UIAlertView［警告框］ ［代理协议型］UIActionSheet ［表单视图］［代理协议型］

//
//  ViewController.h
//  UIAlertViewAndUIActionSheet
//
//  Created by hehe on 15/9/21.
//  Copyright (c) 2015年 wang.hehe. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface ViewController : UIViewController<UIAlertViewDelegate,UIActionSheetDelegate>

@end

//
//  ViewController.m
//  UIAlertViewAndUIActionSheet
//
//  Created by hehe on 15/9/21.
//  Copyright (c) 2015年 wang.hehe. All rights reserved.
//

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    [self creatButton];

}

#pragma mark    ----------------------创建一个button
- (void)creatButton
{
    UIButton *alertButton = [[UIButton alloc] initWithFrame:CGRectMake(50, 100, 60, 30)];
    
    [self.view addSubview:alertButton];
    
    alertButton.backgroundColor = [UIColor grayColor];
    
    [alertButton setTitle:@"弹出警告框" forState:UIControlStateNormal];
    
    [alertButton setTitleColor:[UIColor redColor] forState:UIControlStateNormal];
    
    alertButton.titleLabel.adjustsFontSizeToFitWidth = YES;
    
    [alertButton addTarget:self action:@selector(showAlert) forControlEvents:UIControlEventTouchUpInside];
    
    
    
    //*******************************************
    UIButton *actionBtn = [[UIButton alloc] initWithFrame:CGRectMake(20, 200, 200, 30)];
    
    [self.view addSubview:actionBtn];
    
    actionBtn.backgroundColor = [UIColor grayColor];
    
    [actionBtn setTitle:@"弹出表单" forState:UIControlStateNormal];
    
    [actionBtn setTitleColor:[UIColor redColor] forState:0];
    
    actionBtn.titleLabel.adjustsFontSizeToFitWidth = YES;
    
    [actionBtn addTarget:self action:@selector(showActionSheet) forControlEvents:UIControlEventTouchUpInside];
    
}

- (void)showActionSheet
{
    UIActionSheet *as = [[UIActionSheet alloc] initWithTitle:@"你确定要删除？" delegate:self cancelButtonTitle:@"取消" destructiveButtonTitle:@"删除" otherButtonTitles:@"确定", nil];
    
    [as showInView:self.view];
}
- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex
{
    NSLog(@"10");
    //当button 押下的时候调用
    NSLog(@"index = %ld",buttonIndex);
}

- (void)actionSheetCancel:(UIActionSheet *)actionSheet
{
    NSLog(@"11");
}

- (void)willPresentActionSheet:(UIActionSheet *)actionSheet
{
    NSLog(@"12");
}

- (void)didPresentActionSheet:(UIActionSheet *)actionSheet
{
    NSLog(@"13");
}//

- (void)actionSheet:(UIActionSheet *)actionSheet willDismissWithButtonIndex:(NSInteger)buttonIndex
{
    NSLog(@"14");

}

- (void)actionSheet:(UIActionSheet *)actionSheet didDismissWithButtonIndex:(NSInteger)buttonIndex
{
    NSLog(@"15");

}

////////////////////////////////////////////////////

- (void)showAlert
{
    //[注]不需要添加到父视图，不需要设定坐标
    UIAlertView *av = [[UIAlertView alloc] initWithTitle:@"警告" message:@"输入的密码错误" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"确定", @"ok",nil];
    
    
    [av show];
    
    av.alertViewStyle = UIAlertViewStyleLoginAndPasswordInput;
    av.tag =10;
}

#pragma mark    ------------------------alert view delegate
- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
{
    //当button 押下的时候调用
    NSLog(@"index = %ld",buttonIndex);

}

- (void)willPresentAlertView:(UIAlertView *)alertView
{
    NSLog(@"will present");
}

- (BOOL)alertViewShouldEnableFirstOtherButton:(UIAlertView *)alertView
{
    UITextField *tf = [alertView textFieldAtIndex:0];
    if([tf.text isEqualToString:@"123"])
        return YES;
    else
        return NO;
}

- (void)didPresentAlertView:(UIAlertView *)alertView
{
     NSLog(@"0");
}
// after animation

- (void)alertView:(UIAlertView *)alertView willDismissWithButtonIndex:(NSInteger)buttonIndex
{
    NSLog(@"1");
}
// before animation and hiding view

- (void)alertView:(UIAlertView *)alertView didDismissWithButtonIndex:(NSInteger)buttonIndex
{
    NSLog(@"2");

}
// after animation
@end