#import "HomeGuidePageView.h"
#import "HomeGuidePageViewCell.h"
@interface HomeGuidePageView ()<UICollectionViewDelegateFlowLayout, UICollectionViewDelegate, UICollectionViewDataSource>
@property (nonatomic, strong) UICollectionView *collectionView;
@property (nonatomic, strong) UIPageControl *pageControl;
@property (nonatomic, strong) UIButton *startBut; // 立即体验
@property (nonatomic, strong) UIButton *skipBut; // 跳过
@property (nonatomic, strong) NSArray *iconArr;
@end
@implementation HomeGuidePageView
- (instancetype)initWithFrame:(CGRect)frame {
self = [super initWithFrame:frame];
if (self) {
[self createArray];
[self setupUI];
}
return self;
}
- (void)setupUI {
UIEdgeInsets insets = UIEdgeInsetsMake(20, 0, 0, 0);
if (@available(iOS 11.0, *)) {
insets = [UIApplication sharedApplication].keyWindow.safeAreaInsets;
}
UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
layout.scrollDirection = UICollectionViewScrollDirectionHorizontal;
UICollectionView *collectionView = [[UICollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:layout];
collectionView.delegate = self;
collectionView.dataSource = self;
collectionView.pagingEnabled = YES;
collectionView.scrollEnabled = YES;
collectionView.showsHorizontalScrollIndicator = NO;
[self addSubview:collectionView];
[collectionView makeConstraints:^(MASConstraintMaker *make) {
make.edges.equalTo(self);
}];
[collectionView registerClass:[HomeGuidePageViewCell class] forCellWithReuseIdentifier:NSStringFromClass([HomeGuidePageViewCell class])];
self.collectionView = collectionView;
self.collectionView.backgroundColor = [UIColor whiteColor];
_pageControl = [[UIPageControl alloc] init];
_pageControl.numberOfPages = self.iconArr.count; // 指定页面个数
_pageControl.currentPage = 0; // 指定pagecontroll的值，默认选中的小白点（第一个）
_pageControl.pageIndicatorTintColor = RGBA(212, 212, 212, 1);// 设置非选中页的圆点颜色
_pageControl.currentPageIndicatorTintColor = RGBA(25, 170, 167, 1); // 设置选中页的圆点颜色
[self addSubview:self.pageControl];
[self.pageControl makeConstraints:^(MASConstraintMaker *make) {
make.centerX.equalTo(self);
make.centerY.mas_equalTo(self.mas_bottom).offset(-[UIScreen mainScreen].bounds.size.width/375*50);
make.width.mas_equalTo([UIScreen mainScreen].bounds.size.width/375*180);
make.height.mas_equalTo([UIScreen mainScreen].bounds.size.width/375*20);
}];
// [self.pageControl addTarget:self action:@selector(clickSelectPage:) forControlEvents:UIControlEventValueChanged];
_startBut = [UIButton buttonWithType:UIButtonTypeCustom];
[_startBut setBackgroundImage:[UIImage imageNamed:@"homeGuidePageView5_icon"] forState:UIControlStateNormal];
[self.startBut addTarget:self action:@selector(clickSkipAction) forControlEvents:UIControlEventTouchUpInside];
[self addSubview:self.startBut];
[self.startBut makeConstraints:^(MASConstraintMaker *make) {
make.centerX.equalTo(self);
make.centerY.mas_equalTo(self.mas_bottom).offset(-[UIScreen mainScreen].bounds.size.width/375*50);
make.width.mas_equalTo([UIScreen mainScreen].bounds.size.width/375*114);
make.height.mas_equalTo([UIScreen mainScreen].bounds.size.width/375*35);
}];
self.startBut.hidden = YES;
_skipBut = [UIButton buttonWithType:UIButtonTypeCustom];
[_skipBut setBackgroundImage:[UIImage imageNamed:@"homeGuidePageView6_icon"] forState:UIControlStateNormal];
[self.skipBut addTarget:self action:@selector(clickSkipAction) forControlEvents:UIControlEventTouchUpInside];
[self addSubview:self.skipBut];
[self.skipBut makeConstraints:^(MASConstraintMaker *make) {
make.top.mas_equalTo(self.mas_top).offset([UIScreen mainScreen].bounds.size.width/375*20+insets.top);
make.right.mas_equalTo(self.mas_right).offset(-[UIScreen mainScreen].bounds.size.width/375*20);
make.width.mas_equalTo([UIScreen mainScreen].bounds.size.width/375*74);
make.height.mas_equalTo([UIScreen mainScreen].bounds.size.width/375*35);
}];
}
- (void)createArray {
self.iconArr = @[
@{@"icon_img":@"homeGuidePageView1_icon", @"num":@"1"},
@{@"icon_img":@"homeGuidePageView2_icon", @"num":@"2"},
@{@"icon_img":@"homeGuidePageView3_icon", @"num":@"3"},
@{@"icon_img":@"homeGuidePageView4_icon", @"num":@"4"}
];
}
- (void)clickSelectPage:(UIPageControl *)pageControl {
// pageControl.currentPage
}
- (void)clickSkipAction {
[[NSUserDefaults standardUserDefaults] setObject:@"1" forKey:@"homeGuidePage"];
[[NSUserDefaults standardUserDefaults] synchronize];
[self removeFromSuperview];
if (self.removeGuidePageViewBlock) {
self.removeGuidePageViewBlock();
}
}
- (void)scrollViewDidScroll:(UIScrollView *)scrollView {
// NSLog(@"开始滑动 scrollView.contentOffset.x = %.2f ", scrollView.contentOffset.x);
// 整个引导页先弄一个UIViewController，在VC中添加其他需要的东西，比如一个UICollectionView、“跳过”按钮，和翻页控件UIpageControl
// 可以设置刚开始进入APP时的引导图，可以使用UICollectionView，再在上面添加“跳过”按钮
// 原理：当scrollView.contentOffset.x < 0时，禁止向右滑动，同理，滑到最后一个item，也设置禁止在向左滑动
if (scrollView.contentOffset.x < 0 || scrollView.contentOffset.x > [UIScreen mainScreen].bounds.size.width*3) {
self.collectionView.scrollEnabled = NO;
} else {
self.collectionView.scrollEnabled = YES;
}
// if (scrollView.contentOffset.x > [UIScreen mainScreen].bounds.size.width*4) {
// self.collectionView.scrollEnabled = NO;
// } else {
// self.collectionView.scrollEnabled = YES;
// }
if (scrollView.contentOffset.x >= [UIScreen mainScreen].bounds.size.width*3) {
self.pageControl.hidden = YES;
self.startBut.hidden = NO;
self.skipBut.hidden = YES;
} else {
self.pageControl.hidden = NO;
self.startBut.hidden = YES;
self.skipBut.hidden = NO;
}
if (scrollView.contentOffset.x < [UIScreen mainScreen].bounds.size.width*1) {
self.pageControl.currentPage = 0;
} else if (scrollView.contentOffset.x >= [UIScreen mainScreen].bounds.size.width*1 && scrollView.contentOffset.x < [UIScreen mainScreen].bounds.size.width*2) {
self.pageControl.currentPage = 1;
} else if (scrollView.contentOffset.x >= [UIScreen mainScreen].bounds.size.width*2 && scrollView.contentOffset.x < [UIScreen mainScreen].bounds.size.width*3) {
self.pageControl.currentPage = 2;
} else if (scrollView.contentOffset.x >= [UIScreen mainScreen].bounds.size.width*3 && scrollView.contentOffset.x < [UIScreen mainScreen].bounds.size.width*4) {
self.pageControl.currentPage = 3;
}
}
- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView {
return 1;
}
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
return self.iconArr.count;
}
- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath {
// item 大小
return CGSizeMake(self.frame.size.width, self.frame.size.height);
}
- (CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout minimumLineSpacingForSectionAtIndex:(NSInteger)section {
// 行间距（上下）
// return 40;
return [UIScreen mainScreen].bounds.size.width/375*0;
}
- (CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout minimumInteritemSpacingForSectionAtIndex:(NSInteger)section {
// 列间距（左右）
return [UIScreen mainScreen].bounds.size.width/375*0;
}
- (UIEdgeInsets)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout insetForSectionAtIndex:(NSInteger)section {
return UIEdgeInsetsMake(0, 0, 0, 0);
}
- (__kindof UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
HomeGuidePageViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:NSStringFromClass([HomeGuidePageViewCell class]) forIndexPath:indexPath];
if (self.iconArr.count > 0) {
cell.iconDic = self.iconArr[indexPath.row];
}
return cell;
}
- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
}
网友评论