Initial Kotlin port of the Python A2UI SDK.#1012
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jgindin wants to merge 8 commits intogoogle:mainfrom
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Initial Kotlin port of the Python A2UI SDK.#1012jgindin wants to merge 8 commits intogoogle:mainfrom
jgindin wants to merge 8 commits intogoogle:mainfrom
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kotlin rizzcharts updates
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This pull request introduces a Kotlin SDK for the Agent-to-App (A2A) protocol with A2UI integration, featuring request handlers, event converters, and a toolset for rich UI rendering. It also includes a schema management system and a validator for A2UI payload integrity. Review feedback suggests several improvements: replacing printStackTrace with a logging framework, fixing a numeric type conversion bug in JSON parsing, refactoring hardcoded strings and versions into constants, and adopting more idiomatic Kotlin collection operations.
agent_sdks/kotlin/src/main/kotlin/com/google/a2ui/a2a/A2aHandler.kt
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agent_sdks/kotlin/src/main/kotlin/com/google/a2ui/a2a/A2aHandler.kt
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agent_sdks/kotlin/src/main/kotlin/com/google/a2ui/core/schema/Validator.kt
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agent_sdks/kotlin/src/main/kotlin/com/google/a2ui/a2a/A2aHandler.kt
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agent_sdks/kotlin/src/main/kotlin/com/google/a2ui/a2a/A2aHandler.kt
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Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
Decompose the `handleA2aPost` method into smaller ones. Also, fix the previous commit, which Github messed up.
nan-yu
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Mar 27, 2026
agent_sdks/kotlin/src/main/kotlin/com/google/a2ui/a2a/A2uiA2a.kt
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nan-yu
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Mar 27, 2026
nan-yu
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Mar 27, 2026
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nan-yu
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Thanks, looks good to me overall!
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Description
Port of the Python SDK. Developed with significant help from various forms of Gemini.
See the later PRs which create new versions of the rizzcharts sample for both Kotlin and Java as demonstrations of this SDK.
Pre-launch Checklist