Add in blood oxygen support into the mobile app.#267
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Introduce a dedicated spo2_readings table for per-minute blood oxygen samples parsed from the watch's health stream, with an auto-migration from schema 38 to 39 and the exported schema. SpO2 is stored separately from HealthDataEntity because real readings are sparse (one per measurement interval) and keyed/deduped by minute timestamp.
ActivityMinuteData record version 14 appends spo2_percent and spo2_quality to each minute sample. parseStepsData now returns ParsedHealthData carrying both the step/HR entities and any SpO2 readings (only samples where spo2_percent > 0 are emitted). Adds a v14 parsing test plus a v13 backward-compatibility test.
Wire the new ParsedHealthData through processStepsData: insert step/HR records and SpO2 readings independently so a payload carrying only one of the two is still handled, and surface the SpO2 count in the debug summary.
Add SpO2 query methods (range readings, readings-after cursor, average, latest) and a LatestSpo2 model to HealthDataApi, implement them in Health against the new spo2Dao, and stub them in FakeLibPebble. Also threads the bloodOxygenEnabled flag into the HealthSettings model.
Add a bloodOxygenPreferences health setting (single enabled byte, defaults off) that the watch gates SpO2 measurement on. Encodes/decodes the blob, routes the key from the WatchPrefs BlobDB to HealthParams, and adds a Blood Oxygen toggle under Health settings (shown only when tracking + HRM are enabled).
health-kmp 1.4.0 doesn't model OxygenSaturation, so add expect/actual seams for blood-oxygen platform writing: Android writes via androidx.health.connect with a dedicated translucent permission activity, iOS is a no-op for now. PlatformHealthSync requests the extra permission and syncs SpO2 records using its own last-synced cursor.
Show a Blood Oxygen card (latest/average plus a daily SpO2 line chart scaled to the 85-100 band with scrub support) on the Health screen for HRM-capable watches, backed by a new Spo2UiState bucketed at 5-minute resolution in the view model.
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This was referenced Jun 24, 2026
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Tested for ~2 days, results compared with Ultrahuman Ring Air: differences are within 1%. No crashing or weirdness spotted. It looks quite nice, actually.
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Contributor
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that's awesome! We're relatively busy, but I'll try to schedule this over the next couple weeks to merge. |
Author
Awesome to hear ❤️ Love the work y'all put into Pebble! |
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Adds in blood oxygen support and settings into the mobile app.
Related commits :
coredevices/PebbleOS#1607
coredevices/pebbleos-nonfree#4