Is it possible to dismiss the keyboard when you have MULTIPLE UITextFields ? If so how ?
As a side note, do I have to dismiss the keyboard for Each and Every field or can it be done globally ? Oh and it would be super cool if I don't have to touch the DONE button, I'd ideally like a solution that where the user touches anything BUT the field in question and the keyboard automagically disappears...
Oh and if you'd be so kind step by step instructions.
I should have added that I have a method already to resign the keyboard....
However, it only runs when my form is submitted! (see method below)
My question is how to the keyboard to hide/dismiss without having to jump thru so many damned hoops! You'd figure after 6 years, a mature operating system would have a way to GLOBALLY hide the keyboard....NOT!
Ok, enough whining....
- (void)hideKeyboard {
[self.dancePlace resignFirstResponder];
[self.danceGate resignFirstResponder];
[self.danceTerminal resignFirstResponder];
[self.danceText resignFirstResponder];
[self.danceDate resignFirstResponder];
[self.danceStyle resignFirstResponder];
[self.danceTimeOut resignFirstResponder];
}
And this is called when my button is submitted....
- (IBAction)addListingPressed:(id)sender {
// NSLog(#"BUTTON PRESSED");
[self hideKeyboard];
[self valuesAdded];
}
My question, assuming anyone can answer this...and I suspect not, is there a way to globally hide the keyboard if the following conditions are MET: 1.) the user taps OUT of any one of the existing fields, 2.) presses anywhere else on the screen. 3.) Is no more than a line or two in the existing viewcontroller.m file. 4.) I don't have to add a confusing button on the viewcontroller. (any time I have to add outlets, the damned thing is crashing on me...and then nastiness happens, and really...remember I am JUST a beginner, and its very confusing to read that I have to place this here and that there...oy. Simple folks, simple. I'm not looking for elegant solution, just so that it works.
I have a super class that all my view controllers inherit from. In that class I have this code.
MySuperViewController.h
#import <UIKit/UIKit.h>
#interface MySuperViewController : UIViewController
#property(strong, nonatomic) UITapGestureRecognizer *backgroundTapGestureRecognizer;
#end
MySuperViewController.m
- (void)viewDidLoad{
//add a tap gesture recognizer to capture all tap events
//this will include tap events when a user clicks off of a textfield
self.backgroundTapGestureRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:#selector(onBackgroundTap:)];
self.backgroundTapGestureRecognizer.numberOfTapsRequired = 1;
self.backgroundTapGestureRecognizer.cancelsTouchesInView = NO;
[self.view addGestureRecognizer:self.backgroundTapGestureRecognizer];
}
- (void)onBackgroundTap:(id)sender{
//when the tap gesture recognizer gets an event, it calls endEditing on the view controller's view
//this should dismiss the keyboard
[[self view] endEditing:YES];
}
I have the UITapGestureRecognizer as a public property, so I can override it if I need to.
subclass
MyViewController.h
#import <UIKit/UIKit.h>
#import "MySuperViewController.h"
#interface MyViewController : MySuperViewController<UIGestureRecognizerDelegate>
#end
MyViewController.m
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view.
//You don't always want the keyboard to be dismissed, so you tie into the gesture recognizer's delegate method
//By doing this, you can stop the endEditing call from being made
[self.backgroundTapGestureRecognizer setDelegate:self];
}
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldReceiveTouch:(UITouch *)touch
{
//touch.view is the view that recieved the touch
//if this view is another textfield or maybe a button, you can return NO and the endEditing call won't be made
if (touch.view == self.myViewThatShouldNotBeBlocked) {
return NO;
}
//if you want the gesture recognizer to accept the event, return yest
return YES;
}
I uploaded an example project to github.
https://github.com/JeffRegan/KeyboardBeGone
RDVKeyboardAvoiding is a scroll view with a tap gesture recognizer, designed for multiple textViews/textFields. It keeps track of the active view and removes a lot of boilerplate code.
tap anywhere outside the textField .. it will hide it..
[self.view endEditing:YES];
There are couple of other ways to do it.
[myEditField resignFirstResponder];
[myEditField endEditing];
[parentView endEditing];
If you dont wont to do so many things and simply want to dismiss keyboard than give iboutlet to each of your text filed to following method..
-(IBAction)hidekeyboard:(id)sender
{
[sender resignFirstResponder];
}
Yes, you only have to dismiss it for the one that is currently being edited.
In order to know which one is being edited, you can check the -(BOOL)isFirstResponder property, which will return YES if it is the first responder (the one being edited) or NO if it is not. Once you know which one is the first responder you can call -(void)resignFirstResponder on that one to get rid of the keyboard.
For example, if you have a method called -(void)aMethod that you want to dismiss the current view controller and you have an array of textViews called textArray, you could do a little loop such as:
-(void)aMethod {
for (UITextField *text in self.textArray) {
if ([text isFirstResponder]) [text resignFirstResponder];
return;
}
}
This way, you can have a variable number of textFields and it will still work.
If you only have one or two textFields and you do not want to create an Array object, you could do (assuming the fields are named text1 and text2:
-(void)aMethod {
if ([text1 isFirstResponder]) [text1 resignFirstResponder];
else if([text2 isFirstResponder]) [text2 resignFirstResponder];
}
Also, to make things easier for the future you could create a category method for UIView (which is what I do) to get the current first responder if it exists as a subview of that view:
#implementation UIView (GetFirstResponder)
- (UIView *)getFirstResponder {
if ([self isFirstResponder]) return self;
else {
for (UIView *subview in self.subviews) {
UIView *firstResponder = [subview getFirstResponder];
if (firstResponder) return firstResponder;
}
}
return nil;
}
You can put this method on the top of any file that you want to call it from, or create a separate file for it and import it.
Once you have this method, you can call:
- (void)aMethod {
UIView *view = [self.view getFirstResponder];
if (view) [view resignFirstResponder];
}
[superview endEditing:YES]; // superview can be the view controller's view property.
Related
I cant seem to find this answer for the manually clearing the UISearchBar with a backspace, only with a cancel button click. The code below hides the keyboard when the clear button is clicked, but so does the backspace to an empty UISearchBar. Id like to leave the keyboard open in that scenario since someone might be typing something else.
-(void)searchBar:(UISearchBar*)searchBar textDidChange:(NSString*)text
{
[self filterData: text];
if(text.length == 0)
{
[searchBar performSelector:#selector(resignFirstResponder) withObject:nil afterDelay:.1];
}
}
Your code includes if(text.length == 0) and that means that when the size of the input becomes zero, keyboard is dismissed. However the actual piece should be as follows:
- (BOOL) searchBarCancelButtonClicked:(UISearchBar *)searchBar{
[searchBar resignFirstResponder];
return YES;
}
My best try on such an issue is to do as suggested here BUT IT DOES NOT WORK WHEN YOU CLICK CLEAR BUTTON :( but I thought it might help you though:
https://stackoverflow.com/a/16957073/1465756
Add a tap gesture on your whole view:
- (void)viewDidLoad
{
UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc]
initWithTarget:self
action:#selector(dismissKeyboard)];
[self.view addGestureRecognizer:tap];
}
and dismissKeyboard when the view is tapped:
- (void) dismissKeyboard
{
[self.searchBar resignFirstResponder];
}
I understand you want to dismiss the keyboard when the user hits Cancel, and you also want to dismiss when the user hits the clear (x) button.
You do not need to implement searchBar:textDidChange:.
To detect cancellation, implement searchBarCancelButtonClicked:. Here you can trigger resignFirstResponder.
To detect clear, adopt UITextFieldDelegate and implement textFieldShouldClear:. This will be called after the user taps clear, but before the clear occurs. Return YES to allow the clear to occur. You may dismiss the keyboard before returning.
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 UITableView with an associated UITableViewController. However, I've modified the table to also have a view with a textfield subview.
As always, I want the keyboard to disappear when the user hits 'done' (easy) and when they touch anywhere else on screen other than the textfield (hard, stuck!).
The normal way to achieve this is to change the class to UIControl so it can handle actions... but I can't do this for my UITableView/UITableViewController combination.
How can I solve this problem?
U can handle user touches by adding a UITapGestureRecognizer to your view.
For example if u don't want to enable row selection in your tableView u call self.tableView.allowsSelection = NO;
But if u still want to detect user touches u add a UITapGestureRecognizer to your tableView (or to tableView.superview).
U can have more control if u implement the UIGestureRecognizerDelegate, this way u can detect and then choose witch touches to receive and witch not.
To do that just add this code to your UITableViewController:
- (void)viewDidLoad
{
[super viewDidLoad];
self.tableView.allowsSelection = NO;
UITapGestureRecognizer *tgr = [[UITapGestureRecognizer alloc] initWithTarget:self action:#selector(viewTapped:)];
tgr.delegate = self;
[self.tableView addGestureRecognizer:tgr]; // or [self.view addGestureRecognizer:tgr];
[tgr release];
}
- (void)viewTapped:(UITapGestureRecognizer *)tgr
{
NSLog(#"view tapped");
// remove keyboard
}
// this is optional, it let u choose witch touches to receive, for example here I'm checking if user has tapped on a textField
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldReceiveTouch:(UITouch *)touch
{
if ([touch.view isKindOfClass:[UITextField class]]) {
NSLog(#"User tapped on UITextField");
}
return YES; // do whatever u want here
}
A normal practice is to put a custom UIButton( it becomes visible only when uitextfield begins editing ) behind keyboard view, and when user clicks on screen he actually clicks on that button, and associated selector can resign first responder.
-(void) closeKeyboard:(UIButton *) b {
[self.view endEditing:YES]; //assuming self is your top view controller.
[b setHidden:YES];
}
Using endEditing is better, cause it loops through all subviews and looks for current first responder.
Using alloc breaks with ARC enabled
Just add the following to the viewController
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
//where text field is a #property (nonatomic,retain) IBOutlet to your textfield
[textField resignFirstResponder];
}
When a row is tapped the didSelectRowAtIndexPath is called. If a textField located inside inside a row is tapped then the textfield delegate is called.
So in addition to your done button method, in didSelectRowAtIndexPath add a check for the text field being first responder and ask it to resign. Assuming a the selected indexPath is not the row of the textfield.
I created a form and the keypad (Numeric only) appears when entering data like your age.
I want the keyboard to disappear when the user taps the background and I want to add a "Done" button in the empty slot under the 7 (next to the zero). (im using the Number Pad keyboard)
I found this example but I have a few questions.
In
-(void)viewDidLoad
{
UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:#selector(dismissKeyboard)]; [self.view addGestureRecognizer:tap];
}
-(void)dismissKeyboard
{
[aTextField resignFirstResponder];
[aTextField1 resignFirstResponder];
[aTextField2 resignFirstResponder];
[aTextField3 resignFirstResponder];
}
If I have more than 1 text field in my form.
Will I need to write every textfield in the dismissKeyboard method?
Easy way to do this is to use the method provided in UIView
- (BOOL) endEditing:(BOOL)force;
This method looks at the current view and its subview hierarchy for the text field that is currently the first responder. If it finds one, it asks that text field to resign as first responder. If the force parameter is set to YES, the text field is never even asked; it is forced to resign.
So just do this:
-(void)dismissKeyboard {
[self.view endEditing:YES];
}
and it will support any more text fields you add on your page (under that UIView of course)
You should only send dismissKeyboard to that textField that you are currently editing.
In your code you have got memory leak. Better use this one:
-(void)viewDidLoad
{
UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:#selector(dismissKeyboard)];
[self.view addGestureRecognizer:tap];
[tap release];
}
To check if UITextField is currently in edit mode you can check its property:
A Boolean value indicating whether the text field is currently in edit mode. (read-only)
#property(nonatomic, readonly, getter=isEditing) BOOL editing
For example, you have 3 text fields then dismissKeyboard will look something like this:
-(void)dismissKeyboard
{
UITextField *activeTextField = nil;
if ([textField1 isEditing]) activeTextField = textField1;
else if ([textField2 isEditing]) activeTextField = textField2;
else if ([textField3 isEditing]) activeTextField = textField3;
if (activeTextField) [activeTextField resignFirstResponder];
}
I use the same functionality in many of my apps. Rather than using the GestureRecognizer, I set my view up as a UIControl, rather than a UIView. You can still do the things you'd do with a UIView, but you can also assign IBActions to be performed when interacting with the view.
Here's how to do it:
In Interface Builder, select your view. Then, assign its class to UIControl. (It's probably set up as UIView currently.
In your ViewController for that view, write an IBAction method to detect backgroundTaps. Mine looks like this:
- (IBAction)backgroundTap:(id)sender
{
if ([textField1 isEditing]) {
[textField1 resignFirstResponder];
} else if ([textField2 isEditing]) {
[textField2 resignFirstResponder];
}
}
Finally, in Interface Builder, connect the IBAction you created to the UIControl.
Read this article, it may help you
Writing iOS 4 Code to Hide the iPhone Keyboard (Xcode 4)
Here i give common text field object. and asign reference to it in "textFieldShouldBeginEditing" method. that will common for all text field..
In this case, you need to dismiss one text field that will hide keyboard..
declare textfield object in .h file.
#interface RootViewController : UIViewController
{
IBOutlet UITextField* txt_common;
}
IN .m file
- (void)viewDidLoad {
[super viewDidLoad];
UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:#selector(dismissKeyboard)];
[self.view addGestureRecognizer:tap];
[tap release];
}
-(void)dismissKeyboard
{
NSLog(#"hi");
[txt_common resignFirstResponder];
}
#pragma mark TextField methods
- (BOOL)textFieldShouldBeginEditing:(UITextField *)textField
{
NSLog(#"hi++++++++++++++++++");
txt_common=textField;
return YES;
}
(my boss says) that I have to implement a "Done" button on a navBar so that the various items in the view (that contain an edit box) will dismiss their keyboard (if they were in focus).
It seems that I must iterate through all items and then call resignFirstResponder on each on the off-chance that one of them is in focus? This seems a bit messy (and hard to maintain if e.g. someone else adds more items in future) - is there a better way to do it?
I have found it!
Thanks to this
I discovered that all I need do is this:-
-(void) done {
[[self.tableView superview] endEditing:YES];
}
// also [self.view endEditing:YES]; works fine
[remark]
Also I learn how to do the equivalent of an "eventFilter" to stop UITableViewController from swallowing background touch events by intercepting them before they get there - from the same, wonderful post on that thread - see "DismissableUITableView".
[end of remark]
You don't have to iterate through the controls since only one can be first responder at the moment.
This will reset the responder to the Window itself:
[[self window] makeFirstResponder:nil]
One solution is to use a currentTextField Object,
In .h file have an instance variable as
UITextField *currentTextField;
Now in .m file.
Note : Dont forget to set the delegates of all the textField to this class
- (void)textViewDidBeginEditing:(UITextView *)textView
{
currentTextField = textField;
}
- (void)textViewDidEndEditing:(UITextView *)textView
{
currentTextField = nil;
}
Now in your button action method
-(IBAction)buttonTap
{
if([currentTextField isFirstResponder])
[currentTextField resignFirstResponder];
}
This avoids iterating through all the text field.
I think best way to handle it by searching all subviews of main view with recursive function, check example below
- (BOOL)findAndResignFirstResponder {
if (self.isFirstResponder) {
[self resignFirstResponder];
return YES;
}
for (UIView *subView in self.subviews) {
if ([subView findAndResignFirstResponder]) {
return YES;
}
}
return NO;
}
and also you can put this method to your utility class and can use from tap gesture. All you have to do is simply adding to gesture to view.
UITapGestureRecognizer *gestureRecognizer = [[UITapGestureRecognizer alloc]
initWithTarget:self action:#selector(hideEverything)];
[self.tableView addGestureRecognizer:gestureRecognizer];
and than you can call hideEverything method;
- (void) hideKeyboard {
[self.view findAndResignFirstResponder];
...
...
}