CS193P - Lecture 10 - iPhone Application Development Performance pps

... alloc/init/release • In previous example, perhaps use a single NSMutableString? iPhone Performance Overview • iPhone applications must work with ■ Limited memory ■ Slow or unavailable network resources ■ Less ... mind • Use performance tools to figure out where to invest Demo: Finding Leaks with Instruments More on Memory Performance • “Memory Usage Performance Guidelines” https:...

Ngày tải lên: 12/07/2014, 12:20

... Services Core OS Cocoa Touch iPhone OS Thursday, April 2, 2009 iPhone Developer University Program • Stanford has joined the iPhone Developer University Program • Free on-device development for students ... Runtime) Objective-C [textView setStringValue: @“Hello”]; Frameworks Foundation UIKit Thursday, April 2, 2009 Media Core Services Core OS Cocoa Mac OS X Thursday, April 2, 2009 Wel...

Ngày tải lên: 12/07/2014, 12:20

... creating iPhone, iPod touch, iPad, and OS X applications. Among others, there are tools for user-interface design, source-code editing and manage- ment, integrated debugging, and perfor- mance ... run your application outside of the iPhone Simulator on an actual device (iPhone, iPod, or iPad). You would generally create three provisioning profiles: a Development profile asso- ciate...

Ngày tải lên: 29/03/2014, 06:20

... 99 Instantiating a Storyboard 100 Loading View Controllers within a Storyboard 100 Segues 100 Passing Data 101 Returning Data 101 Instantiating Other View Controllers 102 Performing Segues Manually. ... source code counterparts. Xcode 3 used Cmd-Opt-Up Arrow; Xcode 4 uses Cmd-Ctrl-Up Arrow. The shortcut for Build and Run, which was Cmd-Return, is now Cmd-R. Publisher’s Acknowled...

Ngày tải lên: 24/04/2014, 09:57

... Canada ISBN: 97 8-0 -4 7 0-8 781 9-4 ISBN: 97 8-1 -1 1 8-0 083 4-8 (ebk) ISBN: 97 8-1 -1 1 8-0 083 5-5 (ebk) ISBN: 97 8-1 -1 1 8-0 070 6-8 (ebk) Manufactured in the United States of America 10 9 8 7 6 5 4 3 2 1 No part of ... 230 Development Steps: A Simple Network Browser 230 Peer-to-Peer Device Communications 244 Development Steps: Peer-to-Peer Device Co...

Ngày tải lên: 05/05/2014, 16:35

... declarations - (NSString *)name; - (void)setName:(NSString *)value; - (int)age; - (void)setAge:(int)age; - (BOOL)canLegallyVote; - (void)castBallot; : NSObject Autoreleasing Objects • Calling -autorelease ... valid • +alloc and -copy create objects with retain count == 1 • -retain increments retain count • -release decrements retain count • When retain count reaches 0,...

Ngày tải lên: 12/07/2014, 12:20

... (void)applicationWillResignActive:(UIApplication * )application; - (BOOL )application: (UIApplication * )application handleOpenURL:(NSURL *)url; - (void)applicationDidFinishLaunching:(UIApplication * )application; - (void)applicationWillTerminate:(UIApplication ... participates in application lifecycle • Can implement various methods which UIApplication will call • Examples:...

Ngày tải lên: 12/07/2014, 12:20

... Parser/Generator for Objective-C” http://code.google.com/p/json-framework/ • “Introducing JSON” http://www.json.org/ JSON CS193P - Lecture 9 iPhone Application Development Data in Your iPhone App More on ... Writing - (BOOL)writeToFile:(NSString *)aPath atomically:(BOOL)flag; - (BOOL)writeToURL:(NSURL *)aURL atomically:(BOOL)flag; // Reading - (id)initWithContentsO...

Ngày tải lên: 12/07/2014, 12:20