Failed to install the following Android SDK packages as some licences have not been accepted.

File /Users/jp/.android/repositories.cfg could not be loaded.
Checking the license for package Android SDK Build-Tools 28.0.3 in /Users/jp/work/software/android-sdk-linux/licenses
Warning: License for package Android SDK Build-Tools 28.0.3 not accepted.

FAILURE: Build failed with an exception.

* 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: /Users/jp/work/software/android-sdk-linux

* 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

Deprecated Gradle features were used in this build, making it incompatible with Gradle 7.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/6.0/userguide/command_line_interface.html#sec:command_line_warnings

BUILD FAILED in 1m 7s

　　提示就是没有SDK 证书，需要进入 sdk/tools/bin 目录

　　执行 ./sdkmanager --licenses

　　如果提示 “Error: Unknown argument --licenses”，说明你的 sdkmanager --licenses 版本太低，需要先升级

        执行 ./sdkmanager --update