thanhzusu

When you see Red Box with stack trace, you can click any 
stack frame to jump to the source file. The packager will launch your 
editor of choice. It will first look at REACT_EDITOR environment 
variable, then at EDITOR. To set it up, you can add something like 
export REACT_EDITOR=atom to your ~/.bashrc or ~/.zshrc depending on 
which shell you use. 
VScode supports a command to isntall quickly:
> Shell Command: Install 'code' command in PATH command.
(https://code.visualstudio.com/docs/setup/mac)

thanhzusu

1. Install ffmpeg through Brew using brew install ffmpeg
2. Open termial and run:
ffmpeg -i /path/to/input/file /path/to/output.mp4

thanhzusu

import React from 'react'
import {
  View,
  Animated,
  FlatList,
} from 'react-native'

export default class App extends React.Component {
  state = {
    shouldShowStickyHeader: false,

thanhzusu

You have already added your SSH key to Gitlab account and it's working well but sometime when you join to new repository and it raised an error like below:

  Permission denied (publickey).

You can fix this issue by Add all known keys to the SSH agent:

  ssh-add -A

Now this works but it won’t persist across reboots. So if you want to never worry about this again, just open up your user’s ~/.bash_profile file like this:

thanhzusu

https://blog.bam.tech/developper-news/add-a-custom-font-to-your-react-native-app

thanhzusu

https://romannurik.github.io/AndroidAssetStudio/

thanhzusu

In React Native context

render() {

    return <WebView onNavigationStateChange={this.onNavigationStateChange} />
}

onNavigationStateChange = (e) => {
    // allow normal the natvigation
    let allowChanged = true;

thanhzusu

Open terminal app:
alias android-avd="emulator -avd Nexus_5X_API_29_x86 &"
alias ios-simulator="open /Applications/Xcode.app/Contents/Developer/Applications/Simulator.app/"

Then just run android-avd or ios-simulator

thanhzusu

1. npm install apollo
2. npx apollo schema:download schema.json --endpoint=https://localhost:1337/graphql

thanhzusu

While developing your app, if sometime you don't see the push notification when the app is killed, you must close your app, then let's open again by tap on the app's icon on the Launcher. 
Then close it by swipe off. You will see the magic.