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[英]NavigationBar clipping background image in iOS7 ;ClipsToBound:NO not working
[英]How can I add navigationbar background image to MFMailComposeViewController on ios7
我正在使用MFMailComposeViewController。我無法在ios7上將navigationBar背景圖像添加到MFMailComposeViewController。我的代碼之前只能在ios7上運行,但是在ios7上不起作用。如何將導航欄背景圖像添加到ios7的MFMailComposeViewController?
MFMailComposeViewController *mailCompose = [[MFMailComposeViewController alloc] init];
mailCompose.mailComposeDelegate = self;
[mailCompose setSubject:@"SubjectName"];
[mailCompose setMessageBody:shareBodyString isHTML:NO];
if ([self respondsToSelector:@selector(presentViewController:animated:completion:)])
{
[self presentViewController:mailCompose animated:YES completion:nil];
}
else {
[self presentModalViewController:mailCompose animated:YES];
}
[mailCompose.topViewController.navigationController.navigationBar setBackgroundImage:[UIImage imageNamed:@"navigationbar-background.png"] forBarMetrics:UIBarMetricsDefault]; // working before ios7
使用外觀代理。 以下代碼將針對整個應用程序:
UINavigationBar *navBar = [UINavigationBar appearance];
[navBar setBackgroundImage:[UIImage imageNamed:@"navigationbar-background.png"] forBarMetrics:UIBarMetricsDefault];
如果您只希望在MFMailComposeViewController中定位,請使用以下命令更改第一行:
navBar = [UINavigationBar appearanceWhenContainedIn:[MFMailComposeViewController class], nil];
如果您已經自定義了導航欄,並且還希望它應用MFMailComposeViewController,則它僅允許使用UIAppearance代理來實現。 對於iOS 7.1.1,我替換了導航欄背景,但是無法更改狀態欄背景。 此外,它在以后的呼叫中將條形按鈕項目變為灰色。 因此,在創建MFMailComposeViewController之前,我停止自定義並嘗試返回默認的導航欄樣式
[[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleDefault];
[[UINavigationBar appearance] setBarStyle:UIBarStyleDefault];
[[UINavigationBar appearance] setTintColor:nil];
[[UINavigationBar appearance] setTitleTextAttributes:[NSDictionary dictionaryWithObjectsAndKeys:[UIColor blackColor],NSForegroundColorAttributeName,[UIFont fontWithName:@"Helvetica-Bold" size:18.0], NSFontAttributeName, nil]];
MFMailComposeViewController *mailComposer =[[MFMailComposeViewController alloc] init];
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