How to get rid of this gradle error in android studio

hello
every time I write a flutter code this error has thrown.
what can I do solve this and run my program?

Launching lib\main.dart on Android SDK built for x86 64 in debug mode…
Running Gradle task ‘assembleDebug’…

FAILURE: Build failed with an exception.

  • What went wrong:
    A problem occurred configuring root project ‘android’.

Could not resolve all artifacts for configuration ‘:classpath’.
Could not resolve com.android.tools.build:gradle:3.5.0.
Required by:
project :

  > Could not resolve com.android.tools.build:gradle:3.5.0.
     > Could not get resource 'https://jcenter.bintray.com/com/android/tools/build/gradle/3.5.0/gradle-3.5.0.pom'.
        > Could not GET 'https://repo.jfrog.org/artifactory/libs-release-bintray/com/android/tools/build/gradle/3.5.0/gradle-3.5.0.pom?referrer'.
           > repo.jfrog.org
  > Could not resolve com.android.tools.build:gradle:3.5.0.
     > Could not get resource 'https://jcenter.bintray.com/com/android/tools/build/gradle/3.5.0/gradle-3.5.0.pom'.
        > Could not GET 'https://repo.jfrog.org/artifactory/libs-release-bintray/com/android/tools/build/gradle/3.5.0/gradle-3.5.0.pom?referrer'.
           > repo.jfrog.org

Could not resolve com.android.tools.build:gradle:3.5.0.
Required by:
project :
Could not resolve com.android.tools.build:gradle:3.5.0.
Could not get resource ‘https://repo.maven.apache.org/maven2/com/android/tools/build/gradle/3.5.0/gradle-3.5.0.pom’.

  • 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 9s
Exception: Gradle task assembleDebug failed with exit code 1