proguard - Identifying errors in Release build of Android application -


i've started studying build flavors of android application , proguard. i'm doing creating release build of application. this, following changes i've made in buildtypes of build.gradle file. 

buildtypes {     debug {         minifyenabled false         proguardfiles getdefaultproguardfile('proguard-android.txt')     }     release {         minifyenabled true         zipalignenabled true         proguardfiles getdefaultproguardfile('proguard-android.txt'), 'proguard-rules.pro'         signingconfig signingconfigs.chitchatreleaseconfig     } }

i've created proguard-rules.pro file release build referring following link mentioned @ various places.

https://www.guardsquare.com/en/proguard/manual/examples

however, i'm still confused types of files in project apart general files should include in proguard-rules.pro. because due release build, @ points in app, keep getting filenotfoundexception , i'm not able debug it.

so how decide files in project should include in proguard-rules.pro , how debug filenotfoundexception in app in release build?

proguard comes problems works great minifying apk size. suggest if using third party libraries in app use proguard-rules in proguard-rules file.

to error signed apk use fabric crashlytic. easy integrate(10 minute max) , show complete stacktrace of exception on fabric console .


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