Problems with Android Development (iii)--eclipse creating an Android project does not preview the layout file properly

First, the problem description

Today, using SDK Manager to update the Android SDK version to the version of Android 5.1, Eclipse when creating an Android project, when previewing the Activity_main.xml file when you are prompted: This version of the Rendering library is more recent than your version of ADT plug-in. Please update ADT plug-in, resulting in the inability to preview the layout file properly, as shown in:

　　

Surfing the internet for a reason, the source of the problem: The SDK version is too high, ADT version is too low.

Ii. solution to the problem-upgrading ADT plug-ins

View the current version of the ADT plugin

　　

Update ADT Plugin Online: Help--Install New softwares ...,

　　

　　

　　

　　

Click on the "Finish" button to start the installation, restart Eclipse after the installation is complete. After updating the ADT plug-in, you can preview the view as expected, as shown in:

　　

This is by updating the ADT plugin online to solve the problem, this online update ADT plugin requires FQ to be able to properly update the success.

Problems with Android Development (iii)--eclipse creating an Android project does not preview the layout file properly