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Android AppFunctions are indexed/enabled on device but Gemini cannot resolve custom function metadata

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评估

难度
4/5
预计耗时
3-5 天
新手友好度
35/100
Issue 类型
缺陷
描述清晰度
需要澄清
活跃度
冷清
技术栈
android, kotlin
领域
ai, mobile

调研方向

报告中没有指明任何仓库文件或测试。先从 Android AppFunctions 文档和最小复现开始,然后检查 dumpsys app_function 以及报告中的 Unable to resolve AppFunctionMetadata 日志。完成的标准是确定 Gemini 是否支持这些自定义 schema,并记录已确认的兼容性限制或可执行的仓库变更。

由索引模型根据 Issue 内容生成。

描述

Description of the bug

I integrated Android AppFunctions in a third-party app and verified that the platform indexes and enables all functions. However, Gemini does not discover or execute these functions and logs metadata resolution failures.

Image
Environment
  • Device: Samsung Galaxy A34 (SM-A346B)
  • Android: 16 (SDK 36)
  • Build tools: AGP 8.9.1, Gradle 8.14.3
  • Language/tooling: Kotlin 2.1.10, KSP 2.1.10-1.0.31
  • Libraries:
    • androidx.appfunctions:appfunctions:1.0.0-alpha07
    • androidx.appfunctions:appfunctions-service:1.0.0-alpha07
    • androidx.appfunctions:appfunctions-compiler:1.0.0-alpha07
What was validated already
  • KSP aggregation is enabled: appfunctions:aggregateAppFunctions=true
  • APK includes required assets:
    • assets/app_functions.xml
    • assets/app_functions_v2.xml
    • assets/app_functions_schema.xsd
  • Manifest contains merged AppFunction services/properties.
  • Device has com.android.extensions.appfunctions library.
  • dumpsys app_function shows all six functions with runtime metadata and enabled: [1].
  • App-side diagnostics report 6/6 functions indexed.
Minimal reproduction
  1. Build and install app on Android 16 device.
  2. Launch app and wait for AppFunction registration/indexing.
  3. Confirm indexed state via dumpsys app_function and app logs.
  4. Attempt discovery/execution through Gemini.

Actual vs expected behavior

Actual behavior
  • Gemini does not discover/execute the custom app functions.
  • Logs repeatedly show: D/AppFunctions: Unable to resolve AppFunctionMetadata.
Expected behavior
  • Once functions are indexed and enabled by the Android AppFunctions platform, Gemini should discover and be able to execute them, or provide a clear compatibility reason if custom schemas are unsupported.

Any other information you'd like to share?

  • This may be a support/compatibility question rather than a pure runtime bug.
  • If custom app-defined schemas are not currently supported in Gemini, please confirm current limitations and any roadmap for support.
主要语言
Kotlin
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环境准备

  • 没有 Dockerfile 或 Docker Compose 文件
  • 没有 Pull Request 模板
  • 阅读贡献指南

从这里开始

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  2. 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

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