Is there a way to know when a view is viewable to user?

Posted by Shay on Stack Overflow See other posts from Stack Overflow or by Shay
Published on 2010-04-13T07:49:29Z Indexed on 2010/04/13 7:52 UTC
Read the original article Hit count: 293

Filed under:

iphone

|

visible

|

uiview

Hi

Is there a way to know when a view is viewable to user?

For example: if I have 2 views, and one of them is "hiding" the other-

how can I tell that the "hidden" view is currently not visible on screen,

and how can I check to see when it becomes visible again?

Thanks.

© Stack Overflow or respective owner

Related posts about iphone

iphone - direct link to iPhone review form from inside iphone

as seen on Stack Overflow - Search for 'Stack Overflow'
I am trying to link directly to the review link of one of my Apps. I know that it is possible because Appirater did it in the past, but some change in iTunes turned the API down. Appirater uses this URL NSString *templateReviewURL = @"itms-apps://itunes.apple.com/WebObjects/MZStore.woa/wa/viewContentsUserReviews… >>> More
Buy iPhone 4 Without Contract: $599 (AT&T) and $699 (Verizon)

as seen on Tech Dreams - Search for 'Tech Dreams'
Purchasing iPhone without a contract is a good option when you are planning to gift it to someone or going to use it outside US. Both AT&T and Verizon lets you iPhone 4 without a contract but this information is buried deep under blurred text in FAQs and agreements. Here is the pricing… >>> More
Is it possible to download and run IPhone apps on an IPhone emulator

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi, I am tasked to provide an IPhone client app for our SaaS website. I have never written an IPhone application, nor do I have an IPhone at the moment. Before I can decide whether or not I want to do this myself or outsource this, I'd like to try a few apps myself to get a feeling for the UI. Is… >>> More
iPhone web app from dashcode rss feed template works deployed on simulator but not on iphone

as seen on Stack Overflow - Search for 'Stack Overflow'
iPhone web app from dashcode rss feed template works deployed on simulator but not on iphone. The web app is deployed at; http://www.alila.se/wordpress/index.html If i run the simulator and enter that adress, it fetches the rss feed and displays it. Everything fine. When i enter the adress into… >>> More
Problem running iPhone application on iPhone from Xcode (and in Instruments)

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi I have a problem running one application on the iPhone from Xcode (or Instruments). When I try to run the app I get the error message Failed to upload XXX.app in the bottom left corner of Xcode. The strange thing is it actually uploaded the app to the iPhone but it doesn't start it (after this… >>> More

Related posts about visible

Making a Label Visible/Not Visible in Delphi

as seen on Stack Overflow - Search for 'Stack Overflow'
I would like a button to change a label between being visible and not visible when clicked. I Tried the following code, but it doesnt work: Var: Hidden : Boolean; Begin If Hidden = True Then Begin Label6.Visible := True; Hidden := False; End; If Hidden = False … >>> More
ajax tabcontainer with button postback problem

as seen on Stack Overflow - Search for 'Stack Overflow'
I have a dropdownlist in my web page and two command buttons and a tabcontainer. The tabcontainer does not appear after the load of page according to my code. Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load If Not IsPostBack Then … >>> More
Responsive Inline Elements with Twitter Bootstrap

as seen on Geeks with Blogs - Search for 'Geeks with Blogs'
Originally posted on: http://geekswithblogs.net/MightyZot/archive/2013/11/12/responsive-inline-elements-with-twitter-bootstrap.aspxTwitter Boostrap is a responsive css platform created by some dudes affiliated with Twitter and since supported and maintained by an open source following. I absolutely… >>> More
making control in user control visible=false on mouse over

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi Everybody, More I have this datalist in a user control i want when i keep mouse over "More", it should be invisible. it is working on .aspx page not on user control. How to do this… >>> More
.NET C# how to loop through some lable to set their attribute

as seen on Stack Overflow - Search for 'Stack Overflow'
How do I do this in a loop. protected void ddlTool_SelectedIndexChanged(object sender, EventArgs e) { lblTool1.Visible = false; txtTool1.Visible = false; lblTool2.Visible = false; txtTool2.Visible = false; lblTool3.Visible = false; txtTool3.Visible = false; lblTool4.Visible… >>> More