用户引导界面Demo
// RootViewController.m
// LessonUIPageControl
// Copyright (c) 2014年 Summer [email protected]. All rights reserved.
#import"RootViewController.h"
@interfaceRootViewController ()<UIScrollViewDelegate>
@end
@implementation RootViewController
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNilbundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
returnself;
}
- (void)viewDidLoad
{
[superviewDidLoad];
// Do any additional setup after loading the view.
self.view.backgroundColor = [UIColoryellowColor];
//存储用户的偏好设置,存储在本地,比如:程序是否是第一次加载
NSUserDefaults *userDefaults = [NSUserDefaultsstandardUserDefaults];
if (![userDefaults boolForKey:@"aa"]) {
[selfsetupFirstLanchView];
[userDefaultssetBool:YESforKey:@"aa"];
//立即同步
[userDefaultssynchronize];
}
}
//创建程序第一次加载要显示的视图
- (void)setupFirstLanchView
{
[selfsetupScrollView];
[selfsetupPageControl];
}
- (void)setupScrollView
{
UIScrollView *scrollView = [[UIScrollViewalloc]initWithFrame:[UIScreenmainScreen].bounds];
scrollView.delegate =self;
[self.viewaddSubview:scrollView];
//关闭水平方向上的滚动条
scrollView.showsHorizontalScrollIndicator =NO;
//是否可以整屏滑动
scrollView.pagingEnabled =YES;
scrollView.tag =200;
[scrollViewrelease];
scrollView.contentSize =CGSizeMake(320 *6, [UIScreen mainScreen].bounds.size.height);
for (int i = 0; i < 6; i++) {
UIImageView *imageView = [[UIImageView alloc] initWithFrame:CGRectMake(320 * i,0,320, [UIScreenmainScreen].bounds.size.height)];
imageView.image = [UIImageimageWithContentsOfFile:[[NSBundlemainBundle]pathForResource:[NSStringstringWithFormat:@"v6_guide_%d", i +1]ofType:@"png"]];
[scrollViewaddSubview:imageView];
[imageViewrelease];
}
}
- (void)setupPageControl
{
/**
* UIPageControl
1.表示页数
2.表示当前正处于第几页
3.点击切换页数
*/
UIPageControl *pageControl = [[UIPageControl alloc] initWithFrame:CGRectMake(10, [UIScreenmainScreen].bounds.size.height -40, 300, 20)];
pageControl.tag =100;
//设置表示的页数
pageControl.numberOfPages =6;
//设置选中的页数
pageControl.currentPage =0;
//设置未选中点的颜色
pageControl.pageIndicatorTintColor = [UIColorgrayColor];
//设置选中点的颜色
pageControl.currentPageIndicatorTintColor = [UIColorblackColor];
//添加响应事件
[pageControladdTarget:selfaction:@selector(handlePageControl:)forControlEvents:UIControlEventValueChanged];
[self.viewaddSubview:pageControl];
[pageControlrelease];
}
- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView
{
UIPageControl *pagControl = (UIPageControl *)[self.view viewWithTag:100];
pagControl.currentPage = scrollView.contentOffset.x / 320;
}
- (void)handlePageControl:(UIPageControl *)pageControl
{
//切换pageControl .对应切换scrollView不同的界面
UIScrollView *scrollView = (UIScrollView *)[self.viewviewWithTag:200];
//
[scrollViewsetContentOffset:CGPointMake(320 * pageControl.currentPage,0)animated:YES];
}
- (void)didReceiveMemoryWarning
{
[superdidReceiveMemoryWarning];
// 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.
}
*/