| 1 | import invariant from 'invariant';
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| 2 | import { NativeEventEmitter, NativeModules } from 'react-native';
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| 3 | const PedometerEventEmitter = new NativeEventEmitter(NativeModules.ExponentPedometer);
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| 4 | let _listenerCount = 0;
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| 5 | export function watchStepCount(callback) {
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| 6 | if (_listenerCount === 0) {
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| 7 | NativeModules.ExponentPedometer.watchStepCount();
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| 8 | }
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| 9 | _listenerCount++;
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| 10 | const listener = PedometerEventEmitter.addListener('Exponent.pedometerUpdate', callback);
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| 11 | return {
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| 12 | remove() {
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| 13 | listener.remove();
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| 14 | _listenerCount--;
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| 15 | if (_listenerCount === 0) {
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| 16 | NativeModules.ExponentPedometer.stopWatchingStepCount();
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| 17 | }
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| 18 | },
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| 19 | };
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| 20 | }
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| 21 | export async function getStepCountAsync(start, end) {
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| 22 | invariant(start <= end, 'Pedometer: The start date must precede the end date.');
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| 23 | return await NativeModules.ExponentPedometer.getStepCountAsync(start.getTime(), end.getTime());
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| 24 | }
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| 25 | export async function isAvailableAsync() {
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| 26 | return await NativeModules.ExponentPedometer.isAvailableAsync();
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| 27 | }
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| 28 | |
| \ | No newline at end of file |