提示框

ViewController.m

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {

[super viewDidLoad];

// Do any additional setup after loading the view, typically from a nib.

//初始化图片视图

UIImageView *imageView = [[UIImageView alloc]initWithFrame:[UIScreen mainScreen].bounds];

//设置与用户交互

imageView.userInteractionEnabled = YES;

[self.view addSubview:imageView];

UIButton *btn = [UIButton buttonWithType:UIButtonTypeRoundedRect];

btn.frame = CGRectMake(300, 450, 100, 60);

btn.center = CGPointMake(imageView.frame.size.width/2, 500);

[btn setTitle:@"弹出提示" forState:UIControlStateNormal];

btn.backgroundColor = [UIColor whiteColor];

btn.layer.cornerRadius = 20;

btn.layer.masksToBounds = YES;

btn.layer.borderWidth = 1;

btn.layer.borderColor = [UIColor blackColor].CGColor;

[btn addTarget:self action:@selector(click) forControlEvents:UIControlEventTouchUpInside];

[imageView addSubview:btn];

}

-(void)click{

UIActionSheet *sheet = [[UIActionSheet alloc]initWithTitle:@"提示" delegate:self cancelButtonTitle:@"取消" destructiveButtonTitle:@"注册" otherButtonTitles: nil];

[sheet showInView:self.view];

}

- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex{

if (buttonIndex == 0) {

UIAlertView *alert = [[UIAlertView alloc]initWithTitle:@"注册新用户" message:@"" delegate:self cancelButtonTitle:@"确定" otherButtonTitles: nil];

alert.alertViewStyle = UIAlertViewStyleLoginAndPasswordInput;

[alert show];

}

}

- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex{

UITextField *username = [alertView textFieldAtIndex:0];

UITextField *password = [alertView textFieldAtIndex:1];

NSLog(@"%@-\n--%@",username.text,password.text);

[[[UIAlertView alloc]initWithTitle:@"" message:[NSString stringWithFormat:@"用户名为：%@\n密码为：%@",username.text,password.text] delegate:nil cancelButtonTitle:@"确定" otherButtonTitles: nil] show];

}