Other alarms

_{Last updated: June 16, 2026 | 1 minute read}

Receive alerts for environmental changes such as entering or exiting tunnels and transitions between day and night.

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Get notified for tunnel events

Set up notifications for entering and exiting tunnels using the AlarmListener:

AlarmListener alarmListener = AlarmListener(
    onTunnelEntered: () {
        showSnackbar("Tunnel entered");
    },
    onTunnelLeft: () {
        showSnackbar("Tunnel left");
    },
);

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Get notified for day and night transitions

Receive notifications when your location transitions between day and night based on geographical region and seasonal changes:

AlarmListener alarmListener = AlarmListener(
    onEnterDayMode: () {
        showSnackbar("Day mode entered");
    },
    onEnterNightMode: () {
        showSnackbar("Night mode entered");
    },
);