2021-08-30 00:56:54 +00:00
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import React from 'react';
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import { StyleSheet } from 'react-native';
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import { Pressable } from 'react-native';
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import { Text, View } from './components/Themed.tsx';
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import * as TaskManager from 'expo-task-manager';
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import * as Location from 'expo-location';
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2021-08-30 21:05:06 +00:00
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import { bgOps, Trips, setBgOps } from './GT2';
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2021-08-30 00:56:54 +00:00
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const LOCATION_TASK_NAME = 'background-location-task';
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const requestPermissions = async () => {
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if (!locEnabled) {
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const { status } = await Location.requestBackgroundPermissionsAsync();
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if (status === 'granted') {
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await Location.startLocationUpdatesAsync(LOCATION_TASK_NAME, {
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accuracy: Location.Accuracy.Balanced,
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});
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setBgOps(true);
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}
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else setBgOps(false);
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}
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};
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export default function PermissionsButton() {
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if (!bgOps)
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return(
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<View style={styles.container} lightColor="lime" darkColor="forestgreen">
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<Pressable style={styles.button} onPress={requestPermissions}>
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<Text style={styles.text}>{'Enable background operations'}</Text>
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<Text style={styles.text2}>{' (Only used during a trip)'}</Text>
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</Pressable>
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</View>);
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else
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return(
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<View style={styles.container} lightColor="lime" darkColor="forestgreen">
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<Text style={styles.text}>{'Trips can run in background.'}</Text>
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</View>);
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2021-08-30 00:56:54 +00:00
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}
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TaskManager.defineTask(LOCATION_TASK_NAME, ({ data, error }) => {
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if (error) {
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// Error occurred - check `error.message` for more details.
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console.log(error.message);
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return;
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}
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if (data) {
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const { locations } = data;
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Trips.deltaLoc( locations );
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}
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});
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const styles = StyleSheet.create({
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container: {
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marginVertical: 2,
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marginTop: -40,
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marginBottom: 25,
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alignItems: 'center',
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},
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button: {
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fontSize: 10,
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backgroundColor: 'lime',
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},
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text: {
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color: "blue",
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},
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text2: {
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fontSize: 8,
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color: "navy",
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}
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});
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