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Google has recently released version android SDK 1.6. This tutorial will teach you how to install it on ubuntu 9.04.
1 Installing Java
Android SDK is built around Java . So, you have to install Sun Java before trying to install Android. Look at this post for details about installation of sun java development kit on ubuntu 9.04.
2) Download android sdk. The current version ( 1.6 R1 ) is available as a tar.gz file from google. Look at this link . You will be prompted to accept android licence and if you accept it, you will be redirected to another link which will permit you to download the sdk. ( It is around 222MB)
3) Unzip the tar.gz file .
I unzipped it to my home folder with the following command
$ tar -xzvf android-sdk-linux_x86-1.6_r1.tgz
All the files were unzipped to a folder named android-sdk-linux_x86-1.6_r1
If you look at the directory now , you will see the following files and folders.
$ ls android-sdk-linux_x86-1.6_r1
add-ons docs documentation.html platforms RELEASE_NOTES.html tools
The tools for android development is under the tools directory.
4) Test drive the android emulator
Since all the android tools are kept under android-sdk-linux_x86-1.6_r1/tools, we must modify the PATH environment variable so that it includes the above directory too.Open a terminal and execute the following.
fermi @Jaunty:~$ PATH=${PATH}:~/android-sdk-linux_x86-1.6_r1/tools
fermi @Jaunty:~$ export PATH
You can also add the above line to your ~/.bash_profile or ~/.bashrc , so that the setting is available always.
My PATH variable looks like this after the above command.
fermi @Jaunty:~$ echo $PATH
/home/fermi/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/home/fermi/android-sdk-linux_x86-1.6_r1/tools
Now you can test fire your set up . It is a good idea to keep all your android related files in a separate folder. I created a new folder named ANDR for experimenting. All the commands below are executed in that folder.
The virtual phones created by android SDK are called AVDs ( android virtual device) .Let us start the experiment with a virtual SDcard and a Virtual Phone.
Let us create a virtual SDcard
$ mksdcard 2048M SDCARD
If you look at the contents of the folder you will see a 2GB file named SDCARD
Next, create an android virtual phone named FERMI_PHONE.
$ android create avd -n FERMI_PHONE -t 2
Android 1.6 is a basic Android platform.
Do you wish to create a custom hardware profile [no]
Press enter to choose no. You will get back the following message.
Created AVD ‘FERMI_PHONE’ based on Android 1.6, with the following hardware config:
hw.lcd.density=160
Now start up android emulator.
$ emulator @FERMI_PHONE -sdcard SDCARD
Your virtual phone pops up as below. ( Another window which asks you to participate in a survey also pops up, you can close it.)
Wait for a moment , your screen will change to the one shown below.
You can press menu button to unlock the phone.
You can flip the phone with CNTRL+F11
Now let us browse on the android phone.
5 )Starting development with SDK.
The easiest way to start development on android is via eclipse. The eclipse version shipped with jaunty is some what old. ( Version: 3.2.2-5ubuntu3) . You need a later version for installing the ADT ( android Development tools ) for eclipse. I downloaded Eclipse 3.5 (Galileo) from the eclipse site and installed it . Then completed the following steps.
In the “Location” field, enter this URL:
https://dl-ssl.google.com/android/eclipse/
Click OK.
Now modify your Eclipse preferences to point to the Android SDK directory:
Now your development environment is ready.
For running a hello world application, read this entry from the developers guide. Here is a screen shot of my hello world application.
Happy Hacking.
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