Ubuntu 16.04下Android Studio首次创建项目Gradle同步失败求助

Hey there! I totally get how frustrating it is to hit a roadblock right when you're excited to build your first Android project. Let's walk through some practical fixes for that Gradle project sync failed error you're seeing:

• Check your network connection first
  Gradle needs to download dependencies from remote repositories, so a flaky or blocked network is a common culprit. Make sure you can access external sites (try pinging gradle.org in your terminal). If you're using a proxy, double-check that Android Studio has the correct proxy settings under File > Settings > Appearance & Behavior > System Settings > HTTP Proxy.

• Verify Android Studio and Gradle plugin compatibility
  Mismatched versions between Android Studio and the Gradle plugin often cause sync failures. Open your project's root build.gradle file (the one at the project level, not the app module) and look for this line:

  classpath 'com.android.tools.build:gradle:x.x.x'
  

  Ensure this plugin version matches your Android Studio version. For example, if you're on Android Studio 4.2, use plugin version 4.2.0. You can find compatible versions in Android Studio's Settings > Build, Execution, Deployment > Gradle under the "Recommended" section.

• Manually download Gradle if auto-download fails
  Sometimes the auto-download gets stuck. First, check the gradle/wrapper/gradle-wrapper.properties file for the distributionUrl line (it looks like https://services.gradle.org/distributions/gradle-7.0.2-all.zip). Download that zip file manually, then place it in the folder ~/.gradle/wrapper/dists/gradle-7.0.2-all/[random-generated-folder-name]/ (create the folder if it doesn't exist). Restart Android Studio and trigger a sync again.

• Fix your Java environment
  Ubuntu 16.04's default OpenJDK might not play nice with newer Android Studio versions. First, check your current Java version with java -version in the terminal. Android Studio Arctic Fox and above require JDK 11. Install OpenJDK 11 via:

  sudo apt-get install openjdk-11-jdk
  

  Then set this as the Gradle JDK in Android Studio: File > Settings > Build, Execution, Deployment > Build Tools > Gradle > Gradle JDK.

• Clear Android Studio caches
  Corrupted cache files can cause all sorts of weird issues. Go to File > Invalidate Caches..., select "Invalidate and Restart", and let Studio reboot. Once it's back up, try syncing your project again.

• Check file permissions
  Ubuntu's strict file permissions might prevent Android Studio from accessing necessary files. Try running Studio with temporary sudo access (only for testing: sudo ./studio.sh from the installation directory) to see if that fixes it. If it does, adjust the permissions for your project folder:

  chmod -R 755 /path/to/your/android/project
  

If none of these work, grab the full sync log (click "Show Log in Explorer" in the error message) and share the relevant parts—this will help pinpoint the exact issue.

内容的提问来源于stack exchange，提问作者Dheepak L