An internal error occurred during: "Launching New_configuration".
自己新建工程，写的程序，用模拟器运行OK。
一旦导入一些简单的demo就报错，An internal error occurred during: "Launching New_configuration".
Path for project must have only one segment.
problems里面显示: the type R is already defined
纠结。
[解决办法]
对导入的工程最好先clean一下，再build