使用ionic生成apk時遇到的錯誤：[ERROR] An error occurred while running subprocess cordova

剛開始，一直盯着這句紅色的錯誤看，沒注意看上面的報錯，網絡上的方法都試過了，沒有一個管用的，後來發現報錯的具體內容。

* What went wrong:
A problem occurred configuring project ':app'.
> Failed to install the following Android SDK packages as some licences have not been accepted.
     build-tools;28.0.3 Android SDK Build-Tools 28.0.3
  To build this project, accept the SDK license agreements and install the missing components using the Android Studio SDK Manager.
  Alternatively, to transfer the license agreements from one workstation to another, see http://d.android.com/r/studio-ui/export-licenses.html

  Using Android SDK: C:\Program Files\SDK

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

BUILD FAILED in 2s
[ERROR] An error occurred while running subprocess cordova.

        cordova build android exited with exit code 1.

        Re-running this command with the --verbose flag may provide more information.

 Failed to install the following Android SDK packages as some licences have not been accepted.
     build-tools;28.0.3 Android SDK Build-Tools 28.0.3

原來是因爲我安裝的SDK打包工具版本錯了，後來按照錯誤提示，安裝了28.0.3的版本，問題解決。