【代码笔记】iOS-下拉选项cell

一，效果图。

二，工程图。

三，代码。

RootViewController.h

#import <UIKit/UIKit.h>
//加入头文件
#import "ComboBoxView.h"

@interface RootViewController : UIViewController
{
    ComboBoxView        *_comboBox;
}

@end

RootViewController.m

#import "RootViewController.h"

@interface RootViewController ()

@end

@implementation RootViewController

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        // Custom initialization
    }
    return self;
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view.

    self.navigationController.navigationBarHidden=YES;

    NSArray *comboBoxDatasource = [[NSArray alloc] initWithObjects:@"one", @"two", @"three", @"four", @"five", @"six", @"seven", @"eight", nil];
    _comboBox = [[ComboBoxView alloc] initWithFrame:CGRectMake(20, 20, 280, 140)];
    _comboBox.comboBoxDatasource = comboBoxDatasource;
    _comboBox.backgroundColor = [UIColor clearColor];
    [_comboBox setContent:[comboBoxDatasource objectAtIndex:0]];
    [self.view addSubview:_comboBox];

}