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Android app development for beginners 3: Building a simple Simple User-Interface

In this tutorial you'll learn: 1. How to interact with a simple User-Interface 2. LinearLayout and some basic attributes of the basic UI elements.

Bar Code Scanner using Zbar library in android

There are so many libraries like Zbar,Zxing Red-Scanner that are used for bar code scanning. I am explaining here Zbar library integration for bar code scanning. Zbar is open source. It is fast,simple as compared to Zxing. First of all you h...

Shared Preferences in android

Android provides some features to store and retrieve data of an application. SharedPreferences is one of the simple and easy way among them.We save data in key, value pair. We have to call getSharedPreferences(), It returns the SharedPrefr...

Solution of EditText font in password mode

When an EditText is in password mode, It looks that its font is different. When we change typeface in xml , It dosent work. There is a solution : We should change it from java like this <EditText android:id...

Custom Dialogs in android using DialogFragment

Custom Dialogs in android using DialogFragment: DialogFragment is the fragment that shows dialog window on top of your activity. We have to override DialogFragment class and implement onCreateView(LayoutInflater, ViewGroup, Bundle) to use ...

How to deal with Out of Memory Exception in Android ?

How to deal with Out of Memory exception in android: In android we encounter with out of memory exception many times. The reasons are we don't have expanding memory and completely dependent on device the memory available on phone. So we don't...
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