[英]Avoid loading main viewcontroller on receive of push notification ios
我在接收推送通知时使用以下代码来显示我的viewcontroller
。 它工作正常,但先加载主viewcontroller
,然后再加载viewcontroller
。 因此,每次用户收到通知时,他们都会看到两个viewcontrollers
controller
首先加载主viewcontrollers
,然后再加载通知controller
。
我如何避免这种情况? 从UI角度来看,加载两个视图控制器看起来不太好。
UIViewController *main=[[UIStoryboard storyboardWithName:@"Main" bundle:nil] instantiateViewControllerWithIdentifier:@"main"];
UINavigationController *navigationController=[[UINavigationController alloc] initWithRootViewController:main];
self.window.rootViewController =nil;
UIViewController *destCon = [[UIStoryboard storyboardWithName:@"Main" bundle:nil] instantiateViewControllerWithIdentifier:@"RelNoti"];
UINavigationController *desNevCont = [[UINavigationController alloc] initWithRootViewController:destCon];
self.window.rootViewController = navigationController;
[self.window makeKeyAndVisible];
[self.window.rootViewController presentViewController:desNevCont animated:YES completion:nil];
在这行中将动画设置为“否”,
[self.window.rootViewController presentViewController:desNevCont animated:NO completion:nil];
您可以在检测到如下所示的推送通知时简单地更改应用程序的rootViewController,并避免视图之间的转换:
UIViewController *destCon = [[UIStoryboard storyboardWithName:@"Main" bundle:nil] instantiateViewControllerWithIdentifier:@"RelNoti"];
UINavigationController *desNevCont = [[UINavigationController alloc] initWithRootViewController:destCon];
self.window.rootViewController = desNevCont;
[self.window makeKeyAndVisible];
从下面的代码中,您似乎正在将mainViewController
分配为rootViewController
,然后在其上方显示notificationViewController
,这就是创建两个视图的过渡。 因此,只需将您的代码限制为上述代码。
self.window.rootViewController = navigationController; // You are doing it here
[self.window makeKeyAndVisible];
[self.window.rootViewController presentViewController:desNevCont animated:YES completion:nil]; // presenting here
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