setup android app development enviroment

1. Install JDK

 Download JDK and install latest version
 http://www.oracle.com/technetwork/java/javase/downloads/index.html

2. Install ADT (Android Development toolkit)
 Download ADT and unzip , it does not need to install
 http://developer.android.com/sdk/index.html

3. Run SDK Manager under ADT installed directory and install SW pacakges what you need
 In my case, it located C:\adt-bundle-windows-x86-20131030\SDK Manager.exe and Android 4.3(API18) is installed

4. After installing package, run eclipse.
 In my case, it loacated C:\adt-bundle-windows-x86-20131030\eclipse\eclipse.exe

5. Set up virtual device for debugging
Select menu > windows > android SDK manager then tools > manageADVs on android SDK manager dialog and create virtual device. If your PC is not good enough, vitual device can not run. In this case, select lpw option of vitual device

6. Make sample project
 Select file > new > android application project.
 Now just setup project name and use default others (just click next)

7. Build project
 Right click Project name on Project ecplorer, then select debug as >  android application
 then application runs on ADV

8. Create APK  If you want to install on the phone, you must create APK file
 Right click Project name on Project ecplorer, then Android tools > export signed application package
 There is unsigned application package, if you create unsigned package , it can not be intalled so you shoud be better install signed package

For creating signed package, you need keystore. If you already have keystore, select "use existing keystore", if not, select "Create new keystore"

9. Phone test
 Copy Created APK file to youer phone and run