knowledge/install youtube-dl in android.md

Tutorial to fast install youtube-dl in android and configure it to download any url shared to it.

Based on https://www.reddit.com/r/Piracy/comments/baufql/youtubedl_the_easy_way_on_android/

1. Install and configure youtube-dl
2. Extras
3. All-In-One

Install Termux

https://termux.com/

Open Termux and run one of these:

Install and configure youtube-dl

    # Ask for storage permission
    termux-setup-storage &&
    # Install youtube-dl
    apt update && apt upgrade && apt install python ffmpeg dialog && pip install youtube-dl &&
    # Configure to download videos in `Downloads/{URL's provider (e.g. Youtube)}/{uploader}/{filename}`
    mkdir -p ~/.config/youtube-dl &&
    echo "# Default Output Directory and Pattern
    -o /data/data/com.termux/files/home/storage/downloads/%(extractor_key)s/%(uploader)s/%(title)s-%(id)s.%(ext)s" > ~/.config/youtube-dl/config &&
    # Configure to open shared URLs with `youtube-dl {url}`
    mkdir ~/bin &&
    echo '#!/bin/bash
        URL=$1
        HEIGHT=15
        WIDTH=40
        CHOICE_HEIGHT=4

        CHOICE=$(dialog \
            --menu "Que desea descargar?" \
            $HEIGHT $WIDTH $CHOICE_HEIGHT \
            Video "" \
            Audio "" \
            2>&1 >/dev/tty)

        case $CHOICE in
            Video)
                youtube-dl $URL
                ;;
            Audio)
                youtube-dl -x $URL
                ;;
        esac' > ~/bin/termux-url-opener &&
    chmod +x ~/bin/termux-url-opener

Extras

    # Add special keys to keyboard
    mkdir ~/.termux
    echo "extra-keys = [ \
        ['ESC', '/', '|', 'HOME', 'UP', 'END', 'PGUP', '-'], \
        ['TAB','CTRL', 'ALT', 'LEFT', 'DOWN', 'RIGHT', 'PGDN', '~'] \
    ]" > ~/.termux/termux.properties
    # Install nano
    apt install nano

All-In-One

youtube-dl + extras

    termux-setup-storage &&
    apt update && apt upgrade && apt install nano python ffmpeg && pip install youtube-dl &&
    mkdir -p ~/.config/youtube-dl &&
    echo "# Default Output Directory and Pattern
    -o /data/data/com.termux/files/home/storage/downloads/%(extractor_key)s/%(uploader)s/%(title)s-%(id)s.%(ext)s" > ~/.config/youtube-dl/config &&
    mkdir ~/bin &&
    echo "#!/bin/bash
    url=$1
    youtube-dl $url" > ~/bin/termux-url-opener &&
    chmod +x ~/bin/termux-url-opener &&
    mkdir ~/.termux &&
    echo "extra-keys = [ \
        ['ESC', '/', '|', 'HOME', 'UP', 'END', 'PGUP', '-'], \
        ['TAB','CTRL', 'ALT', 'LEFT', 'DOWN', 'RIGHT', 'PGDN', '~'] \
    ]" > ~/.termux/termux.properties