Eclipse doesn't render layout

After installing the new Android SDK, the graphical layout in Eclipse is blank.. It shows

This version of the rendering library is more recent than your version of ADT plug-in. Please update ADT plug-in.

If you get this message, it means that your ADT is out of date and needs to be updated. Follow the below steps to update it,

1. Click Help > Install New Software.
2. In the Work with field, enter: https://dl-ssl.google.com/android/eclipse/
3. Select Developer Tools / Android Development Tools.
4. Click Next and complete the wizard.