使用Unity 2018 Beta构建Android版本失败求助

Hey there, let's work through this Android build issue together. Since you've confirmed SDK/JDK are installed and linked in Unity, and avdmanager is in the expected path, let's check the less obvious but common causes that often slip through initial checks:

• Double-check SDK Platform & Build Tools version alignment
  Unity relies on specific versions of Android SDK Platforms and Build Tools to match its target API settings. Head to Edit > Preferences > External Tools in Unity, click Launch SDK Manager, and verify:

  • You have the SDK Platform that matches your project's target API level (check Player Settings > Android > Other Settings > Target API Level)
  • The corresponding Build Tools version is installed (Unity usually flags incompatible versions, but sometimes minor mismatches fly under the radar)

• Validate JDK compatibility with your setup
  Make sure your JDK version plays nice with both your Unity version and Android SDK. For example, Unity 2022+ works best with OpenJDK 11, while older Unity versions often require OpenJDK 8.

  • Confirm the JDK path in Edit > Preferences > External Tools points to the correct version
  • Check your system's PATH environment variable to ensure no conflicting JDK installations are overriding Unity's selected one

• Repair corrupted SDK components
  Corrupted SDK files can cause silent build failures. Try these steps:

  1. Delete the .android folder in your user directory (e.g., C:\Users\YourName\.android on Windows, ~/Library/Android/sdk on Mac)
  2. Re-launch the SDK Manager to reinstall necessary components
  3. Or use the command-line tool to repair directly:

     sdkmanager --repair
     

• Dig into the full build log for root cause
  Truncated error messages rarely show the real issue. In Unity, go to Window > General > Console, click the three-dot menu in the top-right, and select Open Editor Log. Search for keywords like error: or exception—this will often reveal hidden problems like invalid permissions, conflicting plugins, or broken AndroidManifest.xml configurations.

• Reset Unity's external tool cache
  Sometimes Unity's cached configs get corrupted. Go to Edit > Preferences > External Tools, uncheck Android SDK Installed with Unity (recommended), re-select your custom SDK/JDK paths manually, then restart Unity.

• Test for plugin conflicts
  Outdated or poorly optimized third-party plugins are a frequent culprit. Try disabling all non-essential plugins and run a build. If it succeeds, re-enable plugins one by one to pinpoint the problematic one.

If you can share the full error snippet from your console, we can narrow this down even faster!

内容的提问来源于stack exchange，提问作者Mickey Blumental