我是 iphone 开发的新手。在我的应用程序中，我想在具有 c 纵向方向的设备中显示网络视图。它还应该支持横向方向。我使用了以下方法，但没有预期的输出。
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
return (interfaceOrientation == UIInterfaceOrientationPortrait ||
interfaceOrientation == UIInterfaceOrientationLandscapeLeft || interfaceOrientation ==
UIInterfaceOrientationLandscapeRight);
}
请指导我。请帮助我。谢谢
我认为您已经为 webview 设置了固定框架。这在实现方向更改时无济于事
尝试这个：
使用此代码显示 web 视图。使用您的 URL 更改堆栈溢出 URL；
contentView = [[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]];
contentView.autoresizingMask = (UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight);
self.view = contentView;
self.view.autoresizesSubviews = YES;
CGRect webFrame = [[UIScreen mainScreen] applicationFrame];
webFrame.origin.y -= 20.0;
webView = [[UIWebView alloc] initWithFrame:webFrame];
[contentView addSubview:webView];
webView.scalesPageToFit = YES;
webView.autoresizesSubviews = YES;
webView.autoresizingMask=(UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth);
[webView setBackgroundColor:[UIColor clearColor]];
NSString *urlAddress = @"https://www.stackoverflow.com";
NSURL *url = [NSURL URLWithString:urlAddress];
NSURLRequest *requestObj = [NSURLRequest requestWithURL:url];
[webView loadRequest:requestObj];
webView.delegate =self;
[webView release];
支持方向
- (BOOL) shouldAutorotateToInterfaceOrientation: (UIInterfaceOrientation) orientation
{
return YES;
}
用于随方向更改的 web 视图
- (void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation
{
if(fromInterfaceOrientation == UIInterfaceOrientationPortrait){
[webView stringByEvaluatingJavaScriptFromString:@"rotate(0)"];
}
else{
[webView stringByEvaluatingJavaScriptFromString:@"rotate(1)"];
}
}
希望以上内容能满足您的要求。一切顺利。
如果您想支持任何方向，则只需 return YES。
- (BOOL) shouldAutorotateToInterfaceOrientation: (UIInterfaceOrientation) orientation
{
return YES;
}