UI 运用滚动视图创建相册的方法

  1 #import "mainViewController.h"
  2
  3
  4 @interface mainViewController ()
  5
  6
  7 @end
  8
  9
 10 @implementation mainViewController
 11
 12
 13 - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
 14
 15 {
 16
 17     self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
 18
 19     if (self) {
 20
 21         // Custom initialization
 22
 23     }
 24
 25     return self;
 26
 27 }
 28
 29
 30 - (void)viewDidLoad
 31
 32 {
 33
 34     [super viewDidLoad];
 35
 36     // Do any additional setup after loading the view.
 37
 38    //总的
 39
 40     UIScrollView *scrollView = [[UIScrollView alloc] initWithFrame:CGRectMake(20, 20, 280, 450)];
 41
 42     scrollView.backgroundColor = [UIColor redColor];
 43
 44     scrollView.tag = 1000;
 45
 46     scrollView.contentSize = CGSizeMake(1400, 0);
 47
 48     scrollView.scrollEnabled = YES;
 49
 50     scrollView.pagingEnabled = YES;
 51
 52     //第一个
 53
 54     UIScrollView *scrollView1 = [[UIScrollView alloc] initWithFrame:CGRectMake(20, 20, 240, 450)];
 55
 56     scrollView1.contentSize = CGSizeMake(240, 0);
 57
 58     scrollView1.tag = 111;
 59
 60     UIImageView *image0 = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 240, 400)];
 61
 62     image0.image = [UIImage imageNamed:@"1.JPG"];
 63
 64     [scrollView1 addSubview:image0];
 65
 66     [image0 release];
 67
 68     scrollView1.delegate = self;
 69
 70     scrollView1.minimumZoomScale = 0.5;
 71
 72     scrollView1.maximumZoomScale = 2;
 73
 74     [scrollView addSubview:scrollView1];
 75
 76     [scrollView1 release];
 77
 78     //第二个
 79
 80     UIScrollView *scrollView2 = [[UIScrollView alloc] initWithFrame:CGRectMake(300, 20, 240, 450)];
 81
 82     scrollView2.contentSize = CGSizeMake(280, 0);
 83
 84     scrollView2.tag = 222;
 85
 86     UIImageView *image1 = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 240, 400)];
 87
 88     image1.image = [UIImage imageNamed:@"2.JPG"];
 89
 90     [scrollView2 addSubview:image1];
 91
 92     [image1 release];
 93
 94
 95
 96     scrollView2.delegate = self;
 97
 98     scrollView2.minimumZoomScale = 0.5;
 99
100     scrollView2.maximumZoomScale = 2;
101
102     [scrollView addSubview:scrollView2];
103
104     [scrollView2 release];
105
106     //第三个
107
108     UIScrollView *scrollView3 = [[UIScrollView alloc] initWithFrame:CGRectMake(580, 20, 240, 450)];
109
110     scrollView3.contentSize = CGSizeMake(280, 0);
111
112     scrollView3.tag = 333;
113
114     UIImageView *image2 = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 240, 400)];
115
116     image2.image = [UIImage imageNamed:@"3.JPG"];
117
118     [scrollView3 addSubview:image2];
119
120     [image2 release];
121
122
123     scrollView3.delegate = self;
124
125     scrollView3.minimumZoomScale = 0.5;
126
127     scrollView3.maximumZoomScale = 2;
128
129     [scrollView addSubview:scrollView3];
130
131     [scrollView3 release];
132
133     //第四个
134
135     UIScrollView *scrollView4 = [[UIScrollView alloc] initWithFrame:CGRectMake(860, 20, 240, 450)];
136
137     scrollView4.contentSize = CGSizeMake(280, 0);
138
139     scrollView4.tag = 444;
140
141     UIImageView *image3 = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 240, 400)];
142
143     image3.image = [UIImage imageNamed:@"4.JPG"];
144
145     [scrollView4 addSubview:image3];
146
147     [image3 release];
148
149     scrollView4.delegate = self;
150
151     scrollView4.minimumZoomScale = 0.5;
152
153     scrollView4.maximumZoomScale = 2;
154
155     [scrollView addSubview:scrollView4];
156
157     [scrollView4 release];
158
159     //第五个
160
161     UIScrollView *scrollView5 = [[UIScrollView alloc] initWithFrame:CGRectMake(1140, 20, 240, 450)];
162
163     scrollView5.contentSize = CGSizeMake(280, 0);
164
165     scrollView5.tag = 555;
166
167     UIImageView *image4 = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 240, 400)];
168
169     image4.image = [UIImage imageNamed:@"5.JPG"];
170
171     [scrollView5 addSubview:image4];
172
173     [image4 release];
174
175     scrollView5.delegate = self;
176
177     scrollView5.minimumZoomScale = 0.5;
178
179     scrollView5.maximumZoomScale = 2;
180
181     [scrollView addSubview:scrollView5];
182
183     [scrollView5 release];
184
185
186     scrollView.delegate = self;
187
188     [self.view addSubview:scrollView];
189
190     [scrollView release];
191
192
193
194     UIPageControl *pageControl = [[UIPageControl alloc] initWithFrame:CGRectMake(110, 400, 100,30)];
195
196     pageControl.numberOfPages = 5;
197
198     pageControl.pageIndicatorTintColor = [UIColor blackColor];
199
200     pageControl.currentPageIndicatorTintColor = [UIColor whiteColor];
201
202     [pageControl addTarget:self action:@selector(pageControlAction:)forControlEvents:UIControlEventValueChanged];
203
204     [self.view addSubview:pageControl];
205
206     [pageControl release];
207
208
209
210     self.page = pageControl;
211
212
213
214
215
216 }
217
218 - (void)pageControlAction:(UIPageControl *)pageControl
219
220 {
221
222     UIScrollView *scrollView = (UIScrollView *) [self.view viewWithTag:1000];
223
224     scrollView.contentOffset = CGPointMake(280 * self.page.currentPage, 0);
225
226     for (int i = 1; i < 6; i++) {
227
228         UIScrollView *scrollView = (UIScrollView *) [self.view viewWithTag:111 * i];
229
230         scrollView.zoomScale = 1;
231
232     }
233
234 }
235
236 - (void)scrollViewDidScroll:(UIScrollView *)scrollView
237
238 {
239
240     self.page.currentPage = scrollView.contentOffset.x / scrollView.frame.size.width;
241
242 }
243
244
245 - (UIView *)viewForZoomingInScrollView:(UIScrollView *)scrollView
246
247 {
248
249     return [scrollView.subviews firstObject];
250
251 }
252
253
254 - (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate
255
256 {
257
258     for (int i = 1; i < 6; i ++) {
259
260         UIScrollView *scrollView = (UIScrollView *) [self.view viewWithTag:111 * i];
261
262         scrollView.zoomScale = 1;
263
264     }
265
266 }
267
268
269 - (void)didReceiveMemoryWarning
270
271 {
272
273     [super didReceiveMemoryWarning];
274
275     // Dispose of any resources that can be recreated.
276
277 }
278
279
280 /*
281
282 #pragma mark - Navigation
283
284
285 // In a storyboard-based application, you will often want to do a little preparation before navigation
286
287 - (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
288
289 {
290
291     // Get the new view controller using [segue destinationViewController].
292
293     // Pass the selected object to the new view controller.
294
295 }
296
297 */
298
299
300 @end