2014/10/15 下午 10:13:56

iphone Programming Glossary: setalpha

Querying Core Data with Predicates - iPhone

http://stackoverflow.com/questions/1019070/querying-core-data-with-predicates-iphone

error @ @ error error userInfo abort Fail self.tableView reloadData searchBar resignFirstResponder _shadeView setAlpha 0.0f If I type in the search field an exact match to the name property of one of those objects the search works and it repopulates..

Spacing between cells on UITableView with Custom UITableViewCell

http://stackoverflow.com/questions/10761744/spacing-between-cells-on-uitableview-with-custom-uitableviewcell

cell2 UITableViewCell alloc initWithStyle UITableViewCellStyleDefault reuseIdentifier CELL_ID2 cell2.contentView setAlpha 0 cell2 setUserInteractionEnabled NO prevent selection and other stuff return cell2 ccTableView setBackgroundColor UIColor..

iCarousel stop at user picked index

http://stackoverflow.com/questions/10767569/icarousel-stop-at-user-picked-index

Add a button on each view of the carousel UIButton someButton UIButton alloc initWithFrame view.bounds someButton setAlpha 0.0 someButton addTarget self action @selector fingerLanded forControlEvents UIControlEventTouchDown view addSubview someButton..

How to create popover in iPhone app?

http://stackoverflow.com/questions/11547969/how-to-create-popover-in-iphone-app

addSubview customView Display the customView with animation UIView animateWithDuration 0.4 animations ^ customView setAlpha 1.0 completion ^ BOOL finished Don't forget to #import QuartzCore QuartzCore.h if you want to use the customView.layer ...

Placeholder in UITextView

http://stackoverflow.com/questions/1328638/placeholder-in-uitextview

NSNotification notification if self placeholder length 0 return if self text length 0 self viewWithTag 999 setAlpha 1 else self viewWithTag 999 setAlpha 0 void setText NSString text super setText text self textChanged nil void drawRect.. if self placeholder length 0 return if self text length 0 self viewWithTag 999 setAlpha 1 else self viewWithTag 999 setAlpha 0 void setText NSString text super setText text self textChanged nil void drawRect CGRect rect if self placeholder length..

iPhone SDK: Non-transparent subviews in transparent view

http://stackoverflow.com/questions/1409285/iphone-sdk-non-transparent-subviews-in-transparent-view

UIView alloc initWithFrame CGRectMake 0 0 320 50 topHoverView.backgroundColor UIColor blackColor topHoverView setAlpha 0.2 self.view addSubview topHoverView Add button 1 button1 UIButton buttonWithType UIButtonTypeRoundedRect button1 setFrame.. UIView alloc initWithFrame CGRectMake 0 0 320 50 topHoverView.backgroundColor UIColor transparentColor topHoverView setAlpha 1.0 self.view addSubview topHoverView canvasView UIView alloc initWithFrame CGRectMake 0 0 320 50 canvasView.backgroundColor.. UIView alloc initWithFrame CGRectMake 0 0 320 50 canvasView.backgroundColor UIColor blackColor canvasViewView setAlpha 0.2 topHoverView.view addSubview canvasView Add button 1 button1 UIButton buttonWithType UIButtonTypeRoundedRect button1..

How to make a blinking (or flashing) cursor on iphone?

http://stackoverflow.com/questions/1476260/how-to-make-a-blinking-or-flashing-cursor-on-iphone

self UIView setAnimationDidStopSelector @selector blinkAnimation finished target if target alpha 1.0f target setAlpha 0.0f else target setAlpha 1.0f UIView commitAnimations And to start the animation shouldContinueBlinking YES self blinkAnimation.. @selector blinkAnimation finished target if target alpha 1.0f target setAlpha 0.0f else target setAlpha 1.0f UIView commitAnimations And to start the animation shouldContinueBlinking YES self blinkAnimation @ blinkAnimation..

How do you add a In-app purchase to an iPhone application?

http://stackoverflow.com/questions/19556336/how-do-you-add-a-in-app-purchase-to-an-iphone-application

have to add your own code for what happens when the banner view loads. void doRemoveAds ADBannerView banner banner setAlpha 0 adsRemoved YES removeAdsButton.hidden YES removeAdsButton.enabled NO NSUserDefaults standardUserDefaults setBool adsRemoved..

PDF viewing/annotating library for iPhone?

http://stackoverflow.com/questions/2161257/pdf-viewing-annotating-library-for-iphone

How to hide UITabBarController programmatically?

http://stackoverflow.com/questions/2257178/how-to-hide-uitabbarcontroller-programmatically

Please explain this Objective-C code

http://stackoverflow.com/questions/3256390/please-explain-this-objective-c-code

Objective C code ref1view.hidden NO UIView beginAnimations nil context nil UIView setAnimationDuration 0.25f ref1view setAlpha ref1view alpha 1.0f 0.0f 1.0f UIView commitAnimations Can anyone please give me a breakdown of how this works Specifically.. 1.0f UIView commitAnimations Can anyone please give me a breakdown of how this works Specifically this line ref1view setAlpha ref1view alpha 1.0f 0.0f 1.0f It seems that this function will animate the alpha from 0 1 and back from 1 0 and I just don't.. I just don't understand the syntax. Thanks iphone objective c ios animation share improve this question ref1view setAlpha ref1view alpha 1 0.0f 1.0f Sets the alpha of ref1view to be 1 if it's 0 or 0 if it's 1. This is called the ternary operator..

How to list only online users on facebook with xmpp framework

http://stackoverflow.com/questions/5300912/how-to-list-only-online-users-on-facebook-with-xmpp-framework

setBackgroundColor UIColor clearColor tableView setSeparatorStyle UITableViewCellSeparatorStyleSingleLine tableView setAlpha 1.0 self.view addSubview tableView self.tableView reloadData self showTopBar I don't know the actual flow of the xmpp framework.. setBackgroundColor UIColor clearColor tableView setSeparatorStyle UITableViewCellSeparatorStyleSingleLine tableView setAlpha 1.0 self.view addSubview tableView self.tableView reloadData self showTopBar Called when the user dismissed the dialog..

Can I use CGAffineTransformMakeRotation to rotate a view more than 360 degrees?

http://stackoverflow.com/questions/542739/can-i-use-cgaffinetransformmakerotation-to-rotate-a-view-more-than-360-degrees

CGAffineTransformIdentity 5.0f 5.0f swirl CGAffineTransformRotate scale M_PI player setTransform swirl player setAlpha 0.0f But I find that if I try to change the angle of the rotation to say 4 M_PI it doesn't rotate at all. Is it possible..

Changing Tint / Background color of UITabBar

http://stackoverflow.com/questions/571028/changing-tint-background-color-of-uitabbar