Android studio 我的flatter项目未能在安卓设备上运行&；它'；他提到了一些许可证问题

我的flatterSDK路径在

C:\flatter

下

运行

flatter run

时出现以下错误：

Running Gradle task 'assembleDebug'...
Checking the license for package Android SDK Build-Tools 28.0.3 in C:\Users\khaled\AppData\Local\Android\sdk\licenses
Warning: License for package Android SDK Build-Tools 28.0.3 not accepted.
Checking the license for package Android SDK Platform 28 in C:\Users\khaled\AppData\Local\Android\sdk\licenses
Warning: License for package Android SDK Platform 28 not accepted.

FAILURE: Build failed with an exception.

* What went wrong:
Could not determine the dependencies of task ':app:compileDebugJavaWithJavac'.
> 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
     platforms;android-28 Android SDK Platform 28
  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:\Users\khaled\AppData\Local\Android\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 20m 16s
Finished with error: Gradle task assembleDebug failed with exit code 1

开放式终端

在命令下方键入此命令：

flatter医生——android许可证

它将询问您两个选项：（y/N），为每个许可证按“y”，然后继续按“Enter”， 对于每个许可证，直到它显示所有已接受的许可证

你能试试这个吗？