title: How to ignore the "avoid non-default constructors in fragments" error?
body: <p>I got this error while trying to generate the signed APK. The thing is, my app is able to run and debug normally on my device. I don't know why when I try to generate APK, this error came out. How to ignore this error and generate the signed APK? I am using Android Studio 1.2.1.1 for Mac.</p>