first-responder

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Getting a WebView to act exactly like Safari

(edited to give a better description of the answer I gave) I have created a very simple browser in InterfaceBuilder consisting of a nav bar and a webview.[详细]

2023-01-29 11:25 分类：问答
How to access searchBar's clear text button?

When I hit the \"clear\" button (the one that appears when editing) on the tableView search, I was trying to get the keyboard to disappear.How can I detect when the \"clear\" button is clicked, so I c[详细]

2023-01-28 03:12 分类：问答
What exactly a responder means?

Normally we use the resignFirstResponder to hide the keyboard in the iphone apps. For example, when we use a UISearchBar, after the user click the search button, we hide the keyboard by implement the[详细]

2023-01-20 04:01 分类：问答
Tracking the firstResponder object

I need to keep track of which text field is the firstResponder for my custom keyboard to work.In the code below, I have grossly oversimplified my program, but here is the gist of the problem:[详细]

2023-01-18 17:24 分类：问答
iPad keyboard will not dismiss if modal ViewController presentation style is UIModalPresentationFormSheet

Note: See accepted answer (not top voted one) for solution as of iOS 4.3. This question is about a behavior discovered in the iPad keyboard, where it refuses to be dismissed if shown in a modal dia[详细]

2023-01-15 17:52 分类：问答
resignFirstResponder causing EXC_BAD_ACCESS

I\'ve got a UITextField on UITableViewCell, and a button on another cell. I click on UITextField (keyboard appears).[详细]

2023-01-14 13:13 分类：问答
cocoa mousedown on a window and mouse up in another

I am developping a Cocoa application and I have a special need. In my main window, when I mouse down on a certain area, a new window (like a complex tooltip) appears. I want to be able to do:[详细]

2023-01-13 08:10 分类：问答
Dragging Out of a Table and Responder Chain

I\'m trying to build something where I can drag a person object from a UITableView into another UITableView. What I\'ve got working so far is that when I select the item in the table to drag (UICustom[详细]

2023-01-12 00:34 分类：问答
UITextField not responding to onscreen keyboard presses?

I\'ve got a really weird problem whereby I when I click on a UITextField the ons开发者_JAVA百科creen keyboard pops up, and I can delete characters in the text field - but I cannot type into it![详细]

2023-01-11 23:43 分类：问答
UISearchBar and resignFirstResponder

I have a very basic UITableView with an attached UISearchBar, and here\'s the flow of what happens UITableView is empty, user taps UISearchBar, and brings up keyboard.[详细]

2023-01-10 18:00 分类：问答