I can't run an imported project from eclipse, what's the problem?

Question

Java

I imported the project, everything went smoothly, all the files appeared, only the "Run" button is not active, that is, I can not run the application on the device. Tell me what could be the problem? Other projects everything starts

Answer 1

First, click here
Press Alt + Inset -> Select Android Aplications
Next, specify your module (package)
And in Launch Options , specify the class from which you want to start