change from mono-home-manager to full flake multi-system configuration

home/androidstudio.nix

@@ -0,0 +1,33 @@
+{ config, pkgs, lib, ... }:
+
+let
+  androidSdkRoot = "${config.home.homeDirectory}/Android/Sdk";
+  cfg = config.homeModules.androidstudio;
+in
+lib.mkIf cfg.enable {
+  home.packages = with pkgs; [
+    android-studio
+    # Tools for Android SDK management
+    android-tools
+    jdk11 # or jdk17 if needed by Android Studio
+    gradle
+  ];
+
+  # Set up environment variables for Android development
+  home.sessionVariables = {
+    ANDROID_SDK_ROOT = androidSdkRoot;
+    ANDROID_HOME = androidSdkRoot;
+    ANDROID_AVD_HOME = "${config.home.homeDirectory}/.android/avd";
+    JAVA_HOME = "${pkgs.jdk11}/lib/openjdk"; # Or jdk17 if preferred
+    # in _home.nix PATH = lib.mkAfter "${androidSdkRoot}/cmdline-tools/latest/bin:${androidSdkRoot}/platform-tools";
+  };
+
+  # Create needed folders and install SDK components on first run (optional)
+  home.activation.setupAndroidSdk = lib.hm.dag.entryAfter [ "writeBoundary" ] ''
+    mkdir -p "${androidSdkRoot}"
+    if ! [ -x "${androidSdkRoot}/cmdline-tools/latest/bin/sdkmanager" ]; then
+      echo "✴️ Installing Android SDK Command-line Tools..."
+      cp -r ${pkgs.androidsdk}/cmdline-tools "${androidSdkRoot}/cmdline-tools"
+    fi
+  '';
+}