All Questions
Tagged with animation objective-c
1,860 questions
0
votes
1
answer
49
views
Animated scroll of UITableview like credits at the end of a movie
I have to make a screen for the credits of my app that behaves like the credits at the end of a movie. I was using a uitextview but we need sticky headers like a tableview. So I switched to that but ...
0
votes
0
answers
129
views
Alternative to runUntilDate for waiting until animation is complete
We have an application that has some code similar to the following:
[UIView animationWithDuration: 0.7f animations {
// Some animations
}];
[NSRunLoop currentRunLoop] runUntilDate: [NSDate ...
-1
votes
1
answer
59
views
How can I create a transition between two subview iOS?
I have a problem when I want to create a transition between to views inside a container view in iOS application. I want to create an animation that makes my first view goes out sliding to the left and ...
1
vote
1
answer
149
views
Speed up animateWithDuration method incrementally
How can I speed up my animation while it is running? I am using animateWithDuration for the animation, and essentially it expands a rectangle to cover my screen, as well as moves a label. I would like ...
0
votes
1
answer
203
views
iOS Obj-c gradient background transition
I'd like to gradually change the background gradient from
gradient.colors = [NSArray arrayWithObjects:(id)[UIColor.blackColor CGColor],(id)[UIColor.blueColor CGColor], nil];
to
gradient.colors = [...
2
votes
2
answers
164
views
Apply and animate many constraints to outlet collection of uiviews
I have an outlet collection of labels. The labels are in stack views parented by a stack view. When the view loads I'd like to have each label fade in and move slightly to the right one after the ...
0
votes
1
answer
170
views
Animate image change of UIImageView when having an UIVisualEffectView above
My problem is as follows:
An UIImageView's view is going to be changed with an animation, like this:
[UIView transitionWithView:_backgroundArtworkImageView
duration:...
0
votes
1
answer
37
views
Observer called function not animating
I have a function
-(void)setCurrentDuration:(double)currentTime
{
[self.slider setValue:currentTime animated:YES];
}
in a UIPhilosophyViewCell cell.
calling
for (UIPhilosophyViewCell* ...
0
votes
1
answer
40
views
How do you infinitely loop all property modifications within UIView animation blocks
I'm having an issue with making a glowing animation for UIView elements infinitely increase the size and opacity of the object shadow that I'm using to create the glow.
I've tried using different ...
0
votes
1
answer
980
views
Pausing an animation in iOS (objective C)
I am having some trouble handling animations in some objective C code.
First, here is the relevant code:
BOOL pauseFlag; // Instance variable.
CGFloat animationDuration,pauseDuration; // Instance ...
2
votes
0
answers
135
views
Animate CAGradientLayer while drawing or fill color
I am working on a circular progress view. I am adding slices or ARCs of a circle with unselected and selected colours that indicate progress of some task.
I am working in CALayers to draw Arcs and ...
0
votes
1
answer
35
views
Custom Spinner class with rotation animation problem
I programmed my own view containing an imageview which should be rotating. Here is my rotation animation:
- (void)startPropeller
{
//_movablePropeller = [[UIImageView alloc] initWithFrame:self....
0
votes
2
answers
90
views
Objective C: Custom spinning animator class in form of a propeller
I basically want my own animator shown on screen while loading stuff. I want a propeller (which should rotate) on top of a fixed gear ring image. The idea is to instantiate an object with a specific ...
0
votes
1
answer
77
views
Is there a way to rotate the Refresh Icon of UIBarButtonSystemItemRefresh until refresh done?
I'm setting up a UIBarButtonSystemItemRefresh, and want to rotate the refresh icon of the UIBarButtonSystemItemRefresh until refresh done. How can I achieve this?
self.navigationItem....
0
votes
1
answer
136
views
Mac OS: CAAnimation - seamlessly update the animation
I'm making custom UI element and I need to animate it. The problem is that at some point I need to update my animation, but when I update it, there is a visible lag/gap between current animation ...