#define KUIScreenWidth [UIScreen mainScreen].bounds.size.width
#define KUIScreenHeight [UIScreen mainScreen].bounds.size.height
<UIScrollViewDelegate,SectionChooseVCDelegate>
//底部滚动ScrollView
@property(nonatomic,strong)UIScrollView*contentScrollView;
@property(nonatomic,strong)SectionChooseView *sectionChooseView;
self.view.backgroundColor = [UIColor yellowColor];
// 首次进入加载第一个界面通知
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(showFirstVC) name:@"ABC" object:nil];
//添加所有子控制器
[self setupChildViewController];
//初始化UIScrollView
[self setupUIScrollView];
}
- (void)showFirstVC {
[selfshowVc:0];
}
- (void)setupUIScrollView {
// 创建底部滚动视图
self.contentScrollView = [[UIScrollView alloc] init];
_contentScrollView.frame = CGRectMake(0, 44, KUIScreenWidth, KUIScreenHeight);
_contentScrollView.contentSize = CGSizeMake(self.view.frame.size.width * 2, 0);
//_contentScrollView.backgroundColor = [UIColor clearColor];
// 开启分页
_contentScrollView.pagingEnabled = YES;
// 没有弹簧效果
_contentScrollView.bounces = NO;
// 隐藏水平滚动条
_contentScrollView.showsHorizontalScrollIndicator = NO;
// 设置代理
_contentScrollView.delegate = self;
[self.view addSubview:_contentScrollView];
self.sectionChooseView = [[SectionChooseView alloc] initWithFrame:CGRectMake(0, 88, self.view.frame.size.width, 44) titleArray:@[@"全部", @"返厂精选"]];
self.sectionChooseView.selectIndex = 0;
self.sectionChooseView.delegate = self;
//self.sectionChooseView.normalBackgroundColor = [UIColor whiteColor];
//self.sectionChooseView.selectBackgroundColor = [UIColor orangeColor];;
self.sectionChooseView.titleNormalColor = [UIColor orangeColor];
self.sectionChooseView.titleSelectColor = [UIColor orangeColor];
self.sectionChooseView.normalTitleFont = 18;
self.sectionChooseView.selectTitleFont = 20;
[self.view addSubview:self.sectionChooseView];
}
#pragma mark -添加所有子控制器
-(void)setupChildViewController {
yiViewController *voucherUnusedVC = [[yiViewController alloc] init];
[selfaddChildViewController:voucherUnusedVC];
erViewController *voucherUsedVC = [[erViewController alloc] init];
[self addChildViewController:voucherUsedVC];
}
#pragma mark -SMCustomSegmentDelegate
- (void)SectionSelectIndex:(NSInteger)selectIndex {
NSLog(@"---------%ld",(long)selectIndex);
// 1 计算滚动的位置
CGFloatoffsetX = selectIndex *self.view.frame.size.width;
self.contentScrollView.contentOffset = CGPointMake(offsetX, 0);
// 2.给对应位置添加对应子控制器
[selfshowVc:selectIndex];
}
#pragma mark -显示控制器的view
/**
* 显示控制器的view
*
* @paramindex 选择第几个
*
*/
- (void)showVc:(NSInteger)index {
CGFloatoffsetX = index *self.view.frame.size.width;
UIViewController *vc = self.childViewControllers[index];
// 判断控制器的view有没有加载过,如果已经加载过,就不需要加载
if (vc.isViewLoaded) return;
[self.contentScrollView addSubview:vc.view];
vc.view.frame = CGRectMake(offsetX, 0, self.view.frame.size.width, self.view.frame.size.height);
}
#pragma mark -UIScrollViewDelegate
- (void)scrollViewDidEndDecelerating:(UIScrollView*)scrollView{
// 计算滚动到哪一页
NSIntegerindex = scrollView.contentOffset.x/ scrollView.frame.size.width;
// 1.添加子控制器view
[selfshowVc:index];
// 2.把对应的标题选中
self.sectionChooseView.selectIndex = index;
}
- (void)dealloc {
[[NSNotificationCenter defaultCenter] removeObserver:self];
}
