剛完成20集Connect4教程錄製，近程雙機聯網對戰。全網獨家視頻示範如何解決Xcode11中的一個聯網問題。

第一集

第二集

第十七集

We replace MCAdvertiserAssistant with MCNearbyServiceAdvertiser because the former fails to work in the latest Xcode version 11.x. We got Declined when using MCAdvertiserAssistant. There is post in stack overflow: Multipeer Connectivity not working after Xcode 11 update https://stackoverflow.com/questions/58563621/multipeer-connectivity-not-working-after-xcode-11-update