浅谈iPhone 中Push 功能原理推送通知(收藏)

iphone

iPhone 中Push 功能原理推送通知是本文要介绍的内容，主要讲述了PUSH的一些功能，具体内容先来看本文讲述。 Push原理 (以下绝大多数内容参考自、图片来自iPhone OS Reference Library) 机制简介 Push 的工作机制可以简单的概括为下图图中， Provider是指某个iPhone软件的Push服务器。 APNS 是Apple Push Notification Service(Apple Push服务器)的缩写，下文统一使用该缩写。因此，整个过程可以分为三个阶段，下面用大家常用的聊天客户端BeejiveIM来说明。(Beeji ...

2011-11-21 19:55
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iPhone 开发实现图片显示圆角效果

/****设置图片圆角begin***/ asyncImage.layer.masksToBounds = YES; asyncImage.layer.cornerRadius = 5.0; asyncImage.layer.borderWidth = 0.5; asyncImage.layer.borderColor = [[UIColor grayColor] CGColor];

2011-11-21 19:45
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iphone camera

iphone camera iphone cameraiphone camera iphone camera iphone camera

2011-11-21 12:23
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searchbar

Apple Objective-C

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2011-10-27 19:54
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appirater

Getting Started Add the Appirater code into your project Add the CFNetwork and SystemConfiguration frameworks to your project Call [Appirater appLaunched:YES] at the end of your app delegate's application:didFinishLaunchingWithOptions: method. Call [Appirater appEnteredForeground:YES ...

2011-10-24 22:43
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模糊搜索

scope

- (void)filterContentForSearchText:(NSString*)searchText scope:(NSString*)scope { [self.filteredData removeAllObjects]; // First clear the filtered array. for (Product *product in tableData) { NSPredicate *predicate = [NSPredicate predicateWithFormat: @"(SELF conta ...

2011-10-24 22:25
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如何实现点击UIWebView中链接调用Safari打开目标链接

scheme

-(BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType; { NSURL *requestURL =[ [ request URL ] retain ]; if ( ( [ [ requestURL scheme ] isEqualToString: @"http" ] || [ [ requestURL scheme ] isEqua ...

2011-10-24 11:05
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navigation

animation

1. 首先要明确的是,不使用pushViewController的默认动画,所以在调用这个函数时,要将animated设置为NO. 2. 使用普通的来CATransition实现转换效果,代码如下: CATransition *animation = [CATransition animation]; [animation setDuration:0.3]; [animation setType: kCATransitionMoveIn]; [animation setSubtype: kCATransitionFromTop]; [animation set ...

2011-10-19 22:13
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viewcontroller

keywindow

在静态函数中如何获取当前视图? [[UIApplication sharedApplication].keyWindow.rootViewController ] 怎么获取当前的视图controller？ 01.-(void) myCommonMethod:(UIViewController*) aViewController 02.{ 03. if([aViewController isMemberOfClass:NSClassFromString(@"MyFirstController")]) 04. { 05. } 06. ...

2011-10-19 12:27
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当用户按下HOME键时

presshome

#pragma mark - #pragma mark 按下HOME键时的通知 -(void)pressHome:(NSNotification *) notification{ NSLog(@'pressHome......'); } #pragma mark - View lifecycle - (void)viewDidLoad { //注册一个通知，当用户按下HOME键时执行pressHome:方法 UIApplication *app = [UIApplication sharedApplication]; [[NSNotif ...