Initial MVP

2026-07-27 00:16:46 -04:00
commit 5930630b2e
44 changed files with 4381 additions and 0 deletions
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+{
+  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 = {
+            # The Android SDK components and Android Studio are unfree, and the
+            # SDK requires accepting its license non-interactively.
+            allowUnfree = true;
+            android_sdk.accept_license = true;
+          };
+        };
+
+        buildToolsVersion = "35.0.0";
+
+        # A minimal SDK: just the pieces needed to compile & assemble the app.
+        # (No emulator/system-image here — those live in the `emulate` output.)
+        androidComposition = pkgs.androidenv.composeAndroidPackages {
+          platformVersions = [ "35" ];
+          buildToolsVersions = [ buildToolsVersion ];
+          includeEmulator = false;
+          includeSystemImages = false;
+          includeNDK = false;
+        };
+
+        androidSdk = androidComposition.androidsdk;
+        androidHome = "${androidSdk}/libexec/android-sdk";
+
+        # The built app, referenced by both `packages.default` and the emulator.
+        musicRemote = pkgs.callPackage ./package.nix {
+          inherit androidSdk androidHome buildToolsVersion;
+        };
+        applicationId = "ca.ksamad.musicremote";
+      in
+      {
+        formatter = pkgs.nixfmt-rfc-style;
+
+        # `nix build` -> reproducible debug APK in ./result/music-remote.apk
+        packages.default = musicRemote;
+
+        # `nix develop` -> command-line dev shell (gradle + SDK wired up).
+        devShells.default = pkgs.mkShell {
+          buildInputs = [
+            pkgs.jdk17
+            pkgs.gradle
+            androidSdk
+          ];
+
+          ANDROID_HOME = androidHome;
+          ANDROID_SDK_ROOT = androidHome;
+
+          # Same NixOS aapt2 fix as in package.nix, but as a Gradle system prop
+          # so plain `gradle assembleDebug` works inside the shell.
+          GRADLE_OPTS = "-Dorg.gradle.project.android.aapt2FromMavenOverride=${androidHome}/build-tools/${buildToolsVersion}/aapt2";
+
+          shellHook = ''
+            echo "music-remote dev shell — try: gradle assembleDebug"
+          '';
+        };
+
+        # `nix develop .#studio` -> full Android Studio (GUI + emulator manager).
+        devShells.studio = pkgs.mkShell {
+          buildInputs = [ pkgs.androidStudioPackages.stable ];
+        };
+
+        # `nix run .#emulate` -> boots an emulator, then installs and launches the
+        # app on it. `app` points at the built package directory (the script globs
+        # `*.apk` inside it); `package`/`activity` make it auto-start after boot.
+        packages.emulate = pkgs.androidenv.emulateApp {
+          name = "emulate-MusicRemote";
+          platformVersion = "35";
+          abiVersion = "x86_64";
+          # Bare AOSP image. This app only needs the base Android framework
+          # (TCP/HTTP networking for the MPD client); it uses no Google Play
+          # Services APIs, so `google_apis`/`_playstore` would just be extra
+          # weight. Switch to "google_apis" only if you add a Google SDK.
+          systemImageType = "default";
+
+          app = musicRemote;
+          package = applicationId;
+          activity = "${applicationId}.MainActivity";
+        };
+      }
+    );
+}