手势识别

  1 - (void)viewDidLoad
  2 
  3 {
  4 
  5     [superviewDidLoad];
  6 
  7 UIImage *image =[UIImage imageNamed:@"001.jpg"];
  8 
  9     UIImageView *imageView=[[UIImageView alloc]initWithImage:image];
 10 
 11     [imageView setFrame:kImageFrame];
 12 
 13     [imageView setUserInteractionEnabled:YES];
 14 
 15     
 16 
 17     [self.view addSubview:imageView];
 18 
 19     self.imageView = imageView;
 20 
 21     //点按手势
 22 
 23     UITapGestureRecognizer *tap = [[UITapGestureRecognizeralloc]initWithTarget:selfaction:@selector(tap:)];
 24 
 25     //单击操作
 26 
 27     [tap setNumberOfTapsRequired:1];
 28 
 29     //一个手指操作
 30 
 31     [tap setNumberOfTouchesRequired:1];
 32 
 33     //[self.imageView addGestureRecognizer:tap];
 34 
 35     
 36 
 37     //长按手势
 38 
 39     UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizeralloc]initWithTarget:selfaction:@selector(longPress:)];
 40 
 41     
 42 
 43     //[self.imageView addGestureRecognizer:longPress];
 44 
 45     
 46 
 47     //旋转手势
 48 
 49     UIRotationGestureRecognizer *rotate = [[UIRotationGestureRecognizeralloc]initWithTarget:selfaction:@selector(rotate:)];
 50 
 51     //[self.imageView addGestureRecognizer:rotate];
 52 
 53     
 54 
 55     //拖动手势
 56 
 57     
 58 
 59     UIPanGestureRecognizer *pan = [[UIPanGestureRecognizeralloc]initWithTarget:selfaction:@selector(pan:)];
 60 
 61     
 62 
 63     //[self.imageView addGestureRecognizer:pan];
 64 
 65     
 66 
 67     //捏合手势
 68 
 69     UIPinchGestureRecognizer *pinch = [[UIPinchGestureRecognizeralloc]initWithTarget:selfaction:@selector(pinch:)];
 70 
 71     
 72 
 73     //[self.imageView addGestureRecognizer:pinch];
 74 
 75     
 76 
 77     //轻扫手势
 78 
 79     UISwipeGestureRecognizer *swip1 = [[UISwipeGestureRecognizeralloc]initWithTarget:selfaction:@selector(swip:)];
 80 
 81     [swip1 setDirection:UISwipeGestureRecognizerDirectionRight];
 82 
 83     [self.viewaddGestureRecognizer:swip1];
 84 
 85     
 86 
 87     UISwipeGestureRecognizer *swip2 = [[UISwipeGestureRecognizeralloc]initWithTarget:selfaction:@selector(swip:)];
 88 
 89     [swip2 setDirection:UISwipeGestureRecognizerDirectionLeft];
 90 
 91     [self.viewaddGestureRecognizer:swip2];
 92 
 93     
 94 
 95     UISwipeGestureRecognizer *swip3 = [[UISwipeGestureRecognizeralloc]initWithTarget:selfaction:@selector(swip:)];
 96 
 97     [swip3 setDirection:UISwipeGestureRecognizerDirectionDown];
 98 
 99     [self.viewaddGestureRecognizer:swip3];
100 
101     
102 
103     UISwipeGestureRecognizer *swip4 = [[UISwipeGestureRecognizeralloc]initWithTarget:selfaction:@selector(swip:)];
104 
105     [swip4 setDirection:UISwipeGestureRecognizerDirectionUp];
106 
107     [self.viewaddGestureRecognizer:swip4];
108 
109     
110 
111     
112 
113 }
114 
115  
116 
117 #pragma mark 轻扫手势
118 
119 - (void) swip:(UISwipeGestureRecognizer *)recognizer
120 
121 {
122 
123     CGRect frame = kImageFrame;
124 
125     if(UISwipeGestureRecognizerDirectionLeft == recognizer.direction){
126 
127         frame.origin.x-=300;
128 
129     }elseif(UISwipeGestureRecognizerDirectionRight==recognizer.direction){
130 
131         frame.origin.x+=300;
132 
133     }elseif(UISwipeGestureRecognizerDirectionUp == recognizer.direction){
134 
135         frame.origin.y -=400;
136 
137     }else{
138 
139         frame.origin.y +=400;
140 
141     }
142 
143     [UIViewanimateWithDuration:1.0fanimations:^{
144 
145         [self.imageView setFrame:frame];
146 
147     }completion:^(BOOL finished) {
148 
149         [self.imageView setFrame:kImageFrame];
150 
151     }];
152 
153 }
154 
155  
156 
157 #pragma mark 捏合手势
158 
159 - (void) pinch :(UIPinchGestureRecognizer *)recognizer
160 
161 {
162 
163     if(UIGestureRecognizerStateChanged == recognizer.state){
164 
165         [UIViewanimateWithDuration:1.0fanimations:^{
166 
167             
168 
169             [recognizer.view setTransform:CGAffineTransformMakeScale(recognizer.scale, recognizer.scale)];
170 
171         }];
172 
173     }elseif(UIGestureRecognizerStateEnded == recognizer.state){
174 
175         [UIViewanimateWithDuration:0.5fanimations:^{
176 
177             [recognizer.viewsetTransform:CGAffineTransformIdentity];
178 
179         }];
180 
181     }
182 
183 }
184 
185  
186 
187  
188 
189 #pragma mark 拖动手势
190 
191  
192 
193 - (void) pan:(UIPanGestureRecognizer *)recognizer
194 
195 {
196 
197     if(UIGestureRecognizerStateChanged == recognizer.state){
198 
199         [UIViewanimateWithDuration:1.0fanimations:^{
200 
201             CGPoint deltaPoint = [recognizer translationInView:self.view];
202 
203             [recognizer.view setTransform:CGAffineTransformMakeTranslation(deltaPoint.x, deltaPoint.y)];
204 
205         }];
206 
207     }elseif(UIGestureRecognizerStateEnded == recognizer.state){
208 
209         [UIViewanimateWithDuration:0.5fanimations:^{  
210 
211             [recognizer.viewsetTransform:CGAffineTransformIdentity];
212 
213         }];
214 
215     }
216 
217     
218 
219 }
220 
221  
222 
223 # pragma mark 旋转手势
224 
225  
226 
227 - (void) rotate:(UIRotationGestureRecognizer *) recognizer
228 
229 {
230 
231     if (UIGestureRecognizerStateChanged == recognizer.state) {
232 
233         [UIViewanimateWithDuration:1.0fanimations:^{
234 
235             [recognizer.view setTransform:CGAffineTransformMakeRotation(recognizer.rotation)];
236 
237         }];
238 
239     }elseif(UIGestureRecognizerStateEnded == recognizer.state)
240 
241     {
242 
243         [UIViewanimateWithDuration:0.5fanimations:^{
244 
245             [recognizer.viewsetTransform:CGAffineTransformIdentity];
246 
247         }];
248 
249     }
250 
251 }
252 
253  
254 
255 #pragma mark 长按手势
256 
257 - (void) longPress :(UILongPressGestureRecognizer *)recognizer
258 
259 {
260 
261     //长按手势属于连续手势，需要处理状态
262 
263     if(UIGestureRecognizerStateBegan==recognizer.state){
264 
265         [UIViewanimateWithDuration:1.0fanimations:^{
266 
267             [recognizer.viewsetTransform:CGAffineTransformMakeRotation(M_PI)];
268 
269         } completion:^(BOOL finished) {
270 
271             //CGAffineTransformIdentity将视图的形变复原(平移，缩放，旋转)
272 
273             [recognizer.viewsetTransform:CGAffineTransformIdentity];
274 
275         }];
276 
277     }
278 
279     
280 
281 }
282 
283  
284 
285 #pragma mark 点按手势
286 
287 - (void) tap:(UITapGestureRecognizer *) recognizer
288 
289 {
290 
291     CGRect initFrame = recognizer.view.frame;
292 
293     CGRect targetFrame = recognizer.view.frame;
294 
295     targetFrame.origin.y +=360;
296 
297     
298 
299     [UIViewanimateWithDuration:1.0fanimations:^{
300 
301         [UIViewsetAnimationRepeatAutoreverses:YES];
302 
303         [UIViewsetAnimationRepeatCount:2];
304 
305         
306 
307         [self.imageView setFrame:targetFrame];
308 
309     }completion:^(BOOL finished) {
310 
311         [self.imageView setFrame:initFrame];
312 
313     }];
314 
315     
316 
317 }