从iOS上的html输入中删除选择灰色阴影

我目前正在为我的iOS应用程序使用HTML富文本编辑器，所以设置很简单，我有一个UIWebView加载我的编辑器代码，html输入是一个' contentEditable'DIV。从iOS上的html输入中删除选择灰色阴影

问题是，每次我选择这个div来输入一些文本时，输入框架上会出现一个浅灰色框，告诉用户该文本框已被选中。

注意：你可以看到在这个快速video

我的问题的效果是：如何删除此浅灰色帧？

我的HTML文件是波纹管：

<html> 

<head> 

    <style type="text/css"> 

     :focus{ 

      outline:0px solid transparent; 

     } 

     DIV::-moz-focus-inner { 
      background-color:#ff0000; 
      border: 0; 
      padding: 0; 
     } 

     ul{ 
      margin-left:-10px; 
     } 
     ol{ 
      margin-left:-10px; 
     } 

     blockquote { 

      border-left:#ff0000 5px double; 
      margin-left:0px; 

     } 

    </style> 

</head> 

<body onload="addImgAttributes();checkBlockquote();" topmargin="0" bottommargin="0" leftmargin="0" rightmargin="0"> 

    <div 
     id="content" 
     class="content" 
     contenteditable="true" 
     style="font-family: Helvetica; background-color:#fff; color:#000; height:258px;" 
     autocapitalize="off" 
     autocorrect="off" 
     autocomplete="off" 
     spellCheck="false" 
    > 
    </div> 

</body> 

</html>

// ------------------------------ -------------------------------------------------- ----------------------------------编辑1 -----

在评论@ StephenJ我意识到这个灰色框架可能是UIWebView的一个子视图，而不是一个css属性。我在框架出现的确切时刻从UIWebView中记录了视图层次结构，这是日志：

2013-04-17 21:37:00.919 StrangeThings[1182:c07] <UIWebView: 0xa5ec3f0; frame = (7 7; 306 258); layer = <CALayer: 0xa5edf30>> 
2013-04-17 21:37:00.919 StrangeThings[1182:c07] <_UIWebViewScrollView: 0xa5f7850; frame = (0 0; 306 258); clipsToBounds = YES; autoresize = H; gestureRecognizers = <NSArray: 0xa5f7e20>; layer = <CALayer: 0xa5f7aa0>; contentOffset: {0, 0}> 
2013-04-17 21:37:00.920 StrangeThings[1182:c07] <UIImageView: 0xa5f90c0; frame = (0 0; 54 54); transform = [-1, 0, -0, -1, 0, 0]; alpha = 0; opaque = NO; userInteractionEnabled = NO; layer = <CALayer: 0xa5f9120>> 
2013-04-17 21:37:00.920 StrangeThings[1182:c07] <UIImageView: 0xa5f9030; frame = (0 0; 54 54); transform = [0, 1, -1, 0, 0, 0]; alpha = 0; opaque = NO; userInteractionEnabled = NO; layer = <CALayer: 0xa5f9090>> 
2013-04-17 21:37:00.920 StrangeThings[1182:c07] <UIImageView: 0xa5f8fa0; frame = (0 0; 54 54); transform = [0, -1, 1, 0, 0, 0]; alpha = 0; opaque = NO; userInteractionEnabled = NO; layer = <CALayer: 0xa5f9000>> 
2013-04-17 21:37:00.921 StrangeThings[1182:c07] <UIImageView: 0xa5f8b90; frame = (0 0; 54 54); alpha = 0; opaque = NO; userInteractionEnabled = NO; layer = <CALayer: 0xa5f8f70>> 
2013-04-17 21:37:00.921 StrangeThings[1182:c07] <UIImageView: 0xa5f8b00; frame = (-14.5 14.5; 30 1); transform = [0, 1, -1, 0, 0, 0]; alpha = 0; opaque = NO; userInteractionEnabled = NO; layer = <CALayer: 0xa5f8b60>> 
2013-04-17 21:37:00.922 StrangeThings[1182:c07] <UIImageView: 0xa5f8a70; frame = (-14.5 14.5; 30 1); transform = [0, -1, 1, 0, 0, 0]; alpha = 0; opaque = NO; userInteractionEnabled = NO; layer = <CALayer: 0xa5f8ad0>> 
2013-04-17 21:37:00.922 StrangeThings[1182:c07] <UIImageView: 0xa5f89e0; frame = (0 0; 1 30); transform = [-1, 0, -0, -1, 0, 0]; alpha = 0; opaque = NO; userInteractionEnabled = NO; layer = <CALayer: 0xa5f8a40>> 
2013-04-17 21:37:00.922 StrangeThings[1182:c07] <UIImageView: 0xa5f8950; frame = (0 0; 1 30); alpha = 0; opaque = NO; userInteractionEnabled = NO; layer = <CALayer: 0xa5f89b0>> 
2013-04-17 21:37:00.923 StrangeThings[1182:c07] <UIImageView: 0xa5f88c0; frame = (0 228; 306 30); alpha = 0; opaque = NO; userInteractionEnabled = NO; layer = <CALayer: 0xa5f8920>> 
2013-04-17 21:37:00.923 StrangeThings[1182:c07] <UIImageView: 0xa5f8750; frame = (0 0; 306 30); transform = [-1, 0, -0, -1, 0, 0]; alpha = 0; opaque = NO; userInteractionEnabled = NO; layer = <CALayer: 0xa5f8630>> 
2013-04-17 21:37:00.924 StrangeThings[1182:c07] <UIWebBrowserView: 0xc270400; frame = (0 0; 306 258); text = ''; gestureRecognizers = <NSArray: 0xa5f5ac0>; layer = <UIWebLayer: 0xa5f0820>> 
2013-04-17 21:37:00.925 StrangeThings[1182:c07] <UIHighlightView: 0xa5ef210; frame = (-4 -4; 314 266); opaque = NO; layer = <CALayer: 0xa5c0730>> 
2013-04-17 21:37:00.925 StrangeThings[1182:c07] <UIImageView: 0xa0bebc0; frame = (0 251; 306 7); alpha = 0; opaque = NO; autoresize = TM; userInteractionEnabled = NO; layer = <CALayer: 0xa0bec60>> 
2013-04-17 21:37:00.925 StrangeThings[1182:c07] <UIImageView: 0xa0b37d0; frame = (299 0; 7 258); alpha = 0; opaque = NO; autoresize = LM; userInteractionEnabled = NO; layer = <CALayer: 0xa0becd0>>

经过分析所有这些子视图，我发现一个名为UIHighlightView，作为名称确认，此视图可能会突出显示webView.So我的第二个问题是：如何删除此视图？

来源

2013-04-17 Mateus

你试过'-webkit-appearance：none'吗？ – pbibergal

尝试在输入'：focus'伪元素中添加'outline：none;'。 – JMWhittaker

@Bluey我已经试过这个，但它没有奏效！ – Mateus

就像设置下面的CSS规则一样简单。

div { 
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0); 
}

这使得应用的阴影透明，所以它看起来像它消失了。

编辑：这是demo link。

来源

2013-04-19 13:40:50 Sacha

谢谢@Sacha为你的答案，它完美的工作，简单而干净！ – Mateus

我必须等待11小时才能给你赏金！ – Mateus

从iOS上的html输入中删除选择灰色阴影

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