Android Play Core Inappreview Api Dialog Not Showing Up

I'm trying to utilize the Review API (Play Core library 1.8.0) from Google which was just released today. See https://developer.android.com/guide/playcore/in-app-review. I am curre

Solution 1:

I am trying to investigate this too. Maybe proguard obfuscates some classes of Play Core. Try to keep all classes in Play core, Parcelable and Serializable However in the logcat there are errors

-keep class * implements com.google.android.play { *; }
-keep class com.google.android.play.** { *; }
-keep interface com.google.android.play.** { *; }

-keepclassmembers class * implements android.os.Parcelable {
    static *** CREATOR;
}

-keepclassmembers class * implements java.io.Serializable {
    static final long serialVersionUID;
    static final java.io.ObjectStreamField[] serialPersistentFields;
    private void writeObject(java.io.ObjectOutputStream);
    private void readObject(java.io.ObjectInputStream);
    java.lang.Object writeReplace();
    java.lang.Object readResolve();
}