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Introduction and Example of Eventbus in Android.

EventBus is a library of Greenbot . This is very simple for all users how to implement and its basic use. Here I will also share examples for better understanding. What is EventBus? EventBus is subscribed/publish event bus to communication between components with limited lines of code, in short, its bus for events transfers the data between one activity(class) to another to reflect the changes based on our needs. That makes the data exchange between components like Activity, Fragment, Services, and any kind of backgrounds threads pretty easy. EventBus can handle the threading for us: events can be posted in threads different from the posting thread. Common use can be dealing with UI changes. In Android, UI changes must be done in the Main(UI) thread. In other words, networking or more time-consuming task cannot be handled in the Main thread, for that we must use AsyncTask or Handler to make it more smooth. Now we have one more options use EventBus to change the UI po...

Part - 2: Webservice running in Android with Database

If you do not completed simple example for how to call soap service from android then please look at my Part - 1 : Calling Web Service from Android After successfully understand the basic info from Part - 1, we moved to another advance example with database connectivity. Our android application connected with database, return value and display in our Android device. Here, I am using Microsoft SQL Server Database connectivity, you can use your preferred database. Before start the our implementation we first download the required library files for our use. 1. SQL Connectivity jar file for Webservice : http://www.4shared.com/file/IxoPooiE/sqljdbc.html 2. Ksoap Library file for Android : http://www.4shared.com/file/uOhx5aoj/ksoap2-android-assembly-24-jar.html Dynamic Web Project First we create webservice project. In that project we are connecting SQL database and write connection between them to retrieve the books data. Once its completed then move to Andro...

Part - 1 : Calling Web Service from Android

I was running Web Service successfully in Year-2010 and already post into many forums. But some of forum/sites had removed that post So I thought to post once again for those who still facing problem. First I am giving simple code that will help you. First create Dynamic Web project using Eclipse IDE. and create one class : Converter.java This class place under this package:  org.web.prashant.adesara now select Converter.java file and do right click and New--> Other--> Web Services--> and select Web Service There are two option 1. Web Service Type 2. Client Type in first point you have to select slider as a Start Service: and in second point you have to select slider as a Test Client and click on Finish button. You web Service will run automatically. Just check your webservice will work properly or not. Main Steps: Now most important thing is you have to download ksoap2 jar file Now Create Android Project and copy paste this code...