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Google releases ADK for Kotlin 1.0 with full feature parity to Python and Java cores
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Google released ADK for Kotlin 1.0, a production-ready agent development framework that achieves full feature parity with the Python and Java ADK cores while adding Android-first on-device extensions.
Kotlin developers can now build production-ready multi-agent AI systems with idiomatic Kotlin, including on-device Android agents, without switching to Python or Java. The KSP-based compile-time tool generation eliminates runtime reflection and provides type-safe schemas for function calling.
Written by elseif from the cluster below · every claim links back to a sourceThe three things worth knowing
ADK for Kotlin 1.0 reaches full feature parity with ADK Python and Java cores, supporting hierarchical multi-agent systems, context compaction, and human-in-the-loop flows.
Android-first extensions enable on-device agents via LiteRT-LM and ML Kit (beta), hybrid cloud orchestration via Firebase AI Logic, and state persistence via Room and AppSearch.
Kotlin Symbol Processing generates type-safe function call schemas at compile time with support for suspend functions and zero runtime reflection.
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