Dismiss keyboard of TextField programmatically

Question

I know how to use the following method by Interface Builder.

-(void)dismissKeyboard { [testTextField resignFirstResponder]; }

In this way, when I touch the area outside the keyboard or tap the "return", the keyboard will dismiss.

But I don't know how to make it all by code. Please teach me , thanks.

Here's .h

#import <UIKit/UIKit.h> @interface SecondViewController : UIViewController { UITextField *testTextField; } @property (nonatomic,retain) UITextField *testTextField; @end

here's .m

#import "SecondViewController.h" @implementation SecondViewController @synthesize testTextField; - (void)viewDidLoad { [super viewDidLoad]; UITextField *tempTextField = [[UITextField alloc] init]; self.testTextField = tempTextField; testTextField.frame = CGRectMake(100, 150, 200, 30); testTextField.placeholder = @"Test"; testTextField.backgroundColor = [UIColor whiteColor]; testTextField.textColor = [UIColor blackColor]; [self.view addSubview:testTextField]; }

You didn't set the delegate.. [tempTextField setDelegate:self]; — DefenestrationDay
– DefenestrationDay, Commented Feb 29, 2012 at 2:43

Totumus Maximus · Accepted Answer · 2011-10-27 07:07:39Z

What you lack is the UITextFieldDelegate with it comes a lot of textfield methods that will be called for different reasons.

Check out the apple docs! http://developer.apple.com/library/ios/#documentation/uikit/reference/UITextFieldDelegate_Protocol/UITextFieldDelegate/UITextFieldDelegate.html

You should resign your keyboard in the

- (BOOL)textFieldShouldEndEditing:(UITextField *)textField { [textField resignFirstResponder]; }

Kattu Poochi · Accepted Answer · 2011-10-27 10:10:19Z

use this code in viewdidload

 UITapGestureRecognizer *gestureRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(hideKeyboard)]; [self.view addGestureRecognizer:gestureRecognizer]; } - (void) hideKeyboard { [textfieldname1 resignFirstResponder]; [textfieldname2 resignFirstResponder]; }

Raptor · Accepted Answer · 2011-10-27 07:06:01Z

Add UITextFieldDelegate to your header and implement this delegate method:

textFieldShouldEndEditing:

resign your first responder in the method.

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