Disconnected state for External sensor widgets

[dmpr0]

Tasks

Android – osmandapp/OsmAnd#24635

1. Icon Updates

Update the widget icons when sensors are disconnected:

• Bicycle power – widget_sensor_bicycle_power_disconnected
• Cadence – widget_sensor_cadence_disconnected
• Distance – widget_sensor_distance_disconnected
• Heart rate – widget_sensor_heart_rate_disconnected
• Speed – widget_sensor_speed_disconnected
• Temperature – widget_sensor_temperature_disconnected

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2. Drop Sensor Values to "0" On Stop

Fix the issue where external sensor widgets continuously show the last cached value after a stop.

• Goal: Reset values to 0 when movement stops, rather than holding the last active state.
• Logic & Optimization: * Do not rely on calculated speed/cadence values remaining identical for 10 seconds (to prevent false "0" drops during steady cruise or indoor riding).
  • Check the raw payload data instead: monitor Last Wheel Event Time (and Cumulative Revolutions) from sensor broadcasts.
  • If the Last Wheel Event Time remains identical for 3–4 seconds, treat the wheel/crank as stopped and drop the widget value to 0.