https://github.com/Tonyleu/DemoSlideView
#import
NS_ASSUME_NONNULL_BEGIN
@interface LXHSlideView : UIView
@property (nonatomic,strong)NSArray * vcArray;
- (instancetype)initWithFrame:(CGRect)frameWithViewControllers:(NSArray*)viewControllers;
@end
#import "LXHSlideView.h"
#define WindowWidth ([[UIScreen mainScreen] bounds].size.width)
#define WindowHeight ([[UIScreen mainScreen] bounds].size.height)
#define TopViewHight50
#define IndicatorWidth20
#define IndicatorHeight3
#define IndicatorCenter self.frame.size.width/((self.vcArray.count +1) *2) -10
#define HexUIColorFromRGB(rgbValue, a) [UIColor colorWithRed:((float)((rgbValue &0xFF0000) >>16))/255.0green:((float)((rgbValue &0xFF00) >>8))/255.0blue:((float)(rgbValue &0xFF))/255.0alpha:(a)]
@interface LXHSlideView()<UIScrollViewDelegate>
@property (nonatomic,strong) UIView *topView;
@property (nonatomic,strong) UIView *slideView;
@property (nonatomic,strong) UIScrollView *topScrollView;
@property (nonatomic,strong) UIScrollView *bottomScrollView;
@property (nonatomic,strong) NSMutableArray *btnArray;
@end
@implementation LXHSlideView
- (instancetype)initWithFrame:(CGRect)frameWithViewControllers:(NSArray*)viewControllers{
if(self= [superinitWithFrame:frame]) {
self.vcArray= viewControllers;
}
return self;
}
- (void)setVcArray:(NSArray*)vcArray{
_vcArray= vcArray;
_btnArray = [NSMutableArray array];
[self confingTopView];
[self configBottomView];
}
- (void)confingTopView{
// 按钮宽度
CGFloatbuttonWight =WindowWidth/ (_vcArray.count+1);
// 按钮高度
CGFloatbuttonhight =TopViewHight-4;
CGRecttopViewFrame =CGRectMake(0,0,WindowWidth,TopViewHight);
self.topView= [[UIViewalloc]initWithFrame:topViewFrame];
[selfaddSubview:self.topView];
// 提示器
self.slideView = [[UIView alloc] initWithFrame:CGRectMake(IndicatorCenter, TopViewHight - 13, IndicatorWidth, IndicatorHeight)];
[_slideView setBackgroundColor:[UIColor orangeColor]];
[_topView addSubview:self.slideView];
// 添加按钮
for(inti =0; i
UIView*view = [[UIViewalloc]initWithFrame:CGRectMake(i * buttonWight,0, buttonWight, buttonhight)];
UIButton*button = [[UIButtonalloc]initWithFrame:CGRectMake(0,0, buttonWight, buttonhight)];
button.tag= i;
NSString* buttonTitle = [self.vcArray[i]allKeys][0];
[buttonsetTitle:buttonTitle forState:UIControlStateNormal];
button.titleLabel.font = [UIFont systemFontOfSize:15.0];
[buttonsetTitleColor:HexUIColorFromRGB(0x333333, 0.6) forState:UIControlStateNormal];
if(i ==0) {
[buttonsetTitleColor:HexUIColorFromRGB(0x333333, 1.0) forState:UIControlStateNormal];
button.titleLabel.font = [UIFont systemFontOfSize:17.0];
}
[buttonaddTarget:self action:@selector(tabButton:) forControlEvents:UIControlEventTouchUpInside];
[viewaddSubview:button];
[_btnArrayaddObject:button];
[_topViewaddSubview:view];
}
}
- (void)configBottomView{
CGRect bottomScrollViewFrame =CGRectMake(0, TopViewHight, WindowWidth, WindowHeight - TopViewHight );
self.bottomScrollView= [[UIScrollViewalloc]initWithFrame:bottomScrollViewFrame];
[self addSubview:_bottomScrollView];
for(inti =0; i
CGRect VCFrame =CGRectMake(i *WindowWidth,0,WindowWidth, bottomScrollViewFrame.size.height);
NSString* key = [self.vcArray[i]allKeys][0];
UIViewController* vc =_vcArray[i][key] ;
vc.view.frame= VCFrame;
[self.bottomScrollViewaddSubview:vc.view];
}
self.bottomScrollView.contentSize = CGSizeMake(self.vcArray.count * WindowWidth, 0);
self.bottomScrollView.pagingEnabled = YES;
self.bottomScrollView.showsHorizontalScrollIndicator = NO;
self.bottomScrollView.showsVerticalScrollIndicator = NO;
self.bottomScrollView.directionalLockEnabled = YES;
self.bottomScrollView.bounces = NO;
self.bottomScrollView.delegate =self;
}
-(void)scrollViewDidScroll:(UIScrollView*)scrollView{
CGRectframe =_slideView.frame;
frame.origin.x= scrollView.contentOffset.x/(_vcArray.count+1) +IndicatorCenter;
_slideView.frame= frame;
intpageNum = scrollView.contentOffset.x/WindowWidth;
for(UIButton* btnin_btnArray) {
if(btn.tag== pageNum ) {
[btnsetTitleColor:HexUIColorFromRGB(0x333333, 1.0) forState:UIControlStateNormal];
btn.titleLabel.font = [UIFont systemFontOfSize:17.0];
}else{
[btnsetTitleColor:HexUIColorFromRGB(0x333333, 0.6) forState:UIControlStateNormal];
btn.titleLabel.font = [UIFont systemFontOfSize:15.0];
}
}
}
-(void)tabButton: (id) sender{
UIButton*button = sender;
[buttonsetTitleColor:HexUIColorFromRGB(0x333333, 1.0) forState:UIControlStateNormal];
button.titleLabel.font = [UIFont systemFontOfSize:17.0];
for(UIButton* btnin_btnArray) {
if(button != btn ) {
[btnsetTitleColor:HexUIColorFromRGB(0x333333, 0.6) forState:UIControlStateNormal];
btn.titleLabel.font = [UIFont systemFontOfSize:15.0];
}
}
[_bottomScrollView setContentOffset:CGPointMake(button.tag * WindowWidth, 0) animated:YES];
}
@end
