December 2012
Intermediate to advanced
834 pages
27h
English
Content preview from iOS 6 Programming Cookbook
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2.3. Customizing the UISwitch
Problem
You have placed UISwitch instances on your UI and would now like to customize them to match your UI.
Solution
Simply use one of the tint/image customization properties of the
UISwitch such as the tintColor or the onTintColor.
Discussion
In both iOS 5 and iOS 6 SDKs, Apple has done a fantastic job of bringing customization to UI components such as the UISwitch. In previous SDKs, developers were going as far as subclassing UISwitch just to change its appearance and color. Now, iOS 6 SDK makes this much simpler.
There are two main ways of customizing a switch:
- Tint Colors
Tint colors are colors that you can apply to a UI component such as a UISwitch. The tint color will be applied on top of the current color of the component. For instance, in a normal
UISwitch, you will be able to see different colors. When you apply the tint color on top, the normal color of the control will be mixed with the tint color, giving a flavor of the tint color on the UI control.- Images
A switch has two images:
- On Image
The image that represents the on state of the switch. The width of this image is 77 points and its height is 22.
- Off Image
The image that represents the switch in its off state. This image, like the on state of the switch, is 77 points in width and 22 points in height.
Figure 2-9 shows an example of the on and off image of a switch.
Figure 2-9. The on and off images on ...
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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.
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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.