uiscrollview

问题 I want to assign suitSize to scrollButton what I'm doing wrong? UIView *scrollButton = [suitScrollView viewWithTag:1]; CGSize suitSize =CGSizeMake(10.0f,10.0f); (UIButton *)scrollButton.frame.size=suitSize; 回答1: frame is a property, not a structure field. You can't assign to a subfield of it. Think of it as a function call; dot syntax for properties is convenience. This: scrollButton.frame.size = suitSize; Is equivalent to: [scrollButton frame].size = suitSize; Which doesn't work; it doesn't

问题 I want to make a UITableView with a fixed header, like the App Store, with the bounce effect below the header: I've tried a UIScrollView with a UITableView with scrollEnabled NO. Didn't work; it didn't make the bounce effect below the header: My View: 回答1: I finally found one solution. Basically I created a UITableView and a header, both with clear background color. Then I add a new view (with the same height that the header tableView has), between the controller view and tableView,

问题 I want to make a UITableView with a fixed header, like the App Store, with the bounce effect below the header: I've tried a UIScrollView with a UITableView with scrollEnabled NO. Didn't work; it didn't make the bounce effect below the header: My View: 回答1: I finally found one solution. Basically I created a UITableView and a header, both with clear background color. Then I add a new view (with the same height that the header tableView has), between the controller view and tableView,

问题 I'm new in iOS and I'm facing problem for Sign on a view. I've created a view of Sign.As Shown in Image. But when I added the view in the ScrollView I'm not able to Sign on it.So my Question is how to disable the scrollview on the view touch. I've used a code same as in this link How to draw Signature on UIView answer given by user3182143. Thanks in advance 回答1: I tried with answer what you ask here. I set scroll inside the view.Then I tried to write on the view but I could not do that.After

问题 I'm trying to synchronize scrolling in all collection views within a table view (see image link below) : Example Image : http://postimg.org/image/dduhr89e5/ The sample that I have been able to find explains how you can sync two separate scroll views by identifying each. However I am unsure how to identify each collection view when they are in a table view. There could be 1 or hundreds that all need synchronized. - (void)scrollViewDidScroll:(UIScrollView *)scrollView { if ([scrollView isEqual:

问题 I am trying to figure out if I can use a UISnapBehavior from UIAnimator inside a UIScrollview to make scroll view's content snap to a point. So far my findings have been lead to that this is impossible. What I am Trying to Achieve UIScrollView to 'snap' to certain point while the user is dragging the scroll view. However, the scrolling has to resume from snapped position without the user having to lift the touch. Apple seems to achieve this in Photo Editing in their iOS Photos App. (See

问题 In an iPhone word game I have an UIScrollView (holding UIImageView ) and 7 draggable custom UIView s placed initially at the bottom (and outside the scroll view): In the single ViewController.m I have overwritten viewDidLayoutSubviews so that it always sets the zoomScale of the scroll view - to have the UIImageView fill exactly 100% of the screen width. This works well - for portrait and landscape modes. And when the app is just started: My problem is however, when I first pinch/zoom/double

问题 I have a bunch of textviews within my app. For some reason, whether I set the UITextView text programmatically (coming from the internet) or by interface builder (hardcoded), no matter what I do, when I go to that text view when testing it is blank. But the instant I scroll it all the text just appears out of no where. Just to clarify, I am not saying that the textview won't scroll because there isn't enough text. The textview has text programmed into it, but it will not display any text when

问题 I have a UIScrollView filled with subviews, all is well when creating it and initially filling it. But when I add a new subview that is positionned outside of the visible screen portion, or when I just resize an existing subview that is also outside of the visible screen portion, there is a subsequent 0.3s-long scroll animation (I can see it happening from my delegate) that seems to match the newly added/resized element. Attempts: pagingEnabled is always NO. Setting scrollEnabled to NO during

问题 I have an UITextView inside a UIScrollView. The textView display correctly when text is not too long. But when text is long long, it is not showing text in textView. However, the textView is still selectable. Here is my layout. Thank you so much! 回答1: I had the same problem displaying very long text (33745 chars) in a UITextView and after experimenting with different copy lengths the limitation is with the simulator. If the number of chars was over 7435 the simulator did not show the text but