July 2013
Beginner
246 pages
5h 3m
English
Content preview from Vaadin 7 UI Design By Example: Beginner's GuideBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Generated application explained
We have completed the first step of configuring our development environment to develop and run Vaadin applications. Now let's get started with the real cool stuff: the code.
Open the file WelcomeUI.java (or MyVaadinUI.java if you are using NetBeans or Maven). You will see something like this:
package com.example.welcome; import com.vaadin.server.VaadinRequest; import com.vaadin.ui.Button; import com.vaadin.ui.Button.ClickEvent; import com.vaadin.ui.Label; import com.vaadin.ui.UI; import com.vaadin.ui.VerticalLayout; public class WelcomeUI extends UI { protected void init(VaadinRequest request) { final VerticalLayout layout = new VerticalLayout(); layout.setMargin(true); setContent(layout); Button button = new Button("Click ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.