blocks|key|1934872|text|当UIBarButtonItem包含在UISearchBar中时，可以通过更改其外观来更改取消按钮样式。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1934873|例如,|1934874|[[UIBarButtonItem+appearanceWhenContainedIn:[UISearchBar+class],+nil]+setTitleTextAttributes:[NSDictionary+dictionaryWithObjectsAndKeys:
++++++++++++++++++++++++++++++++++++++++++++++++++++++[UIColor+blueColor],+
++++++++++++++++++++++++++++++++++++++++++++++++++++++UITextAttributeTextColor,+
++++++++++++++++++++++++++++++++++++++++++++++++++++++[UIColor+darkGrayColor],+
++++++++++++++++++++++++++++++++++++++++++++++++++++++UITextAttributeTextShadowColor,+
++++++++++++++++++++++++++++++++++++++++++++++++++++++[NSValue+valueWithUIOffset:UIOffsetMake(0,+-1)],+
++++++++++++++++++++++++++++++++++++++++++++++++++++++UITextAttributeTextShadowOffset,
++++++++++++++++++++++++++++++++++++++++++++++++++++++nil]+
++++++++++++++++++++++++++++++++++++++++++++forState:UIControlStateNormal];|code-block|syntax|javascript|1934875|entityMap^0|1|F|J|B|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@$9|P|A|Q|B|C]|$9|R|A|S|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|T|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|U|8|@]|D|@]|E|$K|L]]|$1|M|3|-4|5|6|7|V|8|@]|D|@]|E|$]]]|N|$]]

You can change Cancel button styling by changing the appearance of <code>UIBarButtonItem</code> when contained in <code>UISearchBar</code>.

For example,

<pre><code>[[UIBarButtonItem appearanceWhenContainedIn:[UISearchBar class], nil] setTitleTextAttributes:[NSDictionary dictionaryWithObjectsAndKeys:
 [UIColor blueColor], 
 UITextAttributeTextColor, 
 [UIColor darkGrayColor], 
 UITextAttributeTextShadowColor, 
 [NSValue valueWithUIOffset:UIOffsetMake(0, -1)], 
 UITextAttributeTextShadowOffset,
 nil] 
 forState:UIControlStateNormal];
</code></pre>

blocks|key|1934948|text|Swift+3|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1934949|let+attributes+=+[
++++NSForegroundColorAttributeName+:+UIColor.white,
++++NSFontAttributeName+:+UIFont.systemFont(ofSize:+17)
]
UIBarButtonItem.appearance(whenContainedInInstancesOf:+[UISearchBar.self]).setTitleTextAttributes(attributes,+for:+.normal)|code-block|syntax|javascript|1934950|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

<h2>Swift 3</h2>

<pre><code>let attributes = [
 NSForegroundColorAttributeName : UIColor.white,
 NSFontAttributeName : UIFont.systemFont(ofSize: 17)
]
UIBarButtonItem.appearance(whenContainedInInstancesOf: [UISearchBar.self]).setTitleTextAttributes(attributes, for: .normal)
</code></pre>

blocks|key|1934889|text|根据htinlinn的回答，这是我在iOS+7中使用搜索栏的视图控制器的viewDidLoad方法中使用的方法：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1934890|[[UIBarButtonItem+appearanceWhenContainedIn:[UISearchBar+class],+nil]
+++++++++++++++++++++setTitleTextAttributes:[NSDictionary+dictionaryWithObjectsAndKeys:[UIColor+whiteColor],+NSForegroundColorAttributeName,+nil]+
+++++++++++++++++++++++++++++++++++forState:UIControlStateNormal];|code-block|syntax|javascript|1934891|entityMap^0|10|B|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@$9|N|A|O|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|P|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|Q|8|@]|D|@]|E|$]]]|L|$]]

Based on htinlinn's answer, this is what I used in my <code>viewDidLoad</code> method of the view controller using the search bar in iOS 7:

<pre><code>[[UIBarButtonItem appearanceWhenContainedIn:[UISearchBar class], nil]
 setTitleTextAttributes:[NSDictionary dictionaryWithObjectsAndKeys:[UIColor whiteColor], NSForegroundColorAttributeName, nil] 
 forState:UIControlStateNormal];
</code></pre>

blocks|key|1721341|text|@htinlinn答案的Swift简化版本：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1721342|let+attributes+=+[
++++NSForegroundColorAttributeName+:+UIColor.textBlueColor,
++++NSFontAttributeName+:+UIFont.systemFontOfSize(13)
]
UIBarButtonItem.appearanceWhenContainedInInstancesOfClasses([UISearchBar.self]).setTitleTextAttributes(attributes,+forState:+.Normal)|code-block|syntax|javascript|1721343|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Simplified Swift version of @htinlinn answer:

<pre><code>let attributes = [
 NSForegroundColorAttributeName : UIColor.textBlueColor,
 NSFontAttributeName : UIFont.systemFontOfSize(13)
]
UIBarButtonItem.appearanceWhenContainedInInstancesOfClasses([UISearchBar.self]).setTitleTextAttributes(attributes, forState: .Normal)
</code></pre>

blocks|key|1934859|text|您可以使用searchBar的tint属性来更改searchBar的颜色，取消按钮的颜色将根据UISearchBar的颜色进行更改。我不能手动编辑。但是你可以在界面构建器中添加一个自定义按钮来隐藏本机的cancel按钮。用户将使用您的自定义按钮作为searchBar的cancel按钮。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1934860|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

You can use the tint property of searchBar to change the color of searchBar, cancel button's color will get changed but according to the color of UISearchBar. I can't be edited manually. But you can always put a custom over it in the interface builder which will hide the native cancel button. And the user will use your custom button as the cancel button of the searchBar.

blocks|key|1934926|text|iOS+9.0之后的快速解决方案(通过修改htinlinn的答案)：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1934927|if+#available(iOS+9.0,+*)+{
++++UIBarButtonItem.appearanceWhenContainedInInstancesOfClasses([UISearchBar.classForCoder()])
++++++++.setTitleTextAttributes([
++++++++++++NSFontAttributeName:+UIFont.systemFontOfSize(12),
++++++++++++NSForegroundColorAttributeName:+UIColor.blueColor(),
++++++++++++NSShadowAttributeName:+NSShadow(color:+UIColor.redColor(),+offset:+CGSizeMake(0,+-1),+blurRadius:+2)
++++++++++++],
++++++++++++forState:+UIControlState.Normal)
}+else+{
++++//+Link+to+Objective-C+Method
}|code-block|syntax|javascript|1934928|和当前的Objective-C方法(从iOS+7.0开始不推荐使用UITextAttributeTextColor)：|offset|length|style|CODE|1934929|[[UIBarButtonItem+appearanceWhenContainedIn:[UISearchBar+class],+nil]
+setTitleTextAttributes:@{
++++++++++++++++++++++++++NSForegroundColorAttributeName:+[UIColor+blueColor],
++++++++++++++++++++++++++NSFontAttributeName:+[UIFont+systemFontOfSize:12]}
+forState:UIControlStateNormal];|1934930|我在上面的代码中使用的小阴影扩展：|1934931|extension+NSShadow+{
++++convenience+init(color:+AnyObject!,+offset:+CGSize,+blurRadius:+CGFloat)+{
++++++++self.init()
++++++++self.shadowColor+=+color
++++++++self.shadowOffset+=+offset
++++++++self.shadowBlurRadius+=+blurRadius
++++}
}|1934932|entityMap^0|0|0|X|O|0|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|V|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|W|8|@$I|X|J|Y|K|L]]|9|@]|A|$]]|$1|M|3|N|5|D|7|Z|8|@]|9|@]|A|$E|F]]|$1|O|3|P|5|6|7|10|8|@]|9|@]|A|$]]|$1|Q|3|R|5|D|7|11|8|@]|9|@]|A|$E|F]]|$1|S|3|-4|5|6|7|12|8|@]|9|@]|A|$]]]|T|$]]

Swift solution after iOS 9.0 (by modifying htinlinn's answer):

<pre><code>if #available(iOS 9.0, *) {
 UIBarButtonItem.appearanceWhenContainedInInstancesOfClasses([UISearchBar.classForCoder()])
 .setTitleTextAttributes([
 NSFontAttributeName: UIFont.systemFontOfSize(12),
 NSForegroundColorAttributeName: UIColor.blueColor(),
 NSShadowAttributeName: NSShadow(color: UIColor.redColor(), offset: CGSizeMake(0, -1), blurRadius: 2)
 ],
 forState: UIControlState.Normal)
} else {
 // Link to Objective-C Method
}
</code></pre>

And the current Objective-C method (<code>UITextAttributeTextColor</code> is deprecated since iOS 7.0):

<pre><code>[[UIBarButtonItem appearanceWhenContainedIn:[UISearchBar class], nil]
 setTitleTextAttributes:@{
 NSForegroundColorAttributeName: [UIColor blueColor],
 NSFontAttributeName: [UIFont systemFontOfSize:12]}
 forState:UIControlStateNormal];
</code></pre>

My little shadow extension used in the code above:

<pre><code>extension NSShadow {
 convenience init(color: AnyObject!, offset: CGSize, blurRadius: CGFloat) {
 self.init()
 self.shadowColor = color
 self.shadowOffset = offset
 self.shadowBlurRadius = blurRadius
 }
}
</code></pre>

blocks|key|1721323|text|更好的解决方案here|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1721324|UIButton+*cancelButton+=+[searchBar+valueForKey:@"_cancelButton"];
[cancelButton+setTitleColor:[UIColor+yourColor]+forState:UIControlStateNormal];
[cancelButton+setTitle:@"Your+Text"+forState:UIControlStateNormal];|code-block|syntax|javascript|1721325|同样，您可以更改按钮的其他样式和文本属性。|1721326|For+iOS+13.*+(@AnujAroshA+AnujAroshA+AnujAroshA在评论中回答)|1721327|UIButton+*cancelButton+=+[searchBar+valueForKey:@"cancelButton"];|1721328|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/a/33936413/2099097^0|7|4|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|W|8|@]|9|@$A|X|B|Y|1|Z]]|C|$]]|$1|D|3|E|5|F|7|10|8|@]|9|@]|C|$G|H]]|$1|I|3|J|5|6|7|11|8|@]|9|@]|C|$]]|$1|K|3|L|5|6|7|12|8|@]|9|@]|C|$]]|$1|M|3|N|5|F|7|13|8|@]|9|@]|C|$G|H]]|$1|O|3|-4|5|6|7|14|8|@]|9|@]|C|$]]]|P|$Q|$5|R|S|T|C|$U|V]]]]

A much better solution <a href="https://stackoverflow.com/a/33936413/2099097">here</a>

<pre><code>UIButton *cancelButton = [searchBar valueForKey:@"_cancelButton"];
[cancelButton setTitleColor:[UIColor yourColor] forState:UIControlStateNormal];
[cancelButton setTitle:@"Your Text" forState:UIControlStateNormal];
</code></pre>

and similarly you can change other style and text properties of the button.

For iOS 13.* (@AnujAroshA answer in comments)

<pre><code>UIButton *cancelButton = [searchBar valueForKey:@"cancelButton"];
</code></pre>

blocks|key|1934958|text|试试这个：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1934959|[[UIBarButtonItem+appearanceWhenContainedIn:[UISearchBar+class],+nil]+setTitleTextAttributes:@{NSFontAttributeName:[UIFont+fontWithName:@"SourceSansPro-Regular"+size:14]}+forState:UIControlStateNormal];|code-block|syntax|javascript|1934960|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Try this one:

<pre><code>[[UIBarButtonItem appearanceWhenContainedIn:[UISearchBar class], nil] setTitleTextAttributes:@{NSFontAttributeName:[UIFont fontWithName:@"SourceSansPro-Regular" size:14]} forState:UIControlStateNormal];
</code></pre>

Is there any way to change the text font and color of the UISearchBar Cancel button without subclassing the searchbar?

Modifying UISearchBar Cancel button font text color and style

Objective-C

Swift

有没有办法更改UISearchBar取消按钮的文本字体和颜色，而不需要创建搜索栏的子类化？

问修改UISearchBar取消按钮字体、文本颜色和样式
EN

回答 8

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