Function useBatteryLevelIsLow

useBatteryLevelIsLow(): number | null

React hook that notifies when the battery crosses the low-level threshold.

Compatibility:

Returns number | null

Example

function LowBatteryBanner() {
  const level = useBatteryLevelIsLow();
  if (level == null) {
    return null;
  }
  return <Banner title={`Battery low (${Math.round(level * 100)}%)`} />;
}