#import <UIKit/UIKit.h>@interface ViewController : UIViewController<UIAlertViewDelegate>@end

- (void)viewDidLoad{    [super viewDidLoad];    // Do any additional setup after loading the view from its nib        //初始化AlertView    UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"AlertViewTest"                                                   message:@"message"                                                  delegate:self                                         cancelButtonTitle:@"Cancel"                                         otherButtonTitles:@"OtherBtn",nil];    //設(shè)置標(biāo)題與信息，通常在使用frame初始化AlertView時(shí)使用    alert.title = @"AlertViewTitle";    alert.message = @"AlertViewMessage";        //這個(gè)屬性繼承自UIView，當(dāng)一個(gè)視圖中有多個(gè)AlertView時(shí)，可以用這個(gè)屬性來區(qū)分    alert.tag = 0;    //只讀屬性，看AlertView是否可見    NSLog(@"%d",alert.visible);    //通過給定標(biāo)題添加按鈕    [alert addButtonWithTitle:@"addButton"];    //按鈕總數(shù)    NSLog(@"number Of Buttons :%d",alert.numberOfButtons);    //獲取指定索引的按鈕標(biāo)題    NSLog(@"buttonTitleAtIndex1:%@",[alert buttonTitleAtIndex:1]);    NSLog(@"buttonTitleAtIndex2:%@",[alert buttonTitleAtIndex:2]);    //獲取取消按鈕的索引    NSLog(@"cancelButtonIndex:%d",alert.cancelButtonIndex);    //獲取第一個(gè)其他按鈕的索引    NSLog(@"firstOtherButtonIndex:%d",alert.firstOtherButtonIndex);    //顯示AlertView    [alert show];    [alert release];}#PRagma marks -- UIAlertViewDelegate --//根據(jù)被點(diǎn)擊按鈕的索引處理點(diǎn)擊事件-(void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex{    NSLog(@"clickButtonAtIndex:%d",buttonIndex);}//AlertView已經(jīng)消失時(shí)執(zhí)行的事件-(void)alertView:(UIAlertView *)alertView didDismissWithButtonIndex:(NSInteger)buttonIndex{    NSLog(@"didDismissWithButtonIndex");}//ALertView即將消失時(shí)的事件-(void)alertView:(UIAlertView *)alertView willDismissWithButtonIndex:(NSInteger)buttonIndex{    NSLog(@"willDismissWithButtonIndex");}//AlertView的取消按鈕的事件-(void)alertViewCancel:(UIAlertView *)alertView{    NSLog(@"alertViewCancel");}//AlertView已經(jīng)顯示時(shí)的事件-(void)didPresentAlertView:(UIAlertView *)alertView{    NSLog(@"didPresentAlertView");}//AlertView即將顯示時(shí)-(void)willPresentAlertView:(UIAlertView *)alertView{    NSLog(@"willPresentAlertView");}- (void)viewDidUnload{    [super viewDidUnload];    // Release any retained subviews of the main view.    // e.g. self.myOutlet = nil;}