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    <p>Start by reading the <a href="http://developer.android.com/reference/android/content/BroadcastReceiver.html">documentation</a>. Also, copying from <a href="http://developer.android.com/guide/topics/fundamentals.html">Application Fundamentals</a>:</p> <blockquote> <p><strong>Broadcast receivers</strong></p> <p>A broadcast receiver is a component that responds to system-wide broadcast announcements. Many broadcasts originate from the system—for example, a broadcast announcing that the screen has turned off, the battery is low, or a picture was captured. Applications can also initiate broadcasts—for example, to let other applications know that some data has been downloaded to the device and is available for them to use. Although broadcast receivers don't display a user interface, they may create a status bar notification to alert the user when a broadcast event occurs. More commonly, though, a broadcast receiver is just a "gateway" to other components and is intended to do a very minimal amount of work. For instance, it might initiate a service to perform some work based on the event.</p> <p>A broadcast receiver is implemented as a subclass of BroadcastReceiver and each broadcast is delivered as an Intent object. For more information, see the BroadcastReceiver class.</p> </blockquote> <p>Finally, read in <a href="http://developer.android.com/guide/appendix/faq/commontasks.html#broadcastreceivers">Common Tasks</a> how you can utilize BroadcastReceivers to listen for messages and set alarms.</p>
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    1. COthank you @kgiannakakis .. above link is not opening can you provide me some onther link for commontask..
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    2. COSee http://www.linuxtopia.org/online_books/android/devguide/guide/appendix/faq/commontasks.html#broadcastreceivers for an alternative. I believe however that the link (official documentation) is only temporarily not working.
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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