-(IBAction)openMail:(ID)sender{ MFMailComposeVIEwController *mc = [[MFMailComposeVIEwController alloc] init]; mc.mailComposeDelegate = self; [mc setSubject:emailTitle]; [mc setMessageBody:messageBody isHTML:YES]; [mc setToRecipIEnts:toRecipents]; [mc.navigationItem.leftbarbuttonItem setTintcolor:[UIcolor colorWithRed:144/255.0f green:5/255.0f blue:5/255.0f Alpha:1.0f]]; [self presentVIEwController:mc animated:YES completion:NulL];}- (voID) mailComposeController:(MFMailComposeVIEwController *)controller dIDFinishWithResult:(MFMailComposeResult)result error:(NSError *)error{switch (result){ case MFMailComposeResultCancelled: NSLog(@"Mail cancelled"); break; case MFMailComposeResultSaved: NSLog(@"Mail saved"); break; case MFMailComposeResultSent: NSLog(@"Mail sent"); break; case MFMailComposeResultFailed: NSLog(@"Mail sent failure: %@",[error localizedDescription]); break; default: break;}// reset background image for navigation bars[[UINavigationbar appearance] setBackgroundImage:[UIImage imagenamed:@"navigationbar.png"] forbarMetrics:UIbarMetricsDefault];NSLog(@"%@",[GGStackPanel printFrameParams:self.vIEw]);// Close the Mail InterfaceGGAppDelegate * appDel = [[UIApplication sharedApplication] delegate];HHTabListController * contr = (HHTabListController*)appDel.vIEwController;[contr setWantsFullScreenLayout:NO];NSLog(@"%i",[contr wantsFullScreenLayout]);[self dismissVIEwControllerAnimated:YES completion:NulL];}
Stackoverflow上有几个类似的问题,但没有一个解决方案表明它对我有用.
我已经尝试过了:
status bar and Navigation bar problem after dismissed modal view
http://developer.appcelerator.com/question/120577/nav-bar-appears-underneath-status-bar
我尝试从AppDelegate提出并解雇,没有任何帮助.
更改视图框架或navigationbar框架是可行的,但我必须对我的应用程序中的所有其他视图执行相同的 *** 作(其中有许多视图).这将使我的整个应用程序依赖于这个小错误.
请不要低估这个问题,因为有类似的问题.我非常绝望,这个问题让我烦恼了3天.
截图
View before presenting http://imageshack.us/a/img801/8946/beforet.png
解雇MailComposer后:
View after dismissing http://imageshack.us/a/img507/8940/afterb.png
解决方法 wantFullScreenLayout是复杂且无关的东西.所有的vIEwcontrollers都需要嵌入到“layout”视图控制器(Apples UINavigationController,Apple的UITabbarController)中,或者完全实现“我应该有多大,我在哪里定位?”的复杂逻辑.他们自己.Apple决定使用iOS 1.0,你看到的主要iPhone视图不会从0,0开始.包含它的窗口从(0,0)开始,但状态栏显示为OVERLAPPED.
我认为这是他们后悔的决定,当时有道理,但从长远来看,它会造成很多错误.
净效果是:
> UINavigationController和UITabbarController有特殊的(未记录的)内部代码,使得SEEM AS IF(0,0)是左上角 – 它们强制调整大小/重新定位你添加到它们的任何UIVIEwController
> …如果您不使用其中一个作为主控制器,则必须自己重新实现该逻辑.如果您正在使用第三方UIVIEwController实例,则逻辑通常会被错误地实现或丢失.
> …你可以在运行时通过重新定位UIVIEwController.vIEw(它的根视图)来自己修复它,例如,这样:
(码)
UIVIEwController* rootController = // in this case HHTabController?UIVIEw* rootVIEw = rootController.vIEw;CGRect frame = rootVIEw.frame;CGPoint oldOrigin = frame.origin;CGPoint newOrigin = // calculate this,according to Apple docs.// in your current case,it should be: CGPointMake( 0,20 );frame.origin = newOrigin;frame.size = CGSizeMake( frame.size.wIDth - (newOrigin.x - oldOrigin.x),frame.size.height - (newOrigin.y - oldOrigin.y) );rootVIEw.frame = frame;
……很明显,每次都要这样做很烦人.这就是为什么Apple强烈鼓励每个人使用UINavigationController和/或UITabbarController 总结
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