewController
     self.setFrame(windowFrame, display: true)
diff --git a/macos/RunnerTests/RunnerTests.swift b/macos/RunnerTests/RunnerTests.swift
new file mode 100644
index 0000000..5418c9f
--- /dev/null
+++ b/macos/RunnerTests/RunnerTests.swift
@@ -0,0 +1,12 @@
+import FlutterMacOS
+import Cocoa
+import XCTest
+
+class RunnerTests: XCTestCase {
+
+  func testExample() {
+    // If you add code to the Runner application, consider adding tests here.
+    // See https://developer.apple.com/documentation/xctest for more information about using XCTest.
+  }
+
+}
diff --git a/pubspec.lock b/pubspec.lock
index aa143c1..f270602 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -29,18 +29,18 @@ packages:
     dependency: transitive
     description:
       name: args
-      sha256: "4cab82a83ffef80b262ddedf47a0a8e56ee6fbf7fe21e6e768b02792034dd440"
+      sha256: c372bb384f273f0c2a8aaaa226dad84dc27c8519a691b888725dec59518ad53a
       url: "https://pub.dev"
     source: hosted
-    version: "2.4.0"
+    version: "2.4.1"
   async:
     dependency: transitive
     description:
       name: async
-      sha256: bfe67ef28df125b7dddcea62755991f807aa39a2492a23e1550161692950bbe0
+      sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c"
       url: "https://pub.dev"
     source: hosted
-    version: "2.10.0"
+    version: "2.11.0"
   boolean_selector:
     dependency: transitive
     description:
@@ -61,10 +61,10 @@ packages:
     dependency: transitive
     description:
       name: build
-      sha256: "3fbda25365741f8251b39f3917fb3c8e286a96fd068a5a242e11c2012d495777"
+      sha256: "43865b79fbb78532e4bff7c33087aa43b1d488c4fdef014eaef568af6d8016dc"
       url: "https://pub.dev"
     source: hosted
-    version: "2.3.1"
+    version: "2.4.0"
   build_config:
     dependency: transitive
     description:
@@ -77,10 +77,10 @@ packages:
     dependency: transitive
     description:
       name: build_daemon
-      sha256: "757153e5d9cd88253cb13f28c2fb55a537dc31fefd98137549895b5beb7c6169"
+      sha256: "5f02d73eb2ba16483e693f80bee4f088563a820e47d1027d4cdfe62b5bb43e65"
       url: "https://pub.dev"
     source: hosted
-    version: "3.1.1"
+    version: "4.0.0"
   build_resolvers:
     dependency: transitive
     description:
@@ -93,18 +93,18 @@ packages:
     dependency: "direct dev"
     description:
       name: build_runner
-      sha256: b0a8a7b8a76c493e85f1b84bffa0588859a06197863dba8c9036b15581fd9727
+      sha256: "87e06c939450b9b94e3e1bb2d46e0e9780adbff5500d3969f2ba2de6bbb860cb"
       url: "https://pub.dev"
     source: hosted
-    version: "2.3.3"
+    version: "2.4.2"
   build_runner_core:
     dependency: transitive
     description:
       name: build_runner_core
-      sha256: "14febe0f5bac5ae474117a36099b4de6f1dbc52df6c5e55534b3da9591bf4292"
+      sha256: "30859c90e9ddaccc484f56303931f477b1f1ba2bab74aa32ed5d6ce15870f8cf"
       url: "https://pub.dev"
     source: hosted
-    version: "7.2.7"
+    version: "7.2.8"
   built_collection:
     dependency: transitive
     description:
@@ -117,26 +117,26 @@ packages:
     dependency: transitive
     description:
       name: built_value
-      sha256: "31b7c748fd4b9adf8d25d72a4c4a59ef119f12876cf414f94f8af5131d5fa2b0"
+      sha256: "2f17434bd5d52a26762043d6b43bb53b3acd029b4d9071a329f46d67ef297e6d"
       url: "https://pub.dev"
     source: hosted
-    version: "8.4.4"
+    version: "8.5.0"
   characters:
     dependency: transitive
     description:
       name: characters
-      sha256: e6a326c8af69605aec75ed6c187d06b349707a27fbff8222ca9cc2cff167975c
+      sha256: "04a925763edad70e8443c99234dc3328f442e811f1d8fd1a72f1c8ad0f69a605"
       url: "https://pub.dev"
     source: hosted
-    version: "1.2.1"
+    version: "1.3.0"
   checked_yaml:
     dependency: transitive
     description:
       name: checked_yaml
-      sha256: "3d1505d91afa809d177efd4eed5bb0eb65805097a1463abdd2add076effae311"
+      sha256: feb6bed21949061731a7a75fc5d2aa727cf160b91af9a3e464c5e3a32e28b5ff
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.2"
+    version: "2.0.3"
   ci:
     dependency: transitive
     description:
@@ -173,10 +173,10 @@ packages:
     dependency: transitive
     description:
       name: collection
-      sha256: cfc915e6923fe5ce6e153b0723c753045de46de1b4d63771530504004a45fae0
+      sha256: "4a07be6cb69c84d677a6c3096fcf960cc3285a8330b4603e0d463d15d9bd934c"
       url: "https://pub.dev"
     source: hosted
-    version: "1.17.0"
+    version: "1.17.1"
   convert:
     dependency: transitive
     description:
@@ -189,10 +189,10 @@ packages:
     dependency: transitive
     description:
       name: crypto
-      sha256: aa274aa7774f8964e4f4f38cc994db7b6158dd36e9187aaceaddc994b35c6c67
+      sha256: ff625774173754681d66daaf4a448684fb04b78f902da9cb3d308c19cc5e8bab
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.2"
+    version: "3.0.3"
   custom_lint:
     dependency: transitive
     description:
@@ -213,10 +213,10 @@ packages:
     dependency: transitive
     description:
       name: dart_style
-      sha256: "6d691edde054969f0e0f26abb1b30834b5138b963793e56f69d3a9a4435e6352"
+      sha256: f4f1f73ab3fd2afcbcca165ee601fe980d966af6a21b5970c6c9376955c528ad
       url: "https://pub.dev"
     source: hosted
-    version: "2.3.0"
+    version: "2.3.1"
   fake_async:
     dependency: transitive
     description:
@@ -229,10 +229,10 @@ packages:
     dependency: transitive
     description:
       name: ffi
-      sha256: a38574032c5f1dd06c4aee541789906c12ccaab8ba01446e800d9c5b79c4a978
+      sha256: ed5337a5660c506388a9f012be0288fb38b49020ce2b45fe1f8b8323fe429f99
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.1"
+    version: "2.0.2"
   file:
     dependency: transitive
     description:
@@ -305,10 +305,10 @@ packages:
     dependency: "direct dev"
     description:
       name: freezed
-      sha256: e819441678f1679b719008ff2ff0ef045d66eed9f9ec81166ca0d9b02a187454
+      sha256: "73b58fe836dc05594451d8f740d97d5167886962d628b9f60a1fe945aa0a891f"
       url: "https://pub.dev"
     source: hosted
-    version: "2.3.2"
+    version: "2.3.3"
   freezed_annotation:
     dependency: "direct main"
     description:
@@ -361,10 +361,10 @@ packages:
     dependency: transitive
     description:
       name: graphs
-      sha256: f9e130f3259f52d26f0cfc0e964513796dafed572fa52e45d2f8d6ca14db39b2
+      sha256: "772db3d53d23361d4ffcf5a9bb091cf3ee9b22f2be52cd107cd7a2683a89ba0e"
       url: "https://pub.dev"
     source: hosted
-    version: "2.2.0"
+    version: "2.3.0"
   hive:
     dependency: "direct main"
     description:
@@ -433,10 +433,10 @@ packages:
     dependency: "direct main"
     description:
       name: intl
-      sha256: "910f85bce16fb5c6f614e117efa303e85a1731bb0081edf3604a2ae6e9a3cc91"
+      sha256: a3715e3bc90294e971cb7dc063fbf3cd9ee0ebf8604ffeafabd9e6f16abbdbe6
       url: "https://pub.dev"
     source: hosted
-    version: "0.17.0"
+    version: "0.18.0"
   io:
     dependency: transitive
     description:
@@ -449,26 +449,26 @@ packages:
     dependency: transitive
     description:
       name: js
-      sha256: "5528c2f391ededb7775ec1daa69e65a2d61276f7552de2b5f7b8d34ee9fd4ab7"
+      sha256: f2c445dce49627136094980615a031419f7f3eb393237e4ecd97ac15dea343f3
       url: "https://pub.dev"
     source: hosted
-    version: "0.6.5"
+    version: "0.6.7"
   json_annotation:
     dependency: "direct main"
     description:
       name: json_annotation
-      sha256: c33da08e136c3df0190bd5bbe51ae1df4a7d96e7954d1d7249fea2968a72d317
+      sha256: b10a7b2ff83d83c777edba3c6a0f97045ddadd56c944e1a23a3fdf43a1bf4467
       url: "https://pub.dev"
     source: hosted
-    version: "4.8.0"
+    version: "4.8.1"
   json_serializable:
     dependency: "direct dev"
     description:
       name: json_serializable
-      sha256: dadc08bd61f72559f938dd08ec20dbfec6c709bba83515085ea943d2078d187a
+      sha256: "43793352f90efa5d8b251893a63d767b2f7c833120e3cc02adad55eefec04dc7"
       url: "https://pub.dev"
     source: hosted
-    version: "6.6.1"
+    version: "6.6.2"
   linkify:
     dependency: transitive
     description:
@@ -481,10 +481,10 @@ packages:
     dependency: transitive
     description:
       name: lints
-      sha256: "5e4a9cd06d447758280a8ac2405101e0e2094d2a1dbdd3756aec3fe7775ba593"
+      sha256: "6b0206b0bf4f04961fc5438198ccb3a885685cd67d4d4a32cc20ad7f8adbe015"
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.1"
+    version: "2.1.0"
   logging:
     dependency: transitive
     description:
@@ -497,10 +497,10 @@ packages:
     dependency: transitive
     description:
       name: matcher
-      sha256: "16db949ceee371e9b99d22f88fa3a73c4e59fd0afed0bd25fc336eb76c198b72"
+      sha256: "6501fbd55da300384b768785b83e5ce66991266cec21af89ab9ae7f5ce1c4cbb"
       url: "https://pub.dev"
     source: hosted
-    version: "0.12.13"
+    version: "0.12.15"
   material_color_utilities:
     dependency: transitive
     description:
@@ -513,10 +513,10 @@ packages:
     dependency: transitive
     description:
       name: meta
-      sha256: "6c268b42ed578a53088d834796959e4a1814b5e9e164f147f580a386e5decf42"
+      sha256: "3c74dbf8763d36539f114c799d8a2d87343b5067e9d796ca22b5eb8437090ee3"
       url: "https://pub.dev"
     source: hosted
-    version: "1.8.0"
+    version: "1.9.1"
   mime:
     dependency: transitive
     description:
@@ -545,26 +545,26 @@ packages:
     dependency: "direct main"
     description:
       name: paging_view
-      sha256: f892f5fafb276d994389fb5266934fc0c0fd7d7bcedb59a289c1780776770c41
+      sha256: a56adb688c35405efc93fb3e15ff0125e3c1271031b30a53ae73eeb901953439
       url: "https://pub.dev"
     source: hosted
-    version: "1.0.5"
+    version: "1.1.1"
   path:
     dependency: transitive
     description:
       name: path
-      sha256: db9d4f58c908a4ba5953fcee2ae317c94889433e5024c27ce74a37f94267945b
+      sha256: "8829d8a55c13fc0e37127c29fedf290c102f4e40ae94ada574091fe0ff96c917"
       url: "https://pub.dev"
     source: hosted
-    version: "1.8.2"
+    version: "1.8.3"
   path_provider:
     dependency: transitive
     description:
       name: path_provider
-      sha256: c7edf82217d4b2952b2129a61d3ad60f1075b9299e629e149a8d2e39c2e6aad4
+      sha256: "3087813781ab814e4157b172f1a11c46be20179fcc9bea043e0fba36bc0acaa2"
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.14"
+    version: "2.0.15"
   path_provider_android:
     dependency: transitive
     description:
@@ -577,10 +577,10 @@ packages:
     dependency: transitive
     description:
       name: path_provider_foundation
-      sha256: ad4c4d011830462633f03eb34445a45345673dfd4faf1ab0b4735fbd93b19183
+      sha256: "1995d88ec2948dac43edf8fe58eb434d35d22a2940ecee1a9fefcd62beee6eb3"
       url: "https://pub.dev"
     source: hosted
-    version: "2.2.2"
+    version: "2.2.3"
   path_provider_linux:
     dependency: transitive
     description:
@@ -617,10 +617,10 @@ packages:
     dependency: transitive
     description:
       name: petitparser
-      sha256: "49392a45ced973e8d94a85fdb21293fbb40ba805fc49f2965101ae748a3683b4"
+      sha256: cb3798bef7fc021ac45b308f4b51208a152792445cce0448c9a4ba5879dd8750
       url: "https://pub.dev"
     source: hosted
-    version: "5.1.0"
+    version: "5.4.0"
   platform:
     dependency: transitive
     description:
@@ -657,18 +657,18 @@ packages:
     dependency: transitive
     description:
       name: pub_semver
-      sha256: "307de764d305289ff24ad257ad5c5793ce56d04947599ad68b3baa124105fc17"
+      sha256: "40d3ab1bbd474c4c2328c91e3a7df8c6dd629b79ece4c4bd04bee496a224fb0c"
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.3"
+    version: "2.1.4"
   pubspec_parse:
     dependency: transitive
     description:
       name: pubspec_parse
-      sha256: ec85d7d55339d85f44ec2b682a82fea340071e8978257e5a43e69f79e98ef50c
+      sha256: c63b2876e58e194e4b0828fcb080ad0e06d051cb607a6be51a9e084f47cb9367
       url: "https://pub.dev"
     source: hosted
-    version: "1.2.2"
+    version: "1.2.3"
   quiver:
     dependency: "direct main"
     description:
@@ -721,18 +721,18 @@ packages:
     dependency: transitive
     description:
       name: shelf
-      sha256: c24a96135a2ccd62c64b69315a14adc5c3419df63b4d7c05832a346fdb73682c
+      sha256: ad29c505aee705f41a4d8963641f91ac4cee3c8fad5947e033390a7bd8180fa4
       url: "https://pub.dev"
     source: hosted
-    version: "1.4.0"
+    version: "1.4.1"
   shelf_web_socket:
     dependency: transitive
     description:
       name: shelf_web_socket
-      sha256: a988c0e8d8ffbdb8a28aa7ec8e449c260f3deb808781fe1284d22c5bba7156e8
+      sha256: "9ca081be41c60190ebcb4766b2486a7d50261db7bd0f5d9615f2d653637a84c1"
       url: "https://pub.dev"
     source: hosted
-    version: "1.0.3"
+    version: "1.0.4"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -750,10 +750,10 @@ packages:
     dependency: transitive
     description:
       name: source_gen
-      sha256: c2bea18c95cfa0276a366270afaa2850b09b4a76db95d546f3d003dcc7011298
+      sha256: "378a173055cd1fcd2a36e94bf254786d6812688b5f53b6038a2fd180a5a5e210"
       url: "https://pub.dev"
     source: hosted
-    version: "1.2.7"
+    version: "1.3.1"
   source_helper:
     dependency: transitive
     description:
@@ -830,10 +830,10 @@ packages:
     dependency: transitive
     description:
       name: test_api
-      sha256: ad540f65f92caa91bf21dfc8ffb8c589d6e4dc0c2267818b4cc2792857706206
+      sha256: eb6ac1540b26de412b3403a163d919ba86f6a973fe6cc50ae3541b80092fdcfb
       url: "https://pub.dev"
     source: hosted
-    version: "0.4.16"
+    version: "0.5.1"
   timing:
     dependency: transitive
     description:
@@ -846,18 +846,18 @@ packages:
     dependency: transitive
     description:
       name: typed_data
-      sha256: "26f87ade979c47a150c9eaab93ccd2bebe70a27dc0b4b29517f2904f04eb11a5"
+      sha256: facc8d6582f16042dd49f2463ff1bd6e2c9ef9f3d5da3d9b087e244a7b564b3c
       url: "https://pub.dev"
     source: hosted
-    version: "1.3.1"
+    version: "1.3.2"
   url_launcher:
     dependency: "direct main"
     description:
       name: url_launcher
-      sha256: "75f2846facd11168d007529d6cd8fcb2b750186bea046af9711f10b907e1587e"
+      sha256: eb1e00ab44303d50dd487aab67ebc575456c146c6af44422f9c13889984c00f3
       url: "https://pub.dev"
     source: hosted
-    version: "6.1.10"
+    version: "6.1.11"
   url_launcher_android:
     dependency: transitive
     description:
@@ -950,10 +950,10 @@ packages:
     dependency: transitive
     description:
       name: win32
-      sha256: dd8f9344bc305ae2923e3d11a2a911d9a4e2c7dd6fe0ed10626d63211a69676e
+      sha256: "5a751eddf9db89b3e5f9d50c20ab8612296e4e8db69009788d6c8b060a84191c"
       url: "https://pub.dev"
     source: hosted
-    version: "4.1.3"
+    version: "4.1.4"
   xdg_directories:
     dependency: transitive
     description:
@@ -966,18 +966,18 @@ packages:
     dependency: "direct main"
     description:
       name: xml
-      sha256: "979ee37d622dec6365e2efa4d906c37470995871fe9ae080d967e192d88286b5"
+      sha256: "5bc72e1e45e941d825fd7468b9b4cc3b9327942649aeb6fc5cdbf135f0a86e84"
       url: "https://pub.dev"
     source: hosted
-    version: "6.2.2"
+    version: "6.3.0"
   yaml:
     dependency: transitive
     description:
       name: yaml
-      sha256: "23812a9b125b48d4007117254bca50abb6c712352927eece9e155207b1db2370"
+      sha256: "75769501ea3489fca56601ff33454fe45507ea3bfb014161abc3b43ae25989d5"
       url: "https://pub.dev"
     source: hosted
-    version: "3.1.1"
+    version: "3.1.2"
 sdks:
-  dart: ">=2.19.0 <3.0.0"
-  flutter: ">=3.7.0"
+  dart: ">=3.0.0 <4.0.0"
+  flutter: ">=3.10.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index 98fd625..c670974 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -4,8 +4,8 @@ publish_to: 'none'
 version: 1.0.0+1
 
 environment:
-  sdk: '>=2.19.0 <3.0.0'
-  flutter: '>=3.7.0'
+  sdk: '>=3.0.0 <4.0.0'
+  flutter: '>=3.10.0'
 
 dependencies:
   flutter:
@@ -13,7 +13,7 @@ dependencies:
   flutter_localizations:
     sdk: flutter
 
-  intl: ^0.17.0
+  intl: ^0.18.0
   url_launcher: ^6.0.0
   xml: ^6.0.0
 
diff --git a/windows/CMakeLists.txt b/windows/CMakeLists.txt
index 5eb70ad..605e79e 100644
--- a/windows/CMakeLists.txt
+++ b/windows/CMakeLists.txt
@@ -52,6 +52,7 @@ add_subdirectory(${FLUTTER_MANAGED_DIR})
 # Application build; see runner/CMakeLists.txt.
 add_subdirectory("runner")
 
+
 # Generated plugin build rules, which manage building the plugins and adding
 # them to the application.
 include(flutter/generated_plugins.cmake)
diff --git a/windows/runner/utils.cpp b/windows/runner/utils.cpp
index f5bf9fa..b2b0873 100644
--- a/windows/runner/utils.cpp
+++ b/windows/runner/utils.cpp
@@ -47,16 +47,17 @@ std::string Utf8FromUtf16(const wchar_t* utf16_string) {
   }
   int target_length = ::WideCharToMultiByte(
       CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
-      -1, nullptr, 0, nullptr, nullptr);
+      -1, nullptr, 0, nullptr, nullptr)
+    -1; // remove the trailing null character
+  int input_length = (int)wcslen(utf16_string);
   std::string utf8_string;
-  if (target_length == 0 || target_length > utf8_string.max_size()) {
+  if (target_length <= 0 || target_length > utf8_string.max_size()) {
     return utf8_string;
   }
   utf8_string.resize(target_length);
   int converted_length = ::WideCharToMultiByte(
       CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
-      -1, utf8_string.data(),
-      target_length, nullptr, nullptr);
+      input_length, utf8_string.data(), target_length, nullptr, nullptr);
   if (converted_length == 0) {
     return std::string();
   }
diff --git a/windows/runner/win32_window.cpp b/windows/runner/win32_window.cpp
index 041a385..60608d0 100644
--- a/windows/runner/win32_window.cpp
+++ b/windows/runner/win32_window.cpp
@@ -60,7 +60,7 @@ class WindowClassRegistrar {
  public:
   ~WindowClassRegistrar() = default;
 
-  // Returns the singleton registar instance.
+  // Returns the singleton registrar instance.
   static WindowClassRegistrar* GetInstance() {
     if (!instance_) {
       instance_ = new WindowClassRegistrar();
diff --git a/windows/runner/win32_window.h b/windows/runner/win32_window.h
index c86632d..e901dde 100644
--- a/windows/runner/win32_window.h
+++ b/windows/runner/win32_window.h
@@ -77,7 +77,7 @@ class Win32Window {
   // OS callback called by message pump. Handles the WM_NCCREATE message which
   // is passed when the non-client area is being created and enables automatic
   // non-client DPI scaling so that the non-client area automatically
-  // responsponds to changes in DPI. All other messages are handled by
+  // responds to changes in DPI. All other messages are handled by
   // MessageHandler.
   static LRESULT CALLBACK WndProc(HWND const window,
                                   UINT const message,