,An internal error occurred during: "Launching New_configuration". Path for project must have only o

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


解决:

在Eclipse中按照如下操作

Project -> Properties -> Run/Debug Settings:
1. select "Launching New_configuration"
2. Delete
3. OK

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