ios 导航栏 点击barbutton的按钮 下拉列表

环境：xocde5.0.2+ios7.0.1

1、导航栏 ----点击科目--------下拉列表

代码：NGRightTableViewViewController.h

#import <UIKit/UIKit.h>

@protocol PulldownMenuDelegate

-(void)menuItemSelected:(NSIndexPath *)indexPath;

-(void)pullDownAnimated:(BOOL)open;

@end



@interface NGRightTableViewViewController : UITableViewController<UITableViewDataSource,UITableViewDelegate>{

 id<PulldownMenuDelegate> pulldelegate;



}



@property (nonatomic, retain) id<PulldownMenuDelegate> pulldelegate;

@property (nonatomic,strong) NSMutableArray *tableViewArray;

@property (nonatomic,strong) NSString *cellString;



-(NSString *) cellString;

@end



NGViewController.h的代码：

#import <UIKit/UIKit.h>

#import "NGRightTableViewViewController.h"

@interface NGViewController : UIViewController<PulldownMenuDelegate>

//- (IBAction)jumpBut:(id)sender;



@property (nonatomic, retain) NGRightTableViewViewController *rtvv;

@end

.m部分代码：

- (void)viewDidLoad

{

    [super viewDidLoad];

    // Do any additional setup after loading the view, typically from a nib.

//    UINavigationController *nav=[[UINavigationController alloc]initWithRootViewController:viewController];

    

    mArray=[[NSMutableArray alloc] initWithObjects:@"uuuuuu",@"qqqu",@"qqqq",@"rrrr",@"yyyyy", nil];

    

    UIButton *secondBut=[[UIButton alloc] initWithFrame:CGRectMake(120, 340, 40, 40)];

    [secondBut setTintColor:[UIColor blueColor]];

    [secondBut setTitle:@"第二" forState:UIControlStateNormal];

    [secondBut setTitleColor:[UIColor redColor] forState:UIControlStateNormal];

    secondBut.titleLabel.font = [UIFont fontWithName:@"System-Bold" size:25.0f];

    [secondBut addTarget:self action:@selector(jumpBut:) forControlEvents:UIControlEventTouchUpInside];

    [self.view addSubview:secondBut];

    

    

    UIBarButtonItem *leftBarBtn = [[UIBarButtonItem alloc] initWithTitle:@"触摸" style:UIBarButtonItemStyleBordered target:self action:@selector(leftBarBtnClicked:)];

    self.navigationItem.leftBarButtonItem = leftBarBtn;

    

    UIBarButtonItem *rightBarBtn = [[UIBarButtonItem alloc] initWithTitle:@"科目" style:UIBarButtonItemStyleBordered target:self action:@selector(rightBarBtnClicked:)];

    self.navigationItem.rightBarButtonItem = rightBarBtn;

    if (rtvv==nil) {

        rtvv=[[NGRightTableViewViewController alloc] init];



    }

    rtvv.tableViewArray=mArray;

//    rtvv.view.frame=CGRectMake(0, 0, 320, 300);

    rtvv.view.frame=CGRectMake(150, 64, 165, 120);

    [self addChildViewController:rtvv];

    [self.view addSubview:rtvv.view];

    rtvv.pulldelegate=self;

    [rtvv.view setHidden:YES];

//    [self.view presentedViewController:rtvv.view];

    

//    [self.. reloadData];

   

}

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另外有：textField相应keywoard的高度自己主动适应：