1- Android SDK version 28ui
Android Studio -> SDK Manager -> SDK Platforms tab -> 選擇 Android 9.0 Pie 並安裝orm
2- Android BuildTools version 28.0.3cmd
Android Studio -> SDK Manager -> SDK Tools tab -> 選擇右下角 Show Package Details -> 在 Android SDK Build-Tools 裏選擇 28.0.3 並下載io
而後重啓Android studio,再在cmd裏輸入命令便可form