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2014/10/15 ¤U¤È 10:05:05
iphone Programming Glossary: cgpointmakeHow can I animate the movement of a view or image along a curved path? http://stackoverflow.com/questions/1142727/how-can-i-animate-the-movement-of-a-view-or-image-along-a-curved-path pathAnimation.removedOnCompletion NO Setting Endpoint of the animation CGPoint endPoint CGPointMake 480.0f 30.0f 40.0f to end animation in last tab use CGPoint endPoint CGPointMake 320 40.0f 480.0f CGMutablePathRef.. CGPoint endPoint CGPointMake 480.0f 30.0f 40.0f to end animation in last tab use CGPoint endPoint CGPointMake 320 40.0f 480.0f CGMutablePathRef curvedPath CGPathCreateMutable CGPathMoveToPoint curvedPath NULL viewOrigin.x..
How to Rotate a UIImage 90 degrees? http://stackoverflow.com/questions/1315251/how-to-rotate-a-uiimage-90-degrees
Changing my CALayer's anchorPoint moves the view http://stackoverflow.com/questions/1968017/changing-my-calayers-anchorpoint-moves-the-view of changes to the anchorPoint. Yet my view moves Any tips on how to do this self.layer.anchorPoint CGPointMake 0.5 0.5 NSLog @ center point f f self.layer.position.x self.layer.position.y self.layer.anchorPoint.. 0.5 NSLog @ center point f f self.layer.position.x self.layer.position.y self.layer.anchorPoint CGPointMake 1 1 NSLog @ center point f f self.layer.position.x self.layer.position.y The output is 2009 12 27 20..
Embedding YouTube videos on iOS http://stackoverflow.com/questions/5117617/embedding-youtube-videos-on-ios
http://stackoverflow.com/questions/603907/uiimage-resize-then-crop 0.0 CGFloat scaledWidth targetWidth CGFloat scaledHeight targetHeight CGPoint thumbnailPoint CGPointMake 0.0 0.0 if CGSizeEqualToSize imageSize targetSize NO CGFloat widthFactor targetWidth width CGFloat..
Transparent Modal View on Navigation Controller http://stackoverflow.com/questions/849458/transparent-modal-view-on-navigation-controller label.backgroundColor UIColor clearColor label.opaque NO label sizeToFit label setCenter CGPointMake modalView.frame.size.width 2 modalView.frame.size.height 2 modalView addSubview label self.view addSubview..
How can I animate the movement of a view or image along a curved path? http://stackoverflow.com/questions/1142727/how-can-i-animate-the-movement-of-a-view-or-image-along-a-curved-path kCAAnimationPaced pathAnimation.fillMode kCAFillModeForwards pathAnimation.removedOnCompletion NO Setting Endpoint of the animation CGPoint endPoint CGPointMake 480.0f 30.0f 40.0f to end animation in last tab use CGPoint endPoint CGPointMake 320 40.0f 480.0f CGMutablePathRef curvedPath CGPathCreateMutable CGPathMoveToPoint.. NO Setting Endpoint of the animation CGPoint endPoint CGPointMake 480.0f 30.0f 40.0f to end animation in last tab use CGPoint endPoint CGPointMake 320 40.0f 480.0f CGMutablePathRef curvedPath CGPathCreateMutable CGPathMoveToPoint curvedPath NULL viewOrigin.x viewOrigin.y CGPathAddCurveToPoint curvedPath NULL..
How to Rotate a UIImage 90 degrees? http://stackoverflow.com/questions/1315251/how-to-rotate-a-uiimage-90-degrees
Changing my CALayer's anchorPoint moves the view http://stackoverflow.com/questions/1968017/changing-my-calayers-anchorpoint-moves-the-view and self.center and they both stay the same regardless of changes to the anchorPoint. Yet my view moves Any tips on how to do this self.layer.anchorPoint CGPointMake 0.5 0.5 NSLog @ center point f f self.layer.position.x self.layer.position.y self.layer.anchorPoint CGPointMake 1 1 NSLog @ center point f f self.layer.position.x.. tips on how to do this self.layer.anchorPoint CGPointMake 0.5 0.5 NSLog @ center point f f self.layer.position.x self.layer.position.y self.layer.anchorPoint CGPointMake 1 1 NSLog @ center point f f self.layer.position.x self.layer.position.y The output is 2009 12 27 20 43 24.161 Type 11289 207 center point 272.500000 242.500000..
Embedding YouTube videos on iOS http://stackoverflow.com/questions/5117617/embedding-youtube-videos-on-ios
http://stackoverflow.com/questions/603907/uiimage-resize-then-crop CGFloat targetHeight targetSize.height CGFloat scaleFactor 0.0 CGFloat scaledWidth targetWidth CGFloat scaledHeight targetHeight CGPoint thumbnailPoint CGPointMake 0.0 0.0 if CGSizeEqualToSize imageSize targetSize NO CGFloat widthFactor targetWidth width CGFloat heightFactor targetHeight height if widthFactor heightFactor..
Transparent Modal View on Navigation Controller http://stackoverflow.com/questions/849458/transparent-modal-view-on-navigation-controller label.text @ Modal View label.textColor UIColor whiteColor label.backgroundColor UIColor clearColor label.opaque NO label sizeToFit label setCenter CGPointMake modalView.frame.size.width 2 modalView.frame.size.height 2 modalView addSubview label self.view addSubview modalView Adding the modalView as a subview to the..
How can I animate the movement of a view or image along a curved path? http://stackoverflow.com/questions/1142727/how-can-i-animate-the-movement-of-a-view-or-image-along-a-curved-path kCAFillModeForwards pathAnimation.removedOnCompletion NO Setting Endpoint of the animation CGPoint endPoint CGPointMake 480.0f 30.0f 40.0f to end animation in last tab use CGPoint endPoint CGPointMake 320 40.0f 480.0f CGMutablePathRef curvedPath.. of the animation CGPoint endPoint CGPointMake 480.0f 30.0f 40.0f to end animation in last tab use CGPoint endPoint CGPointMake 320 40.0f 480.0f CGMutablePathRef curvedPath CGPathCreateMutable CGPathMoveToPoint curvedPath NULL viewOrigin.x viewOrigin.y..
How do I add a gradient to the text of a UILabel, but not the background? http://stackoverflow.com/questions/1266179/how-do-i-add-a-gradient-to-the-text-of-a-uilabel-but-not-the-background rgbColorspace components locations num_locations CGRect currentBounds self.bounds CGPoint topCenter CGPointMake CGRectGetMidX currentBounds 0.0f CGPoint midCenter CGPointMake CGRectGetMidX currentBounds CGRectGetMidY currentBounds CGContextDrawLinearGradient.. CGRect currentBounds self.bounds CGPoint topCenter CGPointMake CGRectGetMidX currentBounds 0.0f CGPoint midCenter CGPointMake CGRectGetMidX currentBounds CGRectGetMidY currentBounds CGContextDrawLinearGradient context gradient topCenter midCenter..
How to Rotate a UIImage 90 degrees? http://stackoverflow.com/questions/1315251/how-to-rotate-a-uiimage-90-degrees
Blur an image of specific part (rectangular, circular)? http://stackoverflow.com/questions/14107979/blur-an-image-of-specific-part-rectangular-circular CGSizeMake imageView.image.size.width imageView.image.size.height UIGraphicsBeginImageContext size CGPoint pointImg1 CGPointMake 0 0 img drawAtPoint pointImg1 CGPoint pointImg2 cropRect.origin img2 drawAtPoint pointImg2 UIImage result UIGraphicsGetImageFromCurrentImageContext..
Changing my CALayer's anchorPoint moves the view http://stackoverflow.com/questions/1968017/changing-my-calayers-anchorpoint-moves-the-view the same regardless of changes to the anchorPoint. Yet my view moves Any tips on how to do this self.layer.anchorPoint CGPointMake 0.5 0.5 NSLog @ center point f f self.layer.position.x self.layer.position.y self.layer.anchorPoint CGPointMake 1 1 NSLog.. CGPointMake 0.5 0.5 NSLog @ center point f f self.layer.position.x self.layer.position.y self.layer.anchorPoint CGPointMake 1 1 NSLog @ center point f f self.layer.position.x self.layer.position.y The output is 2009 12 27 20 43 24.161 Type 11289..
http://stackoverflow.com/questions/262156/uiimage-rounded-corners float scaleFactor 0.0 float scaledWidth targetSize.width float scaledHeight targetSize.height CGPoint thumbnailPoint CGPointMake 0 0 since not all images are square we want to scale proportionately. To do this we find the longest edge and use that as..
How do I use the NSString draw functionality to create a UIImage from text http://stackoverflow.com/questions/2765537/how-do-i-use-the-nsstring-draw-functionality-to-create-a-uiimage-from-text CGSizeMake 1.0 1.0 5.0 UIColor grayColor CGColor draw in context you can use also drawInRect withFont text drawAtPoint CGPointMake 0.0 0.0 withFont font transfer image UIImage image UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext return..
UIScrollView Infinite Scrolling http://stackoverflow.com/questions/3430267/uiscrollview-infinite-scrolling CGSizeMake mainScrollView.contentSize.width 3200 mainScrollView.contentSize.height mainScrollView.contentOffset CGPointMake mainScrollView.contentOffset.x 3200 0 for UIView view in mainContainerView subviews view.frame CGRectMake view.frame.origin.x..
http://stackoverflow.com/questions/4130821/iphone-compass-gps-direction double temp1 temp self angleToRadians temp2 I using this but it can't rotate by point even i change the coordinate in CGPointMake Compass2.layer.anchorPoint CGPointMake 0 0.5 Compass2 setTransform CGAffineTransformMakeRotation temp1 Compass2 is a UIImageView.. temp2 I using this but it can't rotate by point even i change the coordinate in CGPointMake Compass2.layer.anchorPoint CGPointMake 0 0.5 Compass2 setTransform CGAffineTransformMakeRotation temp1 Compass2 is a UIImageView like below picture I want to rotate..
Embedding YouTube videos on iOS http://stackoverflow.com/questions/5117617/embedding-youtube-videos-on-ios
How to use activity indicator view on iPhone? http://stackoverflow.com/questions/593234/how-to-use-activity-indicator-view-on-iphone UIActivityIndicatorView alloc initWithActivityIndicatorStyle UIActivityIndicatorViewStyleWhiteLarge spinner setCenter CGPointMake kScreenWidth 2.0 kScreenHeight 2.0 I do this because I'm in landscape mode self.view addSubview spinner spinner is not visible..
http://stackoverflow.com/questions/603907/uiimage-resize-then-crop CGFloat scaleFactor 0.0 CGFloat scaledWidth targetWidth CGFloat scaledHeight targetHeight CGPoint thumbnailPoint CGPointMake 0.0 0.0 if CGSizeEqualToSize imageSize targetSize NO CGFloat widthFactor targetWidth width CGFloat heightFactor targetHeight..
How to use UIPanGestureRecognizer to move object? iPhone/iPad http://stackoverflow.com/questions/6672677/how-to-use-uipangesturerecognizer-to-move-object-iphone-ipad sender state UIGestureRecognizerStateBegan firstX sender view center .x firstY sender view center .y translatedPoint CGPointMake firstX translatedPoint.x firstY sender view setCenter translatedPoint if UIPanGestureRecognizer sender state UIGestureRecognizerStateEnded..
iPhone Core Animation - Drawing a Circle http://stackoverflow.com/questions/7991086/iphone-core-animation-drawing-a-circle CGRectMake 0 0 2.0 radius 2.0 radius cornerRadius radius .CGPath Center the shape in self.view circle.position CGPointMake CGRectGetMidX self.view.frame radius CGRectGetMidY self.view.frame radius Configure the apperence of the circle circle.fillColor..
Transparent Modal View on Navigation Controller http://stackoverflow.com/questions/849458/transparent-modal-view-on-navigation-controller UIColor whiteColor label.backgroundColor UIColor clearColor label.opaque NO label sizeToFit label setCenter CGPointMake modalView.frame.size.width 2 modalView.frame.size.height 2 modalView addSubview label self.view addSubview modalView Adding..
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