2014/10/15 下午 10:15:16

iphone Programming Glossary: uicontroleventvaluechanged

Pull to refresh UITableView without UITableViewController

http://stackoverflow.com/questions/10291537/pull-to-refresh-uitableview-without-uitableviewcontroller

refreshControl UIRefreshControl alloc init refreshControl addTarget self action @selector refresh forControlEvents UIControlEventValueChanged self.tableView addSubview refreshControl void refresh UIRefreshControl refreshControl refreshControl endRefreshing Note..

Increment UISlider by 1 in range 1 to 100

http://stackoverflow.com/questions/12834140/increment-uislider-by-1-in-range-1-to-100

100 in increments of 1 slider UISlider alloc init slider addTarget self action @selector sliderChange forControlEvents UIControlEventValueChanged slider setBackgroundColor UIColor clearColor slider.minimumValue 1 slider.maximumValue 100 slider.continuous YES slider.value..

UISegmentedControl register taps on selected segment

http://stackoverflow.com/questions/1620972/uisegmentedcontrol-register-taps-on-selected-segment

in place but I don't know how to register the taps on those segments. It seems the only control event you can use is UIControlEventValueChanged but that isn't working since the selected segment isn't actually changing . Is there a solution for this And if so what.. If using IB make sure you set the class of your UISegmentedControl to your subclass. Now you can listen for the same UIControlEventValueChanged as you would normally except if the user deselected the segment you will see a selectedSegmentIndex equal to UISegmentedControlNoSegment..

Need approach to show tables using segmented control?

http://stackoverflow.com/questions/2078200/need-approach-to-show-tables-using-segmented-control

0 segmentedControl addTarget self action @selector onSegmentedControlChanged forControlEvents UIControlEventValueChanged self.navigationItem.titleView segmentedControl Next when the segmented control is changed you need to load the data for..

UISlider with increments of 5

http://stackoverflow.com/questions/2519460/uislider-with-increments-of-5

Add a delegate like this slider.continuous YES slider addTarget self action @selector valueChanged forControlEvents UIControlEventValueChanged And in the valueChanged function set the value to the closest value that is divisible by 5. slider setValue int slider.value..

UISlider to control AVAudioPlayer

http://stackoverflow.com/questions/2654849/uislider-to-control-avaudioplayer

your audio player's duration then add some object of yours probably the view controller as a target for the slider's UIControlEventValueChanged event when you receive the action message you'd then set the AVAudioPlayer 's currentTime property to the slider's value...

How can I set a button background color on iPhone?

http://stackoverflow.com/questions/372731/how-can-i-set-a-button-background-color-on-iphone

UISegmentedControlStyleBar btn.tintColor color btn addTarget self action @selector action forControlEvents UIControlEventValueChanged Note please that the momentary and segmentedControlStyle properties do matter and that an image can be used instead of a..

UISwitch in a UITableView cell

http://stackoverflow.com/questions/3770019/uiswitch-in-a-uitableview-cell

switchView switchView setOn NO animated NO switchView addTarget self action @selector switchChanged forControlEvents UIControlEventValueChanged switchView release return aCell break return nil void switchChanged id sender UISwitch switchControl sender NSLog @ The..

UIDatePicker pop up after UIButton is pressed

http://stackoverflow.com/questions/4824043/uidatepicker-pop-up-after-uibutton-is-pressed

44 320 216 autorelease datePicker.tag 10 datePicker addTarget self action @selector changeDate forControlEvents UIControlEventValueChanged self.view addSubview datePicker UIToolbar toolBar UIToolbar alloc initWithFrame CGRectMake 0 self.view.bounds.size.height..

How to customize UISwitch button in iphone?

http://stackoverflow.com/questions/5087546/how-to-customize-uiswitch-button-in-iphone

imageNamed @ off.png forSegmentAtIndex 1 switchView addTarget self action @selector checkOnOffState forControlEvents UIControlEventValueChanged self.navigationItem.titleView switchView and write checkOnOffState method code like this IBAction checkOnOffState id sender..

UISegmentedControl change event not firing in iOS5

http://stackoverflow.com/questions/8054728/uisegmentedcontrol-change-event-not-firing-in-ios5

However initiating the change programmatically means that you can also do myControl sendActionsForControlEvents UIControlEventValueChanged yourself. However you have to be careful with this. Say you do segmentedControl setSelectedSegmentIndex newIndex segmentedControl.. with this. Say you do segmentedControl setSelectedSegmentIndex newIndex segmentedControl sendActionsForControlEvents UIControlEventValueChanged If you build and run this on iOS 5 it works as you expect. If you build and run this on iOS 4 you'll get your actions fired.. YES segmentedControl setSelectedSegmentIndex newIndex changingIndex NO segmentedControl sendActionsForControlEvents UIControlEventValueChanged and then in your action method... void segmentedControlSelectedIndexChanged id sender if changingIndex your action code..

Custom UISlider: avoid updating when dragging outside

http://stackoverflow.com/questions/8287413/custom-uislider-avoid-updating-when-dragging-outside

Which control event should I use I'm using customSlider addTarget self action @selector sliderMoved forControlEvents UIControlEventValueChanged to handle the sliding part finger sliding the cursor and customSlider addTarget self action @selector sliderAction forControlEvents..

iPhone:DatePicker dd/mm/yyyy

http://stackoverflow.com/questions/8939943/iphonedatepicker-dd-mm-yyyy

UIColor blackColor closeButton addTarget self action @selector dismissActionSheet forControlEvents UIControlEventValueChanged actionSheet addSubview closeButton actionSheet showInView UIApplication sharedApplication keyWindow actionSheet setBounds.. actionSheet setBounds CGRectMake 0 0 320 485 pickerView1 addTarget self action @selector updateLabel forControlEvents UIControlEventValueChanged UIBarButtonItem spacer UIBarButtonItem alloc initWithBarButtonSystemItem UIBarButtonSystemItemFlexibleSpace target nil action..

XCode: Displaying a UIDatePicker when user clicks on UITextbox

http://stackoverflow.com/questions/8974131/xcode-displaying-a-uidatepicker-when-user-clicks-on-uitextbox

datePicker setFrame CGRectMake 0 200 320 120 datePicker addTarget self action @selector done forControlEvents UIControlEventValueChanged self.view addSubview datePicker Here is what my header file looks like... #import UIKit UIKit.h @interface AddTasksViewController.. as picker self addSubview _datePicker _datePicker addTarget self action @selector pickerValueChanged forControlEvents UIControlEventValueChanged register to be notified when the value changes As an example we'll use a tap gesture recognizer to dismiss on a double tap..

Record the drawing as a m4v video file - OpenGL

http://stackoverflow.com/questions/9661259/record-the-drawing-as-a-m4v-video-file-opengl

method changeBrushColor is called. segmentedControl addTarget self action @selector changeBrushColor forControlEvents UIControlEventValueChanged segmentedControl.segmentedControlStyle UISegmentedControlStyleBar Make sure the color of the color complements the black..