326 lines
18 KiB
Markdown
Executable File
326 lines
18 KiB
Markdown
Executable File
# Android components
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[](https://firefox-ci-tc.services.mozilla.com/api/github/v1/repository/mozilla-mobile/android-components/main/latest)
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[](https://mergify.io)
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[](https://chat.mozilla.org/#/room/#android-components:mozilla.org)
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_A collection of Android libraries to build browsers or browser-like applications._
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ℹ️ For more information **[see the website](https://mozilla-mobile.github.io/android-components/)**.
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A fully-featured reference browser implementation based on the components can be found in the [reference-browser repository](https://github.com/mozilla-mobile/reference-browser).
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# Getting Involved
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We encourage you to participate in this open source project. We love pull requests, bug reports, ideas, (security) code reviews or any kind of positive contribution.
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Before you attempt to make a contribution please read the [Community Participation Guidelines](https://www.mozilla.org/en-US/about/governance/policies/participation/).
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* Matrix: [android-components:mozilla.org chat room](https://chat.mozilla.org/#/room/#android-components:mozilla.org) ([How to connect](https://wiki.mozilla.org/Matrix#Connect_to_Matrix)).
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* Localization happens on [Pontoon](https://pontoon.mozilla.org/projects/android-l10n/). Please get in touch with delphine (at) mozilla (dot) com directly for more information.
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# Maven repository
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All components are getting published on [maven.mozilla.org](https://maven.mozilla.org/).
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To use them, you need to add the following to your project's top-level build file, in the `allprojects` block (see e.g. the [reference-browser](https://github.com/mozilla-mobile/reference-browser/blob/main/build.gradle)):
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```groovy
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repositories {
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maven {
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url "https://maven.mozilla.org/maven2"
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}
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}
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```
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Each module that uses a component needs to specify it in its build file, in the `dependencies` block. For example, to use the `Base` component (in the `support`) collection, you need:
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```groovy
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dependencies {
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implementation 'org.mozilla.components:support-base:+'
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}
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```
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## Nightly builds
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Nightly builds are created every day from the `main` branch and published on [nightly.maven.mozilla.org](https://nightly.maven.mozilla.org).
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# Components
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* 🔴 **In Development** - Not ready to be used in shipping products.
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* ⚪ **Preview** - This component is almost/partially ready and can be tested in products.
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* 🔵 **Production ready** - Used by shipping products.
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## Browser
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High-level components for building browser(-like) apps.
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* 🔵 [**Awesomebar**](components/browser/awesomebar/README.md) - A customizable [Awesome Bar](https://support.mozilla.org/en-US/kb/awesome-bar-search-firefox-bookmarks-history-tabs) implementation for browsers.
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* 🔵 [**Domains**](components/browser/domains/README.md) Localized and customizable domain lists for auto-completion in browsers.
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* 🔵 [**Engine-Gecko**](components/browser/engine-gecko/README.md) - *Engine* implementation based on [GeckoView](https://wiki.mozilla.org/Mobile/GeckoView).
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* 🔵 [**Engine-System**](components/browser/engine-system/README.md) - *Engine* implementation based on the system's WebView.
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* 🔵 [**Errorpages**](components/browser/errorpages/README.md) - Responsive browser error pages for Android apps.
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* 🔵 [**Icons**](components/browser/icons/README.md) - A component for loading and storing website icons (like [Favicons](https://en.wikipedia.org/wiki/Favicon)).
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* 🔵 [**Menu**](components/browser/menu/README.md) - A generic menu with customizable items primarily for browser toolbars.
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* ⚪ [**Menu 2**](components/browser/menu2/README.md) - A generic menu with customizable items primarily for browser toolbars.
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* 🔵 [**Session-Storage**](components/browser/session-storage/README.md) - Component for saving and restoring the browser state.
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* 🔵 [**State**](components/browser/state/README.md) - Component for maintaining the centralized state of the browser and its components.
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* 🔵 [**Storage-Sync**](components/browser/storage-sync/README.md) - A syncable implementation of browser storage backed by [application-services' Places lib](https://github.com/mozilla/application-services).
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* 🔵 [**Tabstray**](components/browser/tabstray/README.md) - A customizable tabs tray for browsers.
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* 🔵 [**Thumbnails**](components/browser/thumbnails/README.md) - A component for loading and storing website thumbnails (screenshot of the website).
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* 🔵 [**Toolbar**](components/browser/toolbar/README.md) - A customizable toolbar for browsers.
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## Concept
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_API contracts and abstraction layers for browser components._
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* 🔵 [**Awesomebar**](components/concept/awesomebar/README.md) - An abstract definition of an awesome bar component.
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* 🔵 [**Engine**](components/concept/engine/README.md) - Abstraction layer that allows hiding the actual browser engine implementation.
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* 🔵 [**Fetch**](components/concept/fetch/README.md) - An abstract definition of an HTTP client for fetching resources.
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* 🔵 [**Push**](components/concept/push/README.md) - An abstract definition of a push service component.
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* 🔵 [**Storage**](components/concept/storage/README.md) - Abstract definition of a browser storage component.
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* 🔵 [**Tabstray**](components/concept/tabstray/README.md) - Abstract definition of a tabs tray component.
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* 🔵 [**Toolbar**](components/concept/toolbar/README.md) - Abstract definition of a browser toolbar component.
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## Feature
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_Combined components to implement feature-specific use cases._
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* 🔵 [**Accounts**](components/feature/accounts/README.md) - A component that connects an FxaAccountManager from [service-firefox-accounts](components/service/firefox-accounts/README.md) with [feature-tabs](components/feature/tabs/README.md) in order to facilitate authentication flows.
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* 🔵 [**Accounts Push**](components/feature/accounts-push/README.md) - Feature of use cases for FxA Account that work with push support.
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* 🔵 [**Autofill**](components/feature/autofill/README.md) - A component that provides support for Android's Autofill framework.
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* 🔵 [**Awesomebar**](components/feature/awesomebar/README.md) - A component that connects a [concept-awesomebar](components/concept/awesomebar/README.md) implementation to a [concept-toolbar](components/concept/toolbar/README.md) implementation and provides implementations of various suggestion providers.
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* 🔴 [**Containers**](components/feature/containers/README.md) - A component for working with contextual identities also known as containers.
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* 🔵 [**Context Menu**](components/feature/contextmenu/README.md) - A component for displaying context menus when *long-pressing* web content.
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* 🔵 [**Custom Tabs**](components/feature/customtabs/README.md) - A component for providing [Custom Tabs](https://developer.chrome.com/multidevice/android/customtabs) functionality in browsers.
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* 🔵 [**Downloads**](components/feature/downloads/README.md) - A component to perform downloads using the [Android downloads manager](https://developer.android.com/reference/android/app/DownloadManager).
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* 🔵 [**Intent**](components/feature/intent/README.md) - A component that provides intent processing functionality by combining various other feature modules.
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* ⚪ [**Progressive Web Apps (PWA)**](components/feature/pwa/README.md) - A component that provides functionality for supporting Progressive Web Apps (PWA).
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* 🔵 [**Reader View**](components/feature/readerview/README.md) - A component that provides Reader View functionality.
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* 🔵 [**QR**](components/feature/qr/README.md) - A component that provides functionality for scanning QR codes.
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* 🔵 [**Search**](components/feature/search/README.md) - A component that connects an (concept) engine implementation with the browser search module.
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* 🔵 [**Session**](components/feature/session/README.md) - A component that connects an (concept) engine implementation with the browser session and storage modules.
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* 🔵 [**Share**](components/feature/share/README.md) - Feature implementation for saving and sorting recent apps used for sharing.
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* 🔵 [**Sync**](components/feature/sync/README.md) -A component that provides synchronization orchestration for groups of (concept) SyncableStore objects.
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* 🔵 [**Tabs**](components/feature/tabs/README.md) - A component that connects a tabs tray implementation with the session and toolbar modules.
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* 🔵 [**Tab Collections**](components/feature/tab-collections/README.md) - Feature implementation for saving, restoring and organizing collections of tabs.
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* 🔵 [**Toolbar**](components/feature/toolbar/README.md) - A component that connects a (concept) toolbar implementation with the browser session module.
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* 🔵 [**Top Sites**](components/feature/top-sites/README.md) - Feature implementation for saving and removing top sites.
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* 🔵 [**Prompts**](components/feature/prompts/README.md) - A component that will handle all the common prompt dialogs from web content.
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* 🔵 [**Push**](components/feature/push/README.md) - A component that provides Autopush messages with help from a supported push service.
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* 🔵 [**Find In Page**](components/feature/findinpage/README.md) - A component that provides an UI widget for [find in page functionality](https://support.mozilla.org/en-US/kb/search-contents-current-page-text-or-links).
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* 🔵 [**Remote Tabs**](components/feature/remotetabs/README.md) - Feature that provides access to other device's tabs in the same account.
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* 🔵 [**Site Permissions**](components/feature/sitepermissions/README.md) - A feature for showing site permission request prompts.
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* 🔵 [**WebAuthn**](components/feature/webauthn/README.md) - A feature that provides WebAuthn functionality for supported engines.
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* 🔵 [**Web Notifications**](components/feature/webnotifications/README.md) - A component for displaying web notifications.
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* 🔵 [**WebCompat**](components/feature/webcompat/README.md) - A feature to enable website-hotfixing via the Web Compatibility System-Addon.
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* 🔵 [**WebCompat Reporter**](components/feature/webcompat-reporter/README.md) - A feature that enables users to report site issues to Mozilla's Web Compatibility team for further diagnosis.
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* 🔵 [**Web Add-ons**](components/feature/addons/README.md) - A feature that provides functionality for managing add-ons.
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## UI
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_Generic low-level UI components for building apps._
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* 🔵 [**Autocomplete**](components/ui/autocomplete/README.md) - A set of components to provide autocomplete functionality.
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* 🔵 [**Colors**](components/ui/colors/README.md) - The standard set of [Photon](https://design.firefox.com/photon/) colors.
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* 🔵 [**Fonts**](components/ui/fonts/README.md) - The standard set of fonts used by Mozilla Android products.
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* 🔵 [**Icons**](components/ui/icons/README.md) - A collection of often used browser icons.
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* 🔵 [**Tabcounter**](components/ui/tabcounter/README.md) - A button that shows the current tab count and can animate state changes.
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## Service
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_Components and libraries to interact with backend services._
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* 🔵 [**Firefox Accounts (FxA)**](components/service/firefox-accounts/README.md) - A library for integrating with Firefox Accounts.
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* 🔵 [**Firefox Sync - Logins**](components/service/sync-logins/README.md) - A library for integrating with Firefox Sync - Logins.
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* 🔵 [**Firefox Sync - Autofill**](components/service/sync-autofill/README.md) - A library for integrating with Firefox Sync - Autofill.
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* 🔵 [**Glean**](components/service/glean/README.md) - A client-side telemetry SDK for collecting metrics and sending them to Mozilla's telemetry service (eventually replacing [service-telemetry](components/service/telemetry/README.md)).
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* 🔵 [**Location**](components/service/location/README.md) - A library for accessing Mozilla's and other location services.
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* 🔴 [**Nimbus**](components/service/nimbus/README.md) - A wrapper for the Nimbus SDK.
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* 🔵 [**Pocket**](components/service/pocket/README.md) - A library for communicating with the Pocket API.
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* 🔵 [**Contile**](components/service/contile/README.md) - A library for communicating with the Contile services API.
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## Support
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_Supporting components with generic helper code._
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* 🔵 [**Android Test**](components/support/android-test/README.md) - A collection of helpers for testing components in instrumented (on device) tests (`src/androidTest`).
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* 🔵 [**Base**](components/support/base/README.md) - Base component containing building blocks for components.
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* 🔵 [**Ktx**](components/support/ktx/README.md) - A set of Kotlin extensions on top of the Android framework and Kotlin standard library.
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* 🔵 [**Test**](components/support/test/README.md) - A collection of helpers for testing components in local unit tests (`src/test`).
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* 🔵 [**Test Appservices**](components/support/test-appservices/README.md) - A component for synchronizing Application Services' unit testing dependencies used in Android Components.
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* 🔵 [**Test LibState**](components/support/test-libstate/README.md) - A collection of helpers for testing functionality that relies on the lib-state component in local unit tests (`src/test`).
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* 🔵 [**Utils**](components/support/utils/README.md) - Generic utility classes to be shared between projects.
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* 🔵 [**Webextensions**](components/support/webextensions/README.md) - A component containing building blocks for features implemented as web extensions.
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## Standalone libraries
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* 🔵 [**Crash**](components/lib/crash/README.md) - A generic crash reporter component that can report crashes to multiple services.
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* 🔵 [**Dataprotect**](components/lib/dataprotect/README.md) - A component using AndroidKeyStore to protect user data.
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* 🔵 [**Fetch-HttpURLConnection**](components/lib/fetch-httpurlconnection/README.md) - A [concept-fetch](concept/fetch/README.md) implementation using [HttpURLConnection](https://developer.android.com/reference/java/net/HttpURLConnection.html).
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* 🔵 [**Fetch-OkHttp**](components/lib/fetch-okhttp/README.md) - A [concept-fetch](concept/fetch/README.md) implementation using [OkHttp](https://github.com/square/okhttp).
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* ⚪ [**JEXL**](components/lib/jexl/README.md) - Javascript Expression Language: Context-based expression parser and evaluator.
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* 🔵 [**Public Suffix List**](components/lib/publicsuffixlist/README.md) - A library for reading and using the [public suffix list](https://publicsuffix.org/).
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* 🔵 [**Push-Firebase**](components/lib/push-firebase/README.md) - A [concept-push](concept/push/README.md) implementation using [Firebase Cloud Messaging](https://firebase.google.com/products/cloud-messaging/).
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* 🔵 [**State**](components/lib/state/README.md) - A library for maintaining application state.
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## Tooling
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* 🔵 [**Fetch-Tests**](components/tooling/fetch-tests/README.md) - A generic test suite for components that implement [concept-fetch](concept/fetch/README.md).
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* 🔵 [**Lint**](components/tooling/lint/README.md) - Custom Lint rules for the components repository.
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# Sample apps
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_Sample apps using various components._
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* [**Browser**](samples/browser) - A simple browser composed from browser components. This sample application is only a very basic browser. For a full-featured reference browser implementation see the **[reference-browser repository](https://github.com/mozilla-mobile/reference-browser)**.
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* [**Crash**](samples/crash) - An app showing the integration of the `lib-crash` component.
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* [**Firefox Accounts (FxA)**](samples/firefox-accounts) - A simple app demoing Firefox Accounts integration.
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* [**Firefox Sync**](samples/sync) - A simple app demoing general Firefox Sync integration, with bookmarks and history.
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* [**Firefox Sync - Logins**](samples/sync-logins) - A simple app demoing Firefox Sync (Logins) integration.
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* [**DataProtect**](samples/dataprotect) - An app demoing how to use the [**Dataprotect**](components/lib/dataprotect/README.md) component to load and store encrypted data in `SharedPreferences`.
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* [**Glean**](samples/glean) - An app demoing how to use the [**Glean**](components/service/glean/README.md) library to collect and send telemetry data.
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* [**Toolbar**](samples/toolbar) - An app demoing multiple customized toolbars using the [**browser-toolbar**](components/browser/toolbar/README.md) component.
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# Building #
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## Command line ##
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```
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$ git clone https://github.com/mozilla-mobile/android-components.git
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$ cd android-components
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$ ./gradlew assemble
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```
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## Android Studio ##
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If the environment variable `JAVA_HOME` is not defined, you will need to set it. If you would like to use the JDK installed by Android Studio, here's how to find it:
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1. Open Android Studio.
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2. Select "Configure".
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3. Select "Default Project Structure". You should now see the Android JDK location.
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4. Set the environment variable `JAVA_HOME` to the location. (How you set an environment variable depends on your OS.)
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5. Restart Android Studio.
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Once the environment variable is set, you can import the project into Android Studio with the default wizard options.
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If your build fails, you may find you get more instructive error messages by attempting the build at the command line.
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# Coding Standards #
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## Style ##
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We follow the style enforced by [ktlint](https://ktlint.github.io/) and [detekt](https://github.com/detekt/detekt). See [how to configure Android Studio appropriately](https://github.com/pinterest/ktlint#option-1-recommended).
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To check your style, run:
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```
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./gradlew ktlint
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./gradlew detekt
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```
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## Documentation ##
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We use `README.md` files for each component.
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If you fix a bug or change an API, you should update [docs/changelog.md](https://github.com/mozilla-mobile/android-components/blob/main/docs/changelog.md).
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## Testing ##
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You are expected to both add tests for code that you write and make sure that your changes do not
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cause existing tests to fail. You may find these command lines helpful:
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```
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./gradlew test # Run all tests
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./gradlew :support-ktx:testdebugunittest # Run unit tests for a specified module
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```
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See also [how to measure code coverage](https://mozac.org/contributing/code-coverage).
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## Accessibility ##
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If your code has user-facing changes, follow [Android accessibility best practices](https://github.com/mozilla-mobile/shared-docs/blob/main/android/accessibility_guide.md).
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# License
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This Source Code Form is subject to the terms of the Mozilla Public
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License, v. 2.0. If a copy of the MPL was not distributed with this
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file, You can obtain one at http://mozilla.org/MPL/2.0/
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