fix: Added support for AdaptiveIcon to icons.

packages/katana_cli/lib/action/app/icon.dart

@@ -41,6 +41,21 @@ final _sizeList = {
   "web/icons/Icon-maskable-512.png": 512,
 };
 
+final _sizeListAdaptiveBackground = {
+  "android/app/src/main/res/mipmap-hdpi/ic_launcher_background.png": 162,
+  "android/app/src/main/res/mipmap-mdpi/ic_launcher_background.png": 108,
+  "android/app/src/main/res/mipmap-xhdpi/ic_launcher_background.png": 216,
+  "android/app/src/main/res/mipmap-xxhdpi/ic_launcher_background.png": 324,
+  "android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_background.png": 432,
+};
+final _sizeListAdaptiveForeground = {
+  "android/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png": 162,
+  "android/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png": 108,
+  "android/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png": 216,
+  "android/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png": 324,
+  "android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png": 432,
+};
+
 final _faviconSize = [
   16,
   32,
@@ -90,6 +105,10 @@ class AppIconCliAction extends CliCommand with CliActionMixin {
       );
       return;
     }
+    final adaptive = icon.getAsMap("adaptive_icon");
+    final adaptiveBackground = adaptive.get("background", "");
+    final adaptiveForeground = adaptive.get("foreground", "");
+    label("Load $adaptiveBackground $adaptiveForeground");
     label("Load a file from $path");
     final iconFile = File(path);
     if (!iconFile.existsSync()) {
@@ -119,6 +138,72 @@ class AppIconCliAction extends CliCommand with CliActionMixin {
       );
       await file.writeAsBytes(encodePng(resized, level: 9));
     }
+    if (adaptiveBackground.isNotEmpty && adaptiveForeground.isNotEmpty) {
+      label("Load a file from $adaptiveBackground");
+      final backgroundIconFile = File(adaptiveBackground);
+      if (!backgroundIconFile.existsSync()) {
+        error("Icon file not found in $adaptiveBackground.");
+        return;
+      }
+      label("Load a file from $adaptiveForeground");
+      final foregroundIconFile = File(adaptiveForeground);
+      if (!foregroundIconFile.existsSync()) {
+        error("Icon file not found in $adaptiveForeground.");
+        return;
+      }
+      final backgroundIconImage =
+          decodeImage(backgroundIconFile.readAsBytesSync())!;
+      if (backgroundIconImage.width != 1024 ||
+          backgroundIconImage.height != 1024) {
+        error("Icon files should be 1024 x 1024.");
+        return;
+      }
+      final foregroundIconImage =
+          decodeImage(foregroundIconFile.readAsBytesSync())!;
+      if (foregroundIconImage.width != 1024 ||
+          foregroundIconImage.height != 1024) {
+        error("Icon files should be 1024 x 1024.");
+        return;
+      }
+      for (final tmp in _sizeListAdaptiveBackground.entries) {
+        label("Resize & Save to ${tmp.key}");
+        final dir = Directory(tmp.key.parentPath());
+        if (!dir.existsSync()) {
+          await dir.create(recursive: true);
+        }
+        final file = File(tmp.key);
+        if (file.existsSync()) {
+          await file.delete();
+        }
+        final resized = copyResize(
+          backgroundIconImage,
+          height: tmp.value,
+          width: tmp.value,
+          interpolation: Interpolation.average,
+        );
+        await file.writeAsBytes(encodePng(resized, level: 9));
+      }
+      for (final tmp in _sizeListAdaptiveForeground.entries) {
+        label("Resize & Save to ${tmp.key}");
+        final dir = Directory(tmp.key.parentPath());
+        if (!dir.existsSync()) {
+          await dir.create(recursive: true);
+        }
+        final file = File(tmp.key);
+        if (file.existsSync()) {
+          await file.delete();
+        }
+        final resized = copyResize(
+          foregroundIconImage,
+          height: tmp.value,
+          width: tmp.value,
+          interpolation: Interpolation.average,
+        );
+        await file.writeAsBytes(encodePng(resized, level: 9));
+      }
+      label("Create a ic_launcher.xml");
+      await const IcLauncherCliCode().generateFile("ic_launcher.xml");
+    }
     final icoFile = File("web/favicon.ico");
     if (icoFile.existsSync()) {
       await icoFile.delete();
@@ -136,3 +221,47 @@ class AppIconCliAction extends CliCommand with CliActionMixin {
     );
   }
 }
+
+/// Contents of ic_launcher.xml.
+///
+/// ic_launcher.xmlの中身。
+class IcLauncherCliCode extends CliCode {
+  /// Contents of launch.json.
+  ///
+  /// launch.jsonの中身。
+  const IcLauncherCliCode();
+
+  @override
+  String get name => "ic_launcher";
+
+  @override
+  String get prefix => "ic_launcher";
+
+  @override
+  String get directory => "android/app/src/main/res/mipmap-anydpi-v26";
+
+  @override
+  String get description =>
+      "Create ic_launcher.xml for adaptive icons. アダプティブアイコン用のic_launcher.xmlを作成します。";
+
+  @override
+  String import(String path, String baseName, String className) {
+    return "";
+  }
+
+  @override
+  String header(String path, String baseName, String className) {
+    return "";
+  }
+
+  @override
+  String body(String path, String baseName, String className) {
+    return r"""
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@mipmap/ic_launcher_background"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
+""";
+  }
+}

packages/katana_cli/lib/config.dart

@@ -14,11 +14,16 @@ app:
 
   # The application icon is automatically set based on the image file specified in [path].
   # Image files should be created as 1024 x 1024 png files.
+  # You can create an AdaptiveIcon for Android by specifying [background] and [foreground] in [adaptive_icon].
   # [path]に指定された画像ファイルを元にアプリのアイコンを自動設定します。
   # 画像ファイルは1024×1024のpngファイルで作成してください。
+  # [adaptive_icon]で[background]と[foreground]を指定するとAndroid用のAdaptiveIconを作成できます。
   icon:
     enable: false
     path: assets/icon.png
+    adaptive_icon:
+      foreground:
+      background:
   
   # Describe the application information.
   # For each language code, put the normal title in [title] and a short title for the app in [short_title]. Provide an overview of the app in [overview].

packages/katana_cli/pubspec.lock

@@ -5,10 +5,10 @@ packages:
     dependency: "direct main"
     description:
       name: archive
-      sha256: "20071638cbe4e5964a427cfa0e86dce55d060bc7d82d56f3554095d7239a8765"
+      sha256: "06a96f1249f38a00435b3b0c9a3246d934d7dbc8183fc7c9e56989860edb99d4"
       url: "https://pub.dev"
     source: hosted
-    version: "3.4.2"
+    version: "3.4.4"
   args:
     dependency: transitive
     description:
@@ -125,10 +125,10 @@ packages:
     dependency: "direct main"
     description:
       name: image
-      sha256: "93d1141eb65fe62414d5492de96ca2bff97eba0ca9218a89ad407a6f201fcadf"
+      sha256: "028f61960d56f26414eb616b48b04eb37d700cbe477b7fb09bf1d7ce57fd9271"
       url: "https://pub.dev"
     source: hosted
-    version: "4.1.2"
+    version: "4.1.3"
   import_sorter:
     dependency: "direct dev"
     description: