# Description of the build environment 

* Ubuntu 16.04
* Android Studio 2.3.3 for Linux 
* Android_NDK r13b for Linux 
* JDK 8 

## Requirements

install the packages as follow

   sudo apt-get install automake ant autopoint cmake build-essential libtool \
        patch pkg-config protobuf-compiler ragel subversion unzip git \
        openjdk-8-jre openjdk-8-jdk



## SDK & Android Studio

Install Android Studio IDE or just the command-line tools. The link is located in the dependencies directory.

For the command-line tools. Create a directory android-sdk and unzip the tool in this directory.

  mkdir android-sdk
  cd android-sdk; unzip tools.zip
  ./tools/bin/sdkmanager --update

Set $ANDROID_SDK to point to your Android SDK directory

   export ANDROID_SDK=/path/to/android-sdk



## Android NDK

Install the NDK. Download and decompress the NDK file.

Set $ANDROID_NDK to point to your Android NDK directory

   export ANDROID_NDK=/path/to/android-ndk

Add some useful binaries to your $PATH
   
   export PATH=$PATH:$ANDROID_SDK/platform-tools:$ANDROID_SDK/tools



## Android Studio emulator 

Emulator Nexus_6P_API_22 Android 6.0, API 22, CPU x86, size on disk 4GB.
