我正在使用 iOS SDK 最新版本和 XCode 4.2 开发一个 iOS 4 应用程序.
I'm developing an iOS 4 application using iOS SDK latest version and XCode 4.2.
我有一个带有 UIWebView
的 XIB,其中 Alpha = 1.0,Background 设置为 Clear Color 并且 <未设置strong>不透明.在这个 XIB 上,我使用以下代码将图像设置为背景:
I have a XIB with a UIWebView
with Alpha = 1.0, Background set to Clear Color and Opaque is not set. On this XIB I setup an image as background with this code:
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
UIColor *background = [[UIColor alloc] initWithPatternImage:[UIImage imageNamed:@"AboutBackground.png"]];
self.view.backgroundColor = background;
[background release];
}
return self;
}
UIWebView
显示的是静态 html:
The UIWebView
is showing an static html:
<html><head></head><body style="margin:0 auto;text-align:center;background-color: transparent; color:white">...</body></html>
在 iOS 5 模拟器上,它的背景是透明的,但在 iOS 4 设备上是灰色的.
On iOS 5 simulator, its background is transparent, but on an iOS 4 device is grey.
有什么线索吗?
另外设置:
[webView setBackgroundColor:[UIColor clearColor]];
[webView setOpaque:NO];
这篇关于UIWebView背景设置为Clear Color,但不透明的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持跟版网!