普通弹窗

1 #import "AppDelegate.h" 2  3 @interface AppDelegate () 4 @end 5 @implementation AppDelegate 6 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { 7      8     self.window = [[UIWindow alloc]initWithFrame:[[UIScreen mainScreen]bounds]]; 9     self.window.backgroundColor = [UIColor whiteColor];10     [self.window makeKeyAndVisible];11     12     // 新建提示框 (小诀窍：用换行符来撑大UIAlert)13     UIAlertView* alert = [[UIAlertView alloc]initWithTitle:@"提示框" message:@"hello word!\n\n\n\n\n\n\n\n\n\n" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"确定", nil];14     // 设置Alert的样式（一个文本输入框，一个密码框）15     [alert setAlertViewStyle:UIAlertViewStyleLoginAndPasswordInput];16 //    typedef  enum{17 //        UIAlertViewStyleDefault, // 默认样式18 //        UIAlertViewStyleLoginAndPasswordInput, // 有登陆效果的提示框（一个文本输入框，一个密码输入框）19 //        UIAlertViewStylePlainTextInput, // 文本输入框20 //        UIAlertViewStyleSecureTextInput // 密码输入框21 //    }UIAlertViewStyle22     23     // 创建UITextField来关联UIAlert的输入框并设置键盘响应的样式24     UITextField* field = [alert textFieldAtIndex:0];25     UITextField* field2 = [alert textFieldAtIndex:1];26     // 设置键盘类型27     field.keyboardType = UIKeyboardTypeNumberPad;28     field2.keyboardType = UIKeyboardTypeNumbersAndPunctuation;29     30     // 添加子视图 [UIAlert需都为nil] (加载控件) UIActivityIndicatorView31     UIActivityIndicatorView* activeView = [[UIActivityIndicatorView alloc]initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];32     activeView.center = CGPointMake(alert.bounds.size.width/2.0f, alert.bounds.size.height-40.f);33     [activeView startAnimating];34     [alert addSubview:activeView];35     alert.backgroundColor = [UIColor redColor];36     // 展示提示框37     [alert show];38 39     return YES;40 }

UIButton弹窗

1 #import "AppDelegate.h" 2  3 @interface AppDelegate ()
     
       // 签UIAlertViewDelegate协议 4  // 协议方法按住comm键，用鼠标点进去看 5 @end 6 @implementation AppDelegate 7 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { 8     // Override point for customization after application launch 9     self.window = [[UIWindow alloc]initWithFrame:[[UIScreen mainScreen]bounds]];10     self.window.backgroundColor = [UIColor whiteColor];11     [self.window makeKeyAndVisible];12     13     // 设置按钮，并初始化位置及大小14     UIButton* button = [[UIButton alloc]initWithFrame:CGRectMake(20, 20, 80, 30)];15     // 设置按钮背景颜色16     button.backgroundColor = [UIColor blueColor];17     // 设置显示文本及状态18     [button setTitle:@"AlertView" forState:UIControlStateNormal];19     // 添加按钮点击事件20     [button addTarget:self action:@selector(showAlert:) forControlEvents:UIControlEventTouchUpInside];21     // 添加按钮倒窗口22     [self.window addSubview:button];23     return YES;24 }25 // 响应按钮点击事件26 // 提示框也可以自定义，使用UI View及各种空件的排列组合实现27 // Title:标题；message:内容；delegate:代理；其他的是按钮，按钮可以多个也可以没有28 - (void)showAlert:(id)sender{29     // 索引时，“确定”的下标为0，“取消”的下标为1，以此类推。但显示时，@”确定“排列在最后，其他的安顺序排列30     UIAlertView* alert = [[UIAlertView alloc]initWithTitle:@"提示" message:@"提示内容" delegate:self cancelButtonTitle:@"确定" otherButtonTitles:@"取消", nil];31     32     /* 如果设置按钮为空时，想让提示框消失可以使用延时器设置好间隔时间让提示框自动消失；33      UIAlertView* alert = [[UIAlertView alloc]initWithTitle:@"提示" message:@"提示内容" delegate:self cancelButtonTitle:nil otherButtonTitles:nil];34      // 延时器 ， repeats：循环  监听dian:事件35      [NSTimer scheduledTimerWithTimeInterval:2.0f target:self selector:@selector(dian:) userInfo:aler repeats:NO]; */36     // 展示提示框37     [alert show];38 }39 /* - (void)dian:(NSTimer*)sender{40     NSLog(@"监视器");41     NSLog(@"%@",sender.userInfo);42     // 取消提示框  sender.userInfo提示框对象43     [sender.userInfo dismissWithClickedButtonIndex:0 animated:YES];44 } */45 46 // 使用UIAlertViewDelegate协议方法47 - (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex{48     // 点击按钮后，获取按钮的索引值49     switch (buttonIndex) {50         case 0:{51             // 点击按钮后可以执行操作，如跳转页面......等等52             NSLog(@"您点击了确定按钮");53             break;54         }case 1:{55             NSLog(@"您点击了取消按钮");56         }57         default:58             break;59     }60 }61 // 实现取消按钮的监听62 - (void)alertViewCancel:(UIAlertView *)alertView{63     NSLog(@"您点击的取消按钮!!!");64 }
     

代理弹窗

1 #import "AppDelegate.h" 2  3 @interface AppDelegate () 
     
       // 签UIAlertViewDelegate协议 4 // 协议方法按住comm键，用鼠标点进去看 5 @end 6 @implementation AppDelegate 7 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { 8     // Override point for customization after application launch 9     self.window = [[UIWindow alloc]initWithFrame:[[UIScreen mainScreen]bounds]];10     self.window.backgroundColor = [UIColor whiteColor];11     [self.window makeKeyAndVisible];12 13     UIAlertView* alert = [[UIAlertView alloc]initWithTitle:@"提示框" message:@"hello word!" delegate:self cancelButtonTitle:[self noButtonTitle] otherButtonTitles:[self yesButtonTitle], nil];14     // 展示提示框15     [alert show];16     17     return YES;18 }19 // yes按钮20 - (NSString*)yesButtonTitle{21     return @"Yes";22 }23 // no按钮24 - (NSString*)noButtonTitle{25     return @"No";26 }27 // 判断用户按下的是Yes还是No (代理方法)28 - (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex{29     NSString* buttonTitle = [alertView buttonTitleAtIndex:buttonIndex];30     if ([buttonTitle isEqualToString:[self yesButtonTitle]]) {31         NSLog(@"User pressed the Yes button");32     }else if([buttonTitle isEqualToString:[self noButtonTitle]]){33         NSLog(@"User pressed the No button");34     }35 }