From 7b02207537d35bfa1714bf8beafc921f717d100a Mon Sep 17 00:00:00 2001
From: 单军华
Date: Wed, 11 Jul 2018 10:47:42 +0800
Subject: [PATCH] 首次上传

---
 screendisplay/screendisplay/Classes/Helpers/欢迎页/LMJIntroductoryPagesView.m |  141 +++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 141 insertions(+), 0 deletions(-)

diff --git "a/screendisplay/screendisplay/Classes/Helpers/\346\254\242\350\277\216\351\241\265/LMJIntroductoryPagesView.m" "b/screendisplay/screendisplay/Classes/Helpers/\346\254\242\350\277\216\351\241\265/LMJIntroductoryPagesView.m"
new file mode 100755
index 0000000..1f73828
--- /dev/null
+++ "b/screendisplay/screendisplay/Classes/Helpers/\346\254\242\350\277\216\351\241\265/LMJIntroductoryPagesView.m"
@@ -0,0 +1,141 @@
+//
+//  LMJIntroductoryPagesView.m
+//  iOSProject
+//
+//  Created by windshan on 2017/12/29.
+//  Copyright �� 2017��� windshan. All rights reserved.
+//
+
+#import "LMJIntroductoryPagesView.h"
+
+@interface LMJIntroductoryPagesView ()<UIScrollViewDelegate>
+/** <#digest#> */
+@property (nonatomic, strong) NSArray<NSString *> *imagesArray;
+
+@property (nonatomic,strong) UIPageControl *pageControl;
+
+/** <#digest#> */
+@property (weak, nonatomic) UIScrollView *scrollView;
+
+@end
+
+@implementation LMJIntroductoryPagesView
+
++ (instancetype)pagesViewWithFrame:(CGRect)frame images:(NSArray<NSString *> *)images
+{
+    LMJIntroductoryPagesView *pagesView = [[self alloc] initWithFrame:frame];
+    pagesView.imagesArray = images;
+    return pagesView;
+}
+
+
+
+- (void)setupUIOnce
+{
+    self.backgroundColor = [UIColor clearColor];
+    
+    //������������
+    UITapGestureRecognizer *singleRecognizer;
+    singleRecognizer = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(handleSingleTapFrom)];
+    singleRecognizer.numberOfTapsRequired = 1;
+    [self.scrollView addGestureRecognizer:singleRecognizer];
+}
+
+- (void)setImagesArray:(NSArray<NSString *> *)imagesArray {
+    _imagesArray = imagesArray;
+    [self loadPageView];
+}
+
+- (void)loadPageView
+{
+    [self.scrollView.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)];
+    self.scrollView.contentSize = CGSizeMake((self.imagesArray.count + 1) * kScreenWidth, kScreenHeight);
+    self.pageControl.numberOfPages = self.imagesArray.count;
+    
+    [self.imagesArray enumerateObjectsUsingBlock:^(NSString * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
+        
+        YYAnimatedImageView *imageView = [[YYAnimatedImageView alloc]init];
+        
+        imageView.frame = CGRectMake(idx * kScreenWidth, 0, kScreenWidth, kScreenHeight);
+        
+        YYImage *image = [YYImage imageNamed:obj];
+        
+        [imageView setImage:image];
+        
+        [self.scrollView addSubview:imageView];
+    }];
+}
+
+-(void)handleSingleTapFrom
+{
+    if (_pageControl.currentPage == self.imagesArray.count-1) {
+        [self removeFromSuperview];
+    }
+}
+
+- (void)scrollViewDidScroll:(UIScrollView *)scrollView {
+    CGPoint offSet = scrollView.contentOffset;
+    NSInteger page = (offSet.x / (self.bounds.size.width) + 0.5);
+    self.pageControl.currentPage = page;//���������������������
+    self.pageControl.hidden = (page > self.imagesArray.count - 1);
+}
+
+-(void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView
+{
+    if (scrollView.contentOffset.x >= (_imagesArray.count) * kScreenWidth) {
+        [self removeFromSuperview];
+    }
+}
+
+
+- (UIScrollView *)scrollView
+{
+    if(!_scrollView)
+    {
+        UIScrollView *scrollView = [[UIScrollView alloc] initWithFrame:self.bounds];
+        [self addSubview:scrollView];
+        scrollView.backgroundColor = [UIColor clearColor];
+        scrollView.pagingEnabled = YES;//������������
+        scrollView.bounces = NO;
+        scrollView.showsHorizontalScrollIndicator = NO;
+        scrollView.delegate = self;
+        _scrollView = scrollView;
+    }
+    return _scrollView;
+}
+
+- (UIPageControl *)pageControl
+{
+    if(!_pageControl)
+    {
+        UIPageControl *pageControl = [[UIPageControl alloc]initWithFrame:CGRectMake(kScreenWidth/2, kScreenHeight - 60, 0, 40)];
+        pageControl.backgroundColor = [UIColor RandomColor];
+        pageControl.pageIndicatorTintColor = [UIColor RandomColor];
+        pageControl.currentPageIndicatorTintColor = [UIColor RandomColor];
+        [self addSubview:pageControl];
+        _pageControl = pageControl;
+    }
+    return _pageControl;
+}
+
+- (instancetype)initWithFrame:(CGRect)frame
+{
+    if (self = [super initWithFrame:frame]) {
+        [self setupUIOnce];
+    }
+    return self;
+}
+
+- (void)awakeFromNib
+{
+    [super awakeFromNib];
+    [self setupUIOnce];
+}
+
+- (void)layoutSubviews
+{
+    [super layoutSubviews];
+}
+
+
+@end

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