Install a clean environment to test a cordova build.

cordova-demo.sh

#!/bin/bash


error() {
    echo "error: $@" 1>&2
    exit 1
}

for x in realpath dirname tar unzip wget npm; do
    [[ -z "$(which "$x" 2>/dev/null)" ]] && error "missing required application: $x"
done


download() {
    local sdk_tools_url='https://dl.google.com/android/repository/sdk-tools-linux-3859397.zip'
    local jdk_url='http://download.oracle.com/otn-pub/java/jdk/8u172-b11/a58eab1ec242421181065cdc37240b08/jdk-8u172-linux-x64.tar.gz'

    echo ':: Downloading...'
    echo

    mkdir tmp

    wget -O tmp/sdk.zip "$sdk_tools_url" || error 'failed to download android sdk'
    wget -O tmp/jdk.tar.gz --header='Cookie: oraclelicense=a' "$jdk_url" || error 'failed to download java jdk'

    echo ':: Extracting...'
    echo


    mkdir env

    unzip -d env/sdk tmp/sdk.zip

    tar -xf tmp/jdk.tar.gz -C env || error 'could not extract jdk'
    mv 'env/jdk1.8.0_172' env/jdk

    rm -rf tmp
}

download_android() {
    echo ':: Downloading Android SDK...'
    echo

    # Remember to accept licenses by pressing 'y'
    sdkmanager 'build-tools;27.0.3' 'platforms;android-27' || error 'sdkmanager failed to download packages'
}

setup_npm() {
    mkdir -p "$NPM_PREFIX/bin" 2>/dev/null
    mkdir -p "$(dirname "$NPM_CONFIG_USERCONFIG")" 2>/dev/null
    echo "prefix=$NPM_PREFIX" > "$NPM_CONFIG_USERCONFIG"
}

download_cordova() {

    echo ':: Downloading cordova...'
    echo

    npm install -g cordova || error 'failed to install cordova'
}


workspace_root="$(realpath ~/cordova-demo)"

[[ -z "$workspace_root" ]] && error 'invalid workspace directory'

echo ":: Workspace=$workspace_root"
echo

[[ -d "$workspace_root" ]] || mkdir -p "$workspace_root"
cd "$workspace_root" || error 'could not change to workspace directory'


[[ -d env ]] || download


export ANDROID_SDK="$workspace_root/env/sdk"
export ANDROID_HOME="$ANDROID_SDK"
export JDK_HOME="$workspace_root/env/jdk"
export JAVA_HOME="$JDK_HOME"
export GRADLE_USER_HOME="$workspace_root/conf/gradle"
export NPM_CONFIG_USERCONFIG="$workspace_root/conf/npmrc"
export NPM_PREFIX="$workspace_root/env/npm"

export PATH="$JDK_HOME/bin:$ANDROID_HOME/tools/bin:$NPM_PREFIX/bin:$PATH"


[[ -d "$GRADLE_USERHOME" ]] || mkdir -p "$GRADLE_USER_HOME"
[[ -d env/sdk/platforms ]] || download_android
[[ -f "$NPM_CONFIG_USERCONFIG" ]] || setup_npm
[[ -x "$NPM_PREFIX/bin/cordova" ]] || download_cordova


if [[ ! -d "$workspace_root/project" ]]; then
    echo ':: Creating project...'
    echo

    cordova create "$workspace_root/project" com.example.demo DemoApp || error 'failed to create cordova project'
    cd "$workspace_root/project" || error 'could not change to project directory'

    cordova platform add android || error 'failed to add android platform to project'
    cordova plugin add phonegap-plugin-barcodescanner || error 'failed to add barcodescanner plugin to project'
fi

cd "$workspace_root/project" || error 'could not change to project directory'

echo ':: Building project...'
echo

cordova "${1:-build}" android || error 'failed to build cordova project'

Pass along run as an argument to launch the android demo, otherwise it just builds.

It requires user interaction during the Android license stage. Just press y and then enter.