如何在iOS App上删除黑条WebView？
[英]How to remove black bar WebView on iOS App?
问题描述
I put WebView on DetailViewController (From template MasterViewController) and set constraints like below picture. 
我将WebView放在DetailViewController上（来自模板MasterViewController），并设置如下图所示的约束。 But when navigate to every url, it has a black bar on top and it disappear when scroll down. 但是，当导航到每个URL时，它的顶部都有一个黑条，而向下滚动时它会消失。 How can I remove it? 如何删除？
WebView 网页浏览
Constraints set 约束集
4 个解决方案
解决方案1
3 2016-06-06 16:15:59
Set UIWebView background colour to clear. 设置UIWebView背景颜色为清除。 I guess it will help you. 我想它将对您有帮助。
解决方案2
3 2018-04-17 10:08:21
Uncheck Adjust Scroll View Insets from Attributes inspector by selecting view controller. 通过选择视图控制器，取消选中“属性”检查器中的“ 调整滚动视图插图” 。
解决方案3
0 已采纳 2016-06-07 15:02:25
OK I fix issue by drag top edge of WebView to top of view controller. 确定，我通过将WebView的顶部边缘拖动到视图控制器的顶部来解决问题。 Now it work with no problem! 现在可以正常使用了！
解决方案4
0 2017-08-14 23:16:06
If you can't drag WebView to the top of your ViewController -- when you have an extra UI on top of the WebView -- then put a Container View instead and move web view inside it. 如果您不能将WebView拖到ViewController的顶部（当WebView顶部有一个额外的UI时）， WebView放一个Container View并在其中移动Web视图。 It will loose the connection to Navigation Controller and will stop drawing that grey placeholder. 它将断开与Navigation Controller的连接，并将停止绘制该灰色占位符。
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