Search results for “site:android.com”

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developer.android.com jetpack › androidx › explorer

Explore the Jetpack libraries by type  |  Android Developers

Access composable APIs built on top of Activity. ads Get an advertising ID with or without Play Services. annotation Expose metadata that helps tools and other developers understand your app's code. appcompat * Allows access to new APIs on older API versions of the platform (many using Material...

developer.android.com jetpack › androidx › versions

AndroidX releases  |  Jetpack  |  Android Developers

Jetpack libraries ship separately from the Android OS, so updates to the libraries can happen independently and more frequently. The libraries follow strict semantic versioning for binary compatibility with an added inter-version sequence of pre-release revisions. A version string (like...

developer.android.com topic › libraries › architecture

Guide to app architecture  |  App architecture  |  Android Developers

Android OS then uses this file to decide how to integrate your app into the device's overall user experience. Given that a typical Android app might contain multiple components and that users often interact with multiple apps in a short period of time, apps need to adapt to different kinds of...

developer.android.com topic › libraries › view-binding

View binding  |  App architecture  |  Android Developers

View binding is a feature that makes it easier to write code that interacts with views. Once view binding is enabled in a module, it generates a binding class for each XML layout file present in that module. An instance of a binding class contains direct references to all views that have an ID in...

developer.android.com training › testing › fundamentals

Fundamentals of testing Android apps  |  Test your app on Android  |  Android Developers

This page outlines the core tenets of testing Android apps, including the central best practices and their benefits. Benefits of testing Testing is an integral part of the app development process. By running tests against your app consistently, you can verify your app's correctness, functional...

developer.android.com about › versions › jelly-bean.html

Jelly Bean  |  Android Developers

Welcome to Android 4.3, a sweeter version of Jelly Bean! Android 4.3 includes performance optimizations and great new features for users and developers. This document provides a glimpse of what's new for developers. See the Android 4.3 APIs document…

Save: Jelly Bean  |  Android Developers
developer.android.com guide › components › intents-filters

Intents and intent filters  |  App architecture  |  Android Developers

An Intent is a messaging object you can use to request an action from another app component. Although intents facilitate communication between components in several ways, there are three fundamental use cases: Starting an activity An Activity represents a single screen in an app. You can start a...

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