Files
android-webview-kiosk/flake.nix
T
arnie 184f7b3b4c
build / build (push) Failing after 2m58s
Add fonts
2026-06-12 18:46:47 +02:00

74 lines
2.5 KiB
Nix

{
# android-webview-kiosk — Android TV fullscreen WebView kiosk showing a
# hardcoded Grafana dashboard, remote-launched via Sony Bravia IP control.
#
# Deviation from lab Go template: this flake provides a DEV SHELL ONLY.
# Gradle fetches Maven deps from the network, so the APK is built impurely:
# nix develop --command gradle :app:assembleRelease
# There is no `nix build` output and no container/push pipeline.
description = "Android TV fullscreen WebView kiosk for the Grafana house dashboard";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/release-25.11";
flake-utils.url = "github:numtide/flake-utils";
};
outputs =
{
self,
nixpkgs,
flake-utils,
}:
flake-utils.lib.eachDefaultSystem (
system:
let
pkgs = import nixpkgs {
inherit system;
config = {
allowUnfree = true; # Android SDK
android_sdk.accept_license = true;
};
};
buildToolsVersion = "34.0.0";
androidComposition = pkgs.androidenv.composeAndroidPackages {
platformVersions = [ "34" ];
buildToolsVersions = [ buildToolsVersion ];
includeEmulator = false;
includeSystemImages = false;
includeNDK = false;
};
androidSdk = androidComposition.androidsdk;
sdkRoot = "${androidSdk}/libexec/android-sdk";
fonts = with pkgs; [ noto-fonts dejavu_fonts freefont_ttf ];
in
{
devShells.default = pkgs.mkShell {
packages = [
androidSdk
pkgs.jdk17
pkgs.gradle
pkgs.imagemagick # banner/icon generation
pkgs.android-tools # adb for sideloading
] ++ fonts;
ANDROID_HOME = sdkRoot;
ANDROID_SDK_ROOT = sdkRoot;
FONTCONFIG_FILE = pkgs.makeFontsConf { fontDirectories = fonts; };
# NixOS gotcha: AGP downloads a dynamically-linked aapt2 from Maven
# that can't run on NixOS. AGP reads the override from gradle.properties
# as a project property (not a JVM system property), so GRADLE_OPTS -D
# flags don't work. The shellHook writes the correct nix store path
# directly into gradle.properties so providers.gradleProperty() finds it.
shellHook = ''
sed -i "s|android.aapt2FromMavenOverride=.*|android.aapt2FromMavenOverride=${sdkRoot}/build-tools/${buildToolsVersion}/aapt2|" gradle.properties
'';
};
}
);
}