iOS UI-AlertView（警示框）和ActionSheet（选择框、操作表单）

  1 #import "ViewController.h"
  2 
  3 @interface ViewController ()<UIAlertViewDelegate,UIActionSheetDelegate>
  4 
  5 @end
  6 
  7 @implementation ViewController
  8 
  9 #pragma mark - 生命周期
 10 - (void)viewDidLoad {
 11     [super viewDidLoad];
 12     // 创建展示AlertView的按钮
 13     UIButton *btn = [UIButton buttonWithType:UIButtonTypeSystem];
 14     [btn setTitle:@"AlertView" forState:UIControlStateNormal];
 15     [btn setFrame:CGRectMake(130, 150, 100, 100)];
 16     //btn.center =self.view.center;
 17     [btn setBackgroundColor:[UIColor orangeColor]];
 18     [btn addTarget:self action:@selector(showAlert) forControlEvents:UIControlEventTouchUpInside];
 19     
 20     // 创建展示ActionSheet的按钮
 21     [self.view addSubview:btn];
 22     UIButton *btn1 = [UIButton buttonWithType:UIButtonTypeSystem];
 23     [btn1 setTitle:@"ActionSheet" forState:UIControlStateNormal];
 24     [btn1 setFrame:CGRectMake(130, 300, 100, 100)];
 25     [btn1 setBackgroundColor:[UIColor redColor]];
 26     [btn1 addTarget:self action:@selector(showActionSheet) forControlEvents:UIControlEventTouchUpInside];
 27     [self.view addSubview:btn1];
 28     
 29 
 30 }
 31 #pragma mark - 关联事件
 32 
 33 #pragma mark - 警示框
 34 - (void)showAlert
 35 {
 36     /*
 37      
 38      UIAlertView警示框控件
 39      注意
 40      不用创建全局的Alert
 41      尽量不要关联逻辑操作，如果关联实现协议：UIAlertViewDelegate以及里面的协议方法
 42      
 43      */
 44     UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"错误"
 45                                                     message:@"网络连接失败"
 46                                                    delegate:self
 47                                           cancelButtonTitle:@"好的"
 48                                           otherButtonTitles:@"方案1",@"方案2",@"方案3", nil];
 49     
 50     [alert show];
 51 }
 52 #pragma mark - 选择框
 53 - (void)showActionSheet
 54 {
 55     /*
 56      
 57      UIActionSheet 选择框
 58      注意
 59      不用创建全局的UIActionSheet
 60      尽量关联逻辑操作，如果关联实现协议：UIActionSheetDelegate以及里面的协议方法
 61      
 62      */
 63 
 64     UIActionSheet *action = [[UIActionSheet alloc] initWithTitle:@"请选择你的节操充值额度"
 65                                                         delegate:self
 66                                                cancelButtonTitle:@"算了，不要了"
 67                                           destructiveButtonTitle:@"18.00RMB"
 68                                                otherButtonTitles:@"19.00RMB",@"20.00RMB",@"21.00RMB", nil];
 69     
 70     [action showInView:self.view];
 71 }
 72 
 73 #pragma mark - 选择框代理方法
 74 - (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex
 75 {
 76     switch (buttonIndex) {
 77         case 0:
 78             NSLog(@"第一种情况");
 79             break;
 80         case 1:
 81             NSLog(@"第二种情况");
 82             break;
 83         case 2:
 84             NSLog(@"第三种情况");
 85             break;
 86         case 3:
 87             NSLog(@"第四种情况");
 88             break;
 89         case 4:
 90             NSLog(@"第五种情况");
 91             break;
 92             
 93         default:
 94             break;
 95     }
 96 }
 97 #pragma mark - 警示框代理方法
 98 - (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
 99 {
100     switch (buttonIndex) {
101         case 0:
102             NSLog(@"序号为0");
103             break;
104         case 1:
105             NSLog(@"序号为1");
106             break;
107         case 2:
108             NSLog(@"序号为2");
109             break;
110         case 3:
111             NSLog(@"序号为3");
112             break;
113             
114         default:
115             break;
116     }
117 }
118 
119 
120 - (void)didReceiveMemoryWarning {
121     [super didReceiveMemoryWarning];
122     // Dispose of any resources that can be recreated.
123 }
124 
125 @end

  1 //
  2 //  ViewController.m
  3 //  IOS_0226_UIAlertController
  4 //
  5 //  Created by ma c on 16/2/26.
  6 //  Copyright © 2016年 博文科技. All rights reserved.
  7 //
  8 
  9 #import "ViewController.h"
 10 
 11 @interface ViewController ()
 12 @property (weak, nonatomic) IBOutlet UIButton *btnClick;
 13 
 14 @end
 15 
 16 @implementation ViewController
 17 
 18 /*
 19  UIPresentationController ->管理所有Modal出来的控制器
 20  
 21  1.管理所有通过presentViewController方法显示出来的控制器
 22  2.只要调用了presentViewController方法就会创建UIPresentationController
 23  3.管理/监听切换控制器的过程
 24  4.属性
 25  //当前控制器
 26  @property(nonatomic, strong, readonly) UIViewController *presentingViewController;
 27  //切换的控制器
 28  @property(nonatomic, strong, readonly) UIViewController *presentedViewController;
 29  //切换的控制器视图
 30  - (nullable UIView *)presentedView;
 31  
 32  5.UIViewController属性
 33  
 34  @property (nonatomic,readonly) UIPresentationController *presentationController
 35  @property (nonatomic,readonly) UIPopoverPresentationController *popoverPresentationController
 36  
 37  这两个属性指向UIPresentationController
 38 
 39  */
 40 
 41 - (void)viewDidLoad {
 42     [super viewDidLoad];
 43     self.view.backgroundColor = [UIColor cyanColor];
 44     
 45 
 46 }
 47 
 48 - (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
 49 {
 50     //[self createAlertVC];
 51     [self createPopoverPresentationVC];
 52 }
 53 
 54 - (void)createAlertVC
 55 {
 56     //警示框
 57     UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"提示" message:@"好久不见，你又不乖了。" preferredStyle:UIAlertControllerStyleAlert];
 58     //添加按钮
 59     UIAlertAction *action = [UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDestructive handler:^(UIAlertAction * _Nonnull action) {
 60         NSLog(@"点击了确定按钮");
 61     }];
 62 
 63     [alert addAction:action];
 64     
 65     [alert addAction:[UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
 66         NSLog(@"点击了取消按钮");
 67     }]];
 68     
 69     //添加文本框
 70     [alert addTextFieldWithConfigurationHandler:^(UITextField * _Nonnull textField) {
 71         textField.borderStyle = UITextBorderStyleRoundedRect;
 72         textField.textColor = [UIColor redColor];
 73         textField.text = @"123";
 74         [textField addTarget:self action:@selector(uernameChange:) forControlEvents:UIControlEventEditingChanged];
 75         
 76     }];
 77     [alert addTextFieldWithConfigurationHandler:^(UITextField * _Nonnull textField) {
 78         textField.borderStyle = UITextBorderStyleRoundedRect;
 79 
 80         textField.secureTextEntry = YES;
 81         textField.text = @"123";
 82     }];
 83     [self presentViewController:alert animated:nil completion:nil];
 84 }
 85 
 86 - (void)uernameChange:(UITextField *)textField
 87 {
 88     NSLog(@"%@",textField.text);
 89 }
 90 
 91 
 92 - (void)createPopoverPresentationVC
 93 {
 94     UIAlertController *actionSheet = [UIAlertController alertControllerWithTitle:@"提示" message:@"请选择操作" preferredStyle:UIAlertControllerStyleActionSheet];
 95     //设置展示形式
 96     actionSheet.modalTransitionStyle = UIModalPresentationPopover;
 97     self.popoverPresentationController.sourceView = self.btnClick;
 98     self.popoverPresentationController.sourceRect = self.btnClick.bounds;
 99     
100     
101     UIAlertAction *action = [UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDestructive handler:^(UIAlertAction * _Nonnull action) {
102         NSLog(@"点击了确定按钮");
103     }];
104     [actionSheet addAction:action];
105     
106     [actionSheet addAction:[UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
107         NSLog(@"点击了取消按钮");
108     }]];
109     
110     [self presentViewController:actionSheet animated:nil completion:nil];
111     
112 }
113 
114 
115 
116 @end