define BOOLFORKEY @"GuidePage"
@interface GuidePageView ()<UIScrollViewDelegate>
@property (nonatomic, strong) UIScrollView *scrollView;
@property (nonatomic, strong) UIPageControl *pageControl;
@end
@implementation GuidePageView
-
(instancetype)initWithFrame:(CGRect)frame
{
if (self = [super initWithFrame:frame]) {[self show];}
return self;
} -
(void)show
{if (![[NSUserDefaults standardUserDefaults] boolForKey:BOOLFORKEY]) {
[[NSUserDefaults standardUserDefaults] setBool:YES forKey:BOOLFORKEY]; // 自定义引导界面 [self pushGuideView];}
}
// 加载视图
-
(void)pushGuideView
{
UIWindow *window = [UIApplication sharedApplication].keyWindow;
self.frame = window.bounds;
[window addSubview:self];_scrollView = [[UIScrollView alloc]initWithFrame:CGRectMake(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT)];
[self addSubview:_scrollView];
_scrollView.backgroundColor = [UIColor whiteColor];
_scrollView.delegate = self;
_scrollView.contentSize = CGSizeMake(SCREEN_WIDTH * 4, SCREEN_HEIGHT);
_scrollView.bounces = NO;
_scrollView.pagingEnabled = YES;
_scrollView.showsHorizontalScrollIndicator = NO;for (NSInteger i = 0; i < 4; i++) {
UIImageView *imageView = [[UIImageView alloc]initWithFrame:CGRectMake(SCREEN_WIDTH * i, 0, SCREEN_WIDTH, SCREEN_HEIGHT)]; NSString *imageName = [NSString stringWithFormat:@"start_%ld",i + 1]; imageView.image = [UIImage imageNamed:imageName]; imageView.userInteractionEnabled = YES; if (i == 3) { UIButton *startBtn = [UIButton buttonWithType:UIButtonTypeSystem]; [startBtn setTitle:@"开始体验" forState:UIControlStateNormal]; startBtn.layer.masksToBounds = YES; [startBtn setTitleColor:[UIColor colorWithHex:@"722b04"] forState:UIControlStateNormal]; startBtn.titleLabel.font = [UIFont systemFontOfSize:19]; startBtn.layer.cornerRadius = 20; startBtn.backgroundColor = [UIColor colorWithHex:kAppDefaultColor_yellow]; [startBtn addTarget:self action:@selector(buttonClick) forControlEvents:UIControlEventTouchUpInside]; [imageView addSubview:startBtn]; [startBtn mas_makeConstraints:^(MASConstraintMaker *make) { make.bottom.equalTo(imageView.mas_bottom).offset(-50); make.centerX.equalTo(imageView.mas_centerX); make.width.equalTo(@170); make.height.equalTo(@40); }]; } [_scrollView addSubview:imageView];}
_pageControl = [[UIPageControl alloc]initWithFrame:CGRectMake(SCREEN_WIDTH * 0.0, SCREEN_HEIGHT * 0.9, SCREEN_WIDTH * 1.0, SCREEN_HEIGHT * 0.1)];
_pageControl.currentPage = 0;
_pageControl.numberOfPages = 4;
_pageControl.pageIndicatorTintColor = [UIColor grayColor];
_pageControl.currentPageIndicatorTintColor = [UIColor colorWithHex:kAppDefaultColor_yellow];
[self addSubview:_pageControl];
} (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollview
{
int page = scrollview.contentOffset.x / scrollview.frame.size.width;
[_pageControl setCurrentPage:page];
}-
(void)buttonClick
{
[UIView animateWithDuration:1.5 animations:^{self.alpha = 0;} completion:^(BOOL finished) {
[self removeFromSuperview];}];
}
@end
