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* chore: headless js + example updates * chore: revert ts changes * chore: fix background location timer types * chore: move types package
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Original file line number | Diff line number | Diff line change |
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/** | ||
* Copyright (c) React Native Community | ||
* | ||
* This source code is licensed under the MIT license found in the | ||
* LICENSE file in the root directory of this source tree. | ||
* | ||
* @format | ||
*/ | ||
|
||
'use strict'; | ||
|
||
import React, { useEffect, useRef, useState } from 'react'; | ||
import { View, Button, AppState } from 'react-native'; | ||
import BackgroundTimer from 'react-native-background-timer'; | ||
import Geolocation from '@react-native-community/geolocation'; | ||
|
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export default function BackgroundLocationUpdates() { | ||
const appState = useRef(AppState.currentState); | ||
const [backgroundListener, setBackgroundListener] = useState(false); | ||
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useEffect(() => { | ||
if (!backgroundListener) { | ||
return; | ||
} | ||
|
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const subscription = AppState.addEventListener('change', (nextAppState) => { | ||
if (nextAppState.match(/inactive|background/)) { | ||
BackgroundTimer.runBackgroundTimer(() => { | ||
Geolocation.getCurrentPosition( | ||
(position) => { | ||
console.log( | ||
'getCurrentPosition background', | ||
JSON.stringify(position) | ||
); | ||
}, | ||
(error) => | ||
console.log( | ||
'getCurrentPosition background error', | ||
JSON.stringify(error) | ||
), | ||
{ enableHighAccuracy: true } | ||
); | ||
}, 1000); | ||
|
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console.log('App has come to the foreground!'); | ||
} else { | ||
BackgroundTimer.stopBackgroundTimer(); | ||
} | ||
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appState.current = nextAppState; | ||
}); | ||
|
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return () => { | ||
subscription.remove(); | ||
}; | ||
}, [backgroundListener]); | ||
|
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return ( | ||
<View> | ||
<Button | ||
title={`${ | ||
backgroundListener ? 'Disable' : 'Enable' | ||
} background location updates`} | ||
onPress={() => setBackgroundListener(!backgroundListener)} | ||
/> | ||
</View> | ||
); | ||
} |
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