Archive for the ‘ GWT Basics ’ Category

Forms with FileUpload in GWT

In this tutorial we are going to work on creating a form in GWT, and then we are going to work through processing the form from a Java servlet. File uploads with AJAX is certainly one of the more difficult aspects of programming on the client side, but with GWT you can easily implement [ READ MORE ]

Using Multiple Modules in GWT

In this tutorial we are going to work through creating multiple modules for a GWT web application. Multiple modules are a great way to organize and reuse your GWT code, and it is a good way to develop multiple GWT pages with only one entry point. If you are not familiar with the structure [ READ MORE ]

GWT JSNI

JSNI stands for JavaScript Native Interface, and it allows for you to quickly use native JavaScript right in your Java code. With the use of JSNI, you are also able to pass parameters back and forth between JavaScript code and Java code, which increases your capabilities for writing client side applications. So why should you [ READ MORE ]

GWT History

The browser history has always been finicky at best when working with AJAX, but I believe GWT has one of the best frameworks for handling browser history. For this tutorial, you should have a good idea on how to use GWT’s Anchor widget, and also you should know what a hash is, but if not [ READ MORE ]

Anchors in GWT

This tutorial is going to cover the use of the Anchor widget in GWT. The Anchor widget is important because it is going to allow you to link to other pages as well as to pages within your own project. The primary reason why I am writing a specific tutorial on the Anchor widget is [ READ MORE ]

Using GWT Events

This tutorial is meant to be a quick introduction to using events in GWT. For the most part if you want your web application to do anything, you need to know what events are and how to use them. With that said, we can begin by creating a new GWT project, and primarily this tutorial [ READ MORE ]

Making an RPC Call

RPC stands for remote procedure call, which is basically how your GWT client side code will communicate with your server. If you want an in depth analysis of how RPC works then you can click here, and Google will explain the technical details. An RPC call is just like an AJAX call to a servlet, [ READ MORE ]

Parsing JSON with GWT

In this tutorial I am going to show you how to parse a JSON string using the JSON package within GWT. JSON is probably the easiest way to handle data that is being sent from the server down to the client. Of course you can still use XML with GWT, but I find using and [ READ MORE ]

GWT in Hosted Mode

In this post we are going to take a look at GWT while running in hosted mode. The hosted mode feature of GWT makes developing AJAX enabled web applications simple and easy. Google writes “During development, you can iterate quickly in the same “edit – refresh – view” cycle you’re accustomed to with JavaScript, with [ READ MORE ]

Getting GWT Started – Part 2

In part two of Getting Started we are going to work our way through some of the files that are created in a new GWT project. The four files generated when creating a new GWT project are going to be the life blood of your web application, so it is very important to have a [ READ MORE ]