Incorrect UITextfield is being edited - objective-c

Question

I just finished a tutorial on making my own keypad. So I took that knowledge and made a real simple App that adds two numbers with my own keypad. It is just two numbers. But when I tap on one textfield, the other textfield gets edited! I have enclosed my code, any help will be much appreciated. And thanks to #spacious for all previous help.
#import "KeyPad2ViewController.h"
#interface KeyPad2ViewController ()
#property (nonatomic) BOOL userIsEnteringANumber;
#end
#implementation KeyPad2ViewController
#synthesize numberOne;
#synthesize numberTwo;
#synthesize result;
#synthesize keyPad;
#synthesize userIsEnteringANumber;
#synthesize currentTextField;
- (BOOL)textFieldShouldBeginEditing:(UITextField *)textField
{
if ([numberOne isFirstResponder])
{
self.currentTextField = self.numberOne;
self.userIsEnteringANumber = NO;
}
else if ([numberTwo isFirstResponder])
{
self.currentTextField = self.numberTwo;
self.userIsEnteringANumber = NO;
}
return YES;
}
- (void)viewDidLoad
{
[super viewDidLoad];
[numberOne setInputView:keyPad];
[numberTwo setInputView:keyPad];
numberOne.delegate = self;
numberTwo.delegate = self;
// Do any additional setup after loading the view, typically from a nib.
}
- (void)viewDidUnload
{
[self setNumberOne:nil];
[self setNumberTwo:nil];
[self setResult:nil];
[self setKeyPad:nil];
[super viewDidUnload];
// Release any retained subviews of the main view.
}
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {
return (interfaceOrientation != UIInterfaceOrientationPortraitUpsideDown);
} else {
return YES;
}
}
- (IBAction)buttonPressed:(UIButton *)sender
{
NSString *button = [sender currentTitle];
NSRange decimalpoint = [self.currentTextField.text rangeOfString:#"."];
if (self.userIsEnteringANumber)
{
if ([button isEqualToString:#"."] && decimalpoint.location != NSNotFound)
{
self.currentTextField.text = self.currentTextField.text;
}else
self.currentTextField.text = [self.currentTextField.text stringByAppendingString:button];
}else
{
self.currentTextField.text = button;
self.userIsEnteringANumber = YES;
}
}
- (IBAction)backspacePressed:(UIButton *)sender
{
if (self.userIsEnteringANumber)
{
int positionOfDigitBeforeLastOne = self.currentTextField.text.length -1;
if (self.currentTextField.text.length > 0)
{
self.currentTextField.text = [self.currentTextField.text substringToIndex:positionOfDigitBeforeLastOne];
}
if (self.currentTextField.text.length == 0)
self.currentTextField.text = #"";
}
}
- (IBAction)clearPressed:(id)sender
{
currentTextField.text = [NSString stringWithFormat:#""];
}
- (IBAction)enterPressed:(UIButton *)sender
{
[self hideKeyPad];
}
- (IBAction)signPressed:(UIButton *)sender
{
NSString *negativeNumber = #"-";
NSString *firstCharInDisplay = #"";
if (self.userIsEnteringANumber)
{
firstCharInDisplay = [self.currentTextField.text substringToIndex:1];
if ([firstCharInDisplay isEqualToString:#"-"])
{
self.currentTextField.text = [self.currentTextField.text substringFromIndex:1];
}else {
negativeNumber = [negativeNumber stringByAppendingString:self.currentTextField.text];
self.currentTextField.text = negativeNumber;
}
}
}
- (IBAction)add:(UIButton *)sender
{
float a = [[numberOne text] floatValue];
float b = [[numberTwo text] floatValue];
float c = a + b;
[result setText:[NSString stringWithFormat:#"%.2f", c]];
}
- (void)showKeyPad
{
[UIView beginAnimations:#"animateView" context:nil];
[UIView setAnimationDuration:0.3];
CGRect keypadview = CGRectMake(0, 270, 320, 190); // puts keyboard on screen
keyPad.frame = keypadview;
keyPad.alpha = 1.0;
[UIView commitAnimations];
}
- (void)hideKeyPad
{
[UIView beginAnimations:#"animateView" context:nil];
[UIView setAnimationDuration:0.3];
CGRect keypadview = CGRectMake(0, 640, 320, 190); // puts keyboard off screen
keyPad.frame = keypadview;
keyPad.alpha = 1.0;
[UIView commitAnimations];
}
#end
and my .h file is
#import <UIKit/UIKit.h>
#interface KeyPad2ViewController : UIViewController <UITextFieldDelegate>
#property (weak, nonatomic) IBOutlet UITextField *numberOne;
#property (weak, nonatomic) IBOutlet UITextField *numberTwo;
#property (weak, nonatomic) IBOutlet UILabel *result;
#property (strong, nonatomic) IBOutlet UIView *keyPad;
#property (weak, nonatomic) UITextField *currentTextField;
- (IBAction)buttonPressed:(UIButton *)sender;
- (IBAction)backspacePressed:(UIButton *)sender;
- (IBAction)clearPressed:(UIButton *)sender;
- (IBAction)enterPressed:(UIButton *)sender;
- (IBAction)octopusPressed:(UIButton *)sender;
- (IBAction)signPressed:(UIButton *)sender;
- (IBAction)add:(UIButton *)sender;
#end
Thanks to any and all help. This site is really the best!!

Answer 1

When your textFieldShouldBeginEditing: method is called, the first responder has not been set to the correct field yet. Replace the textFieldShouldBeginEditing: with textFieldDidBeginEditing: to fix this problem.