#import "MRHomeViewController.h"
#import "MRNavigationController.h"
#import "Header.h"
#import "UIImage+MJ.h"
#import "UIBarButtonItem+MJ.h"
#import "MRTitleButton.h"
@interface MRHomeViewController ()

@end

@implementation MRHomeViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    //左邊按鈕
    self.navigationItem.leftBarButtonItem = [UIBarButtonItem itemWithIcon:@"navigationbar_friendsearch" highIcon:@"navigationbar_friendsearch_highlighted" action:@selector(findFriend) target:self];
    //右邊按鈕
    self.navigationItem.rightBarButtonItem = [UIBarButtonItem itemWithIcon:@"navigationbar_pop" highIcon:@"navigationbar_pop_highlighted" action:@selector(pop) target:self];

    
    //中間按鈕
    MRTitleButton *titleButton = [[MRTitleButton alloc]init];
    titleButton.bounds = CGRectMake(0, 0, 100, 40);
    [titleButton setImage:[UIImage imageWithName:@"navigationbar_arrow_down"] forState:UIControlStateNormal];
    [titleButton setTitle:@"好友圈" forState:UIControlStateNormal];
    [titleButton setTitleColor:[UIColor redColor] forState:UIControlStateNormal];
    [titleButton addTarget:self action:@selector(titleClick:) forControlEvents:UIControlEventTouchUpInside];
    
    self.navigationItem.titleView = titleButton;
    
    
}
- (void)titleClick:(MRTitleButton *)titleButton
{
    if (titleButton.tag == -1) {
        [titleButton setImage:[UIImage imageWithName:@"navigationbar_arrow_down"] forState:UIControlStateNormal];
        titleButton.tag = 0;
    } else {
        [titleButton setImage:[UIImage imageWithName:@"navigationbar_arrow_up"] forState:UIControlStateNormal];
        titleButton.tag = -1;
    }
}
-(void)findFriend
{
    NSLog(@"--------findFriend");
}

-(void)pop
{
    NSLog(@"------------pop");
}
- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

#pragma mark - Table view data source

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
#warning Potentially incomplete method implementation.
    // Return the number of sections.
    return 1;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
#warning Incomplete method implementation.
    // Return the number of rows in the section.
    return 20;
}


- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    static NSString *ID = @"cell";
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:ID];
    
    if (cell == nil) {
        cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:ID];
    }
    
    // Configure the cell...
    cell.textLabel.text = @"HHHHHHHH";
    return cell;
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    UIViewController *vc = [[UIViewController alloc]init];
    vc.view.backgroundColor = [UIColor redColor];
	//隱藏下面的TabBar
    //vc.hidesBottomBarWhenPushed = YES;
    [self.navigationController pushViewController:vc animated:YES];
}


@end
 

3.UIBarButtonItem新增分類

+ (UIBarButtonItem*)itemWithIcon:(NSString*)icon highIcon:(NSString*)highIcon action:(SEL)action target:(id)target
{
    UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
    [button setBackgroundImage:[UIImage imageWithName:icon] forState:UIControlStateNormal];
    [button setBackgroundImage:[UIImage imageWithName:highIcon] forState:UIControlStateHighlighted];
    button.bounds = CGRectMake(0, 0, button.currentBackgroundImage.size.width , button.currentBackgroundImage.size.height);
    [button addTarget:target action:action forControlEvents:UIControlEventTouchUpInside];
    
    return [[UIBarButtonItem alloc]initWithCustomView:button];
    
}