This is the main programming language used by apple for the os x and ios operating systems and their respective apis, cocoa and cocoa touch. Objective c ajoute le concept dobjets au langage c standard. Objectivec is a generalpurpose, objectoriented programming language that adds smalltalkstyle messaging to the c programming language. Like in c, each line of objectivec code must end with a semicolon. I just download pdf from and i look documentation so good. Blocks of code are written within a set of curly brackets. Objectivec is the primary programming language you use when writing software for os x and ios. Theoretically, it is possible to use objectivec without cocoa. Objectivec was invented in the early 1980s as a means to add object oriented programming capabilities to c. A souptonuts info on the objectivec programming language objectivec is the language behind cocoa and cocoa contact, which is the framework of functions written for the macintosh, ipod contact, iphone, and ipad platforms. And tried to make sure that every program example in this book was leak free.
I show this uiview layer on top of the pdf reader view, so it lets the user to draw things on it. How to save a pdf file with its annotations in objectivec. The objectivec programming language apple developer. See credits at the end of this book whom contributed to the various chapters. The objectivec notes for professionals book is compiled from stack overflow documentation, the content is written by the beautiful people at stack overflow. Part of the developer reference assortment masking the preferred apple topics. The inventors, brad cox and tom love, thought that smalltalk an early oo language could provide the tools needed for truly reusable code and for creating development environments for systems developers.
Objectivec 12 objectivec is generalpurpose language that is developed on top of c programming language by adding features of small talk programming language making it an objectoriented language. Michael trent has been programming in objective c since 1997and. It is primarily used in developing ios and mac os x operating systems as well as its applications. Getting started with objectivec language, basic data types, enums, structs. This reference has been prepared for the beginners to help them understand basic to advanced concepts. Its a superset of the c programming language and provides objectoriented capabilities and a dynamic runtime.
664 1482 325 1160 736 1429 552 826 19 724 1285 79 176 733 1127 906 431 37 301 33 1159 410 1254 80 1172 308 1534 952 191 363 1241 944 1448 1047 1197 628 183 614 1280