What s a simple way to get a text input popup dialog box on an iPhone

Question

I want to get the user name   A simple text input dialog box   Any simple way to do this

User · Answer

Try this Swift code in a UIViewController -  func doAlertControllerDemo          var inputTextField  UITextField        let passwordPrompt   UIAlertController title   Enter Password   message   You have selected to enter your passwod    preferredStyle  UIAlertControllerStyle Alert        passwordPrompt addAction UIAlertAction title   OK   style  UIAlertActionStyle Default  handler     action  - gt  Void in            Now do whatever you want with inputTextField  remember to unwrap the optional           let entryStr   String    inputTextField  text              print  BOOM  I received    entryStr               self doAlertViewDemo      do again                 passwordPrompt addAction UIAlertAction title   Cancel   style  UIAlertActionStyle Default  handler     action  - gt  Void in         print  done                   passwordPrompt addTextFieldWithConfigurationHandler   textField  UITextField   in         textField placeholder    Password          textField secureTextEntry   false          true here for pswd entry            inputTextField   textField               self presentViewController passwordPrompt  animated  true  completion  nil         return

User · Answer

I would use a UIAlertView with a UITextField subview  You can either add the text field manually or  in iOS 5  use one of the new methods

User · Answer

To make sure you get the call backs after the user enters text  set the delegate inside the configuration handler  textField delegate   self  Swift 3  amp  4  iOS 10 - 11    let alert   UIAlertController title   Alert   message   Message   preferredStyle  UIAlertControllerStyle alert  alert addAction UIAlertAction title   Click   style  UIAlertActionStyle default  handler  nil   alert addTextField configurationHandler    textField  UITextField   in     textField placeholder    Enter text       textField isSecureTextEntry   true    for password input    self present alert  animated  true  completion  nil    In Swift  iOS 8-10      override func viewDidAppear animated  Bool        var alert   UIAlertController title   Alert   message   Message   preferredStyle  UIAlertControllerStyle Alert      alert addAction UIAlertAction title   Click   style  UIAlertActionStyle Default  handler  nil       alert addTextFieldWithConfigurationHandler   textField  UITextField   in         textField placeholder    Enter text           textField secureTextEntry   true                self presentViewController alert  animated  true  completion  nil      In Objective-C  iOS 8    -  void  viewDidLoad        UIAlertController  alert    UIAlertController alertControllerWithTitle   Alert  message   Message  preferredStyle UIAlertControllerStyleAlert        alert addAction  UIAlertAction actionWithTitle   Click  style UIAlertActionStyleDefault handler nil         alert addTextFieldWithConfigurationHandler   UITextField  textField            textField placeholder     Enter text            textField secureTextEntry   YES               self presentViewController alert animated YES completion nil         FOR iOS 5-7   UIAlertView   alert     UIAlertView alloc  initWithTitle   Alert  message   INPUT BELOW  delegate self cancelButtonTitle   Hide  otherButtonTitles nil   alert alertViewStyle   UIAlertViewStylePlainTextInput   alert show         NOTE  Below doesn t work with iOS 7  iOS 4 - 6 Works   Just to add another version     -  void viewDidLoad       UIAlertView  alert     UIAlertView alloc  initWithTitle   Preset Saving     message   Describe the Preset n n n  delegate self cancelButtonTitle   Cancel  otherButtonTitles   Ok   nil       UITextField  textField     UITextField alloc  init        textField setBackgroundColor  UIColor whiteColor        textField delegate   self      textField borderStyle   UITextBorderStyleLine      textField frame   CGRectMake 15  75  255  30       textField placeholder     Preset Name       textField keyboardAppearance   UIKeyboardAppearanceAlert       textField becomeFirstResponder        alert addSubview textField        then I call  alert show   when I want it   The method that goes along  -  void alertView  UIAlertView   alertView clickedButtonAtIndex  NSInteger buttonIndex                NSString  detailString   textField text      NSLog   String is       detailString     Put it on the debugger     if   textField text length   lt   0    buttonIndex    0            return    If cancel or 0 length string the string doesn t matter           if  buttonIndex    1

User · Answer

In Xamarin and C    var alert   new UIAlertView   Your title    Your description   null   Cancel   new      OK     alert AlertViewStyle   UIAlertViewStyle PlainTextInput  alert Clicked     s  b    gt        var title   alert ButtonTitle b ButtonIndex       if  title     OK             var text   alert GetTextField 0  Text                        alert Show

User · Answer

In iOS 5 there is a new and easy way to this  I m not sure if the implementation is fully complete yet as it s not a gracious as  say  a UITableViewCell  but it should definitly do the trick as it is now standard supported in the iOS API  You will not need a private API for this   UIAlertView   alert     UIAlertView alloc  initWithTitle   Alert  message   This is an example alert   delegate self cancelButtonTitle   Hide  otherButtonTitles nil   alert alertViewStyle   UIAlertViewStylePlainTextInput   alert show    alert release     This renders an alertView like this  screenshot taken from the iPhone 5 0 simulator in XCode 4 2      When pressing any buttons  the regular delegate methods will be called and you can extract the textInput there like so   -  void alertView  UIAlertView   alertView clickedButtonAtIndex  NSInteger buttonIndex       NSLog   Entered        alertView textFieldAtIndex 0  text        Here I just NSLog the results that were entered  In production code  you should probably keep a pointer to your alertView as a global variable or use the alertView tag to check if the delegate function was called by the appropriate UIAlertView but for this example this should be okay   You should check out the UIAlertView API and you ll see there are some more styles defined   Hope this helped   -- EDIT --   I was playing around with the alertView a little and I suppose it needs no announcement that it s perfectly possible to edit the textField as desired  you can create a reference to the UITextField and edit it as normal  programmatically    Doing this I constructed an alertView as you specified in your original question  Better late than never  right  -    UIAlertView   alert     UIAlertView alloc  initWithTitle   Hello   message   Please enter your name   delegate self cancelButtonTitle   Continue  otherButtonTitles nil   alert alertViewStyle   UIAlertViewStylePlainTextInput  UITextField   alertTextField    alert textFieldAtIndex 0   alertTextField keyboardType   UIKeyboardTypeNumberPad  alertTextField placeholder     Enter your name    alert show    alert release     This produces this alert     You can use the same delegate method as I poster earlier to process the result from the input  I m not sure if you can prevent the UIAlertView from dismissing though  there is no shouldDismiss delegate function AFAIK  so I suppose if the user input is invalid  you have to put up a new alert  or just reshow this one  until correct input was entered   Have fun

User · Answer

Add views to a UIAlertView like this   In iOS 5 there are some  magic  things that do it for you  but that s all under NDA

User · Answer

Building on John Riselvato s answer  to retrieve the string back from the UIAlertView     alert addAction UIAlertAction title   Submit   style  UIAlertAction Style default     action   UIAlertAction  in             guard let message   alert textFields  first  text else                   return                              Text Field Response Handling Here

User · Answer

Just wanted to add an important piece of information that I believe was left out perhaps with the assumption that the ones seeking answers might already know  This problem happens a lot and I too found myself stuck when I tried to implement the viewAlert method for the buttons of the UIAlertView message  To do this you need to 1st add the delegate class which may look something like this    interface YourViewController   UIViewController  lt UIAlertViewDelegate gt   Also you can find a very helpful tutorial here   Hope this helps

User · Answer

UIAlertview  alt     UIAlertView alloc initWithTitle    n n n  message nil delegate nil cancelButtonTitle nil otherButtonTitles   OK   nil    UILabel  lbl1     UILabel alloc initWithFrame CGRectMake 25 17  100  30    lbl1 text   User Name    UILabel  lbl2     UILabel alloc initWithFrame CGRectMake 25  60  80  30    lbl2 text     Password    UITextField  username   UITextField alloc initWithFrame CGRectMake 130  17  130  30    UITextField  password   UITextField alloc initWithFrame CGRectMake 130  60  130  30     lbl1 textColor    UIColor whiteColor   lbl2 textColor    UIColor whiteColor     lbl1 setBackgroundColor  UIColor clearColor     lbl2 setBackgroundColor  UIColor clearColor     username borderStyle   UITextBorderStyleRoundedRect  password borderStyle   UITextBorderStyleRoundedRect    alt addSubview lbl1    alt addSubview lbl2    alt addSubview username    alt addSubview password     alt show

User · Answer

Swift 3   let alert   UIAlertController title   Alert   message   Message   preferredStyle  UIAlertControllerStyle alert  alert addAction UIAlertAction title   Click   style  UIAlertActionStyle default  handler  nil   alert addTextField configurationHandler    textField  UITextField   in      textField placeholder    Enter text       self present alert  animated  true  completion  nil

User · Answer

Since IOS 9 0 use UIAlertController   UIAlertController  alert    UIAlertController alertControllerWithTitle   My Alert                                                             message   This is an alert                                                             preferredStyle UIAlertControllerStyleAlert    UIAlertAction  defaultAction    UIAlertAction actionWithTitle   OK  style UIAlertActionStyleDefault                                                   handler   UIAlertAction   action                          use alert textFields 0  text                                                            UIAlertAction  cancelAction    UIAlertAction actionWithTitle   Cancel  style UIAlertActionStyleDefault                                                       handler   UIAlertAction   action                                                                cancel action                                                            alert addTextFieldWithConfigurationHandler   UITextField    Nonnull textField           A block for configuring the text field prior to displaying the alert      alert addAction defaultAction    alert addAction cancelAction    self presentViewController alert animated YES completion nil

User · Answer

Tested out Warkst s third code snippet--worked great  except I changed it to be default input type instead of numeric   UIAlertView   alert     UIAlertView alloc  initWithTitle   Hello   message   Please enter your name   delegate self cancelButtonTitle   Continue  otherButtonTitles nil   alert alertViewStyle   UIAlertViewStylePlainTextInput  UITextField   alertTextField    alert textFieldAtIndex 0   alertTextField keyboardType   UIKeyboardTypeDefault  alertTextField placeholder     Enter your name    alert show

[iphone] What's a simple way to get a text input popup dialog box on an iPhone

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