I am attempting to take an image captured from the rear camera, apply a scaling transformation to it and then output a new image with the same size of the original but scaled up.
I\'m trying to add a little red line on the bottom of my UIView. I want the line to be a 1px line. Can someone tell me why the following code:
i try to undo myContext from save state then after i draw the line i call undo method to restore my context to previous but it report error
I need to show a modal view controller when users click a info button on the t开发者_如何转开发op right of my application.Add an action which you link to a rightBarButtonItem in your navigation contro
I just wanted to know what kind of UITableViewCell are on applications such as \"Mail\", and how to set one up. They seem to have much more length for extra text and other objects. A good sample proje
I want to know if I could play a mp3 file or mp4 (video) file t开发者_运维百科hrough an UIWebView by loading a simple url request. I have already tried sending the UIWebView to a video link (e.g. http
I have a fairly simple view hierarchy in my iPad app. Window -> RootView -> TableView / DetailView TableView and DetailView are siblings added as subviews (as per a solution to a previous question).
I am tr开发者_运维技巧ying to create an app where the user clicks on a download link through a UIWebView and it will present a pop-up saying \"do you want to download this file\". I just don\'t know h
I was wondering how I can override the UIActionSheet that appears when tapping and holding your finge开发者_开发知识库r on a link in an UIWebView (it shows the link and an open and copy button). I nee
problem in adding second UIbutton in cameraOverlayView ,herei am able to add the first button but not able to add second buttonwith following code
加载中,请稍侯......