Can't move Xcode UIButtons with touchesbegan - ios

Question

I am trying to move a button, here is my code. I am not even getting the "fires1" output when I try to move my button. It just gets pressed and doesn't move. I've searched around and I always get the same answers, which I have already applied to my code.
Anyone have any idea why my buttons won't move?
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
[super touchesBegan:touches withEvent:event];
[self.nextResponder touchesBegan:touches withEvent:event];
NSLog(#"%#",#"fires1");
if ([touches count] == 1) {
// one finger
CGPoint touchPoint = [[touches anyObject] locationInView:self.view];
for (UIButton *iView in self.letterButtons) {
// if ([iView isMemberOfClass:[UIButton class]]) {
if (touchPoint.x > iView.frame.origin.x &&
touchPoint.x < iView.frame.origin.x + iView.frame.size.width &&
touchPoint.y > iView.frame.origin.y &&
touchPoint.y < iView.frame.origin.y + iView.frame.size.height)
{
self.dragObject = iView;
self.touchOffset = CGPointMake(touchPoint.x - iView.frame.origin.x,
touchPoint.y - iView.frame.origin.y);
self.homePosition = CGPointMake(iView.frame.origin.x,
iView.frame.origin.y);
[self.view bringSubviewToFront:self.dragObject];
NSLog(#"%#",#"works!");
}
//}
}
}
}
- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event
{
CGPoint touchPoint = [[touches anyObject] locationInView:self.view];
CGRect newDragObjectFrame = CGRectMake(touchPoint.x - touchOffset.x,
touchPoint.y - touchOffset.y,
self.dragObject.frame.size.width,
self.dragObject.frame.size.height);
self.dragObject.frame = newDragObjectFrame;
}
- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event
{
CGPoint touchPoint = [[touches anyObject] locationInView:self.view];
if (touchPoint.x > self.dropTarget.frame.origin.x &&
touchPoint.x < self.dropTarget.frame.origin.x + self.dropTarget.frame.size.width &&
touchPoint.y > self.dropTarget.frame.origin.y &&
touchPoint.y < self.dropTarget.frame.origin.y + self.dropTarget.frame.size.height )
{
// self.dropTarget.currentTitle = self.dragObject.currentTitle;
}
self.dragObject.frame = CGRectMake(self.homePosition.x, self.homePosition.y,
self.dragObject.frame.size.width,
self.dragObject.frame.size.height);
}

Answer 1

I don't understand why are you implementing touches began if you're using UIButtons?
Remove your touches began method and link all your buttons on TouchDown event to this IBAction
-(IBAction)buttonPressed:(id)sender
{
self.dragObject = (UIButton*)sender;
self.homePosition = CGPointMake(sender.frame.origin.x,
sender.frame.origin.y);
[self.view bringSubviewToFront:self.dragObject];
}
Adjust your touceshMoved method like
- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event
{
UITouch *touch = [touches anyObject];
CGPoint currentPoint = [touch locationInView:self.view];
self.dragObject.center = currentPoint;
}
Make your touchesEnded method look like this
- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event
{
BOOL btnAIntersectsWithBtnB = CGRectIntersectsRect(self.dragTarget.frame,self.dropObject.frame);
if(btnAIntersectsWithBtnB)
{
self.dropTarget.currentTitle = self.dragObject.currentTitle;
}
self.dragObject.frame = CGRectMake(self.homePosition.x, self.homePosition.y,
self.dragObject.frame.size.width,
self.dragObject.frame.size.height);
}