March 2012
Intermediate to advanced
1011 pages
31h 11m
English
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Chapter 23. Text
Text can be displayed in various ways:
- UILabel
- Displays text, possibly consisting of multiple lines, in a single font and size, with color (and highlighted color), alignment, and wrapping and truncation. Discussed in this chapter.
- UITextField
- Displays a single line of editable text, in a single font and size, with color and alignment; may have a border, may have a background image, and overlay views may appear at its right and left end. Discussed in this chapter; a UITextField is a UIControl subclass, so see also Chapter 25.
- UITextView
- Displays scrollable text, possibly editable, in a single font and size, with color and alignment; can use data detectors to display tappable links. Discussed in this chapter.
- UIWebView
- A scrollable view displaying rendered HTML. Because HTML can express text attribute spans, this is a good way to show text in multiple fonts, sizes, colors, alignments, and so on, and to include images and tappable links. Can also display various additional document types, such as PDF, RTF, and .doc. Discussed in the next chapter.
- Drawing
There are three main ways to draw strings directly:
- Core Graphics
- Low-level methods for drawing text (not NSStrings). For drawing in general, see Chapter 15.
- NSString
-
At a high level, the UIStringDrawing category on NSString endows strings with the ability to draw themselves, along with metrics methods (the
sizeWithFont...methods) for learning the dimensions at which a given string will be drawn. Examples ...
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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.