Download Java

Android tools runing by Java, so we must install Java before everything.
In ubuntu, we can install it by apt-get, which is very convenient.

sudo apt-get install default-jre

Download sdk

wget http://dl.google.com/android/android-sdk_r22.0.5-linux.tgz

Config hosts

In china, if we do not config anything else, it will download slowly. So we must config Google's hosts.

sudo vim /etc/hosts

add follow text to hosts file.

#Google主頁
203.208.46.146 www.google.com
#這行是為了方便打開Android開發官網 現在好像不VPN也可以打開
74.125.113.121 developer.android.com
#更新的內容從以下地址下載
203.208.46.146 dl.google.com
203.208.46.146 dl-ssl.google.com

then save.

Run update

unzip the android-sdk_r22.0.5-linux.tgz file. and into this directory. run this commmand :

tools/android update sdk --no-ui -s

then it will update automaticlly.

Config android Path

if we want to use android command tools. We must add sdk to out path.

 export ANDROID_HOME=~/android-sdk-linux
 export PATH=$ANDROID_HOME/tools:$PATH
 export PATH=$ANDROID_HOME/platform-tools:$PATH

added this to you .bashrc then source it. Now your can use it.