Android Multiple dex files define Lcom/google/android/gms/common/api/zza

Question

Building project and deploying app to the emulator with API level 22 or 25 goes ok, but when i try to build APK or deploy app to my real device with API level 16 i get the f

Answer 1

Although I had the same error but the above solution did not work for me. I managed to solve the error by downgrading my firebase-ui library version from 2.0.0 to 1.2.0 and added the following to Project level build.gradle file:

allprojects {
    repositories {
        jcenter()

        // Add the following
        maven {
            url 'https://maven.fabric.io/public'
        }
    }
}