Could not resolve org.antlr:antlr4:4.5.3.

[iamwutianbao]

Hi, I clone this AwesomeCard flutter project. An exception occured when running. seel below:

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 org.antlr:antlr4:4.5.3.
Required by:
project : > com.android.tools.build:gradle:3.2.1 > androidx.databinding:databinding-compiler-common:3.2.1
> Could not resolve org.antlr:antlr4:4.5.3.
> Could not parse POM https://jcenter.bintray.com/org/antlr/antlr4/4.5.3/antlr4-4.5.3.pom
> Could not resolve org.antlr:antlr4-master:4.5.3.
> Could not resolve org.antlr:antlr4-master:4.5.3.
> Could not parse POM https://jcenter.bintray.com/org/antlr/antlr4-master/4.5.3/antlr4-master-4.5.3.pom
> Could not resolve org.sonatype.oss:oss-parent:9.
> Could not resolve org.sonatype.oss:oss-parent:9.
> Could not get resource 'https://jcenter.bintray.com/org/sonatype/oss/oss-parent/9/oss-parent-9.pom'.
> Could not GET 'https://jcenter.bintray.com/org/sonatype/oss/oss-parent/9/oss-parent-9.pom'.
> Read timed out
Could not resolve org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.2.71.
Required by:
project : > com.android.tools.build:gradle:3.2.1 > org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.2.71
> Skipped due to earlier error
Could not resolve net.sf.proguard:proguard-base:6.0.3.
Required by:
project : > com.android.tools.build:gradle:3.2.1 > net.sf.proguard:proguard-gradle:6.0.3
> Skipped due to earlier error
Could not resolve com.google.auto.value:auto-value:1.5.2.
Required by:
project : > com.android.tools.build:gradle:3.2.1 > com.android.tools.build:bundletool:0.5.0
> Skipped due to earlier error
Could not resolve com.google.errorprone:error_prone_annotations:2.2.0.
Required by:
project : > com.android.tools.build:gradle:3.2.1 > com.android.tools.build:bundletool:0.5.0
> Skipped due to earlier error
Could not resolve com.google.protobuf:protobuf-java:3.4.0.
Required by:
project : > com.android.tools.build:gradle:3.2.1 > com.android.tools.build:bundletool:0.5.0
project : > com.android.tools.build:gradle:3.2.1 > com.android.tools.build:builder:3.2.1 > com.android.tools:sdk-common:26.2.1
project : > com.android.tools.build:gradle:3.2.1 > com.android.tools.build:builder:3.2.1 > com.android.tools.analytics-library:protos:26.2.1
project : > com.android.tools.build:gradle:3.2.1 > com.android.tools.build:builder:3.2.1 > com.android.tools.analytics-library:tracker:26.2.1
project : > com.android.tools.build:gradle:3.2.1 > com.android.tools.build:bundletool:0.5.0 > com.android.tools.build:aapt2-proto:0.3.1
> Skipped due to earlier error
Could not resolve com.google.protobuf:protobuf-java-util:3.4.0.
Required by:
project : > com.android.tools.build:gradle:3.2.1 > com.android.tools.build:bundletool:0.5.0
> Skipped due to earlier error
Could not resolve org.jdom:jdom2:2.0.6.
Required by:
project : > com.android.tools.build:gradle:3.2.1 > com.android.tools.build.jetifier:jetifier-processor:1.0.0-alpha10
> Skipped due to earlier error
Could not resolve org.jetbrains.kotlin:kotlin-stdlib-common:1.2.71.
Required by:
project : > org.jetbrains.kotlin:kotlin-gradle-plugin:1.2.71 > org.jetbrains.kotlin:kotlin-stdlib:1.2.71
> Skipped due to earlier error
Could not resolve org.jetbrains:annotations:13.0.
Required by:
project : > org.jetbrains.kotlin:kotlin-gradle-plugin:1.2.71 > org.jetbrains.kotlin:kotlin-stdlib:1.2.71
project : > com.android.tools.build:gradle:3.2.1 > com.android.tools.build:builder:3.2.1 > com.android.tools:sdklib:26.2.1 > com.android.tools.layoutlib:layoutlib-api:26.2.1
> Skipped due to earlier error
Could not resolve org.jetbrains.kotlin:kotlin-script-runtime:1.2.71.
Required by:
project : > org.jetbrains.kotlin:kotlin-gradle-plugin:1.2.71 > org.jetbrains.kotlin:kotlin-compiler-embeddable:1.2.71
> Skipped due to earlier error
Could not resolve org.jetbrains.kotlin:kotlin-build-common:1.2.71.
Required by:
project : > org.jetbrains.kotlin:kotlin-gradle-plugin:1.2.71 > org.jetbrains.kotlin:kotlin-compiler-runner:1.2.71
> Skipped due to earlier error
Could not resolve org.jetbrains.kotlin:kotlin-daemon-client:1.2.71.
Required by:
project : > org.jetbrains.kotlin:kotlin-gradle-plugin:1.2.71 > org.jetbrains.kotlin:kotlin-compiler-runner:1.2.71
> Skipped due to earlier error
Could not resolve org.apache.commons:commons-compress:1.12.
Required by:
project : > com.android.tools.build:gradle:3.2.1 > com.android.tools.build:builder:3.2.1 > com.android.tools:sdklib:26.2.1
project : > com.android.tools.build:gradle:3.2.1 > com.android.tools.build:builder:3.2.1 > com.android.tools:sdklib:26.2.1 > com.android.tools:repository:26.2.1
> Skipped due to earlier error
Could not resolve javax.inject:javax.inject:1.
Required by:
project : > com.android.tools.build:gradle:3.2.1 > com.android.tools.build:builder:3.2.1 > com.android.tools:sdk-common:26.2.1
> Skipped due to earlier error
Could not resolve net.sf.kxml:kxml2:2.3.0.
Required by:
project : > com.android.tools.build:gradle:3.2.1 > com.android.tools.build:builder:3.2.1 > com.android.tools.build:manifest-merger:26.2.1
project : > com.android.tools.build:gradle:3.2.1 > com.android.tools.build:builder:3.2.1 > com.android.tools.ddms:ddmlib:26.2.1
project : > com.android.tools.build:gradle:3.2.1 > com.android.tools.build:builder:3.2.1 > com.android.tools:sdklib:26.2.1 > com.android.tools.layoutlib:layoutlib-api:26.2.1
> Skipped due to earlier error
Could not resolve com.google.code.findbugs:jsr305:1.3.9.
Required by:
project : > com.android.tools.build:gradle:3.2.1 > com.android.tools.build:builder:3.2.1 > com.android.tools.build:apkzlib:3.2.1
project : > com.android.tools.build:gradle:3.2.1 > com.android.tools.analytics-library:shared:26.2.1 > com.google.guava:guava:23.0
> Skipped due to earlier error
Could not resolve com.google.errorprone:error_prone_annotations:2.2.0.
Required by:
project : > com.android.tools.build:gradle:3.2.1 > com.android.tools.analytics-library:shared:26.2.1 > com.google.guava:guava:23.0
> Skipped due to earlier error
Could not resolve com.google.j2objc:j2objc-annotations:1.1.
Required by:
project : > com.android.tools.build:gradle:3.2.1 > com.android.tools.analytics-library:shared:26.2.1 > com.google.guava:guava:23.0
> Skipped due to earlier error
Could not resolve org.codehaus.mojo:animal-sniffer-annotations:1.14.
Required by:
project : > com.android.tools.build:gradle:3.2.1 > com.android.tools.analytics-library:shared:26.2.1 > com.google.guava:guava:23.0
> Skipped due to earlier error
Could not resolve commons-logging:commons-logging:1.2.
Required by:
project : > com.android.tools.build:gradle:3.2.1 > com.android.tools.analytics-library:crash:26.2.1 > org.apache.httpcomponents:httpclient:4.5.2
> Skipped due to earlier error
Could not resolve commons-codec:commons-codec:1.9.
Required by:
project : > com.android.tools.build:gradle:3.2.1 > com.android.tools.analytics-library:crash:26.2.1 > org.apache.httpcomponents:httpclient:4.5.2
> Skipped due to earlier error
Could not resolve com.sun.activation:javax.activation:1.2.0.
Required by:
project : > com.android.tools.build:gradle:3.2.1 > com.android.tools.build:builder:3.2.1 > com.android.tools:sdklib:26.2.1 > com.android.tools:repository:26.2.1
> Skipped due to earlier error
Could not resolve org.glassfish.jaxb:jaxb-runtime:2.2.11.
Required by:
project : > com.android.tools.build:gradle:3.2.1 > com.android.tools.build:builder:3.2.1 > com.android.tools:sdklib:26.2.1 > com.android.tools:repository:26.2.1
> Skipped due to earlier error
Could not resolve com.google.jimfs:jimfs:1.1.
Required by:
project : > com.android.tools.build:gradle:3.2.1 > com.android.tools.build:builder:3.2.1 > com.android.tools:sdklib:26.2.1 > com.android.tools:repository:26.2.1
> Skipped due to earlier error

• 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 5m 20s
Finished with error: Gradle task assembleDebug failed with exit code 1

I can not figure it out. I dont know if this occurred to you. thank you.