ios - 从 ios 中的另一个弹出按钮执行弹出窗口

Question

我是 IOS 新手。当我点击以下登录按钮时:

我正在使用此代码生成弹出窗口:

- (UIView *)createLoginView
{
    UIView *alertView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 300, 130)];

    UITextField *email = [[UITextField alloc] initWithFrame:CGRectMake(10, 10, 280, 50)];
    email.tag=420;
    email.layer.cornerRadius = 5;
    [email setTag:99];
    [email setTextAlignment:NSTextAlignmentCenter];
    [email setKeyboardType:UIKeyboardTypeEmailAddress];
    [email setPlaceholder:@"Email"];
    [email setBackgroundColor:[UIColor colorWithRed:243/255.0 green:243/255.0 blue:243/255.0 alpha:1.0]];
    [email setReturnKeyType:UIReturnKeyNext];
    [email setAutocorrectionType:UITextAutocorrectionTypeNo];

    UITextField *pass = [[UITextField alloc] initWithFrame:CGRectMake(10, 70, 280, 50)];
    pass.layer.cornerRadius = 5;
    [pass setTag:100];
    [pass setTextAlignment:NSTextAlignmentCenter];
    [pass setSecureTextEntry:YES];
    [pass setPlaceholder:@"Password"];
    [pass setBackgroundColor:[UIColor colorWithRed:243/255.0 green:243/255.0 blue:243/255.0 alpha:1.0]];
    [pass setReturnKeyType:UIReturnKeyGo];

    [alertView addSubview:email];
    [alertView addSubview:pass];
    return alertView;
}

登录弹出窗口工作正常，但当我单击“忘记？”时弹出窗口的按钮，忘记密码弹出窗口不会显示。这是忘记密码弹出窗口的代码。

- (UIView *)createForgotPasswordView
{
    UIView *alertView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 300, 130)];

    UITextField *email = [[UITextField alloc] initWithFrame:CGRectMake(10, 10, 280, 50)];

    email.layer.cornerRadius = 5;
    [email setTag:22];
    [email setTextAlignment:NSTextAlignmentCenter];
    [email setKeyboardType:UIKeyboardTypeEmailAddress];
    [email setPlaceholder:@"Email"];
    [email setBackgroundColor:[UIColor colorWithRed:243/255.0 green:243/255.0 blue:243/255.0 alpha:1.0]];
    [email setReturnKeyType:UIReturnKeyNext];
    [email setAutocorrectionType:UITextAutocorrectionTypeNo];

    [alertView addSubview:email];
    return alertView;
}

我正在使用它:

- (IBAction)LogInClick:(UIButton *)sender {
    IOS7AlertView *applyMsg = [[IOS7AlertView alloc] init];
    [applyMsg setContainerView:[self createLoginView]];

    [applyMsg setButtonTitles:[NSMutableArray arrayWithObjects:@"Forgot?", @"Login", nil]];


    [applyMsg setOnButtonTouchUpInside:^(IOS7AlertView *alertView, int buttonIndex) {

        if(buttonIndex==0)
        {

            [alertView close];

            NSLog(@"Forgot Section");

            IOS7AlertView *applyPop = [[IOS7AlertView alloc] init];
            [applyPop setParentView:[self createForgotPasswordView]];


            [applyPop setButtonTitles:[NSMutableArray arrayWithObjects:@"Next", @"Cancel", nil]];

        }
}];

但问题是下一个弹窗不显示？问题是什么？请帮忙。

Answer 1

UIalertview 层次结构已经有电子邮件和密码选项。

试试这个，这是原生的

 - (IBAction)LogInClick:(UIButton *)sender {
 UIAlertView *alert = [[UIAlertView alloc]
                      initWithTitle:@"Login"
                      message:nil
                      delegate:self
                      cancelButtonTitle:@"Signup"
                      otherButtonTitles:@"Login",@"Forgot password", nil];

 alert.alertViewStyle=UIAlertViewStyleLoginAndPasswordInput;

[[alert textFieldAtIndex:0]setKeyboardType:UIKeyboardTypeEmailAddress];
[[alert textFieldAtIndex:0]setPlaceholder:@"Email address"];
[[alert textFieldAtIndex:1]setPlaceholder:@"Password"];
alert.tag=10;
[alert show]; 
 }

alert view delegate方法是

-(void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex{

  if (alertView.tag==65)
  {
     UIAlertView *alert = [[UIAlertView alloc]
                      initWithTitle:@"Login"
                      message:nil
                      delegate:self
                      cancelButtonTitle:@"Signup"
                      otherButtonTitles:@"Login",@"Forgot password", nil];

alert.alertViewStyle=UIAlertViewStyleLoginAndPasswordInput;

[[alert textFieldAtIndex:0]setKeyboardType:UIKeyboardTypeEmailAddress];
[[alert textFieldAtIndex:0]setPlaceholder:@"Email address"];
[[alert textFieldAtIndex:1]setPlaceholder:@"Password"];
alert.tag=10;
[alert show]; 
 }


if (alertView.tag==10)
{
    if (buttonIndex == 0) {

        NSLog(@"signup");
        //Navigate to Signup page



    }
    else if (buttonIndex == 2) {
        NSLog(@"Forgot password");

       //  //Navigate to Forgot password page
     }
    else if (buttonIndex == 1) {

        NSLog(@"YES");

        NSString *usernameInput=[alertView textFieldAtIndex:0].text;

        NSString *passwordInput=[alertView textFieldAtIndex:1].text;

        //pass the email id , password

        NSLog(@"1 %@", usernameInput);
        NSLog(@"2 %@", passwordInput);

        NSString *emailReg = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";
        NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailReg];


        // COMMENT: check if input information is valid or not
        if([usernameInput isEqualToString:@""])
        {
            UIAlertView *alert=[[UIAlertView alloc]initWithTitle:@"Alert!!!" message:@"You must fill in Email address" delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil, nil];
            alert.tag=65;
            [alert show];


        }
        else if([emailTest evaluateWithObject:usernameInput] == NO)
        {

            UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Alert!!" message:@"Please Enter Valid Email Address." delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil];
            alert.tag=65;
            [alert show];

        }
        else if([passwordInput isEqualToString:@""])
        {
            UIAlertView *alert=[[UIAlertView alloc]initWithTitle:@"Alert!!!" message:@"You must fill in Password" delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil, nil];
            alert.tag=65;
            [alert show];


        }
        else
        {
            //pass teh data to server or login process
           }

    }
      }