《IOS开发系列教程》Show vs Show Detail

《IOS开发系列教程》Show vs Show Detail


show, show detail, present modally, popover presentation, custom


1. Show – Pushes the destination view controller onto the navigation stack, moving the source view controller out of the way (destination slides overtop from right to left), providing a back button to navigate back to the source – on all devices.

Example: Navigating inboxes/folders in Mail.

2. Show Detail – Replaces the detail/secondary view controller when in a UISplitViewController with no ability to navigate back to the previous view controller.

Example: In Mail on iPad in landscape, tapping an email in the sidebar replaces the view controller on the right to show the new email.

3. Present Modally – Presents a view controller in various different ways as defined by the Presentation option, covering up the previous view controller – most commonly used to present a view controller that animates up from the bottom and covers the entire screen on iPhone, but on iPad it's common to present it in a centered box format overtop that darkens the underlying view controller.

Example: Tapping the + button in Calendar on iPhone.

4. Popover Presentation – When run on iPad, the destination appears in a small popover, and tapping anywhere outside of this popover will dismiss it. On iPhone, popovers are supported as well but by default if it performs a Popover Presentation segue, it will present the destination view controller modally over the full screen.

Example: Tapping the + button in Calendar on iPad (or iPhone, realizing it is converted to a full screen presentation as opposed to an actual popover).

5. Custom – You may implement your own custom segue and have complete control over its appearance and transition.


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