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Setup Overview

  • Java Development Kit (JDK)
  • Software Development Kit (SDK)
  • Latest API
  • Environment Variables

Java Development Kit (JDK)

The Java Development Kit (JDK) contains the Java Runtime Environment (JRE).

Open JDK is the open-source variant of the JRE and JDK.

sudo apt update
sudo apt install openjdk-8-jdk

# Java version 1.8.0_5 = JDK 8 update 5

java -version # java version "1.8.0_181"

# Add this line to ~/.profile
export JAVA_HOME="/usr/lib/jvm/java-1.8.0-openjdk-amd64"

export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
export PATH=$PATH:/usr/lib/jvm/java-8-openjdk-amd64/bin

# Reload configuration
source ~/.profile

Gradle

As of Android 6.4.0, Gradle is now required to be installed to build Android. Gradle requires Java Development Kit (JDK) 7 or higher in order to work.

wget https://services.gradle.org/distributions/gradle-4.9-bin.zip
sudo unzip -d /opt/gradle gradle-4.9-bin.zip

Software Development Kit (SDK)

By default, the Android SDK does not include everything you need to start developing.

The Android SDK can be broken down into several components. These include:

  • Core
    • SDK-tools
    • Platform-tools
    • Build-tools
  • Extra
    • The Android Debug Bridge (ADB)
    • Android Emulator

Arguably the most important parts of this package are in the SDK-tools. You will need these tools regardless of which version of Android you are targeting.

From the SDK you really only need sdk-tools, platform-tools, build-tools and the latest API.

sudo apt-get install android-sdk
wget https://dl.google.com/android/repository/sdk-tools-linux-4333796.zip
sudo unzip -d /home sdk-tools-linux-4333796.zip

# Add this line to ~/.profile
export PATH=/opt/pradip/tools:/opt/pradip/tools/bin:$PATH

# Reload configuration
source ~/.profile

Latest API

After installing the Android SDK, you must also install the packages for whatever API level you wish to target. It is recommended that you install the highest SDK version that your version of Android supports.

sdkmanager --list
  • Android Platform SDK for your targeted version of Android
  • Android SDK build-tools version 19.1.0 or higher
  • Android Support Repository (found under "Extras")

API Level distribution

The Android platform provides a framework API that applications can use to interact with the underlying Android system. Updates to the framework API are designed so that the new API remains compatible with earlier versions of the API.

Version Codename SDK / API level Release Cummulative share
Android 14 Upside Down Cake 34 2023 16.3%
Android 13 Tiramisu 33 2022 42.5%
Android 12 Snow Cone 32 / 31 2021 59.5%
Android 11 Red Velver Cake 30 2020 75.7%
Android 10 Quince Tart 29 2019 84.5%
Android 9 Pie 28 2018 90.2%

Android Package APK (.apk)

It contains all your code, along with any data and resource files.

It's the file that Android-powered devices use to install the app.

Environment Variables

We need to configure and export the environment variables so that the executables can be run directly from anywhere. Add them to ~/.bashrc to make them permanent.

sudo vim ~/.profile

add following code to the end of the file...

# Gradle
PATH=$PATH:/opt/gradle/gradle-4.9/bin

# Android SDK
ANDROID_HOME="/usr/lib/android-sdk/"
PATH="${PATH}:${ANDROID_HOME}tools/:${ANDROID_HOME}platform-tools/"

save, exit and run source to relad the configuration.

source ~/.profile

SDK Manager

https://www.androidauthority.com/android-sdk-tutorial-beginners-634376/
https://www.androidauthority.com/how-to-install-android-sdk-software-development-kit-21137/

Android Virtual Device Manager (AVD)

Create a virtual device where you set the desired device with the system image downloaded via the SDK manager, as well as the target API.

Build Process

https://developer.android.com/studio/build