UIScrollView 加载多个view view还可以交换顺序（1）

#import "ViewController.h"

#define kWidthOfScreen self.view.frame.size.width

#define kHeightOfScreen self.view.frame.size.height

@interface ViewController ()

{

UIScrollView *scrollview;

UIView *viewleft;

UIView *viewcenter;

UIView *viewright;

UILabel *labelleft;

UILabel *labelcenter;

UILabel *labelright;

UIView *view8;

UIView *view1;

UIView *view2;

UIView *view3;

UIView *view4;

UIView *view5;

UIView *view6;

UIView *view7;

NSInteger _viewCount;//view的总数

NSInteger viewindex;//view存入的索引

NSInteger _currentviewIndex;//当前图片索引

NSMutableArray *arry1;

NSMutableArray *arry2;

UIPageControl *_pageControl;

UISwipeGestureRecognizer *leftSwipeGestureRecognizer;//上的手势

UISwipeGestureRecognizer *rightSwipeGestureRecognizer;//下的手势

}

@end

@implementation ViewController

- (void)viewDidLoad {

[super viewDidLoad];

[self initscrollview];

[self initobjctview];

[self initgestures];

[self initPageControl];

[self initaddviewdata];

[self setDefaultview]; //加载默认view

}

#pragma mark - scrollview的创建

-(void)initscrollview{

scrollview = [[UIScrollView alloc]initWithFrame:[UIScreen mainScreen].bounds];

scrollview.backgroundColor = [UIColor yellowColor];

scrollview.delegate = self;

scrollview.pagingEnabled = YES;

scrollview.showsHorizontalScrollIndicator = NO;

scrollview.contentSize=CGSizeMake(3*kWidthOfScreen, 0) ;

[scrollview setContentOffset:CGPointMake(kWidthOfScreen, 0) animated:NO];//设置当前显示的位置为中间图片

[self.view addSubview:scrollview];

}

#pragma mark -创建父类view

-(void)initobjctview{

//图片视图；左边

viewleft = [[UIView alloc] initWithFrame:CGRectMake(0, 0, kWidthOfScreen, kHeightOfScreen)];

viewleft.backgroundColor = [UIColor redColor];

viewleft.contentMode = UIViewContentModeScaleAspectFit;

[scrollview addSubview:viewleft];

//图片视图；中间

viewcenter = [[UIView alloc] initWithFrame:CGRectMake(kWidthOfScreen, 0, kWidthOfScreen, kHeightOfScreen)];

viewcenter.contentMode = UIViewContentModeScaleAspectFit;

viewcenter.backgroundColor = [UIColor yellowColor];

[scrollview addSubview:viewcenter];

//图片视图；右边

viewright = [[UIView alloc] initWithFrame:CGRectMake(kWidthOfScreen * 2, 0, kWidthOfScreen, kHeightOfScreen)];

viewright.contentMode = UIViewContentModeScaleAspectFit;

viewright.backgroundColor = [UIColor blueColor];

[scrollview addSubview:viewright];

labelleft = [[UILabel alloc]initWithFrame:CGRectMake(50, 50, 100, 25)];

labelleft.text = @"小子这是第一个你知道不";

[viewleft addSubview:labelleft];

labelcenter = [[UILabel alloc]initWithFrame:CGRectMake(50, 50, 100, 25)];

labelcenter.text = @"这就是中间";

[viewcenter addSubview:labelcenter];

labelright = [[UILabel alloc]initWithFrame:CGRectMake(50, 50, 100, 25)];

labelright.text = @"哎哟我在最后了";

[viewright addSubview:labelright];

}

#pragma mark - 创建手势

-(void)initgestures{

leftSwipeGestureRecognizer = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(handleSwipes:)];

rightSwipeGestureRecognizer = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(handleSwipes:)];

leftSwipeGestureRecognizer.direction = UISwipeGestureRecognizerDirectionUp;

rightSwipeGestureRecognizer.direction = UISwipeGestureRecognizerDirectionDown;

}

#pragma mark－ 分页控件创建

-(void)initPageControl{

_pageControl=[[UIPageControl alloc]init];

CGSize size= [_pageControl sizeForNumberOfPages:_viewCount];

_pageControl.bounds=CGRectMake(0, 0, size.width, size.height);

_pageControl.center=CGPointMake(kWidthOfScreen/2, kHeightOfScreen-100);

_pageControl.pageIndicatorTintColor=[UIColor colorWithRed:193/255.0 green:219/255.0 blue:249/255.0 alpha:1];

_pageControl.currentPageIndicatorTintColor=[UIColor colorWithRed:0 green:150/255.0 blue:1 alpha:1];

_pageControl.numberOfPages=_viewCount; //设置总页数

[self.view addSubview:_pageControl];

}

#pragma mark - 视图集合

-(void)initaddviewdata{

view1 = [[UIView alloc] initWithFrame:CGRectMake(0, 0, kWidthOfScreen, kHeightOfScreen)];

view1.contentMode = UIViewContentModeScaleAspectFit;

view1.backgroundColor = [UIColor redColor];

view1.tag = 1;

UILabel *labelview1 = [[UILabel alloc]initWithFrame:CGRectMake(50, 50, 100, 25)];

labelview1.text = @"第一个页面";

[view1 addSubview:labelview1];

view2 = [[UIView alloc] initWithFrame:CGRectMake(0, 0, kWidthOfScreen, kHeightOfScreen)];

view2.contentMode = UIViewContentModeScaleAspectFit;

view2.backgroundColor = [UIColor yellowColor];

view2.tag = 2;

UILabel *labelview2 = [[UILabel alloc]initWithFrame:CGRectMake(50, 50, 100, 25)];

labelview2.text = @"第二个页面";

[view2 addSubview:labelview2];

view3 = [[UIView alloc] initWithFrame:CGRectMake(0, 0, kWidthOfScreen, kHeightOfScreen)];

view3.contentMode = UIViewContentModeScaleAspectFit;

view3.backgroundColor = [UIColor brownColor];

view2.tag = 3;

UILabel *labelview3 = [[UILabel alloc]initWithFrame:CGRectMake(50, 50, 100, 25)];

labelview3.text = @"第三个页面";

[view3 addSubview:labelview3];

view4 = [[UIView alloc] initWithFrame:CGRectMake(0, 0, kWidthOfScreen, kHeightOfScreen)];

view4.contentMode = UIViewContentModeScaleAspectFit;

view4.backgroundColor = [UIColor blueColor];

view2.tag = 4;

UILabel *labelview4 = [[UILabel alloc]initWithFrame:CGRectMake(50, 50, 100, 25)];

labelview4.text = @"第四个页面";

[view4 addSubview:labelview4];

view5 = [[UIView alloc] initWithFrame:CGRectMake(0, 0, kWidthOfScreen, kHeightOfScreen)];

view5.contentMode = UIViewContentModeScaleAspectFit;

view5.backgroundColor = [UIColor greenColor];

view2.tag = 5;

UILabel *labelview5 = [[UILabel alloc]initWithFrame:CGRectMake(50, 50, 100, 25)];

labelview5.text = @"第五个页面";

[view5 addSubview:labelview5];

view6 = [[UIView alloc] initWithFrame:CGRectMake(0, 0, kWidthOfScreen, kHeightOfScreen)];

view6.contentMode = UIViewContentModeScaleAspectFit;

view6.backgroundColor = [UIColor lightGrayColor];

view2.tag = 6;

UILabel *labelview6 = [[UILabel alloc]initWithFrame:CGRectMake(50, 50, 100, 25)];

labelview6.text = @"第六个页面";

[view6 addSubview:labelview6];

view7 = [[UIView alloc] initWithFrame:CGRectMake(0, 0, kWidthOfScreen, kHeightOfScreen)];

view7.contentMode = UIViewContentModeScaleAspectFit;

view7.backgroundColor = [UIColor whiteColor];

view2.tag = 7;

UILabel *labelview7 = [[UILabel alloc]initWithFrame:CGRectMake(50, 50, 100, 25)];

labelview7.text = @"第七个页面";

[view7 addSubview:labelview7];

view8 = [[UIView alloc] initWithFrame:CGRectMake(0, 0, kWidthOfScreen, kHeightOfScreen)];

view8.contentMode = UIViewContentModeScaleAspectFit;

view8.backgroundColor = [UIColor orangeColor];

view2.tag = 8;

UILabel *labelview8 = [[UILabel alloc]initWithFrame:CGRectMake(50, 50, 100, 25)];

labelview8.text = @"第八个页面";

[view8 addSubview:labelview8];

//取出数据

NSUserDefaults *standardUserDefaults = [NSUserDefaults standardUserDefaults];

viewindex = [standardUserDefaults integerForKey:@"currentImageIndex"];

NSInteger data0 = [standardUserDefaults integerForKey:@"viewnumber0"];

NSInteger data1 = [standardUserDefaults integerForKey:@"viewnumber1"];

NSInteger data2 = [standardUserDefaults integerForKey:@"viewnumber2"];

NSInteger data3 = [standardUserDefaults integerForKey:@"viewnumber3"];

NSInteger data4 = [standardUserDefaults integerForKey:@"viewnumber4"];

NSInteger data5 = [standardUserDefaults integerForKey:@"viewnumber5"];

NSInteger data6 = [standardUserDefaults integerForKey:@"viewnumber6"];

NSInteger data7 = [standardUserDefaults integerForKey:@"viewnumber7"];

// NSLog(@"返回数据%d",data0);

// NSLog(@"返回数据%d",data1);

// NSLog(@"返回数据%d",data2);

// NSLog(@"返回数据%d",data3);

// NSLog(@"返回数据%d",data4);

// NSLog(@"返回数据%d",data5);

// NSLog(@"返回数据%d",data6);

// NSLog(@"返回数据%d",data7);

if (data0) {

NSArray *arry3;

NSNumber *number0 =[NSNumber numberWithInteger:data0];

NSNumber *number1 =[NSNumber numberWithInteger:data1];

NSNumber *number2 =[NSNumber numberWithInteger:data2];

NSNumber *number3 =[NSNumber numberWithInteger:data3];

NSNumber *number4 =[NSNumber numberWithInteger:data4];

NSNumber *number5 =[NSNumber numberWithInteger:data5];

NSNumber *number6 =[NSNumber numberWithInteger:data6];

NSNumber *number7 =[NSNumber numberWithInteger:data7];

arry1 = [[NSMutableArray alloc]initWithObjects:number0,number1,number2,number3,number4,number5,number6,number7, nil];

arry3 = [[NSMutableArray alloc]initWithObjects:view1,view2,view3,view4,view5,view6,view7,view8, nil];

arry2 = [[NSMutableArray alloc]initWithObjects:arry3[data0],arry3[data1],arry3[data2],arry3[data3],arry3[data4],arry3[data5],arry3[data6],arry3[data7], nil];

}else{

NSNumber *number0 =[NSNumber numberWithInt:0];

NSNumber *number1 =[NSNumber numberWithInt:1];

NSNumber *number2 =[NSNumber numberWithInt:2];

NSNumber *number3 =[NSNumber numberWithInt:3];

NSNumber *number4 =[NSNumber numberWithInt:4];

NSNumber *number5 =[NSNumber numberWithInt:5];

NSNumber *number6 =[NSNumber numberWithInt:6];

NSNumber *number7 =[NSNumber numberWithInt:7];

arry1 = [[NSMutableArray alloc]initWithObjects:number0,number1,number2,number3,number4,number5,number6,number7, nil];

arry2 = [[NSMutableArray alloc]initWithObjects:view1,view2,view3,view4,view5,view6,view7,view8, nil];

}

_viewCount =arry2.count;

NSLog(@"打印出的索引为%ld",viewindex);

NSLog(@"打印出view的个数%ld",_viewCount);

}

#pragma mark - 手势方法

- (void)handleSwipes:(UISwipeGestureRecognizer *)sender

{ //向上

if (sender.direction == UISwipeGestureRecognizerDirectionUp)

{

if (_currentviewIndex==0) {

UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"提示"message:@"这已经是第一个了"preferredStyle:UIAlertControllerStyleAlert];

UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleDefault handler:^(UIAlertAction *action) {

}];

UIAlertAction *otherAction = [UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:^(UIAlertAction *action) {

NSLog(@"Okay");

}];

[alertController addAction:cancelAction];

[alertController addAction:otherAction];

[self presentViewController:alertController animated:YES completion:nil];

}else{

[arry1 exchangeObjectAtIndex:_currentviewIndex withObjectAtIndex:_currentviewIndex-1];//数组数据的交换

[arry2 exchangeObjectAtIndex:_currentviewIndex withObjectAtIndex:_currentviewIndex-1];

[arry2[_currentviewIndex] addGestureRecognizer:leftSwipeGestureRecognizer];

[arry2[_currentviewIndex] addGestureRecognizer:rightSwipeGestureRecognizer];

NSLog(@"上上上");

[self reloadImage];

}

}

//向下

if (sender.direction == UISwipeGestureRecognizerDirectionDown) {

if (_currentviewIndex==7) {

//弹出提示

UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"提示"message:@"这已经是最后一个了"preferredStyle:UIAlertControllerStyleAlert];

UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleDefault handler:^(UIAlertAction *action) {

}];

UIAlertAction *otherAction = [UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:^(UIAlertAction *action) {

}];

[alertController addAction:cancelAction];

[alertController addAction:otherAction];

[self presentViewController:alertController animated:YES completion:nil];

}else{

[arry2 exchangeObjectAtIndex:_currentviewIndex withObjectAtIndex:_currentviewIndex+1];//数组里面数据的交换

[arry1 exchangeObjectAtIndex:_currentviewIndex withObjectAtIndex:_currentviewIndex+1];

[arry2[_currentviewIndex] addGestureRecognizer:leftSwipeGestureRecognizer];

[arry2[_currentviewIndex] addGestureRecognizer:rightSwipeGestureRecognizer];

NSLog(@"下下下下");

[self reloadImage];

}

}

}

#pragma mark 设置默认视图显示

-(void)setDefaultview{

if (viewindex) {

if (viewindex==0)

{

_currentviewIndex =viewindex;

[viewleft addSubview:arry2[7]];

[viewcenter addSubview:arry2[0]];

[viewright addSubview:arry2[1]];

}else

if( viewindex ==7){

_currentviewIndex =viewindex;

[viewleft addSubview:arry2[6]];

[viewcenter addSubview:arry2[7]];

[viewright addSubview:arry2[0]];

}else {

_currentviewIndex =viewindex;

[viewleft addSubview:arry2[_currentviewIndex-1]];

[viewcenter addSubview:arry2[_currentviewIndex]];

[viewright addSubview:arry2[_currentviewIndex+1]];

}

}else{

[viewleft addSubview:arry2[7]];

[viewcenter addSubview:arry2[0]];

[viewright addSubview:arry2[1]];

_currentviewIndex=0;

_pageControl.currentPage=_currentviewIndex; //设置当前页

}

}

#pragma mark scrollview代理 滚动结束执行

-(void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView{

//重新加载页面

[self reloadImage];

//存入数据

NSUserDefaults *standardUserDefaults = [NSUserDefaults standardUserDefaults];

[standardUserDefaults setObject:arry1[0] forKey:@"viewnumber0"];

[standardUserDefaults setObject:arry1[1] forKey:@"viewnumber1"];

[standardUserDefaults setObject:arry1[2] forKey:@"viewnumber2"];

[standardUserDefaults setObject:arry1[3] forKey:@"viewnumber3"];

[standardUserDefaults setObject:arry1[4] forKey:@"viewnumber4"];

[standardUserDefaults setObject:arry1[5] forKey:@"viewnumber5"];

[standardUserDefaults setObject:arry1[6] forKey:@"viewnumber6"];

[standardUserDefaults setObject:arry1[7] forKey:@"viewnumber7"];

//存入固定索引

[standardUserDefaults setInteger:_currentviewIndex forKey:@"currentImageIndex"]; //存入当前显示页面脚本号

[standardUserDefaults synchronize];

[scrollview setContentOffset:CGPointMake(kWidthOfScreen, 0) animated:NO]; //移动到中间

_pageControl.currentPage=_currentviewIndex; //设置分页

NSLog(@"%ld",(long)_currentviewIndex);

//设置当前页面的手势

[arry2[_currentviewIndex] addGestureRecognizer:leftSwipeGestureRecognizer];

[arry2[_currentviewIndex] addGestureRecognizer:rightSwipeGestureRecognizer];

}

#pragma mark 重新加页面

-(void)reloadImage{

int leftviewIndex,rightviewIndex;

CGPoint offset=[scrollview contentOffset];

if (offset.x>kWidthOfScreen) { //向右滑动

_currentviewIndex=(int)(_currentviewIndex+1)%_viewCount;

}else if(offset.x _currentviewIndex=(int)(_currentviewIndex+_viewCount-1)%_viewCount;

}

[viewcenter addSubview:arry2[_currentviewIndex]];

//重新设置左右view

leftviewIndex =

(int)((_currentviewIndex+_viewCount-1)%_viewCount);

rightviewIndex = (int)((_currentviewIndex+1)%_viewCount);

[viewleft addSubview:arry2[leftviewIndex]];

[viewright addSubview:arry2[rightviewIndex]];

}

#pragma mark －添加信息描述控件

-(void)addLabel{

// _label=[[UILabel alloc]initWithFrame:CGRectMake(0, 10, SCREEN_WIDTH,30)];

// _label.textAlignment=NSTextAlignmentCenter;

// _label.textColor=[UIColor colorWithRed:0 green:150/255.0 blue:1 alpha:1];

// [self.view addSubview:_label];

}

- (void)didReceiveMemoryWarning {

[super didReceiveMemoryWarning];

// Dispose of any resources that can be recreated.

}

@end