Android requires compiler compliance level 5.0 or 6.0. Found '1.4' instead.解决方法

今天在eclipse里报这个错误：

Android requires compiler compliance level 5.0 or 6.0. Found '1.4' instead. Please fix project properties 

1. 项目 右键 ->android tools ->Fix Project

2. 如果不可以，检查Project -> Properties->Java Compiler 

    确认JDK compliance被设置为1.6,并且enable specific seetings.