blocks|key|5083705|text|适用于iOS+7及更高版本：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|5083706|++++[[UITextField+appearanceWhenContainedIn:[UISearchBar+class],+nil]+setDefaultTextAttributes:@{
+++++++++++++++++++++++++++++++++NSForegroundColorAttributeName+:+[UIColor+whiteColor],
+++++++++++++++++++++++++++++++++NSFontAttributeName+:+[UIFont+systemFontOfSize:15]
+++++++++++++++++++++++++++++++++}];|code-block|syntax|javascript|5083707|您也可以删除未使用的属性。|5083708|更新。由于appearanceWhenContainedIn在iOS+9中已被弃用，请参阅下面的反对答案：https://stackoverflow.com/a/38893352/2799722|offset|length|style|BOLD|CODE|5083709|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/a/38893352/2799722^0|0|0|0|0|2|5|P|1H|18|0|0^^$0|@$1|2|3|4|5|6|7|X|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|Y|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Z|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|10|8|@$K|11|L|12|M|N]|$K|13|L|14|M|O]]|9|@$K|15|L|16|1|17]]|A|$]]|$1|P|3|-4|5|6|7|18|8|@]|9|@]|A|$]]]|Q|$R|$5|S|T|U|A|$V|W]]]]

Works on iOS 7 and later:

<pre><code> [[UITextField appearanceWhenContainedIn:[UISearchBar class], nil] setDefaultTextAttributes:@{
 NSForegroundColorAttributeName : [UIColor whiteColor],
 NSFontAttributeName : [UIFont systemFontOfSize:15]
 }];
</code></pre>

You may remove unused attribute as well.

UPDATE. Due to <code>appearanceWhenContainedIn</code> is deprecated in iOS 9, see the Dishant's answer below: <a href="https://stackoverflow.com/a/38893352/2799722">https://stackoverflow.com/a/38893352/2799722</a>

blocks|key|2101145|text|您可以执行以下操作:只需从SearchBar获取searchField属性，然后更改其textColor属性。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2101146|UITextField+*searchField+=+[searchbar+valueForKey:@"_searchField"];
searchField.textColor+=+[UIColor+redColor];+//You+can+put+any+color+here.|code-block|syntax|javascript|2101147|就这样!现在，您可以以任何可能的方式操作textField。|2101148|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

You can do the following: Just get the searchField property from the SearchBar, and then change its textColor property.

<pre><code>UITextField *searchField = [searchbar valueForKey:@"_searchField"];
searchField.textColor = [UIColor redColor]; //You can put any color here.
</code></pre>

That's it! Now you manipulate the textField in any way possible.

blocks|key|5083689|text|iOS+8:请参阅https://stackoverflow.com/a/28183058/308315|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|5083690|iOS+6/+7：|5083691|[[UITextField+appearanceWhenContainedIn:[UISearchBar+class],+nil]+setTextColor:[UIColor+redColor]];|code-block|syntax|javascript|5083692|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/a/28183058/308315^0|9|17|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@$A|T|B|U|1|V]]|C|$]]|$1|D|3|E|5|6|7|W|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|X|8|@]|9|@]|C|$I|J]]|$1|K|3|-4|5|6|7|Y|8|@]|9|@]|C|$]]]|L|$M|$5|N|O|P|C|$Q|R]]]]

iOS 8: See <a href="https://stackoverflow.com/a/28183058/308315">https://stackoverflow.com/a/28183058/308315</a>

iOS 6 / 7:

<pre><code>[[UITextField appearanceWhenContainedIn:[UISearchBar class], nil] setTextColor:[UIColor redColor]];
</code></pre>

blocks|key|5083574|text|我怀疑您可以使用this+post中描述的技术|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|5083575|稍微修改一下这里的代码，你就可以继承UISearchBar的子类：|5083576|@interface+SearchBar+:+UISearchBar+{
}
@end|code-block|syntax|javascript|5083577|然后在你的实现中：|5083578|-+(void)layoutSubviews+{
++++UITextField+*searchField;
++++NSUInteger+numViews+=+[self.subviews+count];
++++for(int+i+=+0;+i+<+numViews;+i%2B%2B)+{
++++++++if([[self.subviews+objectAtIndex:i]+isKindOfClass:[UITextField+class]])+{
++++++++++++searchField+=+[self.subviews+objectAtIndex:i];
++++++++}
++++}
++++if(!(searchField+==+nil))+{
++++++++searchField.textColor+=+[UIColor+redColor];
++++}

++++[super+layoutSubviews];
}|5083579|我还没有测试原始帖子的代码或这段代码，但看起来它应该可以工作。-wkw|5083580|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/questions/556814/changing-the-size-of-the-uisearchbar-textfield/1436362#1436362^0|8|9|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Y|8|@]|9|@$A|Z|B|10|1|11]]|C|$]]|$1|D|3|E|5|6|7|12|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|13|8|@]|9|@]|C|$I|J]]|$1|K|3|L|5|6|7|14|8|@]|9|@]|C|$]]|$1|M|3|N|5|H|7|15|8|@]|9|@]|C|$I|J]]|$1|O|3|P|5|6|7|16|8|@]|9|@]|C|$]]|$1|Q|3|-4|5|6|7|17|8|@]|9|@]|C|$]]]|R|$S|$5|T|U|V|C|$W|X]]]]

I suspect you could use techniques described in <a href="https://stackoverflow.com/questions/556814/changing-the-size-of-the-uisearchbar-textfield/1436362#1436362">this post</a>

Modifying the code presented there slightly, you subclass UISearchBar:

<pre><code>@interface SearchBar : UISearchBar {
}
@end
</code></pre>

Then in your implementation:

<pre><code>- (void)layoutSubviews {
 UITextField *searchField;
 NSUInteger numViews = [self.subviews count];
 for(int i = 0; i &lt; numViews; i++) {
 if([[self.subviews objectAtIndex:i] isKindOfClass:[UITextField class]]) {
 searchField = [self.subviews objectAtIndex:i];
 }
 }
 if(!(searchField == nil)) {
 searchField.textColor = [UIColor redColor];
 }

 [super layoutSubviews];
}
</code></pre>

I haven't tested either the original post's code or this code, but looks like it ought to work.
 -wkw

blocks|key|2970482|text|下面是一个添加此功能的类别：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2970483|@implementation+UISearchBar+(UISearchBar_TextColor)

-+(UITextField+*)field+{
++++//+HACK:+This+may+not+work+in+future+iOS+versions
++++for+(UIView+*subview+in+self.subviews)+{
++++++++if+([subview+isKindOfClass:[UITextField+class]])+{
++++++++++++return+(UITextField+*)subview;
++++++++}
++++}
++++return+nil;
}

-+(UIColor+*)textColor+{
++++return+self.field.textColor;
}

-+(void)setTextColor:(UIColor+*)color+{
++++self.field.textColor+=+color;
}

@end|code-block|syntax|javascript|2970484|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|$]]

Here's a category that adds this functionality:

<pre><code>@implementation UISearchBar (UISearchBar_TextColor)

- (UITextField *)field {
 // HACK: This may not work in future iOS versions
 for (UIView *subview in self.subviews) {
 if ([subview isKindOfClass:[UITextField class]]) {
 return (UITextField *)subview;
 }
 }
 return nil;
}

- (UIColor *)textColor {
 return self.field.textColor;
}

- (void)setTextColor:(UIColor *)color {
 self.field.textColor = color;
}

@end
</code></pre>

blocks|key|193242|text|对于iOS11，我发现这是可行的：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|193243|在navigationItem中设置searchController后，搜索文本在黑色上显示为黑色。为了让它变白，我必须这样做：|offset|length|style|CODE|193244|searchController.searchBar.barStyle+=+.blackTranslucent|code-block|syntax|javascript|193245|这是唯一对我有效的方法。我的应用程序有一个透明的导航栏，可以让背景渐变显示出来，我猜SearchBar会采用这种外观，因为我对UISearchBar的外观设置基本上被忽略了，只有一个例外：|193246|UISearchBar.appearance().tintColor+=+UIColor.red|193247|这会使Cancel按钮和文本插入光标变为红色。占位符文本为浅灰色。|193248|请注意：UISearchBar.appearance().barStyle+=+.blackTranslucent不起作用-它必须在实例上设置。这对搜索栏也没有明显的影响(它仍然像导航栏一样是透明的)；它只是使搜索文本变为白色。|193249|entityMap^0|0|1|E|I|G|0|0|1R|B|0|0|0|4|1H|0^^$0|@$1|2|3|4|5|6|7|W|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|X|8|@$D|Y|E|Z|F|G]|$D|10|E|11|F|G]]|9|@]|A|$]]|$1|H|3|I|5|J|7|12|8|@]|9|@]|A|$K|L]]|$1|M|3|N|5|6|7|13|8|@$D|14|E|15|F|G]]|9|@]|A|$]]|$1|O|3|P|5|J|7|16|8|@]|9|@]|A|$K|L]]|$1|Q|3|R|5|6|7|17|8|@]|9|@]|A|$]]|$1|S|3|T|5|6|7|18|8|@$D|19|E|1A|F|G]]|9|@]|A|$]]|$1|U|3|-4|5|6|7|1B|8|@]|9|@]|A|$]]]|V|$]]

For iOS11, I found this worked:

After setting the <code>searchController</code> into the <code>navigationItem</code>, the search text was black on black. To make it white, I had to do:

<pre><code>searchController.searchBar.barStyle = .blackTranslucent
</code></pre>

It was the only thing that worked for me. My app has a transparent navigation bar to let the background gradient show through, and I am guessing the SearchBar takes on that appearance since my appearance settings for <code>UISearchBar</code> were largely ignored with one exception:

<pre><code>UISearchBar.appearance().tintColor = UIColor.red
</code></pre>

This made the Cancel button and the text insertion cursor red. The placeholder text was light gray.

Note that: <code>UISearchBar.appearance().barStyle = .blackTranslucent</code> did not work - it had to be set on the instance. This also had no visible effect on the search bar (it was still transparent like the navigation bar); it just made the search text white.

blocks|key|193199|text|appearanceWhenContainedIn在iOS+9中已被弃用，因此我们必须在iOS+9及更高版本中使用以下方法。|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|193200|[[UIBarButtonItem+appearanceWhenContainedInInstancesOfClasses:@[[UISearchBar+class]]]
+setTintColor:[UIColor+whiteColor]];|code-block|syntax|javascript|193201|entityMap^0|0|P|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|$]]

appearanceWhenContainedIn is deprecated in iOS 9 , so we have to use below method for iOS 9 and above.

<pre><code>[[UIBarButtonItem appearanceWhenContainedInInstancesOfClasses:@[[UISearchBar class]]]
 setTintColor:[UIColor whiteColor]];
</code></pre>

blocks|key|5083758|text|在iOS+11中，搜索栏预计将成为导航栏的一部分，正如您所预期的那样，导航栏将添加各种新的“功能”。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|5083759|我认为这是一个bug，但我发现我需要执行以下操作来更改文本(和取消按钮)的颜色：|5083760|self.searchController.searchBar.barStyle+=+UISearchBarStyleMinimal;
[[UIBarButtonItem+appearanceWhenContainedInInstancesOfClasses:@[[UISearchBar+class]]]
+++++setTintColor:[UIColor+whiteColor]];|code-block|syntax|javascript|5083761|我发现，当设置为“默认”时，条形样式将使文本变黑，而不管色调颜色等。当设置为最小或突出时，文本是可见的。|5083762|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|N|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|O|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|P|8|@]|9|@]|A|$]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

With iOS 11 the search bar is expected to become part of the navigation bar which, as you might expect, adds all kinds of new "features."

I think it's a bug but I found that I needed to do the following to change the text (and cancel button) colour:

<pre><code>self.searchController.searchBar.barStyle = UISearchBarStyleMinimal;
[[UIBarButtonItem appearanceWhenContainedInInstancesOfClasses:@[[UISearchBar class]]]
 setTintColor:[UIColor whiteColor]];
</code></pre>

I found that the bar-style, when left to "default," would make the text black no matter the tint colour, etc. When set to either Minimal or Prominent the text was visible.

blocks|key|195018|text|这里有一种更简洁的方法：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|195019|UITextField+*searchField+=+nil;

for+(UIView+*v+in+self.searchBar.subviews)
{
++++if+([v+isKindOfClass:[UITextField+class]])
++++{
++++++++searchField+=+(UITextField+*)v;
++++++++break;
++++}
}

if+(searchField)
{
++++searchField.textColor+=+[UIColor+whiteColor];
}|code-block|syntax|javascript|195020|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|$]]

Here's a cleaner approach:

<pre><code>UITextField *searchField = nil;

for (UIView *v in self.searchBar.subviews)
{
 if ([v isKindOfClass:[UITextField class]])
 {
 searchField = (UITextField *)v;
 break;
 }
}

if (searchField)
{
 searchField.textColor = [UIColor whiteColor];
}
</code></pre>

blocks|key|5083725|text|修改了David+Foster+(@david-foster)建议的类别，以便在iOS+8上工作。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|5083726|static+UITextField+*PBFindTextFieldInView(UIView+*view)+{
++++for(UIView+*subview+in+view.subviews)+{
++++++++if([subview+isKindOfClass:UITextField.class])+{
++++++++++++return+(UITextField+*)subview;
++++++++}+else+{
++++++++++++UITextField*+textField+=+PBFindTextFieldInView(subview);
++++++++++++if(textField)+{
++++++++++++++++return+textField;
++++++++++++}
++++++++}
++++}
++++return+nil;
}

@implementation+UISearchBar+(Appearance)

-+(UITextField+*)field+{
++++return+PBFindTextFieldInView(self);
}

-+(UIColor+*)textColor+{
++++return+self.field.textColor;
}

-+(void)setTextColor:(UIColor+*)color+{
++++self.field.textColor+=+color;
}

@end|code-block|syntax|javascript|5083727|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|$]]

Modified the category suggested by David Foster (@david-foster) to work on iOS 8.

<pre><code>static UITextField *PBFindTextFieldInView(UIView *view) {
 for(UIView *subview in view.subviews) {
 if([subview isKindOfClass:UITextField.class]) {
 return (UITextField *)subview;
 } else {
 UITextField* textField = PBFindTextFieldInView(subview);
 if(textField) {
 return textField;
 }
 }
 }
 return nil;
}

@implementation UISearchBar (Appearance)

- (UITextField *)field {
 return PBFindTextFieldInView(self);
}

- (UIColor *)textColor {
 return self.field.textColor;
}

- (void)setTextColor:(UIColor *)color {
 self.field.textColor = color;
}

@end
</code></pre>

blocks|key|2970680|text|在iOS+11的navigationItem中设置searchController后，我发现尝试通过UIAppearance为UITextField中的任何UISearchBar设置textColor没有任何影响，但是一个自定义外观属性(它只是调用常规textColor)工作得很好。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2970681|//+Implement+a+custom+appearance+property+via+a+UITextField+category
@interface+UITextField+(SearchBarTextColor)

@property+(nonatomic,+strong)+UIColor+*+textColorWorkaround+UI_APPEARANCE_SELECTOR;

@end

@implementation+UITextField+(SearchBarTextColor)

-+(UIColor+*)textColorWorkaround+{
++++return+self.textColor;
}

-+(void)setTextColorWorkaround:(UIColor+*)textColor+{
++++self.textColor+=+textColor;
}

@end|code-block|syntax|javascript|2970682|然后按如下方式使用：|2970683|UITextField+*textFieldProxy+=+[UITextField+appearanceWhenContainedInInstancesOfClasses:@[UISearchBar.class]];
textFieldProxy.textColorWorkaround+=+UIColor.lightGrayColor;|2970684|附言:同样的技巧帮助我给看似难以访问的UIDatePicker和UIPickerView标签上色|2970685|entityMap^0|8|E|P|G|1E|C|1R|B|26|B|2J|9|3I|9|0|0|0|0|J|C|W|C|0^^$0|@$1|2|3|4|5|6|7|S|8|@$9|T|A|U|B|C]|$9|V|A|W|B|C]|$9|X|A|Y|B|C]|$9|Z|A|10|B|C]|$9|11|A|12|B|C]|$9|13|A|14|B|C]|$9|15|A|16|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|17|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|18|8|@]|D|@]|E|$]]|$1|M|3|N|5|H|7|19|8|@]|D|@]|E|$I|J]]|$1|O|3|P|5|6|7|1A|8|@$9|1B|A|1C|B|C]|$9|1D|A|1E|B|C]]|D|@]|E|$]]|$1|Q|3|-4|5|6|7|1F|8|@]|D|@]|E|$]]]|R|$]]

After setting the <code>searchController</code> in the <code>navigationItem</code> for iOS 11, I found that attempting to set the <code>textColor</code> via <code>UIAppearance</code> for any <code>UITextField</code> within a <code>UISearchBar</code> had no affect, but a custom appearance property that simply called the regular <code>textColor</code> worked just fine.

<pre><code>// Implement a custom appearance property via a UITextField category
@interface UITextField (SearchBarTextColor)

@property (nonatomic, strong) UIColor * textColorWorkaround UI_APPEARANCE_SELECTOR;

@end

@implementation UITextField (SearchBarTextColor)

- (UIColor *)textColorWorkaround {
 return self.textColor;
}

- (void)setTextColorWorkaround:(UIColor *)textColor {
 self.textColor = textColor;
}

@end
</code></pre>

And then use as follows: 

<pre><code>UITextField *textFieldProxy = [UITextField appearanceWhenContainedInInstancesOfClasses:@[UISearchBar.class]];
textFieldProxy.textColorWorkaround = UIColor.lightGrayColor;
</code></pre>

P.S. The same trick helped me color the seemingly inaccessible labels of <code>UIDatePicker</code> and <code>UIPickerView</code>

Browsed the documentation and I couldn't find anything to change the color of UISearchBar. Does anybody know how to change it? There isn't any textColor property :/

Thx

UISearchBar text color

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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浏览了文档，我找不到任何可以更改UISearchBar颜色的东西。有谁知道怎么改变它吗？没有任何textColor属性:/Thx

问UISearchBar文本颜色
EN

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