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agp-9-upgrade

Upgrades, or migrates, an Android project to use Android Gradle Plugin (AGP) version 9. Do not use this skill for migrating Kotlin Multiplatform (KMP) projects.

build-system/agp/agp-9-upgrade/SKILL.md

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## Migration guide

See the [AGP 9 migration guide](references/android/build/releases/agp-9-0-0-release-notes.md) for the major changes, many
breaking, in AGP 9 compared to AGP 8.

## Requirements

If the user requests to update or migrate to AGP 9, first check the AGP version
used in the project. If it is lower than 9, stop and ask the user to run the AGP
Upgrade Assistant in Android Studio to update to the latest stable version of
AGP, and confirm when done. The user may also request that this requirement be
skipped; if this is the case, you should update the version of AGP to the latest
stable version as part of the AGP 9 migration. See the
[AGP 9 migration guide](references/android/build/releases/agp-9-0-0-release-notes.md) for how to do this.