UIScrollView控制图片滑动 NSTimer UIPageControl

  1 #import "ViewController.h"
  2 
  3 @interface ViewController ()<UIScrollViewDelegate>
  4 @property(strong,nonatomic)UIScrollView * ScrollView;
  5 @property(strong,nonatomic)UIImageView * view1;
  6 
  7 @property(strong,nonatomic)UIPageControl * PageControl;
  8 @property(strong,nonatomic)UILabel * titltLabel;
  9 
 10 @property(strong,nonatomic)NSArray * contentArray;
 11 @property(strong,nonatomic)NSArray * titleArray;
 12 
 13 @property(strong,nonatomic)NSTimer * timerView;
 14 -(NSArray *)contentArray;
 15 @end
 16 
 17 @implementation ViewController
 18 
 19 -(NSArray *)contentArray
 20 {
 21     NSString * path = [[NSBundle mainBundle]pathForResource:@"photo.plist" ofType:nil];
 22     _contentArray = [NSArray arrayWithContentsOfFile:path];
 23     return _contentArray;
 24 }
 25 
 26 - (void)viewDidLoad {
 27     [super viewDidLoad];
 28     
 29     self.titleArray = @[@"美女1",@"美女2",@"美女3",@"美女4"];
 30     
 31     CGFloat width = self.view.bounds.size.width;
 32     self.ScrollView = [[UIScrollView alloc]initWithFrame:CGRectMake(0, 10, width, 313)];
 33     self.ScrollView.backgroundColor = [UIColor groupTableViewBackgroundColor];
 34     self.ScrollView.contentOffset = CGPointMake(width, 0);
 35     self.ScrollView.contentSize = CGSizeMake(width*6, 313);
 36     self.ScrollView.pagingEnabled = YES;
 37     [self.view addSubview:self.ScrollView];
 38     self.ScrollView.delegate = self;
 39     self.ScrollView.showsHorizontalScrollIndicator = NO;
 40     [self.view addSubview:self.ScrollView];
 41     
 42     
 43     for (int i; i < 6; i++)
 44     {
 45         NSDictionary * dic = self.contentArray[i];
 46         self.view1 = [[UIImageView alloc]initWithFrame:CGRectMake(width*i, 10, width, 313)];
 47         self.view1.image = [UIImage imageNamed:dic[@"icon"]];
 48         [self.ScrollView addSubview:self.view1];
 49     }
 50     
 51     
 52     
 53     self.titltLabel = [[UILabel alloc]initWithFrame:CGRectMake(width/2, 280, 80, 60)];
 54     self.titltLabel.text = self.titleArray[0];
 55     [self.view addSubview:self.titltLabel];
 56     
 57     self.PageControl = [[UIPageControl alloc]initWithFrame:CGRectMake(width/2, 300, 50, 20)];
 58     self.PageControl.numberOfPages = 4;
 59     self.PageControl.currentPage = 0;
 60     //设置小白点颜色
 61     [self.PageControl setPageIndicatorTintColor:[UIColor groupTableViewBackgroundColor]];
 62     [self.PageControl setCurrentPageIndicatorTintColor:[UIColor greenColor]];
 63     [self.view addSubview:self.PageControl];
 64     
 65     
 66     self.timerView = [NSTimer scheduledTimerWithTimeInterval:3.0 target:self selector:@selector(Autoplayphoto) userInfo:nil repeats:YES];
 67     
 68 }
 69 -(void)Autoplayphoto
 70 {
 71     CGFloat width = self.view.bounds.size.width;
 72     CGPoint offset = self.ScrollView.contentOffset;
 73     
 74     if (offset.x == 5*width)
 75     {
 76         offset.x = offset.x - 5*width;
 77     }else
 78     {
 79         offset.x = offset.x + width;
 80     }
 81     
 82     self.ScrollView.contentOffset = offset;
 83     
 84     int page = offset.x/width -1;
 85     if (page > 3) {
 86         page = 0;
 87     }
 88     if (page < 0) {
 89         page = 3;
 90     }
 91     self.PageControl.currentPage = page;
 92     
 93     self.titltLabel.text = self.titleArray[page];
 94 }
 95 
 96 
 97 -(void)scrollViewDidScroll:(UIScrollView *)scrollView
 98 {
 99     CGFloat width = self.view.bounds.size.width;
100     CGFloat offset = self.ScrollView.contentOffset.x;
101     if (offset >= 5*width)
102     {
103         self.ScrollView.contentOffset = CGPointMake(width, 0);
104     }
105     if (offset <= 0)
106     {
107         self.ScrollView.contentOffset = CGPointMake(4*width, 0);
108     }
109     int page = offset/width - 1;
110     if (page > 3) {
111         page = 0;
112     }
113     if (page < 0) {
114         page = 3;
115     }
116     self.PageControl.currentPage = page;
117     //NSLog(@"page = %d",page);
118     self.titltLabel.text = self.titleArray[page];
119     
120 }
121 
122 
123 - (void)didReceiveMemoryWarning {
124     [super didReceiveMemoryWarning];
125     // Dispose of any resources that can be recreated.
126 }
127 
128 @end