Unable To Find Method 'com.android.tools.r8.version.getversionstring()ljava/lang/string;'

I have updated my android studio to 3.4. I am getting error while making release build. Unable to find method 'com.android.tools.r8.Version.getVersionString()Ljava/lang/String;'.

Solution 1:

The issue is that you have a fixed version dependency on R8 1.3.52:

classpath ('com.android.tools:r8:1.3.52' ) { transitive false }

And the com.android.tools.r8.Version method

public String getVersionString()

is only present in the R8 1.4 versions and above.

I assume that you are using a fixed version of R8 due to a bug fix in that version. However that should also be fixed in the latest version, so I suggest that you remove the fixed R8 version dependency and use what is shipped with Android Studio.

Solution 2:

I solved it. From android studio 3.4 R8 versioning is added in android studio. So i did some changes in my build.gradle file and gradle.properties file

In my app level build.gradle file in release section I added one line

useProguard false

& in gradle.properties file

android.enableR8=true

so it will use R8 Versioning to create my APK.

Incase if you dont want to use R8 versioning and want to continue with proguard then make

android.enableR8=false //in gradle.properties file

Hope this will help someone