#import "ViewController.h"
@interface ViewController ()
@end
@implementation ViewController
- (void)viewDidLoad {
UIButton *button1=[UIButton buttonWithType:UIButtonTypeCustom];
button1.backgroundColor=[UIColor greenColor];
button1.frame=CGRectMake(100, 100, 120, 50);
[button1 addTarget:self action:@selector(showMyAlertView:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:button1];
}
-(void)showMyAlertView:(id)sender{
//初始化一个UIAlertView
UIAlertView *alertView1=[[UIAlertView alloc]initWithTitle:@"warning" message:@"当前无网络连接" delegate:self cancelButtonTitle:@"cansel" otherButtonTitles:nil, nil];
alertView1.tag=100;//设置tag值
[alertView1 addButtonWithTitle:@"确定"];
//添加提示框展示的按钮；也可以在otherButtonTitles:后面直接添加有的只有一个取消，那么otherButtonTitles:后面写一个nil就可以了，
// alertView1.title=@"alertView";//设置提示框标题，设置后警告变为alertView
// alertView1.message=@"还是那个提示框的message";
// NSLog(@"%d",alertView1.visible);//提示框是否可见（只读）
// NSLog(@"%d",(int)alertView1.numberOfButtons);//按钮个数
// NSLog(@"%@",[alertView1 buttonTitleAtIndex:0]);//获取提示框指定按钮的标题
// NSLog(@"%d",(int)[alertView1 cancelButtonIndex]);//取消按钮的索引
// NSLog(@"%d",(int)alertView1.firstOtherButtonIndex);//第一个按钮的索引
// alertView1.alertViewStyle=UIAlertViewStyleLoginAndPasswordInput;//带有明文输入框
// UIAlertViewStyleDefault = 0,//无
// UIAlertViewStyleSecureTextInput,//明文
// UIAlertViewStylePlainTextInput,//暗文
// UIAlertViewStyleLoginAndPasswordInput//一明一暗
// UITextField *text1=[alertView1 textFieldAtIndex:0];//获取第一个输入框
// UITextField *text2=[alertView1 textFieldAtIndex:1];//获取第二个输入框
// text1.placeholder=@"请输入账号";
// text2.placeholder=@"请输入密码";
// text1.text=@"http://";//输入网址以便连接
// text1.clearButtonMode=UITextFieldViewModeWhileEditing;
//让提示框展示
[alertView1 show];
}
- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
{
NSLog(@"hello %d",(int)buttonIndex);
switch (buttonIndex) {
case 0:
NSLog(@"调用0");
break;
case 1:
{
NSLog(@"调用1");
UIAlertView *alertView1=[[UIAlertView alloc]initWithTitle:@"警告" message:@"当前无网络连接" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:nil, nil];
[alertView1 addButtonWithTitle:@"确定"];
[alertView1 show];
}
break;
default:
break;
}
}