In the previous post we saw one way to deal with threads in Android, which is by using Handlers. In this post we’ll see how to use another technique which is using AsyncTask class. AsyncTask is an abstract class that provides several methods managing the interaction between the UI thread and the background thread. it’s […]

Multi-Threading concept is essential in most platforms. it provides maximum utilization of the processor. threading is used when the program executes time consuming processes (such as calling a web service) and to give a good user experience by unblocking the UI. Android provides threading techniques to perform time consuming tasks in a background thread with coordination with the […]

In this tutorial I will cover building Android content providers. Content providers are the way that Android applications can share info between each other. an application can ask for info from another application using content providers. In this post we’re going to create a content provider to access data from our previous Employees simple application […]

In the last post we created a sqlite database android application. We saw that the database file is stored in the file system directories of that application meaning that the database cannot be accessed from another application. You can apply the same thing on any resources within your application (Files, images, videos, …). But there […]

Android default Database engine is Lite. SQLite is a lightweight transactional database engine that occupies small amout of disk storage and memory, so its a perfect choice for creating databases on many mobile operating systems such as Android, iOS. Things to consider when dealing with SQLite: Data type integrity is not maintained in SQLite, you […]

In this post we’re going to see two interesting controls in Android: ViewFlipper and SlidingDrawer. View Flipper: Suppose you want to display a news bar in your activity. this news bar displays a single news item at a time then flips and shows next item and so on, then your choice would be Android’s ViewFlipper. […]