I got 2 textField and when the user types something in, and pushes the return button or back button on my navigation controller, that it saves the textFields. I've already tried this:
-(BOOL)textFieldShouldEndEditing:(UITextField *)textField
{
[textField resignFirstResponder];
NSLog(#"textFieldShouldEndEditing");
return YES;
}
but this doesn't print out anything. The names of my two textFields are self.CellOne.textField and self.CellTwo.textField and I've also added the <UITextFieldDelegate> delegate in my class. What I actually want is whenever the foces goes off the textFields, it needs to be saved.
I'm trying to get rid of the keyboard when the user touch outside my UITextField, by using this method:
- (void) touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
[mainTextController resignFirstResponder];
[super touchesBegan:touches withEvent:event];
}
However, this seems to call a method that is called after pressing the return button on the keyboard, but I just want the keyboard to vanish, not to press return for me.
How can I accomplish that?
Thanks!
EDIT: tGilani's answer is the most straight-forward way, works like a charm, without changing to UIControl. But I guess jonkroll's answer also works.
try
[self.view endEditing:YES];
Update:
Take a boolean value and set it to false in init method. In your textFieldShouldReturn delegate method method, execute the code if it is false, skip otherwise
- (BOOL) textFieldShouldReturn:(UITextField*)textField
{
if (!boolean)
{
// YOur code logic here
}
boolean = false;
}
in your method where you call the endEditing method, set boolean to true.
boolean = YES;
[self.view endEditing:YES];
Here's how I've handled this before. First create a method on your view controller that will dismiss the keyboard by resigning first responder status on your text field:
- (IBAction)dismissKeyboard:(id)sender
{
[mainTextController resignFirstResponder];
}
Next, in your storyboard scene for your ViewController (or nib, if you are not using storyboards) change the class of your ViewController's view property from UIView to UIControl. The view property is effectively the background behind your other UI elements. The class type needs to be changed because UIView cannot respond to touch events, but UIControl (which is a direct subclass of UIView) can respond to them.
Finally, in your ViewController's viewDidLoad: method, tell your view controller to execute your dismissKeyboard method when the view receives a UIControlEventTouchDown event.
- (void)viewDidLoad
{
[super viewDidLoad];
UIControl *viewControl = (UIControl*)self.view;
[viewControl addTarget:self action:#selector(dismissKeyboard:) forControlEvents:UIControlEventTouchDown];
}
EDIT:
Part of your concern seems to be that textFieldDidEndEditing: is called when the keyboard is dismissed. That is unavoidable, it will always be called whenever a text field loses focus (i.e. first responder status). It sounds like your problem is that you have put code to perform when the user clicks the return button in textFieldDidEndEditing:. If you do not want that code to run when the user touches outside of the text field, that is not the proper place to put it.
Instead, I would put that code in a separate method:
- (IBAction)textFieldReturn:(id)sender
{
if ([mainTextController isFirstResponder]) {
[mainTextController resignFirstResponder];
// put code to run after return key pressed here...
}
}
}
and then call that method via Target-Action when your text field sends the control event UIControlEventEditingDidEndOnExit.
[mainTextController addTarget:self action:#selector(textFieldReturn:) forControlEvents:UIControlEventEditingDidEndOnExit];
Note that UIControlEventEditingDidEndOnExit is different than UIControlEventEditingDidEnd. The former is called when editing ends by the user touching outside the control, the latter is called when editing ends by the user pressing the return key.
You need to change your ViewController's view property from UIView to UIControl using the Identity Inspector:
From there, you simply create an IBAction and tell the textfield to dismiss (which I am assuming is your mainTextController). If mainTextController is not the textfield you want the keyboard to dismiss on then change the resignFirstReaponder method to your textfield like so.
- (IBAction)backgroundTap:(id)sender {
[myTextField resignFirstResponder];
}
then from there go back into your View Contoller's .xib file and connect the action to the Control View and select "Touch Down".
I have a few UITextFields (within UITableViewCells) on my UIView with a "Save" UIButton. I want to do some basic validation on the UITextFields when the user clicks the "Save" button.
I have overridden textFieldDidEndEditing to save each of my UITextField data to an instance variable; however, if a user clicks the save button before either clicking the "Return" button of the UIKeyboard or clicking on another UITextField the data in my last UITextField is never saved to my instance variable and validation always fails.
I am looking for a way to trigger an "onBlur" (I know that's a JS thing)-type event to save my string in UITextField to my instance variable.
I've looked through the UITextFieldDelegate Protocol and I do not see anything like this.
Is there a method I may be missing?
to trigger textFieldDidEndEditing on your UITextField, you will need to call
[_txt resignFirstResponder];
were _txt is your UITextField
Please note that if you dont have a reference to _txt and you need to find the first responder in order to resign it
You could use the solution from this question Get the current first responder without using a private API
Then instead of calling
[_txt resignFirstResponder];
you would call
[self.view findAndResignFirstResponder];
Try this
// if we encounter a newline character return
- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string
{
// enter closes the keyboard
if ([string isEqualToString:#"\n"])
{
[textField resignFirstResponder];
return NO;
}
return YES;
}
which will trigger
- (BOOL)textFieldShouldEndEditing:(UITextField *)textField
{
[textField resignFirstResponder];
// Call webservice
return YES;
}
The keyboard that comes up with MFMailComposeViewController does not have any means to dismiss the keyboard once it comes up.
Does anyone have an idea of changing the keyboard. There are no UITextField exposed as you are actually in mail client at the time.
The mail composer isn't yours to modify, it is a system provided view controller which you are explicitly told not to modify in the docs:
Important: The mail composition interface itself is not customizable and must not be modified by your application. In addition, after presenting the interface, your application is not allowed to make further changes to the email content. The user may still edit the content using the interface, but programmatic changes are ignored. Thus, you must set the values of content fields before presenting the interface.
The cancel button is already there in the top left, what would "Done" do? Send the email? That's in the top right.
The MFMailComposeViewController doesn't have a "Done" button, because it assumes you will use that button as a return key (to make a new line).
If you really wanted to change the button to a "done" button, there is only one way I can think to do it:
Create a new MFMailComposeViewController.
Enumerate through [[mailComposer view] subviews].
Inspect each subview (and subviews of subviews, if required).
When you've found the UITextView that is the body, do the following:
// Get the UITextView from subview inspection
UITextView *textView;
// Declare this instance variable in your class #interface
id <UITextViewDelegate> originalTextViewDelegate;
// Get the original delegate
originalTextViewDelegate = [textView delegate];
// Override the delegate
[textView setDelegate:self];
// Set the return key type
[textView setReturnKeyType:UIReturnKeyDone];
Return YES on -textViewShouldEndEditing. Implement ALL UITextViewDelegate methods, and call originalTextViewDelegate (kind of like calling "super" on a subclass).
- (BOOL)textViewShouldEndEditing:(UITextView *)textView
{
[originalTextViewDelegate textViewShouldEndEditing:textView];
// Important: return YES, regardless of originalTextViewDelegate's response
return YES;
}
- (void)textViewDidChangeSelection:(UITextView *)textView
{
[originalTextViewDelegate textViewDidChangeSelection:textView];
}
- (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text
{
return [originalTextViewDelegate textView:textView shouldChangeTextInRange:range replacementText:text];
}
// etc
That should work, but no guarantees. Hope that helps! :D
I have a UITextfield that i'd like to dismiss the keyboard for. I can't seem to make the keyboard go away no matter what code i use.
If you have multiple text fields and don't know which one is first responder (or you simply don't have access to the text fields from wherever you are writing this code) you can call endEditing: on the parent view containing the text fields.
In a view controller's method, it would look like this:
[self.view endEditing:YES];
The parameter forces the text field to resign first responder status. If you were using a delegate to perform validation and wanted to stop everything until the text field's contents were valid, you could also code it like this:
BOOL didEndEditing = [self.view endEditing:NO];
if (didEndEditing) {
// on to the next thing...
} else {
// text field must have said to first responder status: "never wanna give you up, never wanna let you down"
}
The endEditing: method is much better than telling individual text fields to resignFirstResponder, but for some reason I never even found out about it until recently.
[myTextField resignFirstResponder]
Here, second paragraph in the Showing and Hiding the Keyboard section.
I've discovered a case where endEditing and resignFirstResponder fail. This has worked for me in those cases.
ObjC
[[UIApplication sharedApplication] sendAction:#selector(resignFirstResponder) to:nil from:nil forEvent:nil];
[self setEditing:NO];
Swift
UIApplication.shared.sendAction(#selector(resignFirstResponder), to: nil, from: nil, for: nil)
There are cases where no text field is the first responder but the keyboard is on screen.
In these cases, the above methods fail to dismiss the keyboard.
One example of how to get there:
push the ABPersonViewController on screen programmatically; open any contact;
touch the "note" field (which becomes first responder and fires up the keyboard);
swipe left on any other field to make the "delete" button appear;
by this point you have no first responder among the text fields (just check programmatically) but the keyboard is still there. Calling [view endEditing:YES] does nothing.
In this case you also need to ask the view controller to exit the editing mode:
[viewController setEditing:NO animated:YES];
I suggest you add and action on your header file:
-(IBAction)removeKeyboard;
And in the implementation, write something like this:
-(IBAction)removeKeyboard
{
[self.textfield resignFirstResponder];
}
In the NIB file, connect from the UITextFiled to the File's Owner on the option DidEndOnExit. That way, when you press return, the keyboard will disappear.
Hope it helps!
In your view controller YourViewController.h file, make sure you implement UITextFieldDelegate protocol :
#interface YourViewController : <UITextFieldDelegate>
#end
Then, in YourViewController.m file, implement the following instance method:
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
[self.yourTextField1 resignFirstResponder];
[self.yourTextField2 resignFirstResponder];
...
[self.yourTextFieldn resignFirstResponder];
}
To resign any text field in the app
UIApplication.shared.keyWindow?.endEditing(true)
This approach is clean and guarantied to work because the keyWindow is, by definition, the root view of all possible views displaying a keyboard (source):
The key window receives keyboard and other non-touch related events. Only one window at a time may be the key window.
This will resign one particular text field
// Swift
TextField.resignFirstResponder()
// Objective C
[TextField resignFirstResponder];
To resign any text field use below code
// Swift
self.view!.endEditing(true)
// Objective C
[self.view endEditing:YES];
as a last resort 💩
let dummyTextView = UITextView(frame: .zero)
view.addSubview(dummyTextView)
dummyTextView.becomeFirstResponder()
dummyTextView.resignFirstResponder()
dummyTextView.removeFromSuperview()
If you don't know which textField is the first responder you can find it. I use this function:
UIView *resignFirstResponder(UIView *theView)
{
if([theView isFirstResponder])
{
[theView resignFirstResponder];
return theView;
}
for(UIView *subview in theView.subviews)
{
UIView *result = resignFirstResponder(subview);
if(result) return result;
}
return nil;
}
Then in your code call:
UIView *resigned = resignFirstResponder([UIScreen mainScreen]);
You just replace yourTextFieldName with, you guessed it! your textfield. This will close the keyboard.
[yourTextFieldName resignFirstResponder];
-(void)methodName
{
[textFieldName resignFirstResponder];
}
call this method (methodName) with didEndOnExit
For Swift 3
You can hide the keyboard like this:
textField.resignFirstResponder()
If you want to hide the keyboard when the user press the "intro" button, you have to implement the following UITextFieldDelegate method:
func textFieldShouldReturn(_ textField: UITextField) -> Bool {
textField.resignFirstResponder()
return true
}
-(void)textFieldDidBeginEditing:(UITextField *)textField
{
// your code
[textField reloadInputViews];
}
3 Simple & Swift steps
Add UITextFieldDelegate to your class as below:
class RegisterVC: UIViewController, UITextFieldDelegate {
//class implementation
}
in class implementation, add the delegate function textFieldShouldEndEditing::
internal func textFieldShouldReturn(_ textField: UITextField) -> Bool {
self.view.endEditing(true)
return true
}
and as a last step, set your UITextField(s) delegate(s) to self, in somewhere appropriate. For example, inside the viewDidLoad function:
override func viewDidLoad(){
super.viewDidLoad()
myTextField1.delegate = self
myTextField2.delegate = self
..
..
}
Now, whenever user hits the return key, keyboard will dismiss.
I prepared an example snippet too, you can check it from here.
Set up the "Did End On Exit" event in Xcode (right click on your text field).
Realize this method:
-(IBAction) closeKeyboard:(id) sender {
[_txtField resignFirstResponder];
}