Using mailcore2 from cocoapod in SWIFT 2

I'm using mailcore2 in my project with SWIFT 2 and I made everything about installation, create pod file , updating pod file , creating header at the correct path , change it at Build setting but when I'm trying to import mailcore2 in my controller-view it gives me this error :

This picture for the tree of my project

What is the problem in this case if I made everything correctly !


I find the solution by removing import from the controller because I recognize that after reading these lines

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Convert array of strings into a string in Java

java arrays string

I want the Java code for converting an array of strings into an string.