If you encounter problems, see the Troubleshooting section. Before you can install or use ADT, you must have a compatible version of Eclipse installed on your development computer.Additionally, before you can configure or use ADT, you must install the Android SDK starter package, as described in Downloading the SDK Starter Package.
If you install ADT 0.9.5, which is highly recommended, you should use the Android SDK and AVD Manager to download the latest SDK Tools into your SDK. ADT 0.9.4 requires features provided in SDK Tools r3 or higher.
If you install ADT 0.9.4, which is highly recommended, you should use the Android SDK and AVD Manager to download the latest SDK Tools into your SDK. The sections below provide instructions on how to download and install ADT into your Eclipse environment.
If you are having trouble downloading the ADT plugin after following the steps above, here are some suggestions: To update your plugin once you've installed using the zip file, you will have to follow these steps again instead of the default update instructions.
Note that there are features of ADT that require some optional Eclipse components (for example, WST).
If you encounter an error when installing ADT, your Eclipse installion might not include these components.