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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01DDwfd6Ki8UfG4hK6W5YpJz
80 lines
4.1 KiB
Markdown
80 lines
4.1 KiB
Markdown
---
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type: plan
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status: draft
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updated: 2026-10-15
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---
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# Dash and app: what comes next
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Ideas collected on 2026-10-15, before building anything. Each needs a short discussion first;
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specifics are open where marked. Where the app stands now: `lib/README.md` (the shell with its
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swipe-in menu, the Dash, the seven-role palette, `hudFont`), and contracts `signals.json` for
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what the Orin publishes.
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## 1. Orin status in a top banner, like a phone's
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A thin strip across the top of the app (the Dash's own top line included) showing the Orin
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the way a phone's status bar shows the phone: its network links and its power.
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- **Already on the bus, no Orin work needed:** `net_wifi_up` and `net_wifi_ssid`,
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`net_wifi_signal_dbm`; `net_lte_state`, `net_lte_tech`, `net_lte_signal_pct`; `net_tablet_up`;
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`ups_battery_pct`, `ups_state` (charging / discharging / idle), `ups_battery_v`; `can_up`,
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`can_bus_state`; `elm_connected`; temperatures (`orin_tj_temp_c`). GNSS: `gnss_fix`,
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`gnss_satellites` (which undercounts: gpsd drops GPS from its sky view, see below).
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- **To discuss:** which of these earn a place in the strip, and in what form (icons with
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palette roles, a number, or both); what tapping the strip does (the menu's link header
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already goes to Settings).
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- Note for the satellite count: the receiver's own GGA count (e.g. 9) is right where gpsd's
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SKY (e.g. 5) is not; svc-core `gnss` would take it from there.
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## 2. Dash layouts, and whether navigation is in them
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Revamp the Dash's layout(s), and decide whether navigation (svc-nav: Valhalla routing, a
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MapLibre map, turn-by-turn on `yukart/nav/guidance`) lives on the Dash, beside it, or not at
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all. Inputs to the decision:
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- Screen room: the tablet is 1340 × 800 dp in landscape; the boxed pattern already fills it.
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- Several layouts are possible (a driving one, a navigating one), chosen in the menu or by
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state (a route active).
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- New signals worth placing since the first Dash: `vehicle_speed_kph` (CAN), `coolant_temp_c`
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(CAN), `steering_angle_deg`, `main_beam`, `front_fogs`, `front_wiper`, `imu_yaw_rate_dps`.
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## 3. Media controls for the Android player
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A play/pause/next strip for whatever plays on the tablet. Google Maps' built-in media controls
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stopped working with Symphonium (the music app in use).
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- Android's way in: `MediaSessionManager.getActiveSessions()` with a
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`NotificationListenerService` the user grants once in settings. That reaches any app that
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publishes a media session (Symphonium should: check what it exposes). Needs a small Kotlin
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part in the app's Android side (the app already has one: `net.dart`'s method channel).
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- To discuss: where it sits (the Dash, the top banner, a menu page), and how much (track
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title, artwork, seek).
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## 4. Long shot: a floating window
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The app as a small, movable overlay over other apps (Maps, the music player), showing a few
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chosen readouts.
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- Android's way: `SYSTEM_ALERT_WINDOW` ("display over other apps", granted in settings) plus a
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foreground service drawing the overlay; Flutter can render into it with a second engine.
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Picture-in-picture is the lighter alternative, but PiP windows are not interactive.
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- "Customisable (kind of)": which readouts it shows, chosen from the same widgets the Dash
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uses (the boxed pattern is already sized from its box, which suits a small window).
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## 5. Dark/bright: automatic or fixed, the Android way
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Today the variant is a switch (the Dash's top-right button, and Settings). Wanted:
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- **Auto or fixed**, chosen in Settings. Auto could follow Android's own dark mode
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(`MediaQuery.platformBrightness`, which follows the system schedule or sunset), or the
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tablet's ambient light sensor directly (smart-serow switched its theme from a light reading).
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- **Fully Android:** when fixed, the switch should feel like a system control.
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- **Linked with the Dash's quick button:** the dark/bright button at the Dash's top right stays
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the quick way to switch, and follows the same choice (auto or fixed) as Settings. It may move
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into the top banner (item 1) with the Orin's indicators.
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## Order
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Not decided. 1 and 5 share the banner and are small; 2 decides the shape of everything else;
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3 and 4 need Android-side work and permissions.
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