Alex Paul alexpaul

Senior Software Engineer at New York Times. Community iOS Advisor at pursuit.org.

alexpaul / FetchAPI-Swift-Podcasts.js

Created June 12, 2018 14:04

Javascript Fetch API usage to make a GET request for Swift Podcasts

	// fetch api making a GET request for Podcasts from Apple Search API
	// Asynchronous request so we need to use Promises to listen for completions of task
	// filter() is used to get only Swift Podcast related to "Technology" included as part of the genres array
	fetch('https://itunes.apple.com/search?media=podcast&limit=200&term=swift')
	.then((response) => response.json())
	.then((jsonData) => {
	const resultCount = jsonData['resultCount']
	const results = jsonData['results']
	const filteredPodcasts = results.filter((podcast) => (podcast.genres.includes('Technology')))

alexpaul / App.js

Last active March 6, 2022 20:59

Embedding a screen within a Navigation stack using react-navigation package

	import React from 'react';

	// import third party libraries
	import { createStackNavigator } from 'react-navigation'

	// import screens
	import MainScreen from './screens/MainScreen'
	import DetailScreen from './screens/DetailScreen'

	const RootStack = createStackNavigator({

alexpaul / NavigationHeader.js

Created June 19, 2018 01:55

Setting the Navigation Header values using react-navigation

	static navigationOptions = ({ navigation }) => ({
	title: 'Home',
	headerTitleStyle: {textAlign: 'center', alignSelf: 'center'},
	headerStyle: {backgroundColor: 'powderblue'},
	})

alexpaul / ConditionalImageLoading.js

Created June 19, 2018 03:03

Placeholder image in preparation for asynchronous image loading in react-native

	<Image
	source={
	this.state.isLoaded
	?
	{uri:this.state.imageURL}
	:
	require('../assets/placeholder-image.png')
	}
	style={styles.detailImage}
	/>

alexpaul / SetupTabIcons.js

Created June 21, 2018 16:15

Setting up tab bar icons using react-navigation and react-native-vector-icons

	const TabStack = createBottomTabNavigator(
	{
	Search: HomeNavStack,
	Favorites: FavoritesNavStack,
	},
	{
	navigationOptions: ({ navigation }) => ({
	tabBarIcon: ({ focused, tintColor }) => {
	const { routeName } = navigation.state;
	let iconName;

alexpaul / CustomCallout.swift

Created June 30, 2018 11:13

Setting up a custom callout on the detailCalloutAccessoryView in a MapView

	func mapView(_ mapView: MKMapView, viewFor annotation: MKAnnotation) -> MKAnnotationView? {
	if annotation is MKUserLocation {
	return nil
	}
	var annotationView = mapView.dequeueReusableAnnotationView(withIdentifier: "PlaceAnnotationView") as? MKMarkerAnnotationView
	if annotationView == nil {
	annotationView = MKMarkerAnnotationView(annotation: annotation, reuseIdentifier: "PlaceAnnotationView")
	annotationView?.canShowCallout = true
	} else {
	annotationView?.annotation = annotation

alexpaul / ManagingKeyboard.swift

Last active January 30, 2019 00:03

Setting up keyboard notifications and responding to their actions

	//
	// ViewController.swift
	// KeyboardHandling
	//
	// Created by Alex Paul on 1/29/19.
	// Copyright © 2019 Alex Paul. All rights reserved.
	//

	import UIKit

alexpaul / AttributedStringExample.swift

Created August 7, 2018 19:10

NSAttributedString example that illustrates adding attributes to a String and setting the attributedText property on a UILabel

	import UIKit

	class ViewController: UIViewController {

	@IBOutlet weak var nameLabel: UILabel!

	override func viewDidLoad() {
	super.viewDidLoad()

	let text = "stockholm, sweden"

alexpaul / ApplicationInfo.swift

Last active June 10, 2020 20:58

Get the version and build number for your app. This is especially useful to track version / builds on the AppStore / TestFlight.

	import Foundation

	class ApplicationInfo {
	class func getVersionBuildNumber() -> String {
	guard let version = Bundle.main.object(forInfoDictionaryKey: "CFBundleShortVersionString"),
	let build = Bundle.main.object(forInfoDictionaryKey: "CFBundleVersion")
	else {
	fatalError("no version info")
	}
	return "\(version) (\(build))"

alexpaul / VoiceOverLanguages.swift

Created September 22, 2018 22:04

List of Voice Over Languages

	// print(AVSpeechSynthesisVoice.speechVoices())

	[[AVSpeechSynthesisVoice 0x283654fe0] Language: ar-SA, Name: Maged, Quality: Default [com.apple.ttsbundle.Maged-compact], [AVSpeechSynthesisVoice 0x283655560] Language: cs-CZ, Name: Zuzana, Quality: Default [com.apple.ttsbundle.Zuzana-compact], [AVSpeechSynthesisVoice 0x2836552e0] Language: da-DK, Name: Sara, Quality: Default [com.apple.ttsbundle.Sara-compact], [AVSpeechSynthesisVoice 0x283654c60] Language: de-DE, Name: Anna, Quality: Default [com.apple.ttsbundle.Anna-compact], [AVSpeechSynthesisVoice 0x2836550a0] Language: el-GR, Name: Melina, Quality: Default [com.apple.ttsbundle.Melina-compact], [AVSpeechSynthesisVoice 0x283654ea0] Language: en-AU, Name: Karen, Quality: Default [com.apple.ttsbundle.Karen-compact], [AVSpeechSynthesisVoice 0x283654d20] Language: en-GB, Name: Daniel, Quality: Default [com.apple.ttsbundle.Daniel-compact], [AVSpeechSynthesisVoice 0x283655120] Language: en-IE, Name: Moira, Quality: Default [com.apple.ttsbundle.Moira-compact], [AVS