Most probably, the greatest part of your time will be consumed in fine-tuning the final result when working with gradient layers different values to the layer’s properties can lead to completely different outcome. Actually, there are a few properties that you need to set, and you’re ready to go after that. Creating a Gradient LayerĬreating a layer with gradient colors is a fast and simple task, including specific actions that must be taken. However, that’s totally fine for our demo, as whatever you see works for more than two colors as well. I’m using mostly fancy colors just to make my point, and two colors only so as to keep things simple. In the following parts I’m going into the details of each property that can be used to configure the gradient effect. One disadvantage of the CAGradientLayer is the fact that radial gradient is not supported, but that’s something you can live with if you mostly need to make linear gradients. All the details will be discussed in the following parts of this post, but it’s important to understand that when using the CAGradientLayer class to create gradient effects, you’re actually working on the layer of the view that the gradient should apply to. Almost all of them can be animated, so at the end you have beautiful results with a little effort. Generating a simple gradient takes four lines of code and less than a minute only, while the extremely few properties provided can be used for fine-tuning the final result. The CAGradientLayer, a subclass of the CALayer class that every view object contains, exists just for that purpose to make gradient effects. And that brings us to the third, super-fast and simplest approach: The use of a CAGradientLayer object. Also, Core Graphics framework is addressed to more advanced users, so new developers might won’t like the idea of using it just to create a gradient effect. The second way involves the use of Core Graphics techniques, but you need to have some knowledge about all that (for example the graphics context, color spaces, and more). However the big disadvantage here is that you cannot change the gradient on the fly, unless you design and use a bunch of images representing various states of the gradient. The first and least recommended way is to use images that contain the gradient effect. So, how can a gradient effect be created quickly and painlessly? There are actually three ways to achieve that. The technique to create gradients is simple and it’s a pity not to be used by developers. I had personally a few times only the opportunity to create gradient colors, and the last time I did so I considered to be a good idea to have a post discussing about gradients, so here it is. Sometimes, however, something more might be needed simple colors might not be good enough for the best outcome in certain cases, but gradient colors could become the perfect fit. Every developer always uses color combinations along with images to produce a good-looking result when creating an app, trying always to achieve the best user experience possible.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |