What Android Studio is
Android Studio is the official integrated development environment for building Android apps, maintained by Google. It brings together the code editor, build tools, emulator, and debugging features that developers need in one application. Google announced it in 2013 and released the first stable version in late 2014, when it replaced the older Eclipse-based tools as the recommended way to build Android apps.
Built on IntelliJ IDEA
Android Studio is based on IntelliJ IDEA, a popular development environment from the software company JetBrains. That gives it powerful editing features such as smart code completion, refactoring, and real-time error checking. Google layers Android-specific tools on top, including templates for new projects, editors for layouts and resources, and checks that catch common Android mistakes before an app ever runs.
Languages and build system
Developers using Android Studio mainly write in Kotlin, which Google has named its preferred language for Android since 2019, though Java remains fully supported and C++ can be used for performance-critical code. Projects are built with Gradle, a build system that compiles the code, packages resources, manages libraries, and produces the final app files ready for testing or release.
Testing with the emulator
Android Studio includes the Android Emulator, which runs virtual phones, tablets, watches, and TVs on a computer. Developers can test apps on many screen sizes and Android versions without owning every device, and they can connect real phones too. Profilers show how an app uses the processor, memory, network, and battery, helping developers find slow or wasteful code before users notice it.
Designing with Jetpack Compose
Modern Android interfaces are often built with Jetpack Compose, Google's toolkit for describing screens directly in Kotlin code. Android Studio shows live previews of Compose layouts as the code changes, so developers can see the result immediately. When an app is finished, Android Studio packages it as an app bundle, signs it with the developer's key, and prepares it for upload to Google Play.
The bottom line
Android Studio is the main workshop for Android development, combining a capable code editor, the Gradle build system, an emulator, and design and profiling tools in one free application for Windows, macOS, Linux, and ChromeOS. Many of the apps on Android phones were built with it. Understanding what it offers explains how ideas become finished apps that anyone can download from Google Play.
Related on Skillo
See also: What is an APK file? Explained, What is an SDK? Explained.
Sources
Published date reflects the original event date (2026-10-24). This article is original Skillo editorial written from the sources above; facts were verified in September 2026.
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