uiscrollview

问题 So I have a UIScrollView that contains UITextFields and UILabels, and when the user clicks inside a UITextField the keyboard shows. But I need a way to allow the user to dismiss the keyboard and I was try to use the swipe down gesture to do it (as in Messages). I added the Gesture Recognizer to my view in the storyboard and added the Action to the header file. Here is the method: - (IBAction)SwipeKeyboardDown:(id)sender { if(self.moveTextField) { [self.moveTextField resignFirstResponder]; } }

问题 I have a UITextView in my UIScrollView . The Scrollview contains images and scrolls horizontally. The Textview is added as a subview and contains some text. Sometimes the text is quite long, so I want the textview to be scrollable. Here is what I do: UITextView *textView = [[UITextView alloc] initWithFrame:CGRectMake(260, 490, 280, 86)]; [textView setBackgroundColor:[UIColor colorWithRed:63.0f/255.0f green:154/255.0f blue:201/255.0f alpha:1.0f]]; [textView setTextColor:[UIColor whiteColor]];

问题 I try to take a ScreenShot for all view in ScrollView , my ScrollView has content that spills out of the screen (hence scrolling made possible), how can I ensure that the screenshot includes the elements that are not visible on the screen? I have been using this code: scroll_pp=(ScrollView)polis.findViewById(R.id.scroll_pp); int totalHeight = scroll_pp.getChildAt(0).getHeight(); int totalWidth = scroll_pp.getChildAt(0).getWidth(); Bitmap b= MethodSupport.loadBitmapFromView(scroll_pp,

问题 I'm trying to make a very simple scrolling page via IB. What I've got is a UIImageView at the top and 2 UIImageViews at the bottom, with a UITextView in the middle. I've disabled the scrolling in the UITextView as I won't the whole page to scroll up and down including the UIImageViews . Can anyone tell me why the UIScrollView won't scroll up and down? All of the items above are subviews of UIScrollView via IB . 回答1: You can only scroll in a UIScrollView if the contentSize is larger than the

问题 I'd like to add a scrollview to my project. I've added the following code in my file: - (void)viewDidLoad { [super viewDidLoad]; [scrollView setScrollEnabled:YES]; [scrollView setContentSize: CGSizeMake(320, 830)]; } This works good with xcode 4.3 und IOS 5. But know it doesn't scroll. If I deactivate Auto Layout in the file inspector it works perfect. But the layout in for iPhone 4 with the smaller display is not correct. The layout in iPhone 5 looks good. What should I do, when I want don't

问题 I have UIWebView and have [[self webView] setScalesPageToFit:YES] . Problem When zooming in my webView the zoom isn't as magnified as it is on Safari. Question How can I accomplish the same zoom factor that Safari has? Examples This is what the first sentence at url http://www.apple.com/privacy/ looks like at max zoom: On my webView On Safari 来源： https://stackoverflow.com/questions/37977020/ios-uiwebview-does-not-zoom-enough

问题 I have a scrollView and two subviews attached in that an imageView and a buttons view which holds some hotspots that have lines to the image view. I want to zoom in / out and move the hotspots accordingly. The problem i have is that i can't keep the hotspots in the place i want and can't find a solution here. here is my code in viewDidLoad - (void)viewDidLoad { [super viewDidLoad]; // set the tag for the image view [imageView setTag:ZOOM_VIEW_TAG]; imageScrollView.delegate = self; float sexy

问题 I have a stretchy header that I made following this tutorial http://blog.matthewcheok.com/design-teardown-stretchy-headers/. Anyway it's working perfectly but I'm having trouble making a UIView on top of it fade out as the view stretched and returning to original alpha as the view is returned to normal. Best I could come up with is this: override func scrollViewDidScroll(scrollView: UIScrollView) { updateHeaderView() var offset = scrollView.contentOffset.y if offset < -170 {

问题 I'm trying to get familiar with the UIScrollView . I try to set the UIScrollView's contentSize to full width of the screen and ten times the heigh t of the screen in the corresponding ViewController's viewDidLoad method. However, when I tried to run it on the iOS simulator , I found that the view can't be scrolled . Please kindly help to give some hints & opinion. Thanks! 回答1: You need To check in your Code See 1)Check whether the UserInteraction enabled For The UIScrollView if not Please Do

问题 I need some serious help on this problem of mine where I need to work a UIView as an ScrollView . Below uploaded picture will clear all the doubts. I have taken four buttons along with a UIView below them along with 4 container views which I have placed one above the other so as to work along with the four buttons.. What I want now is to work UIView as an ScrollView . Whenever I click any button, the View moves forward as well as the it changes the container view. And respective container