1 #import "ViewController.h"  2   3 @interface ViewController ()
     
        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
     
       *)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