animateWithDuration « animation « iPhone iPad Media Q&A

1. does animateWithDuration:animations: block main thread?    stackoverflow.com

I have connected the two methods below to separate buttons in my UI but have noticed that after pressing the "VERSION 1" button that I could not press the button again ...

2. Crash after animateWithDuration because of bad access    stackoverflow.com

Please see the below code. It shows animation effect with image.

UIImageView *imgView = [[UIImageView alloc] initWithImage:img];  // ref count = 1
int offX = imgView.frame.size.width / 6;
int offY = (imgView.frame.size.height - ...

3. Method '+animateWithDuration:delay:options:animations:' not found when trying to use animateWithDuration    stackoverflow.com

-(void)fadeLabel{

    UILabel *label = (UILabel *)[self.view viewWithTag:kLabelTag];


    [UIView animateWithDuration:2.0
                 ...

4. Is there a way to pause animateWithDuration once it has started?    stackoverflow.com

I'm using animateWithDuration method to animate a textView with lyrics to a song that scrolls as the song plays. It works fine, but I included a pause button for the song ...

5. What does the finished parameter in the completion block mean in animateWithDuration    stackoverflow.com

I'm trying to understand how view animations work in iOS; i currently have an animation that i create with:

+ (void)animateWithDuration:(NSTimeInterval)duration delay:(NSTimeInterval)delay options:(UIViewAnimationOptions)options animations:(void (^)(void))animations completion:(void (^)(BOOL finished))completion