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在超級視圖移動時使子視圖保持靜止

[英]Keeping the subview stationary, while superview is moving

我一直在嘗試構建自定義的uitableview滑動。 我在那方面很成功。 當它遇到touchesMoved時,我還想將uiview作為子視圖添加到tablecell。 當我嘗試移動表格單元時,我希望將uiview附加為固定的。 為此,我還要使它向opp方向移動(如StackOverflow的答案之一所示)。 但這並不能保持穩定。 子視圖也隨單元格一起移動。 請幫助我找出我要去哪里錯了? 代碼如下:

- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event 
{
UITableViewCell * cell = (UITableViewCell *)[self cellForRowAtIndexPath:[self indexPathForRowAtPoint:gestureStartPoint]];
isTouchesMoved=YES;

if ([self supportsSwipingForCellAtPoint:gestureStartPoint])
{

    [NSObject cancelPreviousPerformRequestsWithTarget:self selector:@selector(highlightTouchedRow) object:nil];

    UITouch * touch = [touches anyObject];
    CGPoint currentPosition = [touch locationInView:self];
    CGFloat deltaX = fabsf(gestureStartPoint.x - currentPosition.x);
    CGFloat deltaY = fabsf(gestureStartPoint.y - currentPosition.y);
    if (deltaX >= kMinimumGestureLength && deltaY <= kMaximumVariance)
    {
        tempView=[self addnewViewatPoint:touches withEvent:event];
        [cell addSubview:tempView];
        [self setScrollEnabled:NO];
        CGPoint loc = [touch locationInView:self];
        CGPoint prevloc = [touch previousLocationInView:self];
        if(moved==TRUE)
        {
            prevLoc=cell.frame;
            prevLocBack=tempView.frame;
            moved=FALSE;
        }
        CGRect myFrame = cell.frame;
        CGRect backFrame = tempView.frame;
        CGFloat deltaX = loc.x - prevloc.x;
        if(gestureStartPoint.x>currentPosition.x)
        {
            NSLog(@"You have swiped left");
            CGFloat movedDistance=gestureStartPoint.x-currentPosition.x;
            NSLog(@"The movedDistance is %f",movedDistance);
            if(movedDistance<=160)
            {
                myFrame.origin.x += deltaX;
                backFrame.origin.x-=deltaX;
                NSLog(@"The backgroundViewframe position, frameposition is %f and %f",fabsf(backFrame.origin.x),fabsf(myFrame.origin.x));
            }
            [tempView setFrame:backFrame];
            [cell setFrame:myFrame];

        }
        else 
        {
            NSLog(@"You have swiped right");
            CGFloat movedDistance=currentPosition.x-gestureStartPoint.x;
            NSLog(@"The movedDistance is %f",movedDistance);
            if(movedDistance<=160)
            {
            myFrame.origin.x += deltaX;
                            backFrame.origin.x-=deltaX;
            }
            [cell setFrame:myFrame];
        }
        if ([swipeDelegate respondsToSelector:@selector(tableView:didSwipeCellAtIndexPath:)])
        {
            [swipeDelegate tableView:self didSwipeCellAtIndexPath:[self indexPathForRowAtPoint:gestureStartPoint]];
        }

        [self setIndexOfVisibleBackView:[self indexPathForCell:cell]];
    }

    [self setScrollEnabled:YES];

}
else
{
    [super touchesMoved:touches withEvent:event];
}
}


-(UIView *) addnewViewatPoint:(NSSet *)touches withEvent:event
 {

UIView *backgroundView=[[[UIView alloc] initWithFrame: CGRectMake(10.0, 30.0, 200.0, 25.0)] autorelease];
[backgroundView setBackgroundColor:[UIColor redColor]];
[backgroundView setUserInteractionEnabled:NO];
backgroundView.tag=101;
return backgroundView;
 }


 - (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event
   {
if ([self supportsSwipingForCellAtPoint:gestureStartPoint])
{
    TISwipeableTableViewCell * cell = (TISwipeableTableViewCell *)[self cellForRowAtIndexPath:[self indexPathForRowAtPoint:gestureStartPoint]];
    if(isTouchesMoved==NO)
    {
        [self.delegate tableView:self didSelectRowAtIndexPath:[self indexPathForCell:cell]];
        [self touchesCancelled:touches withEvent:event];
    }

    [UIView beginAnimations:nil context:NULL];
    if(isTouchesMoved==YES)
    {
        [cell setFrame:prevLoc];
        [tempView setFrame:prevLocBack];
        isTouchesMoved=NO;
    }
    moved=TRUE;
    [UIView commitAnimations];
    [self touchesCancelled:touches withEvent:event];
    //[super touchesEnded:touches withEvent:event];
}
else
{
    [super touchesEnded:touches withEvent:event];
}

}

您能否將需要固定的uiview添加到表下方的視圖中?

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