Cannot complete the install because one or more required items could not be found. Software being installed: Android Development Tools 14.0.0.v201110171935-205994 (com.android.ide.eclipse.adt.feature.group 14.0.0.v201110171935-205994) Missing requirement: Android Development Tools 14.0.0.v201110171935-205994 (com.android.ide.eclipse.adt.feature.group 14.0.0.v201110171935-205994) requires 'org.eclipse.wst.sse.core 0.0.0' but it could not be found
解决办法：
1. 下载其他版本的eclipse，如Eclipse IDE for Java EE Developers， Eclipse for RCP and RAP Developers
2. 安装所缺少的插件，在eclipse的 help-->Install New Softwares-->Add 添加Location: (注意eclipse的版本名，3.7叫indigo，3.6叫helios，3.5叫galileo，这个对所下插件的版本有影响，然后找到一个叫WST Server Adapters的插件安装好，最后再安装Android ADT。