目前为止,已经知道3种IOS弹框:
1、系统弹框-底部弹框 UIActionSheet
(1)用法:处理用户非常危险的操作,比如注销系统等
(2)举例:
UIActionSheet *sheet = [[UIActionSheet alloc] initWithTitle:@"确定要注销?" delegate:self cancelButtonTitle:@"取消" destructiveButtonTitle:@"确定" otherButtonTitles:nil, nil];
[sheet showInView:self.view];
[sheet showInView:self.view];
(3)效果
![技术分享](file:///C:/Users/%E2%80%98/AppData/Local/YNote/data/exclusivezhang@163.com/621899e40c3242c5b7c8a369d8888cae/q0cs5ot~vix.jpeg)
![技术分享](https://images0.cnblogs.com/blog2015/747198/201504/212114570788003.jpg)
2、系统弹框-中间弹框
(1)用法:处理一般提醒,如果非必须,尽量不用,影响友好性。
(2)举例:
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"警告" message:@"账号或者密码错误" delegate:nil cancelButtonTitle:@"好的" otherButtonTitles:nil, nil];
[alert show];
[alert show];
(3)效果:
![技术分享](file:///C:/Users/%E2%80%98/AppData/Local/YNote/data/exclusivezhang@163.com/e133397614fc4038bf1ef412917bc37a/ky2nw@m475x.jpeg)
在登陆界面,输入账号密码,如果有一项输入错误,弹框提示,必须点击“好的”才能重新输入
![技术分享](https://images0.cnblogs.com/blog2015/747198/201504/212115272182797.jpg)
3、三方框架MBProgressHuD弹框-中间弹框
(1)用法:需要引入该框架文件,这里在它基础上,写了一个分类,头文件“MBprogressHUD+MJ.h”,更方便方法调用。其他需要调用方法的文件包含该头文件即可。优点在于只提示1秒钟,然后迅速消失,不需要用户去点击。比较友好。
![技术分享](file:///C:/Users/%E2%80%98/AppData/Local/YNote/data/exclusivezhang@163.com/78f149ea2e7c444f913e65a25397f74d/d%5B%7Dh1psnu8c.jpeg)
(2)举例:
[MBProgressHUD showError:@"密码错误"];
[MBProgressHUD showMessage:@"登录中...."];
[MBProgressHUD showMessage:@"登录中...."];
(3)效果:
![技术分享](file:///C:/Users/%E2%80%98/AppData/Local/YNote/data/exclusivezhang@163.com/5d0d2fc38c2d41e189d521e0598ac97d/1x@%5Bj)6ks)q.jpeg)
![技术分享](https://images0.cnblogs.com/blog2015/747198/201504/212115541256176.jpg)