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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Sunday, October 25, 2009
Sunday, September 20, 2009
Extra Mouse click in GIMP on OS X
Found this tip while searching for something else about GIMP. The default setup for GIMP on OS X requires a user to click on any of the app windows (toolbox, image window, ..) twice to edit it. This setting eliminates that extra click.
http://www.macosxhints.com/article.php?story=20090817083346589
In summary -
X11 -> Preferences -> Windows -> 'Check' Click through inactive Windows
Many many thanks to the anonymous poster. This will eliminate a lot of wear and tear of my fingers.
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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