Using Ubuntu 20 & Ionic 5

install dependencies

sudo add-apt-repository ppa:cwchien/gradle

sudo apt-get update

sudo apt-get install build-essential libssl-dev git lib32stdc++6 lib32z1 openjdk-8-jdk gradle

install nvm & node

curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.31.1/install.sh | bash

nvm install 5

source ~/.bashrc

android

wget https://dl.google.com/android/android-sdk_r24.4.1-linux.tgz

tar xzvf android-sdk_r24.4.1-linux.tgz

rm android-sdk_r24.4.1-linux.tgz

update bashrc

echo 'export ANDROID_HOME=/home/somepath/android-sdk-linux' >> ~/.bashrc

echo 'export PATH="/home/somepath/android-sdk-linux/tools:$PATH"' >> ~/.bashrc

echo 'export PATH="/home/ram/android-sdk-linux/tools/templates/gradle:$PATH"' >> ~/.bashrc

source ~/.bashrc

install android packages, google play packages

android update sdk --no-ui --all --filter "build-tools-23.0.3,platform-tool,android-23,extra-android-m2repository,extra-android-support,extra-google-google_play_services,extra-google-m2repository"

Accept Android SDK Licenses

run android on terminal to let let Android SDK Manager install and accept licenses