Working with gestures is fairly simple as Flutter was designed to work in the mobile environment. Let’s start by creating a basic Flutter app, the way we’ve done before. Then removing the comments and existing widgets so we’re left with a blank app. The Simplest Gesture – the Tap The onTap() is very similar to…
As mentioned when we talked about three-tier systems, one of the key aspects is keeping elements separated so they can be updated/changed. You may have different User Interfaces, such as Web, Mobile, and even Desktop Applications, which can all co-exist because they call to load info from the business logic server (sometimes called app server)…
If you want to apply an image, you can use the background-image property. The url() takes a string which specifies where the file is located in relation to the CSS document. If it is within a style tag of the document, then it is based upon the location of the web document. Notice how we…
Backgrounds, whether it be an image, a solid color, or even a gradient, are controlled via CSS in HTML5.It is the size of the element, plus the padding, and border. Typically, you will expect to see a background image on a body tag, or other similar large tag. However, you can place them on any…
When developing a Java application which uses a database, you need to consider several things, such as are you developing the Java Application first, or the Database first? Which database are you going to use (Oracle, DB2, SQL Server, MySQL, etc) Regardless, you will need a JDBC driver for your Java application. Most likely this…
You can use the <figure> tag set to surround the image and the <figcaption> tag set. You may need to remove any classes from the image, you have HTML code that looks like: You can use CSS to style your figure, and caption area as well, to help them stand out and have a standard…
When selecting images, you also need to make sure you are selecting the right type of image and saving it correctly if you are given an option. Most pictures on your computer are made up of a matrix of pixels – short for picture elements. These picture elements are the smallest unit your image can…
As we previously saw, the image (img) tag is easy to use, however, as more and more people view websites on tablets, phones, and other devices besides a computer, we have to be mindful of how images will appear to those users. In CSS we can use responsive design, which adjusts the layout based upon…
