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SQL Lite Performance on Android

For those who are unaware, Android has some build-in classes to support the use of SQL Lite databases. It provides a great way to structure a small amount of data within Android. However, there are a few pitfalls of using these ...
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Android – Load WebView with ProgressBar

Problem: How to load WebView with ProgressBar? Description: Previously, i have published an article for Android – WebViewClient example where we have discussed about how to load URL inside the application instead of opening a ...
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Android – Read file from Assets

Description: First of all, let me give you a link: AssetManager, through this class we can easily access any files lying inside the Assets directory of android application. (or any sub-folders inside the Assets directory). Now, we ...
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Learning Android: Freezing the UI with a BroadcastReceiver

As I mentioned in a previous post I recently wrote some code in my Android app to inform a BroadcastReceiver whenever a service processed a tweet with a link in it but in implementing this I managed to freeze the UI every time tha ...
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Learning Android: Getting a service to communicate with an activity

In the app I’m working on I created a service which runs in the background away from the main UI thread consuming the Twitter streaming API using twitter4j. It looks like this: public class TweetService extends IntentService { ...
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Android Drag and Drop Tutorial

This post is going to cover implementing Drag and Drop in an Android application. (I am currently using version 4.0 of the sdk, but I originally wrote the code in this series with the 3.1 version.)Why Use Drag and Drop When I st ...
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Android Tutorial: Gestures in your app

Gestures in mobile apps are pretty common place these days. Almost anyone with smart phone experience knows that pinching will usually zoom in on an image. Now, using Gestures in Android is a snap. OnTouch All gestures are really ...
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Android: Gallery View without Pictures

Android’s Gallery View is one of the first widgets Android created. It’s so old now that some people even find it hard to find. The Gallery view provides a list of scrollable objects much like the standard ListView. The one ma ...
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Android Interview Questions and Answers

Here are some basic Android related interview questions and their respective answers. What is Android? Android is a stack of software for mobile devices which includes an Operating System, middleware and some key applications. The ...
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Android App Engine Integration

Google App Engine is great for those of you in search of a complete, scalable and affordable hosting solution. Especially if you start a project and you don’t yet know exactly how successful it’ll be (which mos ...
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