WrathChaos

<Stack.Screen
  options={{ gestureEnabled: false }}
  name={SCREENS.ROOT}
  children={RootNavigator}
/>

WrathChaos

import { useNotificationService } from './hooks';

function App() {
  useNotificationService();

  ...
}

WrathChaos

var mediaJSON = { "categories" : [ { "name" : "Movies",
        "videos" : [ 
		    { "description" : "Big Buck Bunny tells the story of a giant rabbit with a heart bigger than himself. When one sunny day three rodents rudely harass him, something snaps... and the rabbit ain't no bunny anymore! In the typical cartoon tradition he prepares the nasty rodents a comical revenge.\n\nLicensed under the Creative Commons Attribution license\nhttp://www.bigbuckbunny.org",
              "sources" : [ "http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/BigBuckBunny.mp4" ],
              "subtitle" : "By Blender Foundation",
              "thumb" : "images/BigBuckBunny.jpg",
              "title" : "Big Buck Bunny"
            },
            { "description" : "The first Blender Open Movie from 2006",

WrathChaos

func greetingLogic() -> String {
  let hour = Calendar.current.component(.hour, from: Date())
  
  let NEW_DAY = 0
  let NOON = 12
  let SUNSET = 18
  let MIDNIGHT = 24
  
 var greetingText = "Hello" // Default greeting text

WrathChaos

func greetingLogic() -> String {
  let date = NSDate()
  let calendar = NSCalendar.current
  let currentHour = calendar.component(.hour, from: date as Date)
  let hourInt = Int(currentHour.description)!
  
  let NEW_DAY = 0
  let NOON = 12
 let SUNSET = 18

WrathChaos

Boilerplate

• React Native Typescript Boilerplate (Recommended)
• React Native Pure Boilerplate
• React Native Redux Boilerplate

Navigation / Router

• React Navigation

WrathChaos

fun convertBitmapToFile(context: Context, bitmap: Bitmap): Uri{  
  val file = File(Environment.getExternalStorageDirectory().toString() + File.separator + fileNameToSave)
  file.createNewFile()
  // Convert bitmap to byte array
  val baos = ByteArrayOutputStream()
  bitmap.compress(Bitmap.CompressFormat.PNG, 0, baos) // It can be also saved it as JPEG
  val bitmapdata = baos.toByteArray()
 }

WrathChaos

function usePrevious(value) {
  const ref = useRef();

  useEffect(() => {
  ref.current = value;
  });

  return ref.current;
}

WrathChaos

const createNavigationURL = (startLat, startLng, lat, lng) => {
  const scheme = Platform.select({
    ios: `maps:${startLat}?q=`,
    android: `geo:${startLng}?q=`
  });
  const latLng = `${lat},${lng}`;
  const label = "Custom Label";
  const url = Platform.select({
 ios: `${scheme}${label}@${latLng}`,

WrathChaos

import { Platform, StatusBar } from 'react-native';

StatusBar.setBarStyle("light-content");
if (Platform.OS === "android") {
  StatusBar.setBackgroundColor("rgba(0,0,0,0)");
  StatusBar.setTranslucent(true);
}