環境：
①IDEA2019.3.3
②JAVA12
③Android-SDK29.0.3
④Flutter1.14.6
⑤WINDOWS10.0.18363.657
⑥AL10實體機，Android8
問題一：Manager AVDt升級提示
解決辦法：JAVA由12調整為8
問題二:Some Android licenses not accepted. To resolve this, run: flutter doctor --android-licenses
解決辦法：運行E:\App\flutterSDK\flutter>flutter doctor --android-licenses，全部回答y
問題三: No devices available
解決辦法:flutter config --android-sdk E:\App\AndroidSDK(本機android sdk路徑)