System & Media API Reference

Microphone capture and metering, display, power, media library, and the modem

This document covers system telemetry, media capture and playback, power and the wireless modem. Each entry documents its Inputs (arguments, with defaults and units), its Outputs (every returned field) and its Functions (what each callable takes and returns).

Reference

Hook	What it reads
useAudio	Microphone recording with levels and input choice, plus playback.
useCapabilities	What this particular phone actually has.
useCellular	Carrier, radio generation and network codes from the modem.
useDevice	Device identity, battery level, thermistor temperature, voltage, current, and wattage.
useDisplay	Refresh rate, HDR capability, brightness and the screen wake lock.
useMediaLibrary	Saving captures to the gallery, and reading what is there.
useNetwork	Connection type, address and whether traffic actually goes anywhere.
useSpatialAudio	Android Spatializer status, binaural rendering, and dynamic head tracking telemetry.
useVideo	Playing video back, with position, seeking and thumbnails.