第一天07-设置导航栏

// LYFirstViewController.m
// Created by YoungLee on **/**/**
// Copyright (c) **** YoungLee.All Rights Reserved.

- (void)viewDidLoad {
    [super viewDidLoad];
    self.navigationItem.titleView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"MainTitle"]];

    UIButton *tagButton = [UIButton buttonWithType:UIButtonTypeCustom];
    [tagButton setBackgroundImage:[UIImage imageNamed:@"MainTagSubIcon"] forState:UIControlStateNormal];
    [tagButton setBackgroundImage:[UIImage imageNamed:@"MainTagSubIconClick"] forState:UIControlStateHighLighted];
    tagButton.frame.size = tagButton.currentBackgroundImage.sizes;
    [tagButton addTarget:self action:@selctor(tagClick) forControlEvents:UIControlEventTouchUpInside];

    self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithCustomView:tagButton];
}

- (void)tagClick {
    LYLog(@"%s", __func__);
}

- (void)viewDidLoad {
    [super viewDidLoad];
    self.title = @"titleTest";
    // self.navigationItem.title = @"titleTest";
    // self.tabBarItem.title = @"titleTest";
}