导入安卓工程后:Project has no project.properties file! Edit the project properties to set one!
解决方法:从其他项目中复制一个project.properties文件过来,然后重新Build一下,具体做法是将菜单栏Project->Build Automatically取消,然后再点Project->Build Project,搞定!
Eclipse错误:Project has no default.properties file! Edit the project properties to set one