当点击我的应用程序中的图像并且图像位于顶部时,图像将始终完美地向下移动。但是当图像位于底部时,有时图像不会向上移动。即使它不移动,该进程仍在运行,并且它记录下来就好像它在顶部一样。我尝试了所有我知道该怎么做的方法,但是您发现有什么问题吗?谢谢!!
- (void )imageTapped:(UITapGestureRecognizer *) gestureRecognizer
{
NSLog(@"imageTapped");
[UIView beginAnimations:@"move" context:nil];
[UIView setAnimationDuration:0.3];
if (self.imgV.frame.origin.y == 20) {
NSLog(@"Top");
upOrDown = @"1";
self.invalidateTheTimer = @"";
timer = [NSTimer scheduledTimerWithTimeInterval:1.0 target:self selector:@selector(updateLabel) userInfo:nil repeats:YES];
self.imgV.frame=CGRectMake(0, self.view.frame.size.height-self.imgV.frame.size.height, self.imgV.frame.size.width, self.imgV.frame.size.height);
self.vBottom.frame=CGRectMake(0, self.imgV.frame.origin.y+self.imgV.frame.size.height, self.vBottom.frame.size.width, self.vBottom.frame.size.height);
} else if (self.imgV.frame.origin.y >= 507) {
NSLog(@"Bottom");
self.imgV.frame=CGRectMake(0, 20, self.imgV.frame.size.width, self.imgV.frame.size.height);
self.vBottom.frame=CGRectMake(0, self.imgV.frame.origin.y+self.imgV.frame.size.height, self.vBottom.frame.size.width, self.vBottom.frame.size.height);
[hour setText:@""];
[minute setText:@""];
[second setText:@""];
[timer invalidate];
self.invalidateTheTimer = @"INVALIDATE";
}
NSLog(@"%f", self.imgV.frame.origin.y);
[UIView commitAnimations];
}