in app/src/main/java/com/firebase/uidemo/database/firestore/Chat.java [73:83]
public boolean equals(@Nullable Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Chat chat = (Chat) o;
return mTimestamp.equals(chat.mTimestamp)
&& mUid.equals(chat.mUid)
&& (mName == null ? chat.mName == null : mName.equals(chat.mName))
&& (mMessage == null ? chat.mMessage == null : mMessage.equals(chat.mMessage));
}