The Android NDK need use linux,i chose to use x64 Ubuntu.
I downloaded the Server Ubuntu version from here. The Link：http://www.ubuntu.com/download/server
The installation steps are not written.Installation system is complete, the next thing you need to do.
1.Install Gnome interface：
sudo apt-get install ubuntu-desktop
（Need to wait for a few minutes.Download 2000mb content）
2.Remove redundant components：
sudo apt-get remove libreoffice-common
sudo apt-get remove unity-webapps-common
sudo apt-get remove thunderbird
sudo apt-get remove onboard deja-dup
sudo apt-get remove totem rhythmbox empathy brasero simple-scan
sudo apt-get remove webbrowser-app landscape-client-ui-install
（To execute the command）
3.Install necessary components：
sudo apt-get install vim
sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java8-installer
sudo add-apt-repository ppa:webupd8team/sublime-text-3
sudo apt-get update
sudo apt-get install sublime-text
sudo apt-get install git
（To execute the command）
NOTE：The implementation of the above steps, just to get a pure Linux system.This part is universal.
Install Visual Studio Code:
sudo apt-get install mono-xbuild
sudo apt-get install mono-mcs
sudo apt-get install npm
Install CSharp(mono):
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
echo "deb http://download.mono-project.com/repo/debian wheezy main" | sudo tee /etc/apt/sources.list.d/mono-xamarin.list
sudo apt-get update
sudo apt-get mono-complete
Install and Compile mono:
sudo apt-get install git autoconf libtool automake
PATH=$PREFIX/bin:$PATH
git clone https://github.com/mono/mono.git
cd mono
./autogen.sh --prefix=$PREFIX
make
make install