In this tutorial I will show you how to create a Number class that can tell you when its value has been actually set, along with other methods to manage how it is used while demonstrating some common object-oriented techniques and features such as operator overloading. You’ll be able to create a Number from an Integer, Double or String.
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When developing iOS apps with Xojo you may spend a good amount of time debugging, whether in a iPhone, or iPad simulator or on a real device. With this in mind, let’s learn a good way to handle the Simulators list in Xcode and Xojo.
Comments closedIn my session at XDC 2023, I talked about ways to design your apps so you reuse code across platforms. The first project is JSONReader, so let’s dive in.
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Welcome to London! The 2023 Xojo Developer Conference is underway, starting with the keynote from Xojo Founder and CEO Geoff Perlman. The keynote video will be available shortly on Xojo’s YouTube channel so you can watch it on-demand, here is what we have announced so far:
Comments closedComposing new controls using primitives is something you definitely want to explore. Let’s build a reusable vertical navigation, with animations, for your Xojo Web projects using the Atomic Design Methodology.
Comments closedGraphic chart support is new in Xojo Desktop and Xojo Mobile (iOS) in Xojo 2023r1. The new DesktopChart and MobileChart offer a similar look and behavior to what you find when using Xojo’s WebChart. Let’s review all the things you can do with the new DesktopChart and MobileChart in your Xojo projects.
Comments closedUsing Xojo’s URLConnection to communicate with web services is pretty straightforward. But testing the actual REST API calls can get tricky. To make it easier to test and experiment with REST API calls, Paul created a app in Xojo for doing just this. He called it RESTy in its original format back in 2015. You can download the updated project here built with Xojo 2022r4.1.
Comments closedThere are some situations where you may need a range of numbers that is equally spaced. For example, when given a minimum and a maximum value within which a set of numbers that need to be equally spaced. This is useful if you are designing an UI control displaying “ticks” or for the axis of a graphic chart displaying cartesian values. Continue reading to see a technique to do just this.
Comments closedKnowing the firing order of the Opening event in Xojo Desktop and Mobile apps, and the Shown event for Xojo Web apps, is important to using these correctly for a control’s initialization. The same can be said for Closing and Closed events. Read on for a breakdown of this order for Desktop, Web and Mobile apps developed in Xojo.
Comments closedBootstrap is the toolkit the Xojo Web framework uses to create the UI controls for your web projects. Bootstrap continues to improve and as a result we are working to upgrade the Web framework to the latest version. We are currently planning to ship this updated Web framework in Xojo 2023r2.
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