To fix that, you have to open the SDK Manager, deselect the ‘Hide obsolete packages’ option on the bottom-right corner, and further, install the Android SDK Tools (obsolete) folder.

This guide will describe how to install the Android SDK and set up your chosen development environments. If you’ haven’t already done so you can download the Android SDK from the link below ...

It also includes additional Android developer tools that can be used for debugging, compiling, and more. Among these, the ADB shell is one of the most important Android developer tools.

Android development starts with the Android SDK - a collection of tools needed to build any kind of Android app. Discover what's included and how to use it.

Then select the Developer Tools option and begin the installation process. Follow the steps to install the plug in. If the user needs the Europa version, the steps are as follows.

Through Google+ developers get Google’s handy tools to make their games more social. To use game services, developers can set up the Google Play services SDK, and study the game services samples ...