🍱 Add app icon

✨ Multiple pages

android/app/src/main/AndroidManifest.xml

@@ -2,7 +2,7 @@
     <application
         android:label="simple_math_calc"
         android:name="${applicationName}"
-        android:icon="@mipmap/ic_launcher">
+        android:icon="@mipmap/launcher_icon">
         <activity
             android:name=".MainActivity"
             android:exported="true"

android/app/src/main/res/drawable-v21/launch_background.xml

@@ -1,12 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- Modify this file to customize your launch splash screen -->
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:drawable="?android:colorBackground" />
+    <item>
-
+        <bitmap android:gravity="fill" android:src="@drawable/background"/>
-    <!-- You can insert your own image assets here -->
+    </item>
-    <!-- <item>
+    <item>
-        <bitmap
+        <bitmap android:gravity="center" android:src="@drawable/splash"/>
-            android:gravity="center"
+    </item>
-            android:src="@mipmap/launch_image" />
-    </item> -->
 </layer-list>

android/app/src/main/res/drawable/launch_background.xml

@@ -1,12 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- Modify this file to customize your launch splash screen -->
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:drawable="@android:color/white" />
+    <item>
-
+        <bitmap android:gravity="fill" android:src="@drawable/background"/>
-    <!-- You can insert your own image assets here -->
+    </item>
-    <!-- <item>
+    <item>
-        <bitmap
+        <bitmap android:gravity="center" android:src="@drawable/splash"/>
-            android:gravity="center"
+    </item>
-            android:src="@mipmap/launch_image" />
-    </item> -->
 </layer-list>

android/app/src/main/res/values-night-v31/styles.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is on -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <item name="android:forceDarkAllowed">false</item>
+        <item name="android:windowFullscreen">false</item>
+        <item name="android:windowDrawsSystemBarBackgrounds">false</item>
+        <item name="android:windowLayoutInDisplayCutoutMode">shortEdges</item>
+    </style>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+         
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
+</resources>

android/app/src/main/res/values-night/styles.xml

@@ -5,6 +5,10 @@
         <!-- Show a splash screen on the activity. Automatically removed when
              the Flutter engine draws its first frame -->
         <item name="android:windowBackground">@drawable/launch_background</item>
+        <item name="android:forceDarkAllowed">false</item>
+        <item name="android:windowFullscreen">false</item>
+        <item name="android:windowDrawsSystemBarBackgrounds">false</item>
+        <item name="android:windowLayoutInDisplayCutoutMode">shortEdges</item>
     </style>
     <!-- Theme applied to the Android Window as soon as the process has started.
          This theme determines the color of the Android Window while your

android/app/src/main/res/values-v31/styles.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is off -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Light.NoTitleBar">
+        <item name="android:forceDarkAllowed">false</item>
+        <item name="android:windowFullscreen">false</item>
+        <item name="android:windowDrawsSystemBarBackgrounds">false</item>
+        <item name="android:windowLayoutInDisplayCutoutMode">shortEdges</item>
+    </style>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+         
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Light.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
+</resources>

android/app/src/main/res/values/styles.xml

@@ -5,6 +5,10 @@
         <!-- Show a splash screen on the activity. Automatically removed when
              the Flutter engine draws its first frame -->
         <item name="android:windowBackground">@drawable/launch_background</item>
+        <item name="android:forceDarkAllowed">false</item>
+        <item name="android:windowFullscreen">false</item>
+        <item name="android:windowDrawsSystemBarBackgrounds">false</item>
+        <item name="android:windowLayoutInDisplayCutoutMode">shortEdges</item>
     </style>
     <!-- Theme applied to the Android Window as soon as the process has started.
          This theme determines the color of the Android Window while your

ios/Podfile.lock

@@ -0,0 +1,29 @@
+PODS:
+  - Flutter (1.0.0)
+  - flutter_native_splash (2.4.3):
+    - Flutter
+  - path_provider_foundation (0.0.1):
+    - Flutter
+    - FlutterMacOS
+
+DEPENDENCIES:
+  - Flutter (from `Flutter`)
+  - flutter_native_splash (from `.symlinks/plugins/flutter_native_splash/ios`)
+  - path_provider_foundation (from `.symlinks/plugins/path_provider_foundation/darwin`)
+
+EXTERNAL SOURCES:
+  Flutter:
+    :path: Flutter
+  flutter_native_splash:
+    :path: ".symlinks/plugins/flutter_native_splash/ios"
+  path_provider_foundation:
+    :path: ".symlinks/plugins/path_provider_foundation/darwin"
+
+SPEC CHECKSUMS:
+  Flutter: cabc95a1d2626b1b06e7179b784ebcf0c0cde467
+  flutter_native_splash: c32d145d68aeda5502d5f543ee38c192065986cf
+  path_provider_foundation: 080d55be775b7414fd5a5ef3ac137b97b097e564
+
+PODFILE CHECKSUM: 3c63482e143d1b91d2d2560aee9fb04ecc74ac7e
+
+COCOAPODS: 1.16.2

ios/Runner.xcodeproj/project.pbxproj

@@ -8,12 +8,14 @@
 
 /* Begin PBXBuildFile section */
 		1498D2341E8E89220040F4C2 /* GeneratedPluginRegistrant.m in Sources */ = {isa = PBXBuildFile; fileRef = 1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */; };
+		192251534B553BDFE245A7A6 /* Pods_Runner.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 62F0BECE6836CAFF14202A0F /* Pods_Runner.framework */; };
 		331C808B294A63AB00263BE5 /* RunnerTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 331C807B294A618700263BE5 /* RunnerTests.swift */; };
 		3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */ = {isa = PBXBuildFile; fileRef = 3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */; };
 		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 */; };
+		F397DB814CC59F7F60396679 /* Pods_RunnerTests.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 6D569FF139660C03C66DAF3F /* Pods_RunnerTests.framework */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -42,9 +44,14 @@
 /* Begin PBXFileReference section */
 		1498D2321E8E86230040F4C2 /* GeneratedPluginRegistrant.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = GeneratedPluginRegistrant.h; sourceTree = "<group>"; };
 		1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = GeneratedPluginRegistrant.m; sourceTree = "<group>"; };
+		14EA99134C948AD659698B12 /* 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>"; };
 		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>"; };
+		4766296653CC7F86E4FDF96E /* 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>"; };
+		4C1CC5F96EC4EED144160B64 /* 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>"; };
+		62F0BECE6836CAFF14202A0F /* Pods_Runner.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_Runner.framework; sourceTree = BUILT_PRODUCTS_DIR; };
+		6D569FF139660C03C66DAF3F /* Pods_RunnerTests.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_RunnerTests.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		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>"; };
 		7AFA3C8E1D35360C0083082E /* Release.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; name = Release.xcconfig; path = Flutter/Release.xcconfig; sourceTree = "<group>"; };
@@ -55,6 +62,9 @@
 		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>"; };
+		BAC0E182EE058A579F8BAF8B /* 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>"; };
+		D2325C3115042CB4C1A30C20 /* 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>"; };
+		EA2DD3AF98ED146A30B33E80 /* 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>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -62,12 +72,35 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				192251534B553BDFE245A7A6 /* Pods_Runner.framework in Frameworks */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+		C67D59264A6B91E04EE0D429 /* Frameworks */ = {
+			isa = PBXFrameworksBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				F397DB814CC59F7F60396679 /* Pods_RunnerTests.framework in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
 /* End PBXFrameworksBuildPhase section */
 
 /* Begin PBXGroup section */
+		0D5FE6B3751F204B53864ADD /* Pods */ = {
+			isa = PBXGroup;
+			children = (
+				4C1CC5F96EC4EED144160B64 /* Pods-Runner.debug.xcconfig */,
+				4766296653CC7F86E4FDF96E /* Pods-Runner.release.xcconfig */,
+				14EA99134C948AD659698B12 /* Pods-Runner.profile.xcconfig */,
+				D2325C3115042CB4C1A30C20 /* Pods-RunnerTests.debug.xcconfig */,
+				EA2DD3AF98ED146A30B33E80 /* Pods-RunnerTests.release.xcconfig */,
+				BAC0E182EE058A579F8BAF8B /* Pods-RunnerTests.profile.xcconfig */,
+			);
+			name = Pods;
+			path = Pods;
+			sourceTree = "<group>";
+		};
 		331C8082294A63A400263BE5 /* RunnerTests */ = {
 			isa = PBXGroup;
 			children = (
@@ -76,6 +109,15 @@
 			path = RunnerTests;
 			sourceTree = "<group>";
 		};
+		7DB90303BBE910826075E857 /* Frameworks */ = {
+			isa = PBXGroup;
+			children = (
+				62F0BECE6836CAFF14202A0F /* Pods_Runner.framework */,
+				6D569FF139660C03C66DAF3F /* Pods_RunnerTests.framework */,
+			);
+			name = Frameworks;
+			sourceTree = "<group>";
+		};
 		9740EEB11CF90186004384FC /* Flutter */ = {
 			isa = PBXGroup;
 			children = (
@@ -94,6 +136,8 @@
 				97C146F01CF9000F007C117D /* Runner */,
 				97C146EF1CF9000F007C117D /* Products */,
 				331C8082294A63A400263BE5 /* RunnerTests */,
+				0D5FE6B3751F204B53864ADD /* Pods */,
+				7DB90303BBE910826075E857 /* Frameworks */,
 			);
 			sourceTree = "<group>";
 		};
@@ -128,8 +172,10 @@
 			isa = PBXNativeTarget;
 			buildConfigurationList = 331C8087294A63A400263BE5 /* Build configuration list for PBXNativeTarget "RunnerTests" */;
 			buildPhases = (
+				AA03816EC30BB68E2A727AC7 /* [CP] Check Pods Manifest.lock */,
 				331C807D294A63A400263BE5 /* Sources */,
 				331C807F294A63A400263BE5 /* Resources */,
+				C67D59264A6B91E04EE0D429 /* Frameworks */,
 			);
 			buildRules = (
 			);
@@ -145,12 +191,14 @@
 			isa = PBXNativeTarget;
 			buildConfigurationList = 97C147051CF9000F007C117D /* Build configuration list for PBXNativeTarget "Runner" */;
 			buildPhases = (
+				9A125E927908EE0DB6561956 /* [CP] Check Pods Manifest.lock */,
 				9740EEB61CF901F6004384FC /* Run Script */,
 				97C146EA1CF9000F007C117D /* Sources */,
 				97C146EB1CF9000F007C117D /* Frameworks */,
 				97C146EC1CF9000F007C117D /* Resources */,
 				9705A1C41CF9048500538489 /* Embed Frameworks */,
 				3B06AD1E1E4923F5004D2608 /* Thin Binary */,
+				837BB4DB550AC6AACB7F8212 /* [CP] Embed Pods Frameworks */,
 			);
 			buildRules = (
 			);
@@ -238,6 +286,23 @@
 			shellPath = /bin/sh;
 			shellScript = "/bin/sh \"$FLUTTER_ROOT/packages/flutter_tools/bin/xcode_backend.sh\" embed_and_thin";
 		};
+		837BB4DB550AC6AACB7F8212 /* [CP] Embed Pods Frameworks */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputFileListPaths = (
+				"${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;
+		};
 		9740EEB61CF901F6004384FC /* Run Script */ = {
 			isa = PBXShellScriptBuildPhase;
 			alwaysOutOfDate = 1;
@@ -253,6 +318,50 @@
 			shellPath = /bin/sh;
 			shellScript = "/bin/sh \"$FLUTTER_ROOT/packages/flutter_tools/bin/xcode_backend.sh\" build";
 		};
+		9A125E927908EE0DB6561956 /* [CP] Check Pods Manifest.lock */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputFileListPaths = (
+			);
+			inputPaths = (
+				"${PODS_PODFILE_DIR_PATH}/Podfile.lock",
+				"${PODS_ROOT}/Manifest.lock",
+			);
+			name = "[CP] Check Pods Manifest.lock";
+			outputFileListPaths = (
+			);
+			outputPaths = (
+				"$(DERIVED_FILE_DIR)/Pods-Runner-checkManifestLockResult.txt",
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			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;
+		};
+		AA03816EC30BB68E2A727AC7 /* [CP] Check Pods Manifest.lock */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputFileListPaths = (
+			);
+			inputPaths = (
+				"${PODS_PODFILE_DIR_PATH}/Podfile.lock",
+				"${PODS_ROOT}/Manifest.lock",
+			);
+			name = "[CP] Check Pods Manifest.lock";
+			outputFileListPaths = (
+			);
+			outputPaths = (
+				"$(DERIVED_FILE_DIR)/Pods-RunnerTests-checkManifestLockResult.txt",
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "diff \"${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;
+		};
 /* End PBXShellScriptBuildPhase section */
 
 /* Begin PBXSourcesBuildPhase section */
@@ -379,6 +488,7 @@
 		};
 		331C8088294A63A400263BE5 /* Debug */ = {
 			isa = XCBuildConfiguration;
+			baseConfigurationReference = D2325C3115042CB4C1A30C20 /* Pods-RunnerTests.debug.xcconfig */;
 			buildSettings = {
 				BUNDLE_LOADER = "$(TEST_HOST)";
 				CODE_SIGN_STYLE = Automatic;
@@ -396,6 +506,7 @@
 		};
 		331C8089294A63A400263BE5 /* Release */ = {
 			isa = XCBuildConfiguration;
+			baseConfigurationReference = EA2DD3AF98ED146A30B33E80 /* Pods-RunnerTests.release.xcconfig */;
 			buildSettings = {
 				BUNDLE_LOADER = "$(TEST_HOST)";
 				CODE_SIGN_STYLE = Automatic;
@@ -411,6 +522,7 @@
 		};
 		331C808A294A63A400263BE5 /* Profile */ = {
 			isa = XCBuildConfiguration;
+			baseConfigurationReference = BAC0E182EE058A579F8BAF8B /* Pods-RunnerTests.profile.xcconfig */;
 			buildSettings = {
 				BUNDLE_LOADER = "$(TEST_HOST)";
 				CODE_SIGN_STYLE = Automatic;
@@ -428,7 +540,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
-				ASSETCATALOG_COMPILER_GENERATE_SWIFT_ASSET_SYMBOL_EXTENSIONS = YES;
+				ASSETCATALOG_COMPILER_GENERATE_SWIFT_ASSET_SYMBOL_EXTENSIONS = AppIcon;
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_CXX_LIBRARY = "libc++";
@@ -485,7 +597,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
-				ASSETCATALOG_COMPILER_GENERATE_SWIFT_ASSET_SYMBOL_EXTENSIONS = YES;
+				ASSETCATALOG_COMPILER_GENERATE_SWIFT_ASSET_SYMBOL_EXTENSIONS = AppIcon;
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_CXX_LIBRARY = "libc++";

ios/Runner.xcworkspace/contents.xcworkspacedata

@@ -4,4 +4,7 @@
    <FileRef
       location = "group:Runner.xcodeproj">
    </FileRef>
+   <FileRef
+      location = "group:Pods/Pods.xcodeproj">
+   </FileRef>
 </Workspace>

ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -1,122 +1 @@
-{
+{"images":[{"size":"20x20","idiom":"iphone","filename":"Icon-App-20x20@2x.png","scale":"2x"},{"size":"20x20","idiom":"iphone","filename":"Icon-App-20x20@3x.png","scale":"3x"},{"size":"29x29","idiom":"iphone","filename":"Icon-App-29x29@1x.png","scale":"1x"},{"size":"29x29","idiom":"iphone","filename":"Icon-App-29x29@2x.png","scale":"2x"},{"size":"29x29","idiom":"iphone","filename":"Icon-App-29x29@3x.png","scale":"3x"},{"size":"40x40","idiom":"iphone","filename":"Icon-App-40x40@2x.png","scale":"2x"},{"size":"40x40","idiom":"iphone","filename":"Icon-App-40x40@3x.png","scale":"3x"},{"size":"57x57","idiom":"iphone","filename":"Icon-App-57x57@1x.png","scale":"1x"},{"size":"57x57","idiom":"iphone","filename":"Icon-App-57x57@2x.png","scale":"2x"},{"size":"60x60","idiom":"iphone","filename":"Icon-App-60x60@2x.png","scale":"2x"},{"size":"60x60","idiom":"iphone","filename":"Icon-App-60x60@3x.png","scale":"3x"},{"size":"20x20","idiom":"ipad","filename":"Icon-App-20x20@1x.png","scale":"1x"},{"size":"20x20","idiom":"ipad","filename":"Icon-App-20x20@2x.png","scale":"2x"},{"size":"29x29","idiom":"ipad","filename":"Icon-App-29x29@1x.png","scale":"1x"},{"size":"29x29","idiom":"ipad","filename":"Icon-App-29x29@2x.png","scale":"2x"},{"size":"40x40","idiom":"ipad","filename":"Icon-App-40x40@1x.png","scale":"1x"},{"size":"40x40","idiom":"ipad","filename":"Icon-App-40x40@2x.png","scale":"2x"},{"size":"50x50","idiom":"ipad","filename":"Icon-App-50x50@1x.png","scale":"1x"},{"size":"50x50","idiom":"ipad","filename":"Icon-App-50x50@2x.png","scale":"2x"},{"size":"72x72","idiom":"ipad","filename":"Icon-App-72x72@1x.png","scale":"1x"},{"size":"72x72","idiom":"ipad","filename":"Icon-App-72x72@2x.png","scale":"2x"},{"size":"76x76","idiom":"ipad","filename":"Icon-App-76x76@1x.png","scale":"1x"},{"size":"76x76","idiom":"ipad","filename":"Icon-App-76x76@2x.png","scale":"2x"},{"size":"83.5x83.5","idiom":"ipad","filename":"Icon-App-83.5x83.5@2x.png","scale":"2x"},{"size":"1024x1024","idiom":"ios-marketing","filename":"Icon-App-1024x1024@1x.png","scale":"1x"}],"info":{"version":1,"author":"xcode"}}
-  "images" : [
-    {
-      "size" : "20x20",
-      "idiom" : "iphone",
-      "filename" : "Icon-App-20x20@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "20x20",
-      "idiom" : "iphone",
-      "filename" : "Icon-App-20x20@3x.png",
-      "scale" : "3x"
-    },
-    {
-      "size" : "29x29",
-      "idiom" : "iphone",
-      "filename" : "Icon-App-29x29@1x.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "29x29",
-      "idiom" : "iphone",
-      "filename" : "Icon-App-29x29@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "29x29",
-      "idiom" : "iphone",
-      "filename" : "Icon-App-29x29@3x.png",
-      "scale" : "3x"
-    },
-    {
-      "size" : "40x40",
-      "idiom" : "iphone",
-      "filename" : "Icon-App-40x40@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "40x40",
-      "idiom" : "iphone",
-      "filename" : "Icon-App-40x40@3x.png",
-      "scale" : "3x"
-    },
-    {
-      "size" : "60x60",
-      "idiom" : "iphone",
-      "filename" : "Icon-App-60x60@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "60x60",
-      "idiom" : "iphone",
-      "filename" : "Icon-App-60x60@3x.png",
-      "scale" : "3x"
-    },
-    {
-      "size" : "20x20",
-      "idiom" : "ipad",
-      "filename" : "Icon-App-20x20@1x.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "20x20",
-      "idiom" : "ipad",
-      "filename" : "Icon-App-20x20@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "29x29",
-      "idiom" : "ipad",
-      "filename" : "Icon-App-29x29@1x.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "29x29",
-      "idiom" : "ipad",
-      "filename" : "Icon-App-29x29@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "40x40",
-      "idiom" : "ipad",
-      "filename" : "Icon-App-40x40@1x.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "40x40",
-      "idiom" : "ipad",
-      "filename" : "Icon-App-40x40@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "76x76",
-      "idiom" : "ipad",
-      "filename" : "Icon-App-76x76@1x.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "76x76",
-      "idiom" : "ipad",
-      "filename" : "Icon-App-76x76@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "83.5x83.5",
-      "idiom" : "ipad",
-      "filename" : "Icon-App-83.5x83.5@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "1024x1024",
-      "idiom" : "ios-marketing",
-      "filename" : "Icon-App-1024x1024@1x.png",
-      "scale" : "1x"
-    }
-  ],
-  "info" : {
-    "version" : 1,
-    "author" : "xcode"
-  }
-}

ios/Runner/Assets.xcassets/LaunchBackground.imageset/Contents.json

@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "filename" : "background.png",
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json

@@ -1,23 +1,23 @@
 {
   "images" : [
     {
-      "idiom" : "universal",
       "filename" : "LaunchImage.png",
+      "idiom" : "universal",
       "scale" : "1x"
     },
     {
-      "idiom" : "universal",
       "filename" : "LaunchImage@2x.png",
+      "idiom" : "universal",
       "scale" : "2x"
     },
     {
-      "idiom" : "universal",
       "filename" : "LaunchImage@3x.png",
+      "idiom" : "universal",
       "scale" : "3x"
     }
   ],
   "info" : {
-    "version" : 1,
+    "author" : "xcode",
-    "author" : "xcode"
+    "version" : 1
   }
 }

ios/Runner/Base.lproj/LaunchScreen.storyboard

@@ -16,13 +16,19 @@
                     <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <subviews>
-                            <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4">
+                            <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleToFill" image="LaunchBackground" translatesAutoresizingMaskIntoConstraints="NO" id="tWc-Dq-wcI"/>
-                            </imageView>
+                            <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4"></imageView>
                         </subviews>
                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <constraints>
-                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerX" secondItem="Ze5-6b-2t3" secondAttribute="centerX" id="1a2-6s-vTC"/>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="leading" secondItem="Ze5-6b-2t3" secondAttribute="leading" id="3T2-ad-Qdv"/>
-                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerY" secondItem="Ze5-6b-2t3" secondAttribute="centerY" id="4X2-HB-R7a"/>
+                            <constraint firstItem="tWc-Dq-wcI" firstAttribute="bottom" secondItem="Ze5-6b-2t3" secondAttribute="bottom" id="RPx-PI-7Xg"/>
+                            <constraint firstItem="tWc-Dq-wcI" firstAttribute="top" secondItem="Ze5-6b-2t3" secondAttribute="top" id="SdS-ul-q2q"/>
+                            <constraint firstAttribute="trailing" secondItem="tWc-Dq-wcI" secondAttribute="trailing" id="Swv-Gf-Rwn"/>
+                            <constraint firstAttribute="trailing" secondItem="YRO-k0-Ey4" secondAttribute="trailing" id="TQA-XW-tRk"/>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="bottom" secondItem="Ze5-6b-2t3" secondAttribute="bottom" id="duK-uY-Gun"/>
+                            <constraint firstItem="tWc-Dq-wcI" firstAttribute="leading" secondItem="Ze5-6b-2t3" secondAttribute="leading" id="kV7-tw-vXt"/>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="top" secondItem="Ze5-6b-2t3" secondAttribute="top" id="xPn-NY-SIU"/>
                         </constraints>
                     </view>
                 </viewController>
@@ -32,6 +38,7 @@
         </scene>
     </scenes>
     <resources>
-        <image name="LaunchImage" width="168" height="185"/>
+        <image name="LaunchImage" width="1024" height="1024"/>
+        <image name="LaunchBackground" width="1" height="1"/>
     </resources>
 </document>

ios/Runner/Info.plist

@@ -1,49 +1,51 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
-<dict>
+	<dict>
-	<key>CFBundleDevelopmentRegion</key>
+		<key>CFBundleDevelopmentRegion</key>
-	<string>$(DEVELOPMENT_LANGUAGE)</string>
+		<string>$(DEVELOPMENT_LANGUAGE)</string>
-	<key>CFBundleDisplayName</key>
+		<key>CFBundleDisplayName</key>
-	<string>Simple Math Calc</string>
+		<string>Simple Math Calc</string>
-	<key>CFBundleExecutable</key>
+		<key>CFBundleExecutable</key>
-	<string>$(EXECUTABLE_NAME)</string>
+		<string>$(EXECUTABLE_NAME)</string>
-	<key>CFBundleIdentifier</key>
+		<key>CFBundleIdentifier</key>
-	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+		<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
-	<key>CFBundleInfoDictionaryVersion</key>
+		<key>CFBundleInfoDictionaryVersion</key>
-	<string>6.0</string>
+		<string>6.0</string>
-	<key>CFBundleName</key>
+		<key>CFBundleName</key>
-	<string>simple_math_calc</string>
+		<string>simple_math_calc</string>
-	<key>CFBundlePackageType</key>
+		<key>CFBundlePackageType</key>
-	<string>APPL</string>
+		<string>APPL</string>
-	<key>CFBundleShortVersionString</key>
+		<key>CFBundleShortVersionString</key>
-	<string>$(FLUTTER_BUILD_NAME)</string>
+		<string>$(FLUTTER_BUILD_NAME)</string>
-	<key>CFBundleSignature</key>
+		<key>CFBundleSignature</key>
-	<string>????</string>
+		<string>????</string>
-	<key>CFBundleVersion</key>
+		<key>CFBundleVersion</key>
-	<string>$(FLUTTER_BUILD_NUMBER)</string>
+		<string>$(FLUTTER_BUILD_NUMBER)</string>
-	<key>LSRequiresIPhoneOS</key>
+		<key>LSRequiresIPhoneOS</key>
-	<true/>
+		<true/>
-	<key>UILaunchStoryboardName</key>
+		<key>UILaunchStoryboardName</key>
-	<string>LaunchScreen</string>
+		<string>LaunchScreen</string>
-	<key>UIMainStoryboardFile</key>
+		<key>UIMainStoryboardFile</key>
-	<string>Main</string>
+		<string>Main</string>
-	<key>UISupportedInterfaceOrientations</key>
+		<key>UISupportedInterfaceOrientations</key>
-	<array>
+		<array>
-		<string>UIInterfaceOrientationPortrait</string>
+			<string>UIInterfaceOrientationPortrait</string>
-		<string>UIInterfaceOrientationLandscapeLeft</string>
+			<string>UIInterfaceOrientationLandscapeLeft</string>
-		<string>UIInterfaceOrientationLandscapeRight</string>
+			<string>UIInterfaceOrientationLandscapeRight</string>
-	</array>
+		</array>
-	<key>UISupportedInterfaceOrientations~ipad</key>
+		<key>UISupportedInterfaceOrientations~ipad</key>
-	<array>
+		<array>
-		<string>UIInterfaceOrientationPortrait</string>
+			<string>UIInterfaceOrientationPortrait</string>
-		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+			<string>UIInterfaceOrientationPortraitUpsideDown</string>
-		<string>UIInterfaceOrientationLandscapeLeft</string>
+			<string>UIInterfaceOrientationLandscapeLeft</string>
-		<string>UIInterfaceOrientationLandscapeRight</string>
+			<string>UIInterfaceOrientationLandscapeRight</string>
-	</array>
+		</array>
-	<key>CADisableMinimumFrameDurationOnPhone</key>
+		<key>CADisableMinimumFrameDurationOnPhone</key>
-	<true/>
+		<true/>
-	<key>UIApplicationSupportsIndirectInputEvents</key>
+		<key>UIApplicationSupportsIndirectInputEvents</key>
-	<true/>
+		<true/>
-</dict>
+		<key>UIStatusBarHidden</key>
+		<false/>
+	</dict>
 </plist>

lib/main.dart

@@ -1,9 +1,11 @@
 import 'package:flutter/material.dart';
 import 'package:google_fonts/google_fonts.dart';
-import 'package:latext/latext.dart';
+import 'package:go_router/go_router.dart';
-import 'package:simple_math_calc/models/calculation_step.dart';
+import 'screens/home_screen.dart';
-import 'package:simple_math_calc/solver.dart';
+
-import 'dart:math';
+final GoRouter _router = GoRouter(
+  routes: [GoRoute(path: '/', builder: (context, state) => const HomeScreen())],
+);
 
 void main() async {
   runApp(const CalcApp());
@@ -14,7 +16,7 @@ class CalcApp extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return MaterialApp(
+    return MaterialApp.router(
       title: '方程计算器',
       theme: ThemeData(
         primarySwatch: Colors.blue,
@@ -23,197 +25,14 @@ class CalcApp extends StatelessWidget {
           Theme.of(context).textTheme, // Inherit existing text theme
         ),
       ),
-      home: const CalculatorHomePage(),
+      darkTheme: ThemeData.dark().copyWith(
-    );
+        primaryColor: Colors.blue,
-  }
+        textTheme: GoogleFonts.notoSerifScTextTheme(
-}
+          Theme.of(context).textTheme,
-
-class CalculatorHomePage extends StatefulWidget {
-  const CalculatorHomePage({super.key});
-
-  @override
-  State<CalculatorHomePage> createState() => _CalculatorHomePageState();
-}
-
-class _CalculatorHomePageState extends State<CalculatorHomePage> {
-  final TextEditingController _controller = TextEditingController();
-  final SolverService _solverService = SolverService();
-
-  CalculationResult? _result;
-  bool _isLoading = false;
-
-  void _solveEquation() {
-    if (_controller.text.isEmpty) {
-      return;
-    }
-    setState(() {
-      _isLoading = true;
-      _result = null; // 清除上次结果
-    });
-
-    try {
-      // 调用核心服务来解决问题
-      final result = _solverService.solve(_controller.text);
-      setState(() {
-        _result = result;
-      });
-    } catch (e) {
-      // 错误处理
-      setState(() {
-        _result = CalculationResult(
-          steps: [],
-          finalAnswer: "错误: ${e.toString()}",
-        );
-      });
-    } finally {
-      setState(() {
-        _isLoading = false;
-      });
-    }
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return Scaffold(
-      appBar: AppBar(
-        title: const Text('方程与表达式计算器'),
-        centerTitle: false,
-        leading: const Icon(Icons.calculate_outlined),
-      ),
-      body: Column(
-        children: [
-          Padding(
-            padding: const EdgeInsets.only(left: 16.0, right: 16.0, top: 16.0),
-            child: Row(
-              spacing: 8,
-              children: [
-                Expanded(
-                  child: TextField(
-                    controller: _controller,
-                    textAlign: TextAlign.center,
-                    decoration: InputDecoration(
-                      border: const OutlineInputBorder(),
-                      labelText: '输入方程或表达式',
-                      floatingLabelAlignment: FloatingLabelAlignment.center,
-                      hintText: '例如: 2x^2 - 8x + 6 = 0',
-                    ),
-                    onSubmitted: (_) => _solveEquation(),
-                  ),
-                ),
-                IconButton(
-                  onPressed: _solveEquation,
-                  icon: Icon(Icons.play_arrow),
-                ),
-              ],
-            ),
-          ),
-          Expanded(
-            child: _isLoading
-                ? const Center(child: CircularProgressIndicator())
-                : _result == null
-                ? const Center(child: Text('请输入方程开始计算'))
-                : buildResultView(_result!),
-          ),
-        ],
-      ),
-    );
-  }
-
-  // 构建结果展示视图
-  Widget buildResultView(CalculationResult result) {
-    return ListView(
-      padding: EdgeInsets.only(
-        left: 16,
-        right: 16,
-        bottom: MediaQuery.of(context).padding.bottom + 16,
-        top: 16,
-      ),
-      children: [
-        ...result.steps.map(
-          (step) => Card(
-            margin: const EdgeInsets.symmetric(vertical: 8),
-            child: ClipRRect(
-              borderRadius: const BorderRadius.all(Radius.circular(8)),
-              child: Stack(
-                children: [
-                  Padding(
-                    padding: const EdgeInsets.only(
-                      left: 12,
-                      right: 12,
-                      bottom: 4,
-                      top: 16,
-                    ),
-                    child: Column(
-                      crossAxisAlignment: CrossAxisAlignment.center,
-                      children: [
-                        Text(
-                          step.title,
-                          style: Theme.of(context).textTheme.titleMedium,
-                        ),
-                        const SizedBox(height: 4),
-                        SelectableText(step.explanation),
-                        Center(
-                          child: LaTexT(
-                            laTeXCode: Text(
-                              step.formula,
-                              style: Theme.of(context).textTheme.titleMedium,
-                            ),
-                          ),
-                        ),
-                      ],
-                    ),
-                  ),
-                  Positioned(
-                    left: -8,
-                    top: -8,
-                    child: Transform.rotate(
-                      angle: pi / -5,
-                      child: Opacity(
-                        opacity: 0.8,
-                        child: Badge(
-                          backgroundColor: Theme.of(
-                            context,
-                          ).colorScheme.primary,
-                          label: Text(
-                            step.stepNumber.toString(),
-                            style: TextStyle(fontSize: 32),
-                          ),
-                        ),
-                      ),
-                    ),
-                  ),
-                ],
-              ),
-            ),
-          ),
         ),
-        const SizedBox(height: 10),
+      ),
-        Card(
+      themeMode: ThemeMode.system,
-          color: Theme.of(context).colorScheme.primaryContainer,
+      routerConfig: _router,
-          child: Padding(
-            padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
-            child: Column(
-              children: [
-                const SizedBox(height: 16),
-                Text(
-                  "最终答案",
-                  style: Theme.of(context).textTheme.titleLarge?.copyWith(
-                    color: Theme.of(context).colorScheme.onPrimaryContainer,
-                  ),
-                ),
-                LaTexT(
-                  laTeXCode: Text(
-                    result.finalAnswer,
-                    style: Theme.of(context).textTheme.titleMedium?.copyWith(
-                      color: Theme.of(context).colorScheme.onPrimaryContainer,
-                    ),
-                  ),
-                ),
-              ],
-            ),
-          ),
-        ),
-      ],
     );
   }
 }

lib/screens/about_page.dart

@@ -0,0 +1,50 @@
+import 'package:flutter/material.dart';
+
+class AboutPage extends StatelessWidget {
+  const AboutPage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: const Text('About')),
+      body: Padding(
+        padding: const EdgeInsets.all(16.0),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.center,
+          children: [
+            const SizedBox(height: 20),
+            Icon(
+              Icons.calculate,
+              size: 80,
+              color: Theme.of(context).colorScheme.primary,
+            ),
+            const SizedBox(height: 20),
+            Text(
+              '方程计算器',
+              style: Theme.of(context).textTheme.headlineMedium,
+              textAlign: TextAlign.center,
+            ),
+            const SizedBox(height: 10),
+            Text(
+              'Version 1.0.0',
+              style: Theme.of(context).textTheme.bodyLarge,
+              textAlign: TextAlign.center,
+            ),
+            const SizedBox(height: 20),
+            Text(
+              '这是一个用于求解方程和表达式的计算器应用。\n\n支持多种类型的数学计算，包括代数方程、表达式求值等。',
+              style: Theme.of(context).textTheme.bodyMedium,
+              textAlign: TextAlign.center,
+            ),
+            const SizedBox(height: 30),
+            Text(
+              '© 2025 Simple Math Calculator',
+              style: Theme.of(context).textTheme.bodySmall,
+              textAlign: TextAlign.center,
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/screens/calculator_home_page.dart

@@ -0,0 +1,195 @@
+import 'package:flutter/material.dart';
+import 'package:latext/latext.dart';
+import 'package:simple_math_calc/models/calculation_step.dart';
+import 'package:simple_math_calc/solver.dart';
+import 'dart:math';
+
+class CalculatorHomePage extends StatefulWidget {
+  const CalculatorHomePage({super.key});
+
+  @override
+  State<CalculatorHomePage> createState() => _CalculatorHomePageState();
+}
+
+class _CalculatorHomePageState extends State<CalculatorHomePage> {
+  final TextEditingController _controller = TextEditingController();
+  final SolverService _solverService = SolverService();
+
+  CalculationResult? _result;
+  bool _isLoading = false;
+
+  void _solveEquation() {
+    if (_controller.text.isEmpty) {
+      return;
+    }
+    setState(() {
+      _isLoading = true;
+      _result = null; // 清除上次结果
+    });
+
+    try {
+      // 调用核心服务来解决问题
+      final result = _solverService.solve(_controller.text);
+      setState(() {
+        _result = result;
+      });
+    } catch (e) {
+      // 错误处理
+      setState(() {
+        _result = CalculationResult(
+          steps: [],
+          finalAnswer: "错误: ${e.toString()}",
+        );
+      });
+    } finally {
+      setState(() {
+        _isLoading = false;
+      });
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('方程与表达式计算器'),
+        centerTitle: false,
+        leading: const Icon(Icons.calculate_outlined),
+      ),
+      body: Column(
+        children: [
+          Padding(
+            padding: const EdgeInsets.only(left: 16.0, right: 16.0, top: 16.0),
+            child: Row(
+              spacing: 8,
+              children: [
+                Expanded(
+                  child: TextField(
+                    controller: _controller,
+                    textAlign: TextAlign.center,
+                    decoration: InputDecoration(
+                      border: const OutlineInputBorder(),
+                      labelText: '输入方程或表达式',
+                      floatingLabelAlignment: FloatingLabelAlignment.center,
+                      hintText: '例如: 2x^2 - 8x + 6 = 0',
+                    ),
+                    onSubmitted: (_) => _solveEquation(),
+                  ),
+                ),
+                IconButton(
+                  onPressed: _solveEquation,
+                  icon: Icon(Icons.play_arrow),
+                ),
+              ],
+            ),
+          ),
+          Expanded(
+            child: _isLoading
+                ? const Center(child: CircularProgressIndicator())
+                : _result == null
+                ? const Center(child: Text('请输入方程开始计算'))
+                : buildResultView(_result!),
+          ),
+        ],
+      ),
+    );
+  }
+
+  // 构建结果展示视图
+  Widget buildResultView(CalculationResult result) {
+    return ListView(
+      padding: EdgeInsets.only(
+        left: 16,
+        right: 16,
+        bottom: MediaQuery.of(context).padding.bottom + 16,
+        top: 16,
+      ),
+      children: [
+        ...result.steps.map(
+          (step) => Card(
+            margin: const EdgeInsets.symmetric(vertical: 8),
+            child: ClipRRect(
+              borderRadius: const BorderRadius.all(Radius.circular(8)),
+              child: Stack(
+                children: [
+                  Padding(
+                    padding: const EdgeInsets.only(
+                      left: 12,
+                      right: 12,
+                      bottom: 4,
+                      top: 16,
+                    ),
+                    child: Column(
+                      crossAxisAlignment: CrossAxisAlignment.center,
+                      children: [
+                        Text(
+                          step.title,
+                          style: Theme.of(context).textTheme.titleMedium,
+                        ),
+                        const SizedBox(height: 4),
+                        SelectableText(step.explanation),
+                        Center(
+                          child: LaTexT(
+                            laTeXCode: Text(
+                              step.formula,
+                              style: Theme.of(context).textTheme.titleMedium,
+                            ),
+                          ),
+                        ),
+                      ],
+                    ),
+                  ),
+                  Positioned(
+                    left: -8,
+                    top: -8,
+                    child: Transform.rotate(
+                      angle: pi / -5,
+                      child: Opacity(
+                        opacity: 0.8,
+                        child: Badge(
+                          backgroundColor: Theme.of(
+                            context,
+                          ).colorScheme.primary,
+                          label: Text(
+                            step.stepNumber.toString(),
+                            style: TextStyle(fontSize: 32),
+                          ),
+                        ),
+                      ),
+                    ),
+                  ),
+                ],
+              ),
+            ),
+          ),
+        ),
+        const SizedBox(height: 10),
+        Card(
+          color: Theme.of(context).colorScheme.primaryContainer,
+          child: Padding(
+            padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
+            child: Column(
+              children: [
+                const SizedBox(height: 16),
+                Text(
+                  "最终答案",
+                  style: Theme.of(context).textTheme.titleLarge?.copyWith(
+                    color: Theme.of(context).colorScheme.onPrimaryContainer,
+                  ),
+                ),
+                LaTexT(
+                  laTeXCode: Text(
+                    result.finalAnswer,
+                    style: Theme.of(context).textTheme.titleMedium?.copyWith(
+                      color: Theme.of(context).colorScheme.onPrimaryContainer,
+                    ),
+                  ),
+                ),
+              ],
+            ),
+          ),
+        ),
+      ],
+    );
+  }
+}

lib/screens/home_screen.dart

@@ -0,0 +1,43 @@
+import 'package:flutter/material.dart';
+import 'calculator_home_page.dart';
+import 'about_page.dart';
+
+class HomeScreen extends StatefulWidget {
+  const HomeScreen({super.key});
+
+  @override
+  State<HomeScreen> createState() => _HomeScreenState();
+}
+
+class _HomeScreenState extends State<HomeScreen> {
+  int _selectedIndex = 0;
+
+  static const List<Widget> _widgetOptions = <Widget>[
+    CalculatorHomePage(),
+    AboutPage(),
+  ];
+
+  void _onItemTapped(int index) {
+    setState(() {
+      _selectedIndex = index;
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: _widgetOptions.elementAt(_selectedIndex),
+      bottomNavigationBar: BottomNavigationBar(
+        items: const <BottomNavigationBarItem>[
+          BottomNavigationBarItem(
+            icon: Icon(Icons.calculate),
+            label: 'Calculator',
+          ),
+          BottomNavigationBarItem(icon: Icon(Icons.info), label: 'About'),
+        ],
+        currentIndex: _selectedIndex,
+        onTap: _onItemTapped,
+      ),
+    );
+  }
+}

macos/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -1,68 +1,68 @@
 {
-  "images" : [
+    "info": {
-    {
+        "version": 1,
-      "size" : "16x16",
+        "author": "xcode"
-      "idiom" : "mac",
-      "filename" : "app_icon_16.png",
-      "scale" : "1x"
     },
-    {
+    "images": [
-      "size" : "16x16",
+        {
-      "idiom" : "mac",
+            "size": "16x16",
-      "filename" : "app_icon_32.png",
+            "idiom": "mac",
-      "scale" : "2x"
+            "filename": "app_icon_16.png",
-    },
+            "scale": "1x"
-    {
+        },
-      "size" : "32x32",
+        {
-      "idiom" : "mac",
+            "size": "16x16",
-      "filename" : "app_icon_32.png",
+            "idiom": "mac",
-      "scale" : "1x"
+            "filename": "app_icon_32.png",
-    },
+            "scale": "2x"
-    {
+        },
-      "size" : "32x32",
+        {
-      "idiom" : "mac",
+            "size": "32x32",
-      "filename" : "app_icon_64.png",
+            "idiom": "mac",
-      "scale" : "2x"
+            "filename": "app_icon_32.png",
-    },
+            "scale": "1x"
-    {
+        },
-      "size" : "128x128",
+        {
-      "idiom" : "mac",
+            "size": "32x32",
-      "filename" : "app_icon_128.png",
+            "idiom": "mac",
-      "scale" : "1x"
+            "filename": "app_icon_64.png",
-    },
+            "scale": "2x"
-    {
+        },
-      "size" : "128x128",
+        {
-      "idiom" : "mac",
+            "size": "128x128",
-      "filename" : "app_icon_256.png",
+            "idiom": "mac",
-      "scale" : "2x"
+            "filename": "app_icon_128.png",
-    },
+            "scale": "1x"
-    {
+        },
-      "size" : "256x256",
+        {
-      "idiom" : "mac",
+            "size": "128x128",
-      "filename" : "app_icon_256.png",
+            "idiom": "mac",
-      "scale" : "1x"
+            "filename": "app_icon_256.png",
-    },
+            "scale": "2x"
-    {
+        },
-      "size" : "256x256",
+        {
-      "idiom" : "mac",
+            "size": "256x256",
-      "filename" : "app_icon_512.png",
+            "idiom": "mac",
-      "scale" : "2x"
+            "filename": "app_icon_256.png",
-    },
+            "scale": "1x"
-    {
+        },
-      "size" : "512x512",
+        {
-      "idiom" : "mac",
+            "size": "256x256",
-      "filename" : "app_icon_512.png",
+            "idiom": "mac",
-      "scale" : "1x"
+            "filename": "app_icon_512.png",
-    },
+            "scale": "2x"
-    {
+        },
-      "size" : "512x512",
+        {
-      "idiom" : "mac",
+            "size": "512x512",
-      "filename" : "app_icon_1024.png",
+            "idiom": "mac",
-      "scale" : "2x"
+            "filename": "app_icon_512.png",
-    }
+            "scale": "1x"
-  ],
+        },
-  "info" : {
+        {
-    "version" : 1,
+            "size": "512x512",
-    "author" : "xcode"
+            "idiom": "mac",
-  }
+            "filename": "app_icon_1024.png",
+            "scale": "2x"
+        }
+    ]
 }

pubspec.lock

@@ -1,6 +1,22 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  ansicolor:
+    dependency: transitive
+    description:
+      name: ansicolor
+      sha256: "50e982d500bc863e1d703448afdbf9e5a72eb48840a4f766fa361ffd6877055f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.3"
+  archive:
+    dependency: transitive
+    description:
+      name: archive
+      sha256: "2fde1607386ab523f7a36bb3e7edb43bd58e6edaf2ffb29d8a6d578b297fdbbd"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.0.7"
   args:
     dependency: transitive
     description:
@@ -33,6 +49,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.4.0"
+  checked_yaml:
+    dependency: transitive
+    description:
+      name: checked_yaml
+      sha256: "959525d3162f249993882720d52b7e0c833978df229be20702b33d48d91de70f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.4"
+  cli_util:
+    dependency: transitive
+    description:
+      name: cli_util
+      sha256: ff6785f7e9e3c38ac98b2fb035701789de90154024a75b6cb926445e83197d1c
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.4.2"
   clock:
     dependency: transitive
     description:
@@ -57,6 +89,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.0.6"
+  csslib:
+    dependency: transitive
+    description:
+      name: csslib
+      sha256: "09bad715f418841f976c77db72d5398dc1253c21fb9c0c7f0b0b985860b2d58e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.2"
   cupertino_icons:
     dependency: "direct main"
     description:
@@ -86,14 +126,22 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_launcher_icons:
+    dependency: "direct dev"
+    description:
+      name: flutter_launcher_icons
+      sha256: "10f13781741a2e3972126fae08393d3c4e01fa4cd7473326b94b72cf594195e7"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.14.4"
   flutter_lints:
     dependency: "direct dev"
     description:
       name: flutter_lints
-      sha256: "5398f14efa795ffb7a33e9b6a08798b26a180edac4ad7db3f231e40f82ce11e1"
+      sha256: "3105dc8492f6183fb076ccf1f351ac3d60564bff92e20bfc4af9cc1651f4e7e1"
       url: "https://pub.dev"
     source: hosted
-    version: "5.0.0"
+    version: "6.0.0"
   flutter_math_fork:
     dependency: transitive
     description:
@@ -102,6 +150,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.7.4"
+  flutter_native_splash:
+    dependency: "direct dev"
+    description:
+      name: flutter_native_splash
+      sha256: "8321a6d11a8d13977fa780c89de8d257cce3d841eecfb7a4cadffcc4f12d82dc"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.6"
   flutter_svg:
     dependency: transitive
     description:
@@ -115,6 +171,19 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  go_router:
+    dependency: "direct main"
+    description:
+      name: go_router
+      sha256: f02fd7d2a4dc512fec615529824fdd217fecb3a3d3de68360293a551f21634b3
+      url: "https://pub.dev"
+    source: hosted
+    version: "14.8.1"
   google_fonts:
     dependency: "direct main"
     description:
@@ -123,6 +192,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "6.3.1"
+  html:
+    dependency: transitive
+    description:
+      name: html
+      sha256: "6d1264f2dffa1b1101c25a91dff0dc2daee4c18e87cd8538729773c073dbf602"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.15.6"
   http:
     dependency: transitive
     description:
@@ -139,6 +216,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.1.2"
+  image:
+    dependency: transitive
+    description:
+      name: image
+      sha256: "4e973fcf4caae1a4be2fa0a13157aa38a8f9cb049db6529aa00b4d71abc4d928"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.5.4"
+  json_annotation:
+    dependency: transitive
+    description:
+      name: json_annotation
+      sha256: "1ce844379ca14835a50d2f019a3099f419082cfdd231cd86a142af94dd5c6bb1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.9.0"
   latext:
     dependency: "direct main"
     description:
@@ -175,10 +268,18 @@ packages:
     dependency: transitive
     description:
       name: lints
-      sha256: c35bb79562d980e9a453fc715854e1ed39e24e7d0297a880ef54e17f9874a9d7
+      sha256: a5e2b223cb7c9c8efdc663ef484fdd95bb243bff242ef5b13e26883547fce9a0
       url: "https://pub.dev"
     source: hosted
-    version: "5.1.1"
+    version: "6.0.0"
+  logging:
+    dependency: transitive
+    description:
+      name: logging
+      sha256: c8245ada5f1717ed44271ed1c26b8ce85ca3228fd2ffdb75468ab01979309d61
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.0"
   matcher:
     dependency: transitive
     description:
@@ -199,10 +300,10 @@ packages:
     dependency: "direct main"
     description:
       name: math_expressions
-      sha256: b5f6ffb67a558d564ff6fd433661640d13c7582ac80efbe6fc89c54e0a6ed580
+      sha256: "2e1ceb974c2b1893c809a68c7005f1b63f7324db0add800a0e792b1ac8ff9f03"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.0"
+    version: "3.1.0"
   meta:
     dependency: transitive
     description:
@@ -287,10 +388,10 @@ packages:
     dependency: transitive
     description:
       name: petitparser
-      sha256: "07c8f0b1913bcde1ff0d26e57ace2f3012ccbf2b204e070290dad3bb22797646"
+      sha256: "1a97266a94f7350d30ae522c0af07890c70b8e62c71e8e3920d1db4d23c057d1"
       url: "https://pub.dev"
     source: hosted
-    version: "6.1.0"
+    version: "7.0.1"
   platform:
     dependency: transitive
     description:
@@ -307,6 +408,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.8"
+  posix:
+    dependency: transitive
+    description:
+      name: posix
+      sha256: "6323a5b0fa688b6a010df4905a56b00181479e6d10534cecfecede2aa55add61"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.0.3"
   provider:
     dependency: transitive
     description:
@@ -384,6 +493,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.4.0"
+  universal_io:
+    dependency: transitive
+    description:
+      name: universal_io
+      sha256: "1722b2dcc462b4b2f3ee7d188dad008b6eb4c40bbd03a3de451d82c78bba9aad"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.2"
   vector_graphics:
     dependency: transitive
     description:
@@ -444,10 +561,18 @@ packages:
     dependency: transitive
     description:
       name: xml
-      sha256: b015a8ad1c488f66851d762d3090a21c600e479dc75e68328c52774040cf9226
+      sha256: "971043b3a0d3da28727e40ed3e0b5d18b742fa5a68665cca88e74b7876d5e025"
       url: "https://pub.dev"
     source: hosted
-    version: "6.5.0"
+    version: "6.6.1"
+  yaml:
+    dependency: transitive
+    description:
+      name: yaml
+      sha256: b9da305ac7c39faa3f030eccd175340f968459dae4af175130b3fc47e40d76ce
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.3"
 sdks:
   dart: ">=3.9.2 <4.0.0"
   flutter: ">=3.29.0"

pubspec.yaml

@@ -1,8 +1,8 @@
 name: simple_math_calc
-description: "A new Flutter project."
+description: "A simple math calculator."
 # The following line prevents the package from being accidentally published to
 # pub.dev using `flutter pub publish`. This is preferred for private packages.
-publish_to: 'none' # Remove this line if you wish to publish to pub.dev
+publish_to: "none" # Remove this line if you wish to publish to pub.dev
 
 # The following defines the version and build number for your application.
 # A version number is three numbers separated by dots, like 1.2.43
@@ -34,9 +34,10 @@ dependencies:
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.8
-  math_expressions: ^3.0.0
+  math_expressions: ^3.1.0
   latext: ^0.5.1
   google_fonts: ^6.3.1
+  go_router: ^14.2.0
 
 dev_dependencies:
   flutter_test:
@@ -47,14 +48,15 @@ dev_dependencies:
   # activated in the `analysis_options.yaml` file located at the root of your
   # package. See that file for information about deactivating specific lint
   # rules and activating additional ones.
-  flutter_lints: ^5.0.0
+  flutter_lints: ^6.0.0
+  flutter_native_splash: ^2.4.6
+  flutter_launcher_icons: ^0.14.4
 
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec
 
 # The following section is specific to Flutter packages.
 flutter:
-
   # The following line ensures that the Material Icons font is
   # included with your application, so that you can use the icons in
   # the material Icons class.
@@ -90,3 +92,25 @@ flutter:
   #
   # For details regarding fonts from package dependencies,
   # see https://flutter.dev/to/font-from-package
+
+flutter_native_splash:
+  color: "#8470b5"
+  image: assets/icon.jpg
+
+flutter_launcher_icons:
+  android: "launcher_icon"
+  ios: true
+  image_path: "assets/icon.jpg"
+  min_sdk_android: 21 # android min sdk min:16, default 21
+  web:
+    generate: true
+    image_path: "assets/icon.jpg"
+    background_color: "#8470b5"
+    theme_color: "#8470b5"
+  windows:
+    generate: true
+    image_path: "assets/icon.jpg"
+    icon_size: 48 # min:48, max:256, default: 48
+  macos:
+    generate: true
+    image_path: "assets/icon.jpg"

web/index.html

@@ -1,6 +1,4 @@
-<!DOCTYPE html>
+<!DOCTYPE html><html><head>
-<html>
-<head>
   <!--
     If you are serving your web app in a path other than the root, change the
     href value below to reflect the base path you are serving from.
@@ -27,12 +25,84 @@
   <link rel="apple-touch-icon" href="icons/Icon-192.png">
 
   <!-- Favicon -->
-  <link rel="icon" type="image/png" href="favicon.png"/>
+  <link rel="icon" type="image/png" href="favicon.png">
 
   <title>simple_math_calc</title>
   <link rel="manifest" href="manifest.json">
+  <style id="splash-screen-style">
+    html {
+      height: 100%
+    }
+
+    body {
+      margin: 0;
+      min-height: 100%;
+      background-color: #8470b5;
+          background-size: 100% 100%;
+    }
+
+    .center {
+      margin: 0;
+      position: absolute;
+      top: 50%;
+      left: 50%;
+      -ms-transform: translate(-50%, -50%);
+      transform: translate(-50%, -50%);
+    }
+
+    .contain {
+      display:block;
+      width:100%; height:100%;
+      object-fit: contain;
+    }
+
+    .stretch {
+      display:block;
+      width:100%; height:100%;
+    }
+
+    .cover {
+      display:block;
+      width:100%; height:100%;
+      object-fit: cover;
+    }
+
+    .bottom {
+      position: absolute;
+      bottom: 0;
+      left: 50%;
+      -ms-transform: translate(-50%, 0);
+      transform: translate(-50%, 0);
+    }
+
+    .bottomLeft {
+      position: absolute;
+      bottom: 0;
+      left: 0;
+    }
+
+    .bottomRight {
+      position: absolute;
+      bottom: 0;
+      right: 0;
+    }
+  </style>
+  <script id="splash-screen-script">
+    function removeSplashFromWeb() {
+      document.getElementById("splash")?.remove();
+      document.getElementById("splash-branding")?.remove();
+      document.body.style.background = "transparent";
+    }
+  </script>
+  <meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" name="viewport">
 </head>
 <body>
-  <script src="flutter_bootstrap.js" async></script>
+  <picture id="splash">
-</body>
+      <source srcset="splash/img/light-1x.png 1x, splash/img/light-2x.png 2x, splash/img/light-3x.png 3x, splash/img/light-4x.png 4x" media="(prefers-color-scheme: light)">
-</html>
+      <source srcset="splash/img/dark-1x.png 1x, splash/img/dark-2x.png 2x, splash/img/dark-3x.png 3x, splash/img/dark-4x.png 4x" media="(prefers-color-scheme: dark)">
+      <img class="center" aria-hidden="true" src="splash/img/light-1x.png" alt="">
+  </picture>
+  <script src="flutter_bootstrap.js" async=""></script>
+
+
+</body></html>

web/manifest.json

@@ -3,8 +3,8 @@
     "short_name": "simple_math_calc",
     "start_url": ".",
     "display": "standalone",
-    "background_color": "#0175C2",
+    "background_color": "#8470b5",
-    "theme_color": "#0175C2",
+    "theme_color": "#8470b5",
     "description": "A new Flutter project.",
     "orientation": "portrait-primary",
     "prefer_related_applications": false,