--- breadcrumbs: - - /chromium-os/developer-library - ChromiumOS page_name: guides title: Guides ---
## App Development * [Developing apps on your ChromiumOS device](/chromium-os/developer-library/guides/app-development/developing-apps-on-your-chromium-os-device) * [Optimize Android Apps for ChromeOS device](/chromium-os/developer-library/guides/app-development/android-apps) * [Sideload Android apps on your Chromebook](/chromium-os/developer-library/guides/app-development/sideload-android-apps-on-chromebook) ## Bugs * [ChromeOS security severity guidelines](/chromium-os/developer-library/guides/bugs/security-severity-guidelines) * [Reporting bugs](/chromium-os/developer-library/guides/bugs/reporting-bugs) * [Reporting ChromeOS bugs in the buganizer public tracker](/chromium-os/developer-library/guides/bugs/platform-public-tracker) ## Code review * [Code review and submitting code](/chromium-os/developer-library/guides/code-review/code-reviews-and-submitting-code) * [Firmware code reviews](/chromium-os/developer-library/guides/code-review/firmware-code-reviews) ## C++ * [How to wait for a callback be invoked N times](/chromium-os/developer-library/guides/cpp/barrier-callback) * [Using delegates to resolve dependency issues](/chromium-os/developer-library/guides/cpp/resolving-dependency-issues) ## Containers * [ChromeOS VM for Chromium developers](/chromium-os/developer-library/guides/containers/cros-vm) * [Running a Pre-built ChromiumOS VM](/chromium-os/developer-library/guides/containers/prebuilt-vm-guide) * [Crostini developer guide](/chromium-os/developer-library/guides/containers/crostini-developer-guide) * [Running custom containers under Chrome OS](/chromium-os/developer-library/guides/containers/containers-and-vms) ## Debugging * [ChromeOS build with LLVM Clang and ASAN](/chromium-os/developer-library/guides/debugging/llvm-clang-build) * [ChromiumOS [serial] console debugging HOWTO](/chromium-os/developer-library/guides/debugging/serial-debugging-howto) * [Chromium on ChromiumOS debugging tips](/chromium-os/developer-library/guides/debugging/debugging-tips) * [Debugging a cellular modem](/chromium-os/developer-library/guides/debugging-3g) * [Debugging accessibility (a11y) Issues](/chromium-os/developer-library/guides/debugging/a11y-debugging) * [Debug button shortcuts](/chromium-os/developer-library/guides/debugging/debug-buttons) * [Debugging features](/chromium-os/developer-library/guides/debugging/debugging-features) * [Debugging system hangs](/chromium-os/developer-library/guides/debugging/debugging-hangs) * [Debugging tips and tricks](/chromium-os/developer-library/guides/debugging/debugging) * [Firmware UI troubleshooting](/chromium-os/developer-library/guides/debugging/firmware-ui) * [Host file access](/chromium-os/developer-library/guides/debugging/host-file-access) * [How to get a stack trace at runtime](/chromium-os/developer-library/guides/debugging/stack-traces) * [How to force the out-of-box experience (OOBE)](/chromium-os/developer-library/guides/debugging/force-out-of-box-experience-oobe) * [LTE: manual E362 setup](/chromium-os/developer-library/guides/manual-e362-setup) * [Modem debugging with mmcli (from the modemmanager-next package)](/chromium-os/developer-library/guides/modem-debugging-with-mmcli) * [Recreating a Snapshot or Buildspec](/chromium-os/developer-library/guides/debugging/recreating-a-snapshot-or-buildspec) * [Remote debugging in ChromiumOS](/chromium-os/developer-library/guides/debugging/remote-debugging) * [Target serial access](/chromium-os/developer-library/guides/debugging/target-serial-access) ## Development * [Build broken](/chromium-os/developer-library/guides/development/build-broken) * [Chrome API keys in the ChromiumOS SDK chroot](/chromium-os/developer-library/guides/development/chrome-api-keys-in-the-chroot) * [ChromiumOS architecture porting guide](/chromium-os/developer-library/guides/chromiumos-architecture-porting-guide) * [ChromiumOS board porting guide](/chromium-os/developer-library/guides/chromiumos-board-porting-guide) * [ChromiumOS contributing guide](/chromium-os/developer-library/guides/development/contributing) * [ChromiumOS developer guide](/chromium-os/developer-library/guides/development/developer-guide) * [ChromiumOS guide to working on branches](/chromium-os/developer-library/guides/development/work-on-branch) * [Create a CL](/chromium-os/developer-library/guides/create-a-cl) * [Creating local mirrors](/chromium-os/developer-library/guides/creating-local-mirrors) * [CrOS work command cheatsheet](/chromium-os/developer-library/guides/development/cheatsheet) * [Development basics](/chromium-os/developer-library/guides/development/development-basics) * [Getting started with platform2](/chromium-os/developer-library/guides/development/platform2-primer) * [How to use Gerrit IfThisThenThat Lint to keep files in sync](/chromium-os/developer-library/guides/development/keep-files-in-sync) * [Introduction to Git & Gerrit for CrOS contributors](/chromium-os/developer-library/guides/development/git-and-gerrit-intro) * [Life of a Chrome commit on ChromeOS](/chromium-os/developer-library/guides/development/chrome-commit-pipeline) * [Local trybot](/chromium-os/developer-library/guides/development/local-trybot-documentation) * [Network-based development](/chromium-os/developer-library/guides/development/network-based-development) * [Remote trybots](/chromium-os/developer-library/guides/development/remote-trybots) * [Running graphical applications remotely](/chromium-os/developer-library/guides/development/running-graphical-applications-remotely) * [Sandboxing ChromeOS system services](/chromium-os/developer-library/guides/development/sandboxing) * [Simple chrome workflow](/chromium-os/developer-library/guides/development/simple-chrome-workflow) * [Tools used](/chromium-os/developer-library/guides/development/tools-used) ## Device * [Arch Linux + mainline kernel on kevin (Chromebook Plus)](/chromium-os/developer-library/guides/device/mainline-kernel-on-kevin-chromebook-plus) * [Boot mainline kernel on veyron-jaq](/chromium-os/developer-library/guides/device/boot-mainline-kernel-on-veyron-jaq) * [Chrome OS + mainline kernel on kevin (Chromebook Plus)](/chromium-os/developer-library/guides/device/chrome-os-mainline-kernel-on-kevin-chromebook-plus) * [Crosfleet](/chromium-os/developer-library/guides/device/crosfleet) * [Developer mode](/chromium-os/developer-library/guides/device/developer-mode) * [Flashing chromiumOS](/chromium-os/developer-library/guides/device/flashing-chromiumos) * [Install software on base images](/chromium-os/developer-library/guides/device/install-software-on-base-images) * [NFS-quickstart](/chromium-os/developer-library/guides/device/nfs-quickstart) * [Powerwash](/chromium-os/developer-library/guides/device/powerwash) * [Read-only firmware unlock on 2023+ devices](/chromium-os/developer-library/guides/device/ro-firmware-unlock) * [Requesting devices](/chromium-os/developer-library/guides/device/requesting-devices) * [Screenshots](/chromium-os/developer-library/guides/device/screenshots) ## Experimentation * [Power consumption & Finch experimentation](/chromium-os/developer-library/guides/experimentation/power-consumption) ## Enterprise * [Enterprise metrics](/chromium-os/developer-library/guides/enterprise/enterprise-metrics) * [Enterprise policy](/chromium-os/developer-library/guides/enterprise/enterprise-policy) * [Testing Enterprise Policies with a Local Server](/chromium-os/developer-library/guides/enterprise/local-policy-testing) ## Documentation * [Chromium cookbook](/chromium-os/developer-library/guides/documentation/chromium-cookbook) ## Firmware * [Firmware overview and porting guide](/chromium-os/developer-library/guides/firmware/firmware-porting-guide) * [USB Type-C power delivery (PD) firmware](/chromium-os/developer-library/guides/firmware/pd-firmware-update) ## Git * [Git helpers](/chromium-os/developer-library/guides/git/git-helpers) * [Git troubleshooting](/chromium-os/developer-library/guides/git/git-troubleshooting) ## Golang * [Deserialize objects in golang using protobuf](/chromium-os/developer-library/guides/golang/protobuf-golang-deserialize) ## Hardware Schematics * [45W USB Type-C charging adapter control board](/chromium-os/developer-library/guides/hardware-schematics/minimuffin) * [Chamelium](/chromium-os/developer-library/guides/hardware-schematics/chamelium) * [Chamelium audio board](/chromium-os/developer-library/guides/hardware-schematics/chamelium-audio-board) * [Chamelium audio streaming](/chromium-os/developer-library/guides/hardware-schematics/chamelium-audio-streaming) * [USB Type-C debug dongle and sniffer for USB-PD communications](/chromium-os/developer-library/guides/hardware-schematics/twinkie) * [USB Type-C to DisplayPort adapter](/chromium-os/developer-library/guides/hardware-schematics/dingdong) * [USB Type-C to HDMI adapter](/chromium-os/developer-library/guides/hardware-schematics/hoho) * [USB Type-C functional testing board](/chromium-os/developer-library/guides/hardware-schematics/plankton) ## IDEs * [Using clangd LSP server in the chroot](/chromium-os/developer-library/guides/ides/chroot-clangd-guide) ## Infrastructure * [libchrome](/chromium-os/developer-library/guides/infrastructure/libchrome) ## IPC * [ChromeOS D-Bus best practices](/chromium-os/developer-library/guides/ipc/dbus-best-practices) * [ChromeOS D-Bus usage in Chrome](/chromium-os/developer-library/guides/ipc/dbus-in-chrome) ## Image Size * [Visualizing the rootfs](/chromium-os/developer-library/guides/image-size/visualizing-the-rootfs) ## Kernel * [Kernel configuration](/chromium-os/developer-library/guides/kernel/kernel-configuration) * [Kernel development](/chromium-os/developer-library/guides/kernel/kernel-development) * [Kernel rebase notes](/chromium-os/developer-library/guides/kernel/kernel-rebase-notes) * [Using an upstream kernel on ChromeOS](/chromium-os/developer-library/guides/kernel/using-an-upstream-kernel-on-snow) ## Localization * [Creating and translating Strings](/chromium-os/developer-library/guides/localization/creating-and-translating-strings)
## Logging * [Logging](/chromium-os/developer-library/guides/logging/logging/) ## LSC * [ChromeOS platform large scale changes (LSC)](/chromium-os/developer-library/guides/lsc/large-scale-changes) * [ChromeOS LSC workflow](/chromium-os/developer-library/guides/lsc/large-scale-changes) ## Metrics * [How to create metrics?](/chromium-os/developer-library/guides/metrics/how-to-create-metrics) ## Mojo * [Use Mojom Union in TypeScript and C++](/chromium-os/developer-library/guides/mojo/use-mojom-union) ## Performance * [Timechart how-to](/chromium-os/developer-library/guides/performance/a-brief-perf-how-to) * [Tools for measuring boot time performance](/chromium-os/developer-library/guides/performance/measuring-boot-time-performance) ## Portage * [Adding a New Package](/chromium-os/developer-library/guides/portage/add-a-new-package) * [Adding a package to the SDK](/chromium-os/developer-library/guides/portage/add-sdk-package) * [CrOS bashrc override framework](/chromium-os/developer-library/guides/portage/profile-bashrc) * [Ebuild FAQ](/chromium-os/developer-library/guides/portage/ebuild-faq) * [How to patch an ebuild](/chromium-os/developer-library/guides/portage/how-to-patch-an-ebuild) * [New & upgrade package process](/chromium-os/developer-library/guides/portage/package-upgrade-process) * [Overlay FAQ](/chromium-os/developer-library/guides/portage/overlay-faq) * [Subtools Builder](/chromium-os/developer-library/guides/portage/subtools-builder) * [Upgrade Ebuild EAPIs HOWTO](/chromium-os/developer-library/guides/portage/upgrade-ebuild-eapis) * [Working with your Overlay FAQ](/chromium-os/developer-library/guides/portage/working-with-your-overlay-faq) ## Preferences * [Preferences and policies](/chromium-os/developer-library/guides/preferences/policy-prefs) ## Recipes * [Cellular modem FAQ](/chromium-os/developer-library/guides/recipes/get-a-3g-modem-running) * [Tips And tricks for ChromiumOS developers](/chromium-os/developer-library/guides/recipes/tips-and-tricks) ## Rust * [Rust on ChromeOS](/chromium-os/developer-library/guides/rust/rust-on-cros) ## Security * [ChromeOS security review HOWTO](/chromium-os/developer-library/guides/security/security-review-howto) * [ChromeOS security vulnerability management](/chromium-os/developer-library/guides/security/vulnerability-management) * [Owned test accounts (OTAs) for manual testing](/chromium-os/developer-library/guides/security/test-accounts) * [Shell scripts & noexec mounts](/chromium-os/developer-library/guides/security/noexec-shell-scripts) ## System Web Apps * [How to launch a SWA async](/chromium-os/developer-library/guides/web-apps/launch-swa-async) * [How to open other SWA/SWD from your SWA](/chromium-os/developer-library/guides/web-apps/open-app-as-swa-vs-swd) ## Testing * [Adding builder variants using profiles](/chromium-os/developer-library/guides/testing/adding-builder-variants) * [Anatomy of test.test](/chromium-os/developer-library/guides/testing/anatomy-of-test-test) * [Autotest design patterns](/chromium-os/developer-library/guides/testing/autotest-design-patterns) * [Autotest developer FAQ](/chromium-os/developer-library/guides/testing/autotest-developer-faq) * [Autotest for ChromiumOS developers](https://chromium.googlesource.com/chromiumos/third_party/autotest/+/HEAD/docs/user-doc.md) * [Best practices for writing ChromeOS unit tests](/chromium-os/developer-library/guides/testing/unit-tests) * [Best practices for writing Tast tests](/chromium-os/developer-library/guides/testing/tast-tests-best-practice) * [Bluetooth Tast tests](/chromium-os/developer-library/guides/testing/bluetooth-tast-tests) * [Breakage and flake policy](/chromium-os/developer-library/guides/testing/breakages-and-flakes) * [Building and running tests](/chromium-os/developer-library/guides/testing/building-and-running-tests) * [Chamelium USB audio](/chromium-os/developer-library/guides/testing/chamelium-usb-audio) * [ChromeOS performance tests](/chromium-os/developer-library/guides/testing/performance) * [ChromiumOS unit testing](/chromium-os/developer-library/guides/testing/running-unit-tests) * [Common Green Stainless updates](/chromium-os/developer-library/guides/testing/green-stainless-report) * [Common testing workflows](/chromium-os/developer-library/guides/testing/common-testing-workflows) * [Firmware test manual](/chromium-os/developer-library/guides/testing/firmware-test-manual) * [Fuzz testing in ChromeOS (dupe)](/chromium-os/developer-library/guides/testing/fuzzing-main) * [Fuzz testing in ChromeOS](/chromium-os/developer-library/guides/testing/fuzzing) * [Kernel fuzzing in ChromeOS](/chromium-os/developer-library/guides/testing/kernel-fuzzing) * [Perf data](/chromium-os/developer-library/guides/testing/perf-data) * [Power testing](/chromium-os/developer-library/guides/testing/power-testing) * [Python unittest mocking](/chromium-os/developer-library/guides/testing/python-mock) * [Run Tast tests with servo](/chromium-os/developer-library/guides/testing/test-with-servo) * [Running IGT tests on ChromeOS](/chromium-os/developer-library/guides/testing/igt) * [Running a single binary with UBSAN](/chromium-os/developer-library/guides/testing/single-binary-ubsan) * [Running and writing "Tast" automated end to end (E2E) tests](/chromium-os/developer-library/guides/testing/e2e-tests) * [Running smoke suite on a VM image](/chromium-os/developer-library/guides/testing/running-smoke-suite-on-a-vm-image) * [Running unittests via QEMU](/chromium-os/developer-library/guides/testing/qemu-unit-tests-design) * [Web Testing](/chromium-os/developer-library/guides/testing/web-testing) * [Testing Browser Connection](/chromium-os/developer-library/guides/testing/web-testing/browser-connection) * [Testing Progressive Web Apps (PWAs)](/chromium-os/developer-library/guides/testing/web-testing/pwa) * [Testing Isolated Web Apps (IWAs)](/chromium-os/developer-library/guides/testing/web-testing/iwa) * [Testing System Web Apps (SWAs)](/chromium-os/developer-library/guides/testing/web-testing/swa) * [Testing in Kiosk Mode](/chromium-os/developer-library/guides/testing/web-testing/kiosk) * [Test lab setup](/chromium-os/developer-library/guides/testing/test-lab-setup) * [Tips on writing C++ Browser tests](/chromium-os/developer-library/guides/testing/browser-tests-writing-tips) * [Tips on writing Tast tests](/chromium-os/developer-library/guides/testing/tast-tests-writing-tips) * [Touch firmware tests](/chromium-os/developer-library/guides/testing/touch-firmware-tests) * [UI selection in Tast](/chromium-os/developer-library/guides/testing/ui-tast-tests) * [Using test suites](/chromium-os/developer-library/guides/testing/test-suites) * [Writing tests in C++](/chromium-os/developer-library/guides/testing/cpp-writing-tests) ## Third Party * [coreboot](/chromium-os/developer-library/guides/third-party/coreboot) * [ModemManager care and feeding](/chromium-os/developer-library/guides/third-party/modemmanager) ## TypeScript * [Adding handling for scroll events](/chromium-os/developer-library/guides/typescript/on-scroll-event) * [Detecting dark mode in polymer](/chromium-os/developer-library/guides/typescript/detect-dark-mode) * [Detecting online status in polymer](/chromium-os/developer-library/guides/typescript/detect-online) * [Generating a local `tsconfig.json` file](/chromium-os/developer-library/guides/typescript/generating-local-tsconfig) * [How to mock JavaScript](/chromium-os/developer-library/guides/typescript/javascript-mock) * [Setting up your TypeScript dev environment](/chromium-os/developer-library/guides/typescript/setup-ts-environment) ## Views (UI framework) * [Introduction to Views](/chromium-os/developer-library/guides/views/intro) ## WebUI * [Communication between trusted and untruted WebUI](/chromium-os/developer-library/guides/webui/untrusted) ## Who do I notify? * [ChromiumOS contact](/chromium-os/developer-library/guides/who-do-i-notify/contact)