Dynamically Assign Selected Value Placed in TextField using Tag for iOS

DetailViewController.h

UIView *detail_view;

NSArray *functions;

int tag_selected;

UITextField *text_field;

UITableView *btn_dropdown;

UITableView *tbl_dropdown;

DetailViewController.m

-(void)viewDidLoad

{

detail_view = [[UIView alloc]init];

functions = [[NSArray alloc]initWithObjects:@"Buy Gold",@"Buy Silver",@"Buy Diamond",@"Golden day",@"Good Friday",@"Pongal", nil];

[tbl_dropdown reloadData];

int y_val = 60;

    for (int q = 0; q < functions.count; q++)

    {

        text_field = [[UITextField alloc]init];

        text_field.tag = q;

        text_field.frame = CGRectMake(13, y_val, 230, 40);

        UIView *paddingTextfield = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 20, 42)];

        text_field.leftView = paddingTextfield;

        text_field.leftViewMode = UITextFieldViewModeAlways;

        text_field.placeholder = @"Enter Text";

        text_field.font = [UIFont fontWithName:@"Arial" size:18.0];

        text_field.textColor = [UIColor brownColor];

        text_field.borderStyle = UITextBorderStyleNone;

        text_field.returnKeyType = UIReturnKeyDone;

        text_field.delegate = self;

        text_field.backgroundColor = [UIColor whiteColor];

        text_field.layer.cornerRadius = 3;

        [detail_view addSubview:text_field];

btn_dropdown = [UIButton buttonWithType:UIButtonTypeCustom];

    btn_dropdown.tag = q;

    btn_dropdown.frame = text_field.frame;

    UIImage *btnImage= [UIImage imageNamed:@“cust_btn.png"];

    [btn_dropdown setImage:btnImage forState:UIControlStateNormal];

    [detail_view addSubview:btn_dropdown];

        

        y_val = y_val + 20;

    }

}

-(void)drop_table_clicked:(id)sender

{

    UIButton *btn = (UIButton *)sender;

    tag_selected = btn.tag;

tbl_dropdown.hidden = NO;

}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section

{

    if (tableView == tbl_dropdown)

    {

        return [functions count];

    }

return 1;

}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath

{

    static NSString *cell_Identifier = @"cell_Identifier";

    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cell_Identifier];

    if (cell == nil)

    {

        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cell_Identifier];

    }

    

    if (tableView == tbl_dropdown)

    {

        cell.textLabel.text = [functions objectAtIndex:indexPath.row];

}

return cell;

}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath

{

    if (tableView == tbl_dropdown)

    {

        tbl_dropdown.hidden = YES;

        NSString *str_text = [functions objectAtIndex:indexPath.row];

        NSLog(@"%@", str_text);

        

        NSLog(@"%d", tag_selected);

        text_field = (UITextField *)[detail_view viewWithTag:tag_selected];

        text_field.text = str_text;

    }

}