Been intending to write this for some time now. Here is a short list of things to watch out for when starting with Objective C for iPhone. The list is targeted at Java programmers beginning Objective C. Its written on my work blog.
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Showing posts with label iphone_sdk. Show all posts
Showing posts with label iphone_sdk. Show all posts
Sunday, October 25, 2009
Saturday, February 07, 2009
Programmatically Taking a Screenshot in iPhone
It took me some time to find the code for this. Thought I'd share it here. The following code takes a screen capture of the currently visible portions of a UITableView but its applicable to any view.
UIGraphicsBeginImageContext(self.tableView.bounds.size);
[self.tableView.layer renderInContext:UIGraphicsGetCurrentContext()];
UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext();
//UIImageWriteToSavedPhotosAlbum(viewImage, nil, nil, nil);
UIGraphicsEndImageContext();
The commented out line saves the photo to a the Photos application on the iPhone.
UIGraphicsBeginImageContext(self.tableView.bounds.size);
[self.tableView.layer renderInContext:UIGraphicsGetCurrentContext()];
UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext();
//UIImageWriteToSavedPhotosAlbum(viewImage, nil, nil, nil);
UIGraphicsEndImageContext();
The commented out line saves the photo to a the Photos application on the iPhone.
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