GT2/Ejectable/screens/TripScreen.tsx

96 lines
2.3 KiB
TypeScript

import * as React from 'react';
import { useState } from 'react';
import { Alert, BackHandler, Button, StyleSheet } from 'react-native';
import { Text, View } from '../components/Themed';
import { ScreenInfo2 } from '../components/ScreenInfo';
import { locEnabled, TripDisplay, Trips } from '../GT2';
import { RootTabScreenProps } from '../types';
import { getAdvised, setAdvised } from './ModalScreen';
var debug:number = 0;
const styles = StyleSheet.create({
container: {
flex: 1,
alignItems: 'center',
justifyContent: 'center',
},
controls: {
width: "80%",
flexDirection: 'row',
justifyContent: "space-between",
},
title: {
fontSize: 20,
fontWeight: 'bold',
},
separator: {
marginVertical: 10,
height: 1,
width: '80%',
},
});
function startTrip() {
if (!locEnabled) {
Alert.alert("Location services unavailable can't start trip.");
return;
}
Trips.start();
}
function pauseTrip() {
if (!Trips.paused) {
Trips.pause();
}
else {
Trips.pause();
}
}
function endTrip() { Trips.end(); }
export default function TripScreen( { navigation }: RootTabScreenProps<'Trip'>) {
const [sButtonText, setSButtonText] = useState("Start");
const [pButtonText, setPButtonText] = useState("Pause");
return (
<View style={styles.container}>
<Text style={styles.title}>Trip Control</Text>
<View style={styles.separator} lightColor="#eee" darkColor="rgba(255,255,255,0.1)" />
<ScreenInfo2 />
<View style={styles.controls} >
<Button
title={sButtonText}
onPress={() => {
if (!getAdvised()) {
Alert.alert("Note: GT2 2.0.n doesn't run in background.");
setAdvised();
}
if (!Trips.inProgress) {startTrip();
if (Trips.inProgress) { setSButtonText("End"); setPButtonText('Pause');}}
else {setSButtonText('Start'); endTrip(); navigation.push('Modal'); }}
}
/>
<Button
title={pButtonText}
onPress={() => { if (!Trips.inProgress) Alert.alert("No trip in progress!"); else {
if (!Trips.paused) {setPButtonText("Resume");pauseTrip();}
else {setPButtonText('Pause');pauseTrip();}}}
}
/>
</View>
<TripDisplay></TripDisplay>
</View>
);
}