Run Eclipse. In the Windows | Preferences, click on Android. Locate the folder of the
android-sdk from the step where you installed the android-sdk, as shown in the following screenshot:
Click on Apply and hit OK.
The next thing to do is to download the Android APIs and the operating system images. Installing Android SDK is time consuming. It requires a smooth broadband line because after the installation you need to download the API package for Android and Google API.
To start this, click on the Android SDK Manager icon, as shown in the following screenshot: