//
// RootViewController.m
// UI7_UINavigationController
//
// Created by YIem on 15/12/15.
// Copyright (c) 2015年 www.yiem.net YIem博客. All rights reserved.
//

import "RootViewController.h"

@interface RootViewController ()

@end

@implementation RootViewController

(void)viewDidLoad {

[super viewDidLoad];
// Do any additional setup after loading the view.
self.view.backgroundColor = [UIColor redColor];

//********< 导航栏设置>************//
//< 半透明效果 >****
self.navigationController.navigationBar.translucent = YES;
// 半透明下 坐标原点在屏幕左上角   默认半透明
// 不透明下 坐标原点在导航栏左下角

UIView *aview = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 100, 100)];
aview.backgroundColor = [UIColor yellowColor];
[self.view addSubview:aview];
[aview release];
//**< 显示/隐藏> ****
self.navigationController.navigationBarHidden = NO;
//**< 导航栏背景颜色>****
self.navigationController.navigationBar.backgroundColor = [UIColor grayColor];
//**< 导航栏颜色>****
// 状态栏(statuBar)会跟随导航栏一起变色

// self.navigationController.navigationBar.barTintColor = [UIColor cyanColor];

//**< 导航栏样式 >****两种方式

// self.navigationController.navigationBar.barStyle = UIBarStyleBlack;

self.navigationController.navigationBar.barStyle = UIBarStyleDefault;

//*****<导航标题>***

// self.title = @"标题";

// self.navigationItem.title = @"标题";


//****< 导航标题视图 >****
UISegmentedControl *seg = [[UISegmentedControl alloc]initWithItems:@[@"电话", @"聊天"]];
seg.frame = CGRectMake(100, 100, 120, 30);
// 默认选中
seg.selectedSegmentIndex = 0;
// 添加到导航栏中间
self.navigationItem.titleView = seg;
[seg release];
//******< 导航栏按钮>****
// 左按钮

// self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonSystemItemCamera target:self action:@selector(left:)];

// 自定义 左按钮
self.navigationItem.leftBarButtonItem = [[[UIBarButtonItem alloc]initWithImage:[UIImage imageNamed:@"2"]style:UIBarButtonItemStylePlain target:self action:@selector(left:)] autorelease];
// 右按钮
self.navigationItem.rightBarButtonItem = [[[UIBarButtonItem alloc]initWithImage:[UIImage imageNamed:@"1"] style:UIBarButtonItemStylePlain target:self action:@selector(right:)]autorelease];

// self.navigationItem.rightBarButtonItems = [[[UIBarButtonItem alloc]initWithImage:[UIImage imageNamed:@""] style: target:self action:@selector(right:)] autorelease];


// 按钮对象
UIBarButtonItem *item1 =[[[UIBarButtonItem alloc]
  initWithBarButtonSystemItem:UIBarButtonSystemItemAdd target:self
  action:@selector(leftAction)] autorelease];
UIBarButtonItem *item2 =[[[UIBarButtonItem alloc]
  initWithBarButtonSystemItem:UIBarButtonSystemItemCamera target:self
  action:@selector(leftAction)] autorelease];
// 左按钮数组
self.navigationItem.leftBarButtonItems = @[item1, item2];
// 右按钮数组
self.navigationItem.rightBarButtonItems= @[item1,item2];


///******<  item颜色>****
self.navigationController.navigationBar.tintColor = [UIColor blackColor];

}

(void)leftAction
{
}
-(void)right:(UIBarButtonItem *)btn

{

NSLog(@"%@", btn);

}

(void)left:(UIBarButtonItem *)btn
{
```
NSLog(@"%@", btn);
```
}

(void)didReceiveMemoryWarning {

[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.

}

pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation

(void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {

// Get the new view controller using [segue destinationViewController].
// Pass the selected object to the new view controller.

}

@end

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2015-12-16 UI7_UINavigationController

import "RootViewController.h"

pragma mark - Navigation