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This is my first time developing Android applications. I'm developing an Android app on Eclipse on Windows 7. I would like to run the Android app from the Windows 7 command line interface. I have my Android device connected to the PC.

The workspace directory that I use to store the Android project is

C:UsersGuestDesktopSoftware Applications DevelopmentJavaAndroid Moblie Applications ProjectsEclipse Indigo for Java EE x64-bitproject workspace

I opened the command line interface and I changed the working directory to the Android workspace directory.

cd C:UsersGuestDesktopSoftware Applications DevelopmentJavaAndroid Moblie Applications ProjectsEclipse Indigo for Java EE x64-bitproject workspace

I included Android sdk platform tools directory into the PATH environment variable.

c:UsersadminAndroid-sdksplatform-tools

Then I entered this into the Windows 7 command line interface:

ant debug

I have this error message on the cmd:

ant is not recognised as an internal or external command, operatable program or batch file.

What is the solution to this problem?

ant is not a part of standard Android SDK setup. You'll have to install it.

• Download the latest ant zip file from The Apache Ant Project.


• Extract the zip file to a folder, say c:ant
  


• Add c:ant to your path environment variable

Once these are done, you'll be able to run ant from the command line

To assist with the above. verify from your Java installation directory that You have tools.jar; if not go and download http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html . after installation, you should see tools.jar in the lib subdirectory(i.e path_to_installation/java/jdkx.x.x/lib).
After that; you need to add the path to this new installation with : variable_name: JAVA_HOME and variable_value= path_to_installation/java/jdkx.x.x

Ant should not give you the JDK error again. If you already have the tools.jar, then just add the JAVA_HOME to point to the directory as mentioned above "path_to_installation/java/jdkx.x.x"-this assumes that tools.jar is some where in the jdkx.x.x directory
You may encounter issues with build.xml, check out this link: http://www.vogella.com/articles/AndroidBuildAnt/article.html

Note: x.x.x represents the version Number of your installation

Navigate to the .android folder in your home directory ~/.android (Linux,Mac OS) or C:Documents and Settings[User Name].android in Windows XP or C:Users.android in Windows Vista or Windows 7, and delete the debug.keystore file. Then go to eclipse and clean the project, this will create a new debug.keystore file with default validity period 365 days.

For Linux user: Delete your debug certificate (debug.keystore and ddms.cfg) under ~/.android/debug.keystore

For Windows user: Delete your debug certificate (debug.keystore and ddms.cfg) under
C:Documents and SettingsAdministrator.android

First, you have to download ANT. Here is the link https://ant.apache.org/bindownload.cgi.

Then extract your downloaded file in C:Program FilesAnt Folder where Ant Folder is the folder name where I have extracted.

Now you have to set environment variables.

Right click on This PC > Properties > Advanced system settings > Environment Variables > User variables > New > Variable name:ANT_HOME & for Variable value:C:Program FilesAnt Filesapache-ant-1.10.5 > OK.

Now goto System variables to add bin path.

System variables > double click on Path >New > C:Program FilesAnt Filesapache-ant-1.10.5bin > OK.

Now let's check whether it is installed correctly or not.

goto Command Prompt > and type ant -version.

That's it. Let me know if still getting any difficulties.