我有一个UIPickerview。我有json回应。我有一个三个文本字段。如果用户选择第一个文本字段显示选择器视图，则用户选择特定项目。第二个和第三个文本字段也一样。
我的要求是，如果用户在第一个选择器视图中选择特定项目，第二个和第三个选择器视图不显示该项目。第二和第三也一样。用户再次选择第一个文本字段并更改另一个安全问题。然后在这种情况下，第一次选择的安全需要添加到阵列中。第二和第三也一样。所以我正在写下面的代码。我的问题是安全问题在选择器视图中重复出现。
- (void)viewDidLoad
{
UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(dismissKeyboard)];
[self.view addGestureRecognizer:tap];
QArray = [[NSMutableArray alloc]init];
QidArray = [[NSMutableArray alloc]init];
pickerviewRowCount++;
NSMutableDictionary *secQuestions=questionInfo[@"SecurityQuestion"];
NSLog(@"Dictionary values of security question is :%@",secQuestions);
for (NSDictionary *dict in secQuestions){
pickerviewRowCount++;
[QidArray addObject:[dict valueForKey:@"QuestionID"]];
[QArray addObject:[dict valueForKey:@"Question"]];
NSLog(@"QID: %@ , Q:%@",[dict valueForKey:@"QuestionID"],[dict valueForKey:@"Question"]);
}
bloodGroup = [[UITextField alloc]initWithFrame:CGRectMake(10, passManagerLbl.frame.origin.y+passManagerLbl.frame.size.height+45, screenWidth-20, 50)];
bloodGroup.placeholder = @"Please Select Your Option";
[scrollview addSubview:bloodGroup];
ansField1 = [[UITextField alloc]initWithFrame:CGRectMake(10, bloodGroup.frame.origin.y+bloodGroup.frame.size.height+45, screenWidth-20, 50)];
ansField1.placeholder = @"Please enter Answer";
ansField1.delegate = self;
[scrollview addSubview:ansField1];
txtField1 = [[UITextField alloc]initWithFrame:CGRectMake(10, ansField1.frame.origin.y+ansField1.frame.size.height+45, screenWidth-20, 50)];
txtField1.placeholder = @"Please Select Your Option";
[scrollview addSubview:txtField1];
ansField2 = [[UITextField alloc]initWithFrame:CGRectMake(10, txtField1.frame.origin.y+txtField1.frame.size.height+45, screenWidth-20, 50)];
ansField2.placeholder = @"Please enter Answer";
[scrollview addSubview:ansField2];
txtField2 = [[UITextField alloc]initWithFrame:CGRectMake(10, ansField2.frame.origin.y+ansField2.frame.size.height+45, screenWidth-20, 50)];
txtField2.placeholder = @"Please Select Your Option";
[scrollview addSubview:txtField2];
ansField3 = [[UITextField alloc]initWithFrame:CGRectMake(10, txtField2.frame.origin.y+txtField2.frame.size.height+45, screenWidth-20, 50)];
ansField3.placeholder = @"Please enter Answer";
[scrollview addSubview:ansField3];
}
-(void)done:(id)sender
{
[self pickerData];
}
-(void)pickerData
{
int row = [myPickerView selectedRowInComponent:0];
if (isBloodGroupFieldSelected) {
NSMutableDictionary *dict = [[NSMutableDictionary alloc]init];
[dict setObject:QArray[row] forKey:@"title"];
NSInteger currentRow = row;
[dict setObject:[NSString stringWithFormat:@"%ld",currentRow] forKey:@"selectedIndex"];
[backUpArray replaceObjectAtIndex:0 withObject:dict];
selectedValue1 = QidArray[row];
bloodGroup.text = QArray[row];
[QArray removeObjectAtIndex:row];
[QidArray removeObjectAtIndex:row];
selectedItem1=bloodGroup.text;
NSLog(@"Selected row value 1 of Picker view is:%@",selectedItem1);
}
else if((!isBloodGroupFieldSelected) && (isGenderGroupFieldSelected))
{
NSMutableDictionary *dict = [[NSMutableDictionary alloc]init];
[dict setObject:QArray[row] forKey:@"title"];
NSInteger currentRow = row;
[dict setObject:[NSString stringWithFormat:@"%ld",currentRow] forKey:@"selectedIndex"];
[backUpArray replaceObjectAtIndex:1 withObject:dict];
txtField1.text = QArray[row];
selectedItem2 = txtField1.text;
selectedValue2 = QidArray[row];
[QArray removeObjectAtIndex:row];
[QidArray removeObjectAtIndex:row];
}
else if(!isGenderGroupFieldSelected)
{
NSMutableDictionary *dict = [[NSMutableDictionary alloc]init];
[dict setObject:QArray[row] forKey:@"title"];
NSInteger currentRow = row;
[dict setObject:[NSString stringWithFormat:@"%ld",currentRow] forKey:@"selectedIndex"];
[backUpArray replaceObjectAtIndex:2 withObject:dict];
txtField2.text= QArray[row];
selectedItem3= txtField2.text;
selectedValue3 = QidArray[row];
NSLog(@"Selected row value 3 of Picker view is.....:%@",selectedValue3);
NSLog(@"selected item value 1 of picker view is:%@",selectedItem3);
[QArray removeObjectAtIndex:row];
[QidArray removeObjectAtIndex:row];
}
[myPickerView selectRow:0 inComponent:0 animated:YES];
[bloodGroup resignFirstResponder];
[txtField1 resignFirstResponder];
[txtField2 resignFirstResponder];
}
-(NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView {
if (isBloodGroupFieldSelected) {
return 1;
}
else if(!isBloodGroupFieldSelected){
return 1;
}
else if(!isGenderGroupFieldSelected)
{
return 1;
}
return 0;
}
// #4
-(NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component {
if (isBloodGroupFieldSelected) {
return [QArray count];
}
else if(!isBloodGroupFieldSelected)
{
return [QArray count];
}
else if(!isGenderGroupFieldSelected)
{
return [QArray count];
}
return 0;
}
#pragma mark - UIPickerViewDelegate
// #5
-(NSString *)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component {
if (isBloodGroupFieldSelected) {
return QArray[row];
}
else if((!isBloodGroupFieldSelected) && (isGenderGroupFieldSelected))
{
return QArray[row];
}
else if(!isGenderGroupFieldSelected)
{
return QArray[row];
}
return 0;
}
- (void)textFieldDidBeginEditing:(UITextField *)textField {
if (textField == bloodGroup) {
isBloodGroupFieldSelected = YES;
NSMutableDictionary *dict = [[NSMutableDictionary alloc]initWithDictionary:[backUpArray objectAtIndex:0]];
NSString *str = [dict objectForKey:@"title"]?[dict objectForKey:@"title"]:@"";
NSString *selectInd = [dict objectForKey:@"selectedIndex"]?[dict objectForKey:@"selectedIndex"]:@"";
// [dict setObject:[NSString stringWithFormat:@"%ld",currentRow] forKey:@"selectedIndex"];
NSInteger *index = (int)[NSString stringWithFormat:@"%@",[dict objectForKey:@"selectedIndex"]].intValue;
int count = (int) index;
if(str.length > 0){
[QArray insertObject:str atIndex:0];
[QidArray insertObject:selectInd atIndex:0];
}
}
else if (textField == txtField1){
isBloodGroupFieldSelected = NO;
isGenderGroupFieldSelected = YES;
NSMutableDictionary *dict = [[NSMutableDictionary alloc]initWithDictionary:[backUpArray objectAtIndex:1]];
NSString *str = [dict objectForKey:@"title"]?[dict objectForKey:@"title"]:@"";
NSString *selectInd = [dict objectForKey:@"selectedIndex"]?[dict objectForKey:@"selectedIndex"]:@"";
NSInteger *index = (int)[NSString stringWithFormat:@"%@",[dict objectForKey:@"selectedIndex"]].intValue;
int count = (int) index;
if(str.length > 0){
[QArray insertObject:str atIndex:0];
[QidArray insertObject:selectInd atIndex:0];
}
}
else if (textField == txtField2){
isGenderGroupFieldSelected = NO;
isBloodGroupFieldSelected = NO;
NSMutableDictionary *dict = [[NSMutableDictionary alloc]initWithDictionary:[backUpArray objectAtIndex:2]];
NSString *str = [dict objectForKey:@"title"]?[dict objectForKey:@"title"]:@"";
NSString *selectInd = [dict objectForKey:@"selectedIndex"]?[dict objectForKey:@"selectedIndex"]:@"";
NSInteger *index = (int)[NSString stringWithFormat:@"%@",[dict objectForKey:@"selectedIndex"]].intValue;
int count = (int) index;
if(str.length > 0){
[QArray insertObject:str atIndex:0];
[QidArray insertObject:selectInd atIndex:0];
}
}
[myPickerView reloadAllComponents];
}
This is my json Response:
security question is :(
{
Question = "What is your first pet's name?";
QuestionID = 23;
},
{
Question = "Who was your first grade teacher?";
QuestionID = 24;
},
{
Question = "What city were you born in?";
QuestionID = 25;
},
{
Question = "What was your childhood nickname?";
QuestionID = 26;
},
{
Question = "What was the name of your elementary school?";
QuestionID = 27;
},
{
Question = "Where does your nearest relative live?";
QuestionID = 28;
},
{
Question = "In what city or town was your first job?";
QuestionID = 29;
},
{
Question = "Which is your first car? Edited ";
QuestionID = 30;
},
{
Question = "This is a test question";
QuestionID = 32;
},
{
Question = "What is your Mother's maiden name?";
QuestionID = 33;
},
{
Question = "What is your Last name?";
QuestionID = 35;
},
{
Question = "What is the last 4 of your SSN?";
QuestionID = 36;
},
{
Question = "What is your Date of Birth? (MM/DD/YYYY)";
QuestionID = 37;
}
)