The document discusses various iOS user interface elements including alerts, search bars, action sheets, and activities. It provides code examples for implementing each element. For alerts, it demonstrates creating and displaying a basic UIAlertView. For search bars, it shows how to connect a search bar to a table view controller using the UISearchBarDelegate protocol and performing searches on a Core Data database. For action sheets, the code example implements an action sheet to share content via email, using UIActionSheetDelegate and MFMailComposeViewControllerDelegate. And for activities, it demonstrates using a UIActivityViewController to share content via various services after excluding certain activity types.
8. “The UISearchBar object does not actually
perform any searches.You use the
UISearchBarDelegate protocol to implement
the actions when text is entered and buttons
are clicked”
Search Bar
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10. Search Bar
UISearchBar
Placeholder ‘Buscar por título o autor’
Marcar ‘Shows Cancel Button’
Seleccionar ‘Correction: No’
Conectar ‘Search Bar’ delegate con ‘MasterView Controller’
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