Android SDK tool updates
1 ) Common Issues with SDK Tool Updates
Developers face errors related to unaccepted license agreements after updating Android SDK Build Tools, particularly version 26.0.2.
Build failures can occur suddenly without changes to build configurations due to updated Docker images or SDK components.
The problem typically involves missing components or licenses that have not been accepted on the build machine.
2 ) Causes of Update Failures
Build tools versions required by the project may not be installed in the build environment.
Environmental variables like ANDROID_HOME may be misconfigured or outdated.
Licensing agreements for new SDK components are sometimes not automatically accepted, resulting in build errors.
3 ) Workarounds and Solutions
Update the SDK and accept all licenses manually by running:
sdkmanager update && yes | sdkmanager licenses
Ensure that the required build tools (e.g., 26.0.2 ) are installed in the environment.
Correctly set the ANDROID_HOME environment variable to point to the SDK directory without appending tool subdirectories.
Remove leftover Android directories and reinstall SDK tools if necessary.
Use the SDK Manager within Android Studio or command line tools to manage components.
4 ) Best Practices for Managing SDK Updates
Regularly update Docker images used for CI builds to include latest SDK components.
Track license agreements and distribute them across developer workstations or CI environments to prevent license acceptance issues.
Verify build tool versions compatibility with build plugins like Google services plugin.
Monitor Android SDK repository updates to anticipate required updates in build environments.
5 ) Community Support and Recommendations
Developers share solutions such as fixing environment variables, reinstalling SDK tools, and accepting licenses via command line.
Docker and CI platform maintainers update Android build images to include latest build tools but sometimes with delays.
Official Android documentation provides guidance on exporting licenses and updating SDK components via command line, aiding automated build environments.
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