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Dec 17, 2025 · Mobile Development

How to Upgrade Legacy Android Projects to Target SDK 35 with Gradle 8 and JDK 17

Upgrading an old Android project to meet Google Play's new targetSdk 35 requirement involves moving to AGP 8, Gradle 8, and JDK 17, updating namespace, enabling BuildConfig, fixing non‑final resource IDs, and applying JVM arguments to keep ButterKnife functional despite its deprecation.