turn on minifimication

app/build.gradle

@@ -22,7 +22,8 @@ android {
     }
     buildTypes {
         release {
-            minifyEnabled false
+            minifyEnabled true
+            shrinkResources true
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
         debug {

app/proguard-rules.pro

@@ -23,4 +23,10 @@
 # per https://medium.com/@kenkyee/android-kotlin-coroutine-best-practices-bc033fed62e7
 -keepnames class kotlinx.coroutines.internal.MainDispatcherFactory {}
 -keepnames class kotlinx.coroutines.CoroutineExceptionHandler {}
--keepclassmembernames class kotlinx.** { volatile <fields>; }
+-keepclassmembernames class kotlinx.** { volatile <fields>; }
+
+# Needed for protobufs
+-keepclassmembers class * extends com.google.protobuf.GeneratedMessageLite { <fields>; }
+
+# Our app is opensource no need to obsfucate
+-dontobfuscate