Android Studio import Eclipse Project, without changing the directory structure encountered some problems

I am using the latest version of Android studio, mainly referring to the methods in http://blog.csdn.net/royyeah/article/details/43266603, but encounter some problems, as follows:

1, some times will be reported SUPORTV4 package useless, at this time delete can

2, sometimes follow the steps to all OK, but still can not click to run the program, at this time pay attention to error, will report similar to the Android frame removed log, click on the error log, there will be a modification method

Android Studio import Eclipse Project, without changing the directory structure encountered some problems