Initial commit of HermesControl Android app

flake.nix

@@ -0,0 +1,98 @@
+{
+  description = "HermesControl - Android app for Hermes agent";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs {
+          inherit system;
+          config = {
+            android_sdk.accept_license = true;
+            allowUnfree = true;
+          };
+        };
+
+        buildToolsVersion = "35.0.0";
+        androidComposition = pkgs.androidenv.composeAndroidPackages {
+          # Command-line & platform tools
+          cmdLineToolsVersion = "11.0";
+          platformToolsVersion = "35.0.2";
+
+          # Build tools
+          buildToolsVersions = [ buildToolsVersion "34.0.0" ];
+
+          # Target platforms (36 required by AGP 9.0.1 / compileSdk 36)
+          platformVersions = [ "36" "35" "34" ];
+
+          # For the emulator (optional, remove if not needed)
+          includeEmulator = false;
+          includeSystemImages = false;
+
+          # NDK (not needed for this project, but handy)
+          includeNDK = false;
+
+          # Extra packages
+          extraLicenses = [
+            "android-googletv-license"
+            "android-sdk-arm-dbt-license"
+            "android-sdk-license"
+            "android-sdk-preview-license"
+            "google-gdk-license"
+            "intel-android-extra-license"
+            "intel-android-sysimage-license"
+            "mips-android-sysimage-license"
+          ];
+        };
+
+        androidSdk = androidComposition.androidsdk;
+
+      in {
+        devShells.default = pkgs.mkShell {
+          buildInputs = with pkgs; [
+            # Java 17 (required for AGP 8.x / Gradle 8.x)
+            jdk17
+
+            # Android SDK (platforms, build-tools, platform-tools)
+            androidSdk
+
+            # Kotlin compiler
+            kotlin
+
+            # Gradle
+            gradle
+
+            # Useful utilities
+            ktlint        # Kotlin linter
+          ];
+
+          # Point everything at the Nix-managed SDK
+          ANDROID_HOME = "${androidSdk}/libexec/android-sdk";
+          ANDROID_SDK_ROOT = "${androidSdk}/libexec/android-sdk";
+          JAVA_HOME = "${pkgs.jdk17}";
+
+          # Gradle needs a writable home
+          GRADLE_USER_HOME = "$PWD/.gradle-home";
+
+          shellHook = ''
+            echo "🤖 HermesControl Android dev shell"
+            echo "   Java:        $(java -version 2>&1 | head -1)"
+            echo "   Kotlin:      $(kotlin -version 2>&1)"
+            echo "   Gradle:      $(gradle --version 2>&1 | grep '^Gradle' || echo 'available')"
+            echo "   ANDROID_HOME: $ANDROID_HOME"
+            echo ""
+
+            # Make sure the android CLI from ~/.local/bin is on PATH
+            export PATH="$HOME/.local/bin:$PATH"
+
+            # Writable gradle home
+            mkdir -p "$GRADLE_USER_HOME"
+          '';
+        };
+      }
+    );
+}