iOS 8 后 UIAlertView 和  UIActionSheet 都被合并到了 UIAlertController里面. 文档原文: Important: UIAlertView is deprecated in iOS 8. (Note that UIAlertViewDelegate is also deprecated.) To create and manage alerts in iOS 8 and later, instead use UIAlertController wi…

Important: UIAlertView is deprecated in iOS 8. (Note that UIAlertViewDelegate is also deprecated.) To create and manage alerts in iOS 8 and later, instead use UIAlertController with a preferredStyle ofUIAlertControllerStyleAlert. 在Xcode7中使用UIAlertVie…

iphone中常用的消息提示控件,就是UIActionSheet和UIAlertView了,在Web开发中,UIActionSheet就像是confirm(),而UIAlertView就像是alert()一样 UIActionSheet UIAlertView 但在iphone中,这两个控件的功能可以自定义 定义两个控件事件方法 #import <UIKit/UIKit.h> @interface ViewController : UIViewController - (IBAction)sh…

UIAlertController * cancleAlertController = [UIAlertController alertControllerWithTitle:nil message:@"你确定退出登录?" preferredStyle:UIAlertControllerStyleAlert]; //    第一种添加方法 [cancleAlertController addAction:[UIAlertAction actionWithTitle:@"取消&…

旧方法 NSString *encoded = [url stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]; iOS9  之后的   新方法 //    NSString *encoded = [url stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]]; //      [NS…

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1. Important: UIAlertView is deprecated in iOS 8. (Note that UIAlertViewDelegate is also deprecated.) To create and manage alerts in iOS 8 and later, instead use UIAlertController with a preferredStyle of UIAlertControllerStyleAlert. //UIAlertView和UI…

1. Important: UIAlertView is deprecated in iOS 8. (Note that UIAlertViewDelegate is also deprecated.) To create and manage alerts in iOS 8 and later, instead use UIAlertController with a preferredStyle of UIAlertControllerStyleAlert. //UIAlertView和UI…

NSObject NSObject is the root class of most Objective-C class hierarchies. NSDataAsset The NSDataAsset class enables you to access an object from a data set type stored in an asset catalog. NSFileProviderExtension NSFileProviderExtension is the princ…

本文将从四个方面对IOS开发中UIAlertView与UIAlertController的用法进行讲解: 一.UIAlertView与UIAlertController是什么东东? 二.我们为什么要用UIAlertView或UIAlertController? 三.如何使用UIAlertView和UIAlertController? 四.阅读提醒. 一.UIAlertView与UIAlertController是什么东东? 一句话,在所有移动应用中,出现的提示窗一般都由UIAlertView或U…