Tagged Questions
0
votes
1answer
14 views
How to check if have a new version of the image is available, before download?
I have some images that is stored in my WebServer.
So I want that always that the user opens the app or refresh, it check if have a new version of the image available and if yes, download it?
I have ...
0
votes
1answer
13 views
Is there any way to stop an image in a UIImageView from lazy loading with SDWebImage on iOS?
I'm using the following code to lazy load an image into my UIImageView:
[self.imv1 setImageWithURL:[NSURL URLWithString:myURL]
placeholderImage:[UIImage imageNamed:@"loading.png"]
...
0
votes
1answer
9 views
Bring UIImageView on top of the other UIImageViews in my main view
I have a lot of UIImageViews in my main view, some of these have images, others are blank. I have setup code that will check which UIImageView currently contains an image. At the same time, this code ...
0
votes
1answer
18 views
Trying to use visibleCells when scrolling UITableView in iOS
I am building an app where a UIImageView traverses a UITableView programmatically. I have created two buttons ("up" and "down") that control which direction the UIImageView moves. What I am trying ...
1
vote
1answer
22 views
iOS: Stretching / Resizing UITableView Header As The User Drags Down?
Using storyboard, I have placed an imageView as my tableView's headerView inside a ViewController.
This is how my storyboard is set up:
Depending on what data the user is viewing, the ...
0
votes
1answer
18 views
iphone development: caching images with asyncimageview library
In my app I use AsyncImageView library to load and display images asynchronously and it also claims that it caches the images.
The library can be found here : ...
0
votes
1answer
12 views
UIGestureRecognizer: difficult to tap moving objects
I have an xcode iOS project I'm working on where I have falling particles coming from the top of the screen down to the bottom. Based on the accelerometer, they can either fall fast, or slow.
They ...
0
votes
1answer
18 views
iOS: Stretching ImageView Above My TableView?
I have added a UIImageView on top of my tableView in storyboard & it works perfectly fine, except that when you scroll down, the imageView doesn't stick to the navigationBar and instead only ...
-1
votes
2answers
16 views
Can we zoom the image to full size of device as media player in iOS?
We can zoom media player to full size in iOS by pitch action.How to implement this type of zooming in the case of ImageView in iOS?
0
votes
1answer
35 views
How do I re-position a UIImageView in a UITableViewCell
I have a cellForRowAtIndexPath method that uses a switch to build cells like so:
switch (indexPath.row) {
case 0:
cell.imageView.image = [UIImage imageNamed:@"Usar mi ubicacion ...
2
votes
1answer
20 views
Image Cropping from Gallery
I want to crop selected image from a gallery (Programmatically). I have done a lot of research and got the [tutor](http://iosdevelopertips.com/graphics/how-to-crop-an-image.html) gone through ...
0
votes
2answers
38 views
Adding An Image View to the Top of a Collection View?
I'm trying to add an imageView to the top of my collectionView programmatically (similar to a tableViewHeaderView) but so far, what I'm trying in viewDidLoad isn't quite working.
UIImageView ...
0
votes
0answers
16 views
Custom UIImageViewController swipe to go to next image -iOS
I am writing my own custom UIImageViewController class and I want to add a swipe gesture to go to next or previous image just like the default image application. I was using QuickLook framework for ...
0
votes
2answers
53 views
iOS - Invert a UIImage with button
I have a simple application where I can take an photo or choose and existing photo on the camera roll and then display the image in a UIImageView. I want to have a button that you can press and invert ...
0
votes
1answer
25 views
Trying to transition a UIImageView out of a UIScrollView
I am trying to transition a UIImageView out of a UIScrollView, but cannot find any way of achieving my desired result.
I will try and explain... I have a UIScrollView that contains a number of ...
0
votes
2answers
34 views
How do I create a textfield or label inside a cell programmatically?
I have a tableview with 5 cells. I have added a UIImageView with storyboard and set those uiimageview.image properties to an image. However, the image is placed a few pixels to the right of the edge ...
0
votes
1answer
21 views
How to swap out a UIImage in a tableviewcell
I have a tableviewcell with a uiimageview whose image property is set like so in the cellForRowAtIndexPath:
cell.imageView.image = [UIImage imageNamed:@"image.jpg"];
Now in didSelectRow... I'm ...
0
votes
1answer
12 views
UIImageView content pixels (ingore image padding)
The short version: How do I know what region of a UIImageView contains the image, and not aspect ratio padding?
The longer version:
I have a UIImageView of fixed size as pictured:
I am loading ...
0
votes
2answers
27 views
copy UIImageView that pulls from setImageWithURL
before i had been pulling the same image twice from my server by using, which worked fine but i need to cut down network usage
NSString *friendAvatar = [NSString stringWithFormat:@"%@%@%@", ...
0
votes
1answer
33 views
iOS: UIImageView doesn't respond to tap gestures between animations
I have a multiple images to show in imageview using cross dissolve animation and taping on image displays detail about image. Following is the code working but tap on imageview is failing when it's ...
1
vote
1answer
39 views
Check if image is empty for reused cells
Each cell has an image.
I want to be able to check if the image is empty.
I am using tableView's reuseIdentifier.
I have tried to do the following
if (!cell.imageView.image) {
}
and
if ...
0
votes
3answers
46 views
How to get highlight effect from an invisible button over an imageview
I put a button over my imageview. So it is a custom button and have nothing inside of it. It is invisible. I cant change my structure so I have to put that invisible buttons on my imageview.
My ...
0
votes
0answers
12 views
Scaling a UIImageView running an image sequence
Is it possible to smoothly scale a UIImageView that is running a continuous image sequence?
I need to run an image sequence, possible updating the sequence images. For a start I would like to scale ...
0
votes
2answers
45 views
UIImageView draw with delay
I got a problem with drawing on UIImageView with delay. I got method [className drawPoint:(CGPoint)point] (this method can draw point and it works fine )
Next I want to draw 3 points from array in ...
1
vote
1answer
51 views
When a UIImageView's image is set from Interface Builder, how is that image loaded?
When an image view's source is pre-set from the attributes inspector, when/how is the actual path to the file resolved? There don't seem to be any calls to NSBundle, but I may be wrong.
EDIT: I'm ...
0
votes
2answers
59 views
IOS App - Display images in a grid view froma list of JSON URL
I am storing a list of URLs in a mySQL db table and I have been able to successfully retrieve the URLS via JSON. However, now that i have the JSON I am not sure how to display the images in a image ...
0
votes
1answer
19 views
What's the right method to display zoomable maps?
I want to build an app where I need to display a large map of a floor plan and be able to place yourself on the map. I want to overlay an icon every time you want.
I have been looking at using the ...
0
votes
2answers
56 views
How can I smooth the line between 2 points in iOS?
I already know how to draw a line between 2 points, but the line seems not so smooth. What can I do to make it smoother? Thanks you.
- (void)drawLineFrom:(CGPoint)start To:(CGPoint)end {
// begin ...
0
votes
0answers
20 views
How To :Parallel Animation In Iphone SDK
i have the following animation applied on UIImageView
- (void)viewDidLoad
{
[super viewDidLoad];
slide = 1;
[NSTimer scheduledTimerWithTimeInterval:10 target:self ...
0
votes
2answers
59 views
Linking image without interface builder
Recently I have ditched using storyboards and xibs in my app. While doing that it was quite easy linking images to the proper image name. Now I want to link them without those and running into ...
