2015-12-16 - UI7-----练习

//
// RootViewController.m
// UI7_练习
//
// 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];

    /// 要求
    // 1.创建工程 设置导航为根视图 rootVC为导航的根视图
    // 2.rootVC中创建一个和屏幕一样大的scrollView 让scrollView可以滚动
    // 3.新建一个UIView对象 添加在scrollView上 frame为(0, 0, 100, 100)
    // UIView *aview = [[UIView alloc]initWithFrame:CGRectMake(0, 0, 100, 100)];
    // aview.backgroundColor = [UIColor yellowColor];
    // [self.view addSubview:aview];
    // [aview release];

    UIScrollView *scrollView = [[UIScrollView alloc] initWithFrame:CGRectMake(0, 0, 375 / 2, 667)];
    scrollView.backgroundColor = [UIColor yellowColor];
    scrollView.contentSize = CGSizeMake(1000, 1000);
    [self.view addSubview:scrollView];
    [scrollView release];
    //
    UIView *aView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 100, 100)];
    aView.backgroundColor = [UIColor cyanColor];
    [scrollView addSubview:aView];
    [aView release];
    // 多个页面

    UIScrollView *scrollView1 = [[UIScrollView alloc] initWithFrame:CGRectMake(375 / 2, 0, 375 / 2, 667)];
    scrollView1.backgroundColor = [UIColor redColor];
    scrollView1.contentSize = CGSizeMake(self.view.frame.size.width * 4, 0);
    [self.view addSubview:scrollView1];
    [scrollView1 release];
    //
    UIView *aView1 = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 100, 100)];
    aView1.backgroundColor = [UIColor cyanColor];
    [scrollView1 addSubview:aView1];
    [aView1 release];

    ///*******<滑动视图自适应边界预留值>*** // VC 中的第一个滑动视图会自动添加一个上边距
    self.automaticallyAdjustsScrollViewInsets = YES;
    ////****< >
    // 导航栏不透明时 坐标系统一没问题
    self.navigationController.navigationBar.translucent = NO;

// 标题
UISegmentedControl *seg = [[UISegmentedControl alloc]initWithItems:@[@"电话", @"聊天"]];
seg.frame = CGRectMake(100, 100, 100, 40);
seg.selectedSegmentIndex = 0;
self.navigationItem.titleView = seg;
[seg release];

}

  • (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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