Android Autocomplete Textview Example

What is AutoCompleteTextView?

An editable text view that shows completion suggestions automatically while the user is typing. The list of suggestions is displayed in a drop down menu from which the user can choose an item to replace the content of the edit box with.

The drop down can be dismissed at any time by pressing the back key or, if no item is selected in the drop down, by pressing the enter/dpad center key.

Layout architecture:

The application that we are going to develop has a simple screen with TextView.

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Android JSON Web Service Tutorial

In this post we will be discussing on how to consume JSON response (returned on invoking web service) in Android applications. I took simple example to demonstrate the JSON Web service tutorial. The example which we are gonna create will have two spinner controls (called Dropdownlist in traditional desktop applications), one to display ‘Countries’ list and other to display ‘Cities’ list.

When user selects a country from the ‘Countries’ spinner control, cities belong to the selected country will be populated in the ‘Cities’ spinner control.

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jQuery Examples

Another milestone achieved to help the programmer community (mostly novice programmers).

Yeah, We are happy to announce that we have launched ‘jQuery Examples – library’ under http://programmerguru.com/ tutorial site where you can find and run jQuery examples collection.

It works like a community portal where users can submit their examples which will then become available to entire jQuery community.

To view jQuery examples – library, click following link:

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AJAX Tutorial

We are happy to announce that we have launched tutorial on AJAX – Asynchronous Javascript and XML.

Click through the below links to learn AJAX – a technique for creating dynamic, better, faster and more interactive web applications.

Lot more tutorials are coming soon, keep watching the space for more updates.

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How to call Java web service in android

It was bit difficult to find out a good tutorial on how to call Java web service from inside Android application so I just decided to write one.

In this post, we are going to discuss about calling a web service from inside an Android application that has been developed using JEE technology.

Before we start with developing application, create a simple web service and deploy it in Apache Tomcat or Glass Fish server (server installed in your local machine or hosted server).

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How to call asp.net web service in android

It was bit difficult to find out a good tutorial on how to call ASP .Net web service from inside Android application so I just decided to write one.

In this post, we are going to discuss about calling a web service from inside an Android application that has been developed using ASP .Net technology.

Before we start with developing application, create a simple web service and deploy it in IIS server (server installed in your local machine or hosted server).

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JSON Tutorial

We are happy to announce that we have launched tutorial on JSON – JavaScript Object Notation which is the replacement for XML to transfer data.

Click through the below links to learn JSON – modern way of handling data transfer between heterogenous servers, web applications and mobile applications.

Lot more tutorials are coming soon, keep watching the space for more updates.

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How to change the back button behaviour

Sometimes, when developing Android applications, there is a need to override the default behaviour of the back button which means assigning another behavior for the ‘Back’ button. Although changing the behaviour of back button is not recommended, but there are some situations where changing the ‘back’ button behavior is mandatory, such as to avoid accidentally finishing or closing the current Activity.

For example, a text editor, should confirm if the user really wants to quit without saving the current changes, or a game, that check if it is the player’s intention to close the current game session.

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