Http requests in Android

in Android
Android contains a great support for interacting with different web services. This tutorial shows how to make a basic GET request to a web server and read the returned contents.
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Check network connection availability

in Android
Mobile device may lose its network connection any time. This short example shows how to check if the Android device has a working connection.
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Save preferences with SharedPreferences

in Android
Android SharedPreferences is a cool way to store user preferences to a file. All of the work is handled by the SharedPreferences class and as a bonus the class creates a file that is human readable.
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Using self signed certificates with Android

in Android
This tutorials shows how to use self signed certificates in Android application. This tutorials aimed only for testing and development, since you should never allow self signed certificates in released application.
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Android application traffic info

in Android
In this tutorial I'll take a brief look at the traffic data available for the developer. It introduces few of the most common methods of TrafficStats class
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