All my labels, done button and back button are scrolling within my icarousel. Is there a way to stop them from moving with the swipe gesture or are they inherently fixed? Or is it a case of taking them out of the function all together?
- (UIView *)carousel:(iCarousel *)carousel viewForItemAtIndex:(NSInteger)index reusingView:(UIView *)view
{ GalleryImage* gi = [self.galleryItem.galleryImages objectAtIndex:index];
UIImageView* imageView = nil;
UILabel* positionLabel = nil;
//UILabel* titleLabel = nil;
UILabel* label = nil;
UIButton* doneButton = nil;
UIView* labelBackground = nil;
UIActivityIndicatorView * spinnerView = nil;
UILabel * errorMessage = nil;
UILabel* titleLabel = nil;
//create new view if no view is available for recycling
if (view == nil) {
view = [[UIView alloc] initWithFrame:CGRectMake(0, 0, self.carousel.frame.size.width, self.carousel.frame.size.height)] ;
// Image
imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, self.carousel.frame.size.width, self.carousel.frame.size.height)] ;
imageView.contentMode = UIViewContentModeScaleAspectFit;// UIViewContentModeCenter;
imageView.tag = 1;
// Spiner
spinnerView = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];
[spinnerView setFrame:imageView.frame];
spinnerView.tag = 11;
//Error message
errorMessage = [[UILabel alloc] initWithFrame:spinnerView.frame];
[errorMessage setTextAlignment:NSTextAlignmentCenter];
[errorMessage setTextColor:[UIColor whiteColor]];
errorMessage.font = [UIFont fontWithName:@"Helvetica-Bold" size: 14.0];
errorMessage.tag = 111;
[imageView addSubview:errorMessage];
[imageView addSubview:spinnerView];
[view addSubview:imageView];
// Position
positionLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, self.carousel.frame.size.width, 30)] ;
positionLabel.backgroundColor = [UIColor clearColor];
positionLabel.textAlignment = NSTextAlignmentCenter;
positionLabel.lineBreakMode = NSLineBreakByWordWrapping;
positionLabel.numberOfLines=1;
positionLabel.font = [UIFont fontWithName:@"Helvetica-Bold" size: 14.0];
positionLabel.textColor = [UIColor whiteColor];
positionLabel.tag = 2;
//if(UIInterfaceOrientationPortrait == self.interfaceOrientation)
if(UIInterfaceOrientationIsPortrait(self.interfaceOrientation))
{
// Title
titleLabel = [[UILabel alloc] initWithFrame:CGRectMake(10, 20, self.carousel.frame.size.width - 20, 100)] ;
titleLabel.backgroundColor = [UIColor clearColor];
titleLabel.textAlignment = NSTextAlignmentLeft;
titleLabel.lineBreakMode = NSLineBreakByWordWrapping;
titleLabel.numberOfLines = 4;
titleLabel.font = [UIFont fontWithName:@"Georgia" size: 18.0];
titleLabel.textColor = [UIColor whiteColor];
titleLabel.text = [NSString stringWithFormat:@"%@ \n", self.galleryItem.title];
[view addSubview:titleLabel];
/*
* Manage carousel speed and deceleration rate for portrait mode
*/
//self.carousel.decelerationRate = 0.175f;
//self.carousel.scrollSpeed = 0.45f;
}
else if(UIInterfaceOrientationIsLandscape(self.interfaceOrientation))
{
/*
* Manage carousel speed and deceleration rate for landscape mode
*/
//self.carousel.decelerationRate = 0.25f;
//self.carousel.scrollSpeed = 0.55f;
}
labelBackground = [[UIView alloc] initWithFrame:CGRectMake(0, self.carousel.frame.size.height - 160, self.carousel.frame.size.width , 160)] ;
CAGradientLayer *labelBackgroundGradient = [CAGradientLayer layer];
labelBackgroundGradient.frame = labelBackground.bounds;
labelBackgroundGradient.colors = [NSArray arrayWithObjects: (id)[[UIColor clearColor]CGColor],
(id)[[UIColor blackColor]CGColor],
nil
];
[labelBackground.layer insertSublayer:labelBackgroundGradient atIndex:0];
labelBackground.opaque = false;
labelBackground.tag = 5;
// Description
UILabel* label = [[UILabel alloc] initWithFrame:CGRectMake( 0.0f,
0.0f,
labelBackground.bounds.size.width - 20.0f,
labelBackground.bounds.size.height)] ;
label.backgroundColor = [UIColor clearColor];
label.textAlignment = NSTextAlignmentLeft;
label.numberOfLines = 0;
label.font = [label.font fontWithSize:12];
label.textColor = [UIColor whiteColor];
label.text = gi.descriptionGalleryImage;
[label autoAdjustGalleryCaptionSize];
[label setFrame:CGRectMake( label.bounds.origin.x + 10.0f,
label.bounds.origin.y + (labelBackground.bounds.size.height - (label.bounds.size.height + 10.0f)),
label.bounds.size.width,
label.bounds.size.height
)];
label.tag = 6;
[labelBackground addSubview:label];
[view addSubview:labelBackground];
} else {
imageView = (UIImageView *)[view viewWithTag:1];
spinnerView = (UIActivityIndicatorView*)[imageView viewWithTag:11];
errorMessage = (UILabel*) [imageView viewWithTag:111];
positionLabel = (UILabel *)[view viewWithTag:2];
doneButton = (UIButton *)[view viewWithTag:3];
//titleLabel = (UILabel *)[view viewWithTag:4];
labelBackground = (UIView *)[view viewWithTag:5];
label = (UILabel*)[view viewWithTag:6];
}
//Start image loading
ImageSize* imSize = [gi getLargestImage];
[spinnerView startAnimating];
errorMessage.text = @"";
[imageView sd_setImageWithURL:[NSURL URLWithString:imSize.source] placeholderImage:nil options:SDWebImageContinueInBackground progress:^(NSInteger receivedSize, NSInteger expectedSize) {
//progress bar could be here
} completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) {
//remove progressbar
[spinnerView stopAnimating];
//Display error message
if(error)
{
//errorMessage.text = error.localizedDescription;
errorMessage.text = @"Cannot load image";
}
//Assign image
if(image)
{
[imageView setImage:image];
}
}];
positionLabel.text = [NSString stringWithFormat:@"%d of %ld", (index + 1), (long)[self.galleryItem.galleryImages count]];
UIView* v = [[UIView alloc] initWithFrame:CGRectMake(0, 0, self.carousel.frame.size.width, 30)];
v.backgroundColor = [UIColor blackColor];
v.alpha = 0.6;
[view addSubview:v];
[view addSubview:positionLabel];
// Done button
doneButton = [UIButton buttonWithType:UIButtonTypeCustom];
doneButton.frame = CGRectMake(0, 0 , 50, 30);
[doneButton setImage:[UIImage imageNamed:@"back_button_white"] forState:UIControlStateNormal];
doneButton.imageEdgeInsets = UIEdgeInsetsMake(0,5,0,5);
[doneButton setTintColor:[UIColor whiteColor]];
[doneButton addTarget:self action:@selector(back) forControlEvents:UIControlEventTouchUpInside];
[view addSubview:doneButton];
/*
* The description. Why are we setting the frame for the label multiple times?
* We need to do this so it can autoadjust its size and position according
* to the text contained within it.
*/
[label setText:gi.descriptionGalleryImage];
[label autoAdjustGalleryCaptionSize];
[label setFrame:CGRectMake( label.bounds.origin.x + 10.0f,
label.bounds.origin.y + (labelBackground.bounds.size.height - (label.bounds.size.height + 10.0f)),
label.bounds.size.width,
label.bounds.size.height
)];
labelBackground.hidden = self.hideLandscapeDetails;
label.hidden = self.hideLandscapeDetails;
doneButton.hidden = self.hideLandscapeDetails;
positionLabel.hidden = self.hideLandscapeDetails;
v.hidden =self.hideLandscapeDetails;
titleLabel.hidden = self.hideLandscapeDetails;
self.tap1 = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(showHideInfo:)];
[view addGestureRecognizer:self.tap1];
// scroll portrait view to same index
if (self.delegate) {
[self.delegate setReturnIndex:self.carousel.currentItemIndex];
}
id<GAITracker> tracker = [[GAI sharedInstance] defaultTracker];
[tracker send:[[GAIDictionaryBuilder createEventWithCategory:@"Image Gallery" // Event category (required)
action:@"Gallery Image Viewed" // Event action (required)
label:@"Picture swipe" // Event label
value:[NSNumber numberWithLong:(index + 1)]] build]]; // Event value
return view;
}
