I have one UIPickerview. I have a json response. I have a three text fields. If user select the first text field display picker view then user select the particular item. And second and third text field also same. My requirement Is if user select the the particular item in first picker view second and third picker view does not showing the item. And second and third also same.
-(void)viewDidLoad
{
dataArray = [[NSMutableArray alloc]initWithObjects:@"A+",@"A-",@"B+",@"B-",@"O+",@"O-", nil];
bloodGroup = [[UITextField alloc]initWithFrame:CGRectMake(10, logoImg.frame.origin.y+logoImg.frame.size.height+45, screenWidth-20, 50)];
bloodGroup.borderStyle = UITextBorderStyleRoundedRect;
bloodGroup.font = [UIFont systemFontOfSize:15];
bloodGroup.placeholder = @"Please Select Your Option";
bloodGroup.delegate = self;
[self.view addSubview:bloodGroup];
txtField1 = [[UITextField alloc]initWithFrame:CGRectMake(10, ansField1.frame.origin.y+ansField1.frame.size.height+45, screenWidth-20, 50)];
txtField1.borderStyle = UITextBorderStyleRoundedRect;
txtField1.font = [UIFont systemFontOfSize:15];
txtField1.placeholder = @"Please Select Your Option";
txtField1.delegate = self;
[self.view addSubview:txtField1];
txtField2 = [[UITextField alloc]initWithFrame:CGRectMake(10, ansField2.frame.origin.y+ansField2.frame.size.height+45, screenWidth-20, 50)];
txtField2.borderStyle = UITextBorderStyleRoundedRect;
txtField2.font = [UIFont systemFontOfSize:15];
txtField2.placeholder = @"Please Select Your Option";
txtField2.delegate = self;
[self.view addSubview:txtField2];
myPickerView = [[UIPickerView alloc] init];
[myPickerView setDataSource: self];
[myPickerView setDelegate: self];
myPickerView.showsSelectionIndicator = YES;
bloodGroup.inputView = myPickerView;
bloodGroup.inputAccessoryView = toolBar;
// txtField1
txtField1.inputView = myPickerView;
txtField1.inputAccessoryView = toolBar;
txtField2.inputView = myPickerView;
txtField2.inputAccessoryView = toolBar;
}
-(NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView {
if (isBloodGroupFieldSelected) {
return 1;
}
else if(!isBloodGroupFieldSelected){
return 1;
}
else if(!isGenderGroupFieldSelected)
{
return 1;
}
return 0;
}
-(NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component
{
if (isBloodGroupFieldSelected) {
return [dataArray count];
}
else if(!isBloodGroupFieldSelected)
{
return [dataArray count];
}
else if (!isGenderGroupFieldSelected)
{
return [dataArray count];
}
return 0;
}
-(NSString *)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component {
if (isBloodGroupFieldSelected)
{
return dataArray[row];
}
else if((!isBloodGroupFieldSelected) && (isGenderGroupFieldSelected))
{
return dataArray[row];
}
else if(!isGenderGroupFieldSelected)
{
return dataArray[row];
}
return 0;
}
-(void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component {
if (isBloodGroupFieldSelected) {
bloodGroup.text = dataArray[row];
}
else if((!isBloodGroupFieldSelected) && (isGenderGroupFieldSelected))
{
txtField1.text = dataArray[row];
}
else if(!isGenderGroupFieldSelected)
{
txtField2.text= dataArray[row];
}
}
- (void)textFieldDidBeginEditing:(UITextField *)textField {
if (textField == bloodGroup) {
isBloodGroupFieldSelected = YES;
}
else if (textField == txtField1){
isBloodGroupFieldSelected = NO;
isGenderGroupFieldSelected = YES;
}
else if (textField == txtField2) {
isGenderGroupFieldSelected = NO;
isBloodGroupFieldSelected = NO;
}
[myPickerView reloadAllComponents];
}
