The primary signal is desiredSize on the controller. It can be positive (wants data), zero (at capacity), negative (over capacity), or null (closed). Producers are supposed to check this value and stop enqueueing when it's not positive. But there's nothing enforcing this: controller.enqueue() always succeeds, even when desiredSize is deeply negative.
根据 Android 官方文档，AppFunctions 是 Android 16 的平台能力，并配套 Jetpack 库，允许开发者将应用内的特定功能以结构化方式暴露给 AI Agent 调用。
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17:41, 27 февраля 2026Наука и техника
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