uiscrollview

UIScrollView pinch to create a larger zoom effect

Hi, I'm using a regular UIScrollView. How can I make the pinch-out gesture create a larger zoom? let's say two-times the zoom I get today... 10x ...

Is it possible to tile images in a UIScrollView without having to manually create all the tiles?

In the iPhone sample code "PhotoScroller" from WWDC 2010, they show how to do a pretty good mimmic of the Photos app with scrolling, zooming, and paging of images. They also tile the images to show how to display high resolution images and maintain good performance. Tiling is implemented in the sample code by grabbing pre scaled and cut...

How do I resize a picture using UIImageView so that I can zoom in and out?

In my view I have a picture.. The picture has a 3:2 scale and is huge, resolution wise. I'm having a lot of trouble initializing a UIImage with the image to the original size and then zooming out of the UIImageView so that the entire image is visible within the scrollview. The program stays only in the portrait orientation. And no, pl...

UIScrollView doesn't scroll

Hi. I have a problem with a UIScrollView. I set its frame.size, contentSize (bigger then frame), but I still can't scroll. My program has sctucrure like this: MainMenuViewController -> ScrollBarController -> UIScrollView This is a part of MainMenuViewController's method viewDidLoad ScrollBarController *imgScrollBarCtrl = [[ScrollBarC...

Paging UIScrollView, changing content

Following the PageControl sample code on the Apple site here, i have created my application based on that. I have a grid of buttons, which need to change based on the current page. Where would be the best place to set up my array containing the buttons? In the -initWithPageNumber method or in -viewDidLoadof the view controller? In -view...

custom draw android scrollview

i am trying to do a custom view in android. i want to draw a image on top and then down to that rest of the screen a scrollable draw text. thats why i did a xml layout and the custom view inside a scrollview beneath imageview but for some reason the ondraw is not called. if i do setContentlayout(new CustomView(this)), it calls onDraw b...

Scrolling the iphone simulator

hi ! i am a biginner for iphon and i want to make scrolling the iphone simulator .. how can i make it possible can anybody give me code for it ....? ...

Drag an imageview cross boundaries of views

I have a UIImageView in the top portion of my main view. Below this I have a horizontal UIScrollView with numerous UIImageViews contained in it. I am trying to drag any one of the UIImageViews from the UIScrollView up onto the main UIImageView in the upper portion of the screen. However even if I set the UIImageView being dragged to B...

Problem zooming into UIImageView

I am following Apple's ScrollSuite example, however pinch to zoom is not working. I am not sure whats wrong: // Implement viewDidLoad to do additional setup after loading the view, typically from a nib. - (void)viewDidLoad { [super viewDidLoad]; // set up main scroll view imageScrollView = [[UIScrollView alloc] initWithFram...

How to autorotate UIScrollView and UIImagewView programatically?

I have a UIScrollView and a UIImageView which I have created programatically without interface builder. How can I make sure both auto-rotate in horizontal orientation? ...

Resizing content in a UIScrollView

I am creating a scrollview programmatically and adding subviews to it programmatically. The subviews are created programmatically as well. I am just wondering how to rotate / resize the subview so that it remains visible in landscape mode. I have set the scrollview to autorotateSubviews:YES and in my subview i have set the mask to be ...

UIScrollView/UITableView crashes when resizing frame

My app has a paged scrollView with a tableView in each page. At the bottom of the screen I placed an ad banner, which should hide as the ads become unavailable and reappear when they are loaded. This banner is placed below the scrollView and is not affected by the user scrolling left-right through pages or up-down through the table. So...

Scrollview+Webview Touch event

hi i have a scroll view and on that number of webview no i want to know how i get touch event of webview ...

How to create the mobile safari search bar scroll effect?

Hi Friends, Can some one say how I can bring the Safari Search bar Scroll effect. I guess the Search bars must be placed as the subview of UIWebViews. When I tried doing it, no controls are accepted by Web view as its subview. Please some one help. ...

Question's about delegate an UIScrollview.

Hello, i've got still problems with delegating something like a UIScrollView. For example, i've got 2 Scrollviews (Scrollview1 and Scrollview2)and i want to use the method - (void)scrollViewDidScroll:(UIScrollView *)scrollView1 To interact to both Scrollviews like: if (scrollView1 == scrollView2) { NSLog(@"similar");} First,...

UIAccelerometer and UIScrollView

Hi, I want to scroll a scrollview based on the UIAccelerometer values. What is the best way to accomplish this? Thanks and Regards ...

Aliasing issue with PDF inside UIScrollView

I have a UIView subclass which displays a PDF, and this is embedded in a UIScrollView. When the user zooms in, the PDF content is pixelated. I've double checked, and anti-aliasing is enabled. If I display the PDF at a larger size using CGContextScaleCTM, it displays fine, but I don't know how to integrate this with the UIScrollView zo...

UIScrollView with multiple pages visible or smaller page sizes

I'm trying to make a paging UIScrollView display multiple pages at the same time, in effect, making the page size smaller than the scrollview's bounds. I've been googling for hours, but nobody seems to have a good solution. I'm able to get the right effect visually by sizing the scrollview to the size I want one page to be, turning off...

How to prevent a UIView from going out?

Hi guys, I currently am translating/transforming my UIView. I need to prevent a UIView from going out, e.g. prevent users from seeing the background behind when they drag the UIView. Something like the bounces when you go out of bounds in UIScrollView implements would be nice. Unfortunately I can't use a UIScrollView because I need to d...

How to get the correct hight and expand the table view when a tableview is in a scrollview?

I have a scrollview that contains a tableview and some other componinets, some buttons and labels. However I cannot figure out how the following two questions are addressed: I know how to disable the scrolling in the tableview. Nevertheless, can anyone tell me how to expand the tableview programmatically so the hight of the table view ...