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For Android app development, the package set you need is officially called the Android SDK, not the “Android Developer Kit” or ADK. You can install and manage it through Android Studio, or use command-line tools without the IDE. You do not need a physical Android phone to get started: Google’s emulator lets you build and test apps on virtual devices.
What is the Android SDK?
The Android SDK (Software Development Kit) is a collection of separately managed packages used to build, package, install, debug, and test Android apps. It is not one all-in-one program. Android Studio is the integrated development environment commonly used to write apps and manage SDK components; the SDK is the set of tools and platform packages that the development workflow uses.
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“Android Developer Kit (ADK)” is not the name used in Android Developers documentation for this app-development package set. Searching for “Android SDK” will lead to the relevant installation instructions and packages. Android Developers: Command-line tools
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Which packages you need depends on what you are doing. The main groups cover SDK package management, building apps, connecting to devices, and testing in a virtual Android environment.
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| Package or component | What it does |
|---|---|
| Command-line tools | Include sdkmanager to list, install, update, and uninstall SDK packages, and avdmanager to create and manage Android Virtual Devices. |
| Build tools | Provide utilities used to build apps. For example, AAPT2 compiles and packages resources, while apksigner signs APKs and checks their signatures. |
| Platform tools | Include adb for working with an emulator or connected Android device, including installing APKs; fastboot for flashing devices; and logcat for viewing app and system logs. |
| Android Emulator | Runs a software Android environment so you can debug and test without a physical device. |
| Android platform packages | Supply the platform version used to compile an app. You need at least one platform package to compile. |
SDK packages can be installed and updated independently. Build-tools versions can coexist, allowing projects to use the versions they require. Consult the official SDK tools documentation for the roles of individual tools.
Do you need Android Studio to develop Android apps?
No. Android Studio is the usual graphical route: install it, follow its setup wizard, and it downloads SDK components. Its SDK Manager lets you select and update tools and Android platforms. If you do not want the IDE, you can install the command-line tools and manage packages with sdkmanager. Google documents both approaches in its SDK update and management guidance.
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For a graphical setup, install Android Studio and complete the setup wizard, then open the SDK Manager to review installed platforms and tools. Install at least one Android platform to compile an app. Google recommends using the latest platform version as the build target for the best experience on current devices; apps can still run on older Android versions.
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For a headless machine such as a CI server, use sdkmanager to install the required packages. You may need to accept SDK package licenses after installing them. Stable is the default package channel; beta and canary channels are for preview releases, so use them only when you specifically need to test preview components. Follow the official command-line setup instructions for the current package and license steps.
Do you need an Android phone to test an app?
No. You can install the SDK, compile an app, and test it using the Android Emulator without owning a phone. Google describes the emulator as its preferred way to test across device configurations and Android API levels. A modern physical Android device is another option for deploying and testing an app, and Android Device Streaming Service is also listed in the installation guidance. Android Developers: Install Android Studio
| Testing route | Useful when | Trade-off |
|---|---|---|
| Android Emulator | You need to try different device configurations or API levels without obtaining multiple physical devices. | It runs virtually, so it does not reproduce every behavior of real hardware. |
| Physical Android device | You need to check behavior on real hardware or deploy directly to a device. | It requires access to a compatible phone; buying one is not necessary to install the SDK or begin using the emulator. |
For Google-device ADB debugging on Windows, the SDK Manager documentation says a Google USB Driver is required. This is a specific Windows and Google-device requirement, not a general prerequisite for emulator testing.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Which SDK version should you install?
Install the platform and tools your project requires, and use the stable package channel for ordinary development. If you are setting up a new project for current devices, Google recommends the latest Android platform as the build target. Individual tools receive their own updates, so a version number is a snapshot rather than a lasting installation rule.
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What should you install first?
- Choose a workflow. Install Android Studio for a graphical IDE and SDK Manager, or choose the command-line tools if you only need package management and a headless workflow.
- Install an Android platform. At least one platform package is required to compile an app. For a new project, the official guidance recommends the latest platform as the build target.
- Add the tools your workflow needs. Build tools and platform tools support building and deploying apps; add the emulator if you want virtual-device testing.
- Accept package licenses when prompted. This can be part of command-line setup after packages are installed.
- Test virtually or on hardware. Start with the emulator if you do not have a phone; connect a physical device when real-hardware behavior matters.
Android Studio’s system requirements change and distinguish between running Studio alone and running Studio with the Emulator. Check the current installation page for requirements that match the setup you plan to use.
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