sanjaymhj

import { useEffect, useState } from 'react';
import { Pressable, SafeAreaView, useWindowDimensions, View, Text, Image, Animated, Easing } from 'react-native';

import picture from '../../assets/images/5.jpg';

const BackgroundAnimatedView = () => {
    const { height: screenHeight, width: screenWidth } = useWindowDimensions();
    const { width: imageWidth, height: imageHeight } = Image.resolveAssetSource(picture);
    const aspectRatio = imageWidth / imageHeight;
    const parallaxHeight = screenHeight;

sanjaymhj

// Using node v18.14.0

let crypto = require('crypto');

const secret = 'monty python';

let messageToEncrypt = 'holy grail';

// HMAC key creation
const key = crypto.createHmac('sha256', secret).update(secret).digest('base64');

sanjaymhj

------------Usage------------
-----------------------------
<LoadingSpinner size={50} borderWidth={4} borderColor={"#000"} />

----------Component----------
-----------------------------

import './style.css';

interface LoadingSpinnerProps {

sanjaymhj

react-native init <newproject> --version react-native@<rnVersion>

sanjaymhj

Modify displayName in `/app.json` file

Modify app_name in `android/app/src/main/res/values/strings.xml`

then Run these commands one by one

```
cd android
gradlew clean
cd ..

sanjaymhj

/**
* Calculate displacement of 2 GPS coordinate.
* From: https://en.wikipedia.org/wiki/Great-circle_distance
* @param {Object} point1
* @param {Object} point2
* @returns Number
*/
function getDisplacementByGPS(point1, point2) {
  const radiusOfEarth = 6378137; // Earth’s mean radius in meter
  const dLat = rad(point2.latitude - point1.latitude);

sanjaymhj

/**
 * Returns random string of arbitrary length
 *
 * @param {number} length
 *
 * @returns {string}
 */

export function getRandomStringOfLength(length = 44) {
  return [...Array(length)]

sanjaymhj

# 1. Place the file in ~/MyScript/local.properties
# 2. Update .rc file to include alias local-properties="~/MyScript/local.properties/local-properties"
# 3. Make this file executable: chmod +x local-properties

touch ./android/local.properties
cat <<EOF >./android/local.properties
sdk.dir=/Users/snjmhj/Library/Android/sdk
EOF

#Usage: Goto react native project folder and run `local-properties`

sanjaymhj

1. Go to your React native Project -> Android
2. Create a file local.properties
3. Open the file

paste your Android SDK path like below

in Windows sdk.dir = C:/Users/USERNAME/AppData/Local/Android/sdk
in macOS sdk.dir = /Users/USERNAME/Library/Android/sdk
in linux sdk.dir = /home/USERNAME/Android/Sdk
Replace USERNAME with your user name

sanjaymhj

#!/bin/bash

name=$1;
mkdir $name;
cd ./$name;

# Component file
touch $name.js
cat <<EOF >./$name.js
import React, { Component } from 'react';