Do you know that? 9% jobs posted on Elance are for Sales & Marketing next

Write a program to show the addition and removing of the package.

The package is a collection of similar or different classes that can be added or removed. The package that is added with the following parameter in the command as PACKAGE_ADDED action this allow to broadcast the message of addition to the entire system and in the same way the remove command action i.e. PACKAGE_REMOVED is used. The program that performs both the action is as follows:

<receiver android:name ="">
<action android:name="android.intent.action.PACKAGE_ADDED"/>
<action android:name="android.intent.action.PACKAGE_REMOVED"/> 
<data android:scheme="package" />