In my app delegate I perform my updateData method using performSelecorInBackground:withObject. At the end, a notification is posted which tells an observer in my tableview to reload the data.
kCAFillModeBackwards The receiver clamps values befor开发者_运维技巧e zero to zero when the animation is completed.
Is it possible t开发者_运维百科o create a convincing sparks effect using a CAReplicatorLayer particle system with some randomness?
My project compiles and runs OK in debug mode, but when I switch to release x86_64 compiling, I get compiler errors for attempts to setBounds using NSRect. (The errors read “incompatible type for arg
I have a rounded UIImageView. When I add a shadow to it, I lose the rounded corner. How can I have a shadow with a rounded corner?
How can I make the buttons in an application draggable and droppable just like in OS\' home screen? So far I see two ways to animate stuff –
I have this code, and it is working exactly as desired: UIGraphicsBeginImageContext(self.bounds.size);
i am working with page curling effect .on click of a button i was able to transit the page(i.e between the UIViews).the following code depicts the same
I\'m making a PDF reader that looks like a real book. I have a UIImageView inside a scrollview as the book\'s background (imagine an open book with empty pages).The UIImageView\'s layer has 2 sublaye
I have a complex structure of CALayers forming a motion graphics s开发者_StackOverflowystem that can be manipulated by the user. This is being displayed in the main window as a part of the UI. I am lo
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