预览layout.xml文件时提示：
This version of the rendering library is more recent than your version of ADT plug-in. Please update ADT plug-in
导致无法正常预览布局文件；
问题根源：SDK版本过高，ADT版本低。修改方式：
1、
|
Change android version while rendering layout. |
2、
Change the Target version to new updates you have. Otherwise, change what SDK version you have in the Android manifest file.
<code><span class="pln">android</span><span class="pun">:</span><span class="pln">minSdkVersion</span><span class="pun">=</span><span class="str">"8"</span><span class="pln"> android</span><span class="pun">:</span><span class="pln">targetSdkVersion</span><span class="pun">=</span><span class="str">"18"</span></code>