I edgesforextendedlayout ios - Edgesforextendedlayout
However, after setting that property, my custom subview is still appearing 49. In iOS 10 and earlier, use this property to report which edges of your view controller extend underneath navigation bars or other system- provided views. ParentViewController how the edges of this UIViewController should be extended for underlap. Top which works for ios 8 - 11. In iOS 7, it typically should. It' s also worth to mention that I am using custom animation for push/ pop view controller transition. Memory is a critical resource in iOS, and view controllers provide built- in support for reducing their memory footprint at critical times. EdgesForExtendedLayout specifies to the UIViewController. View did not visually underlap parent elements such as the status bar, navigation bar, or toolbar. 0 interface builder.
I edgesforextendedlayout ios. For my case I set a Vertical Space Constraint to Superview. I was facing this issue in ios 11 but layout was correct for ios 8 - 10. Hello, I have similar problem.
The UIView Controller class provides some automatic handling of low- memory conditions through its did Receive Memory Warning( ) method, which releases unneeded memory. Preface: I' m doing everything programmatically.
0, all views automatically go behind navigation bars, toolbars and tab bars to provide what Apple calls " context" – having some idea of what' s underneath the UI ( albeit blurred out with a frosted glass effect) gives users an idea of what else is just off screen. I am setting this variable for window root view controller in viewDidLoad( ) method after base. IOS grabs the first subview in your ViewController' s view, the one at index 0, and if it' s a subclass of UIScrollView then applies the explained properties to it. Previously, when pushing a VC onto a navVC stack, the pushed VC would have the upper edge occluded by the navbar. Prior to iOS 7, the UIViewController. I am checking version of iOS and if version is 7, I am setting variable " EdgesForExtendedLayout = UIRectEdge. After reading the iOS 7 transition guide and poking around on SO, I discovered that I need to set the new iOS 7 property edgesForExtendedLayout to UIRectEdgeNone to prevent one of my custom subviews from appearing 49 pixels higher on iOS 7 than it appears on iOS 6. Of course, this means that UITableViewController works by default ( since the UITableView is the first view).
The UIViewController. Top Margin instead of Superview. The default value of this property is all, and it is recommended that you do not change that value. I had no problem on iOS 7 or iOS8, is this a bug of the newly released iOS 9 or am I missing something?