May 2011
Beginner
834 pages
25h 19m
English
Content preview from Programming iOS 4Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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UITextField
A text field has many of the same properties as a label, but a text field can’t contain multiple lines. So it has a text, font, textColor, and textAlignment. It also has adjustsFontSizeToFitWidth and minimumFontSize properties, although these don’t work exactly like a label; a text field won’t allow its font size to shrink automatically as small as a label will. If the user enters text that is too long for the width of the field, the text moves (scrolls horizontally) to show the insertion point, but when the field is no longer being edited, text that is too long is displayed with an ellipsis at the end.
A text field also has a placeholder property, which is the text that appears faded within the text field when it has no text; the idea is that you can use this to suggest to the user what the text field is for. If its clearsOnBeginEditing property is YES, the text field automatically deletes its existing text when the user begins editing within it.
A text field’s border drawing is determined by its borderStyle property. Your options are:
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UITextBorderStyleNone - No border.
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UITextBorderStyleLine - A plain rectangle.
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UITextBorderStyleBezel - A slightly bezeled rectangle: the top and left sides have a very slight, thin shadow.
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UITextBorderStyleRoundedRect - A rounded rectangle; the top and left sides have a stronger shadow, so that the text appears markedly recessed behind the border.
A text field can have a background color (because it is a UIView) or a background image ( ...
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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.