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#How to setup android app compilation enviroment on ubuntu 18

Requirements:

1. JDK
2. SDK 3.nginx

1. Java JDK installation on linux

$ sudo apt-get install openjdk-11-jre
$ sudo apt-get install openjdk-8-jre
$ sudo apt-get install openjdk-8-jdk

If you desire a specific java version you can switch with:

$ sudo update-alternatives --config java

To confirm check current java version:

$ java -version

2. SDK installation.

Install package using snap https://snapcraft.io/androidsdk

sudo snap install androidsdk

Install packages

androidsdk packages [options]

The packages argument is an SDK-style path as shown with the --list command, wrapped in quotes (for example, "build-tools;29.0.0" or "platforms;android-28"). You can pass multiple package paths, separated with a space, but they must each be wrapped in their own set of quotes.

For example, here's how to install the latest platform tools (which includes adb and fastboot) and the SDK tools for API level 28:

androidsdk "platform-tools" "platforms;android-28"

update all install packages:

androidsdk --update

Export the Android SDK path

export ANDROID_HOME=$HOME/AndroidSDK

export PATH=$PATH:$ANDROID_HOME/tools/bin

export PATH=$PATH:$ANDROID_HOME/platform-tools

Save paths to environment:

source ~/.bashrc

Accept android sdk licences to use build tools

sudo androidsdk --licenses

#build android app

Give gradlew permission :

chmod 777 gradlew

Build debug app:

./gradlew assembleDebug

Setting nginx to listen & forward to node server

server {
    listen       ...;
    ...
    location / {
        proxy_pass http://127.0.0.1:8080;
    }
    ...
}

Reload nginx config :

nginx -s reload