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FindTextToolbar class allows the user to enter and search text in a document. Search results are automatically highlighted in the document and floating buttons allow searching forward or backward through the document. The core find text toolbar functionality is provided by the
PTPDFViewCtrl's text search methods.
The find text toolbar is part of the Tools library, so make sure you have added the Tools library to your project.
To create and set up a Find Text toolbar, supply a
PTPDFViewCtrl instance to the
FindTextToolbar designated initializer and add the toolbar to your view hierarchy:
When the find text toolbar is shown, the
searchBarBecomeFirstResponder method should be called to focus the search bar and show the keyboard.
In order for search results to be highlighted on the page, the
pdfViewCtrl:textSearchResult: method of the
PTPDFViewCtrlDelegate protocol must be implemented by the adopting class, usually the containing view controller:
FindTextToolbarDelegate protocol allows the adopting class (usually the containing view controller, as in this guide) to be notified of find text toolbar events. Since this protocol also conforms to the
UIToolbarDelegate protocol, the find text toolbar's delegate can implement the
positionForBar: method to indicate the toolbar position: