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创建HomeViewController并作为导航根视图

//根视图控制器
#import "HomeViewController.h"
//自己创建的c
#import "MenuViewController.h"
//导入FF的头
#import "FFDropDownMenuView.h"
@interface HomeViewController ()<FFDropDownMenuViewDelegate>
/** 下拉菜单 */
@property (nonatomic, strong) FFDropDownMenuView *dropdownMenu;
@end

@implementation HomeViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    /** 初始化下拉菜单 */
    [self setupDropDownMenu];
    
    self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAdd target:self action:@selector(showDropDownMenu)];
}

/** 初始化下拉菜单 */
- (void)setupDropDownMenu {
    NSArray *modelsArray = [self getMenuModelsArray];
    
    self.dropdownMenu = [FFDropDownMenuView ff_DefaultStyleDropDownMenuWithMenuModelsArray:modelsArray menuWidth:FFDefaultFloat eachItemHeight:FFDefaultFloat menuRightMargin:FFDefaultFloat triangleRightMargin:FFDefaultFloat];
    
    //如果有需要，可以设置代理（非必须）
    self.dropdownMenu.delegate = self;
    
    self.dropdownMenu.ifShouldScroll = NO;
    
    
    [self.dropdownMenu setup];
}


/** 获取菜单模型数组 */
- (NSArray *)getMenuModelsArray {
    __weak typeof(self) weakSelf = self;
    
    //菜单模型0
    FFDropDownMenuModel *menuModel0 = [FFDropDownMenuModel ff_DropDownMenuModelWithMenuItemTitle:@"QQ" menuItemIconName:@"menu2"  menuBlock:^{
        MenuViewController *vc = [MenuViewController new];
        vc.navigationItem.title = @"QQ";
        [weakSelf.navigationController pushViewController:vc animated:YES];
    }];
    
    
    //菜单模型1
    FFDropDownMenuModel *menuModel1 = [FFDropDownMenuModel ff_DropDownMenuModelWithMenuItemTitle:@"Line" menuItemIconName:@"menu1" menuBlock:^{
        MenuViewController *vc = [MenuViewController new];
        vc.navigationItem.title = @"Line";
        [weakSelf.navigationController pushViewController:vc animated:YES];
    }];
    
    //菜单模型2
    FFDropDownMenuModel *menuModel2 = [FFDropDownMenuModel ff_DropDownMenuModelWithMenuItemTitle:@"Twitter" menuItemIconName:@"menu0" menuBlock:^{
        MenuViewController *vc = [MenuViewController new];
        vc.navigationItem.title = @"Twitter";
        [weakSelf.navigationController pushViewController:vc animated:YES];
    }];
    
    //菜单模型3
    FFDropDownMenuModel *menuModel3 = [FFDropDownMenuModel ff_DropDownMenuModelWithMenuItemTitle:@"QZone" menuItemIconName:@"menu3"  menuBlock:^{
        MenuViewController *vc = [MenuViewController new];
        vc.navigationItem.title = @"QZone";
        [weakSelf.navigationController pushViewController:vc animated:YES];
    }];
    //菜单模型4
    FFDropDownMenuModel *menuModel4 = [FFDropDownMenuModel ff_DropDownMenuModelWithMenuItemTitle:@"WeChat" menuItemIconName:@"menu4"  menuBlock:^{
        MenuViewController *vc = [MenuViewController new];
        vc.navigationItem.title = @"WeChat";
        [weakSelf.navigationController pushViewController:vc animated:YES];
    }];
    //菜单模型5
    FFDropDownMenuModel *menuModel5 = [FFDropDownMenuModel ff_DropDownMenuModelWithMenuItemTitle:@"Facebook" menuItemIconName:@"menu5"  menuBlock:^{
        MenuViewController *vc = [MenuViewController new];
        vc.navigationItem.title = @"Facebook";
        [weakSelf.navigationController pushViewController:vc animated:YES];
    }];
    
    NSArray *menuModelArr = @[menuModel0, menuModel1, menuModel2, menuModel3, menuModel4, menuModel5];
    return menuModelArr;
}

/** 显示下拉菜单 */
- (void)showDropDownMenu {
    [self.dropdownMenu showMenu];
}


//=================================================================
//                      FFDropDownMenuViewDelegate
//=================================================================
#pragma mark - FFDropDownMenuViewDelegate

/** 可以在这个代理方法中稍微小修改cell的样式，比如是否需要下划线之类的 */
/** you can modify menu cell style, Such as if should show underline */
- (void)ffDropDownMenuView:(FFDropDownMenuView *)menuView WillAppearMenuCell:(FFDropDownMenuBasedCell *)menuCell index:(NSInteger)index {
    
    //若果自定义cell的样式，则在这里将  menuCell 转换成你自定义的cell
    FFDropDownMenuCell *cell = (FFDropDownMenuCell *)menuCell;
    
    //如果自定义cell,你可以在这里进行一些小修改，比如是否需要下划线之类的
    //最后一个菜单选项去掉下划线（FFDropDownMenuCell 内部已经做好处理，最后一个是没有下划线的，以下代码只是举个例子）
    if (menuView.menuModelsArray.count - 1 == index) {
        cell.separaterView.hidden = YES;
    }
    
    else {
        cell.separaterView.hidden = NO;
    }
    
}

@end