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iOS App Programming Guide phần 1

mảng để chứa màu đỏ, xanh lá cây, xanh da trời, và giá trị alpha, tất cả các đại diện như các giá trị CGFloat. Số lượng các yếu tố trong mảng là liên kết chặt chẽ với hai tham số tiếp theo.Về cơ bản, bạn phải bao gồm đủ các giá trị trong mảng này để xác định số địa điểm trong tham số thứ tư. | iOS App Programming Guide General 2011-10-12 Apple Inc. 2011 Apple Inc. All rights reserved. No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means mechanical electronic photocopying recording or otherwise without prior written permission of Apple Inc. with the following exceptions Any person is hereby authorized to store documentation on a single computer for personal use only and to print copies of documentation for personal use provided that the documentation contains Apple s copyright notice. The Apple logo is a trademark of Apple Inc. No licenses express or implied are granted with respect to any of the technology described in this document. Apple retains all intellectual property rights associated with the technology described in this document. This document is intended to assist application developers to develop applications only for Apple-labeled computers. Apple Inc. 1 Infinite Loop Cupertino CA 95014 408-996-1010 App Store is a service mark of Apple Inc. Apple the Apple logo AirPlay Bonjour Cocoa Instruments iPhone iPod iPod touch iTunes Keychain Mac Mac OS Macintosh Numbers Objective-C Sand and Xcode are trademarks of Apple Inc. registered in the United States and other countries. iPad and Retina are trademarks of Apple Inc. IOS is a trademark or registered trademark of Cisco in the U.S. and other countries and is used under license. Intel and Intel Core are registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. OpenGL is a registered trademark of Silicon Graphics Inc. Times is a registered trademark of Heidelberger Druckmaschinen AG available from Linotype Library GmbH. UNIX is a registered trademark of The Open Group Even though Apple has reviewed this document APPLE MAKES NO WARRANTY OR REPRESENTATION EITHER EXPRESS OR IMPLIED WITH RESPECT TO THIS DOCUMENT ITS QUALiTy accuracy merchantabiliTy or fitnesSfora particular PURPOSE. AS A RESULT .