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React Native Component
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import React, { Component } from 'react' | |
import { View, Text, Switch, NativeModules, AsyncStorage } from 'react-native' | |
import { Slider, Button, FormLabel, FormInput } from 'react-native-elements' | |
import { medgrey, darkgrey, green, white } from '../utils' | |
// Java Bridge Component to Native AlarmManager API | |
const AlarmManager = NativeModules.AlarmManager | |
export default class AddAlarm extends Component { | |
constructor(props) { | |
super(props) | |
this.state = { | |
hour: 1, | |
minutes: 0, | |
isAM: true, | |
controlsDisabled: false | |
} | |
} | |
render() { | |
const { | |
mainWrapper, | |
sliderWrapper, | |
sliderLabel, | |
timeDisplayText, | |
timeDisplay, | |
switchWrapper, | |
switchText | |
} = styles | |
return ( | |
<View style={mainWrapper}> | |
{/* Time Display */} | |
<View style={timeDisplay}> | |
<Text style={timeDisplayText}> | |
{this.renderHourDisplay()} | |
: | |
{this.renderMinutesDisplay()} | |
{' '} | |
{this.renderAMorPM()} | |
</Text> | |
</View> | |
{/* Slider Wrapper */} | |
<View style={sliderWrapper}> | |
{/* Hours */} | |
<Text style={sliderLabel}> | |
Hour | |
</Text> | |
<Slider | |
disabled={this.state.controlsDisabled} | |
minimumValue={1} | |
maximumValue={12} | |
minimumTrackTintColor={`${white}`} | |
maximumTrackTintColor={`${medgrey}`} | |
thumbTintColor={`${green}`} | |
step={1} | |
value={this.state.hour} | |
onValueChange={value => this.setState({ hour: value })} | |
/> | |
{/* Minutes */} | |
<Text style={sliderLabel}> | |
Minutes | |
</Text> | |
<Slider | |
disabled={this.state.controlsDisabled} | |
minimumValue={0} | |
maximumValue={59} | |
minimumTrackTintColor={`${white}`} | |
maximumTrackTintColor={`${medgrey}`} | |
thumbTintColor={`${green}`} | |
step={1} | |
value={this.state.minutes} | |
onValueChange={value => this.setState({ minutes: value })} | |
/> | |
</View> | |
{/* Am/PM Switch */} | |
<View style={switchWrapper}> | |
<Text style={switchText}> | |
AM/PM | |
</Text> | |
<Switch | |
disabled={this.state.controlsDisabled} | |
onValueChange={value => this.setState({ isAM: value })} | |
value={this.state.isAM} | |
thumbTintColor={`${green}`} | |
/> | |
</View> | |
<Button | |
backgroundColor={`${green}`} | |
onPress={this.setAlarm} | |
fontSize={22} | |
color={`${darkgrey}`} | |
containerViewStyle={{ borderWidth: 2, borderColor: '#fff' }} | |
textStyle={{ fontWeight: 'bold' }} | |
raised | |
title="Save" | |
/> | |
</View> | |
) | |
} | |
renderHourDisplay = () => { | |
return `${this.state.hour}` | |
} | |
renderMinutesDisplay = () => { | |
if (this.state.minutes < 10) return `0${this.state.minutes}` | |
else return `${this.state.minutes}` | |
} | |
renderAMorPM = () => { | |
if (!this.state.isAM) return 'PM' | |
else return 'AM' | |
} | |
setAlarm = () => { | |
this.setState({ controlsDisabled: true }) | |
let finalHour = this.state.hour | |
const finalMinutes = this.state.minutes | |
// Adjustments for PM times | |
if (!this.state.isAM) finalHour += 12 | |
// Send the alarm to Java Module for syncing with AlarmManager | |
AlarmManager.setAlarm(finalHour, finalMinutes) | |
// Write to Device Native Storage | |
this.persistAlarm(finalHour, finalMinutes) | |
} | |
// Just started working on this, work in progress | |
persistAlarm = (hour, minutes) => { | |
const alarms = { | |
alarms: [ | |
{ | |
hour: hour, | |
minutes: minutes | |
} | |
] | |
} | |
AsyncStorage.setItem('alarms', JSON.stringify(alarms), err => { | |
console.log(err) | |
}) | |
} | |
// end class | |
} | |
const styles = { | |
mainWrapper: { | |
flex: 1, | |
backgroundColor: `${darkgrey}` | |
}, | |
sliderWrapper: { | |
paddingLeft: 20, | |
paddingRight: 20, | |
marginBottom: 20 | |
}, | |
sliderLabel: { | |
fontSize: 18, | |
color: `${white}`, | |
marginTop: 15 | |
}, | |
timeDisplay: { | |
alignItems: 'center', | |
marginTop: 40 | |
}, | |
timeDisplayText: { | |
fontSize: 65, | |
color: `${white}`, | |
marginBottom: 15 | |
}, | |
switchWrapper: { | |
alignItems: 'center', | |
marginBottom: 40 | |
}, | |
switchText: { | |
fontSize: 18, | |
paddingBottom: 5, | |
color: `${white}` | |
} | |
} |
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