chore: set up Flutter and Android SDK with devbox

nix-android-sdk/android-studio-devbox-config.sh

@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SCRIPT_DIR="$(cd -- "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+PROJECT_DIR="$(cd -- "$SCRIPT_DIR/../.." && pwd)"
+IDEA_DIR="$PROJECT_DIR/.idea"
+LIBRARIES_DIR="$IDEA_DIR/libraries"
+FLUTTER_SDK="$PROJECT_DIR/.devbox/nix/profile/default"
+DART_SDK="$FLUTTER_SDK/bin/cache/dart-sdk"
+
+mkdir -p "$IDEA_DIR"
+if [ ! -x "$FLUTTER_SDK/bin/flutter" ]; then
+  echo "Flutter not found at $FLUTTER_SDK/bin/flutter. Run devbox install to download it." >&2
+  exit 1
+fi
+
+if [ ! -d "$DART_SDK" ]; then
+  echo "Dart SDK not found at $DART_SDK. Run flutter doctor to populate the cache." >&2
+  exit 1
+fi
+
+mkdir -p "$LIBRARIES_DIR"
+
+cat > "$IDEA_DIR/flutter.xml" <<'EOF'
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="FlutterSdkSettings">
+    <option name="FLUTTER_SDK_PATH" value="$PROJECT_DIR$/.devbox/nix/profile/default" />
+  </component>
+</project>
+EOF
+
+cat > "$IDEA_DIR/dart.xml" <<'EOF'
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DartSdkGlobalLibSettings">
+    <option name="dartSdkPath" value="$PROJECT_DIR$/.devbox/nix/profile/default/bin/cache/dart-sdk" />
+  </component>
+</project>
+EOF
+
+dart_libs=$(find "$DART_SDK/lib" -maxdepth 1 -mindepth 1 -type d -printf '%f\n' | sort)
+tmp_file=$(mktemp)
+{
+  echo '<component name="libraryTable">'
+  echo '  <library name="Dart SDK">'
+  echo '    <CLASSES>'
+  for lib in $dart_libs; do
+    printf '      <root url="file://$PROJECT_DIR$/.devbox/nix/profile/default/bin/cache/dart-sdk/lib/%s" />\n' "$lib"
+  done
+  echo '    </CLASSES>'
+  echo '    <JAVADOC />'
+  echo '    <SOURCES />'
+  echo '  </library>'
+  echo '</component>'
+} > "$tmp_file"
+mv "$tmp_file" "$LIBRARIES_DIR/Dart_SDK.xml"
+
+echo "Android Studio configured. Flutter SDK: $FLUTTER_SDK"

nix-android-sdk/flake.nix

@@ -0,0 +1,27 @@
+{
+  description = "A Flake for the Android SDK";
+
+  inputs = {
+    flake-utils.url = "github:numtide/flake-utils";
+    android-nixpkgs.url = "github:tadfisher/android-nixpkgs/stable";
+  };
+
+  outputs = { self, flake-utils, android-nixpkgs }:
+    flake-utils.lib.eachSystem ["x86_64-linux" "x86_64-darwin" "aarch64-darwin"] (system: {
+    packages.android-sdk = android-nixpkgs.sdk."${system}" (sdkPkgs: with sdkPkgs; [
+      cmdline-tools-latest
+      build-tools-33-0-0
+      build-tools-34-0-0
+      build-tools-35-0-0
+      build-tools-36-1-0
+      cmake-3-22-1
+      platform-tools
+      platforms-android-33
+      platforms-android-34
+      platforms-android-35
+      platforms-android-36
+      emulator
+      ndk-27-0-12077973
+    ]);
+  });
+}