UIPanGestureRecognizer使用小结(2)

p>- (void)viewDidAppear:(BOOL)animated

p>{

p>    NSLog(@" viewDidAppear is at %@.", [NSDate date]);

p> 

p>    UIImage *image = [UIImage imageNamed:@"5.jpg"];

p> 

p>    testPanView = [[UIView alloc] initWithFrame:CGRectMake(18, 11, 100, 100)];

p> 

p>    UIImageView *imageview = [[UIImageView alloc] initWithFrame:[testPanView frame]];

p>    [imageview setImage:image];

p>    [testPanView addSubview:imageview];

p> 

p>    UIPanGestureRecognizer *panRecognizer = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(handlePan:)];

p>    [panRecognizer setMinimumNumberOfTouches:1];

p>    [panRecognizer setMaximumNumberOfTouches:1];

p>    [panRecognizer setDelegate:self];

p>    [testPanView addGestureRecognizer:panRecognizer];

p> 

p>    [self.view addSubview:testPanView];

p> 

p>    testPanTableView = [[UITableView alloc] initWithFrame:CGRectMake(118, 121, 100, 100) style:UITableViewStylePlain];

p> 

p>    UIPanGestureRecognizer *panRecognizer2 = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(handlePan2:)];

p>    [panRecognizer2 setMinimumNumberOfTouches:1];

p>    [panRecognizer2 setMaximumNumberOfTouches:1];

p>    [panRecognizer2 setDelegate:self];

p>    [testPanTableView addGestureRecognizer:panRecognizer2];

p> 

p>    [self.view addSubview:testPanTableView];

p>}

p> 

p>- (void)handlePan:(UIPanGestureRecognizer *)recognizer

p>{

p>    CGPoint translatedPoint = [recognizer translationInView:self.view];

p>    NSLog(@"gesture translatedPoint  is %@", NSStringFromCGPoint(translatedPoint));

p>    CGFloat x = recognizer.view.center.x + translatedPoint.x;

p>    CGFloat y = recognizer.view.center.y + translatedPoint.y;

p> 

p>    recognizer.view.center = CGPointMake(x, y);

p> 

p>    NSLog(@"pan gesture testPanView moving  is %@,%@", NSStringFromCGPoint(recognizer.view.center), NSStringFromCGRect(recognizer.view.frame));

p> 

p>    [recognizer setTranslation:CGPointMake(0, 0) inView:self.view];

p>}

p> 

p> 

p> 

p>- (void)handlePan2:(UIPanGestureRecognizer *)recognizer

p>{

p>    // NSLog(@"gesture translatedPoint  xxoo xxoo");

p>    CGPoint translatedPoint = [recognizer translationInView:self.view];

p> 

p>    if ([(UIPanGestureRecognizer *)recognizer state] == UIGestureRecognizerStateBegan) {

p>        firstX = recognizer.view.center.x;

p>        firstY = recognizer.view.center.y;

p>        NSLog(@"self.view bounds is %@", NSStringFromCGRect(self.view.bounds));