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