伟大的UIKit / Objective-C代码片段 [英] Great UIKit/Objective-C code snippets

问题描述

Objective-C iPhone / iPod touch / iPad开发的新手，但我开始在单行代码中发现很多功能，例如：

New to Objective-C iPhone/iPod touch/iPad development, but I'm starting to discover lots of power in one-liners of code such as this:

[UIApplication sharedApplication].applicationIconBadgeNumber = 10;

这将在您的应用iphone上显示该数字为10的独特红色通知徽章。

Which will display that distinctive red notification badge on your app iphone with the number 10.

请在这里为您的iPhone / iPod touch / iPad分享Objective-C中您最喜欢的一个或两个内容。 仅限PUBLIC API 。

Please share you favorite one or two-liners in Objective-C for the iPhone/iPod touch/iPad here. PUBLIC APIs ONLY.

推荐答案

在Safari中打开网址

[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"http://www.google.com/"]];

隐藏状态栏

[[UIApplication sharedApplication] setStatusBarHidden:YES animated:NO];

拨打电话号码（仅限iPhone）

[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"tel://9662256888"]];

启动Apple Mail

[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"mailto://[e-mail]"]];

停止回应触摸事件

[[UIApplication sharedApplication] beginIgnoringInteractionEvents];

激活触摸事件

[[UIApplication sharedApplication] endIgnoringInteractionEvents];

显示网络活动指标

[UIApplication sharedApplication].networkActivityIndicatorVisible = YES;

隐藏网络活动指标

[UIApplication sharedApplication].networkActivityIndicatorVisible = NO;

防止iPhone进入睡眠模式

[UIApplication sharedApplication].idleTimerDisabled = YES;

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