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استاد من اندروید استادیو را اپدیت کردم بعد از اون میخوام برنامه ام را اجرا کنم این خطا را میده و اجرا نمیشه 

FAILURE: Build failed with an exception.

* What went wrong:
A problem occurred configuring root project 'shop'.
> Could not resolve all artifacts for configuration ':classpath'.
   > Could not resolve com.android.tools.build:gradle:4.0.0.
     Required by:
         project :
      > Could not resolve com.android.tools.build:gradle:4.0.0.
         > Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle/4.0.0/gradle-4.0.0.pom'.
            > Could not HEAD 'https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle/4.0.0/gradle-4.0.0.pom'.
               > Connect to 127.0.0.1:1234 [/127.0.0.1] failed: Connection refused: no further information
      > Could not resolve com.android.tools.build:gradle:4.0.0.
         > Could not get resource 'https://jcenter.bintray.com/com/android/tools/build/gradle/4.0.0/gradle-4.0.0.pom'.
            > Could not HEAD 'https://jcenter.bintray.com/com/android/tools/build/gradle/4.0.0/gradle-4.0.0.pom'.
               > Connect to 127.0.0.1:1234 [/127.0.0.1] failed: Connection refused: no further information

* 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 34s

error Failed to install the app. Make sure you have the Android development environment set up: https://reactnative.dev/docs/environment-setup. Run CLI with --verbose flag for more 
details.
Error: Command failed: gradlew.bat app:installDebug -PreactNativeDevServerPort=8081

استاد الان باید چیکار کنم 😭😢

استاد یه خواهش دیگه ای هم داشتم ایا امکانش هست پروژه این دوره را یه برنامه چت ساده با Socket.IOبسازید 🙏🏻🙏🏻