ios - How does UISearchController work? -

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how uisearchcontroller does?

  • how transform uisearchbar navigation-bar-like view?
  • how put uisearchbar view hierarchy , restore later?
  • how using uiviewcontroller presentation api?
  • how cover presenting view controller’s view on iphone presented view controllers fullscreen?

can make own uisearchcontroller without using private apis?


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