In my iOS project, i added an image to the right of text field. It leaned on borders at all.
Then i searched and find this topic and used TTillage's solution. It became better, but still leaned on top and bottom borders.
Finally i changed the frame of my image, however pulling inside from right border was not working at this point. My final view is:
I want this little image to be a bit away from borders and not stretched (if i do second version with third, it gets stretched). Is there a way for this?
My code:
myImage = [[UIImageView alloc] initWithImage:[UIImage imageNamed:#"myImage.png"]];
myImage.frame = CGRectMake(30.0, 0.0, self.textField.frame.size.height-5.0, self.textField.frame.size.height-5.0);
//myImage.contentMode = UIViewContentModeCenter;
self.textField.rightViewMode = UITextFieldViewModeUnlessEditing;
self.textField.rightView = myImage;
Thank you.
Related
I am new to UIScrollView, and they are driving me crazy.
I am trying to create a screen that has a title and some descriptive text at the top, and then a scroll view (with paging enabled) in the bottom two thirds of the screen. This scroll view will contain 1-3 images. Ideally, I'd like the first image to appear centered in the initial scroll view window, and then enable the user to view the other images by scrolling/paging horizontally, again ideally with each image centered in its 'page'.
The code below loads the images for 'item' from the Internet, creates a UIImageView for each, and inserts them into the scroll view. According to the frame calculations, I would expect the first image to be up against the left side of the scrollview, and then the other images to the right, with no space between them. But instead, the first image is shifted to the right, about half-way across the screen, and there are equally large spaces between each image.
I have turned off paging to simplify matters, and I have tried experimenting with tweaking the image frame values, trying to understand what's happening, but nothing works as I expect it to.
I am guessing that autolayout is messing with me. Can someone confirm that, and maybe give me some hints on how to get this scrollview under control?
Thanks in advance.
self.imageScrollView.contentSize = CGSizeMake(self.imageScrollView.frame.size.width * (imageFieldNames.count),
self.imageScrollView.frame.size.height);
self.imageScrollView.pagingEnabled = NO;
CGFloat xPos = 0.0;
for (NSString *field in imageFieldNames) {
NSString *name = [self.item valueForKey:field];
if (name.length > 0) {
UIImageView *iv = [[UIImageView alloc] init];
iv.contentMode = UIViewContentModeScaleAspectFit;
[self loadImage:iv withFile:name];
iv.frame = CGRectMake(xPos, 0.0,
self.imageScrollView.frame.size.width,
self.imageScrollView.frame.size.height);
[self.imageScrollView addSubview:iv];
xPos += self.imageScrollView.frame.size.width;
}
}
I want to repeat the following image:
to achieve the following background:
I tried a few codes as follow:
bluePatternView.backgroundColor = [UIColor colorWithPatternImage:
[[UIImage imageNamed:#"blue_pattern.png"] stretchableImageWithLeftCapWidth:0 topCapHeight:0]];
and:
bluePatternView.backgroundColor =
[[UIColor alloc] initWithPatternImage:[UIImage imageNamed:#"blue_pattern.png"]];
I also tried to draw image with CGContextDrawTiledImage with no success.
How that can be done?!
EDIT: result of implementing luk2302. please give him recognition by upvoting
bluePatternView.backgroundColor =
[UIColor colorWithPatternImage:[UIImage imageNamed:#"blue_pattern.png"]];
result:
I found solution in images.xcassets,
Step 1:- Put your image to images.xcassets
Step 2:- Click on image, then click on bottom right corner written “Show Slicing”
Step 3:- Click on Start Slicing
Step 4:- Click on "Slice Horizontally and Vertically" button
Step 5:- Here you will see 3-Horizontal and 3-Vertical slice lines.
Put the most left vertical line to left side of image and both right most lines to right side of image.
Put the most top line to top of image and both bottom most lines to bottom of image.
So the final result will be looking like this.
Step 6:- Use this image.
And now image will be repeated.
Note:- If you give slicing to 2x image it will repeat just 2x image, for 3x images you need to do the same slicing.
Example by Apple
As my comment already said: use
bluePatternView.backgroundColor =
[UIColor colorWithPatternImage:[UIImage imageNamed:#"blue_pattern.png"]];
You dont want to stretch your image. Let UIKit take care of the repetition.
Assuming that your bluePatternView is the actual large view for which you want to set a pattern as background. Maybe you are setting the background property of the wrong view if that code is still not working.
Note: duplicating the SAME image with #2x and #3x extension will lead to behaive properly for better resolution devices.
bluePatternView.backgroundColor = UIColor(patternImage: UIImage(named: "blue_pattern")!)
You need to save image in Assets then put those lines in viewdidload
bluePatternView.backgroundColor = UIColor.init(patternImage: #imageLiteral(resourceName: "f8"))
This is for Swift 4.1.
this with Bellow Method using stretchableImageWithLeftCapWidth like this way:-
UIImage *backgroundImage = [[UIImage imageNamed:#"SheetBackground.png"] stretchableImageWithLeftCapWidth:0.5 topCapHeight:0];
as par your need example:-
UIImage *backgroundImage = [[UIImage imageNamed:#"q4Ses.png"] stretchableImageWithLeftCapWidth:0.5 topCapHeight:0];
[_scro setBackgroundColor:[UIColor colorWithPatternImage:backgroundImage]];
Basic issue:
I believe the trick is with masking, but I am not able to get a good hold of how this is set.
Basically I have a bright image (set to a uiimageview object), and I have a label at very bottom (which is added on top of the image view) needs a well readable white text on it. Right now, the white text is hard to read (because of the bright background).
What I am doing:
I am setting a mask for the image view with something like
http://cl.ly/image/0i0N1p271d42
maskContainer = [CALayer layer];
UIImage *maskImg = [UIImage imageNamed:#"mask_profile"];
[maskContainer setContents:(id)[maskImg CGImage]];
CGRect frma = maskContainer.frame;
frma.size.width = self.frame.size.width;
frma.size.height = self.frame.size.height;
maskContainer.frame = frma;
[self.imageView.layer setMask:maskContainer];
Its messed up. The overall image starts fading on top.
Can anyone share their insight on the right way to mask?
You could set a drop shadow on your text to make is stand out even over a white background:
myLabel.layer.shadowOpacity = 0.8f;
myLabel.layer.shadowOffset = CGSizeMake(0, 0);
Easiest option is to adjust the alpha on the UILabel to the desired darkness in order to make the text stand out. If you do not want to hide the image and the image itself serves as a dark background, then set the alpha on the label to 0.
The best way to do this is to place the label in a uiview then create a gradient to apply as the background to the uiview. You can create the gradient as either an image with transparency or you can draw it in code. This will create a darkening effect on you bright image just behind the label so the text will pop.
I want to show an image of glass getting filled with water in iPhone using iOS 8. I can get a white background image of glass (that shows empty glass) and water color could be light grey, for example.
Is there an option to fill background color of glass (in intervals)
so that it looks as if the glass is really getting filled with water?
Can I draw complete image (glass already filled with water) part by
part from bottom to top to show similar effect?
Any options to display/animate such an image?
With UIImageView you can do like that, create an images for each frame:
images = #[[UIImage imageNamed:#"img1.png"],
[UIImage imageNamed:#"img2.png"],
[UIImage imageNamed:#"img3.png"]];
[imageView setAnimationImages:testArray] ;
imageView.animationDuration = 0.5;
imageView.animationRepeatCount = 1;
[imageView startAnimating];
Another way is to have UIView's/UIImageView's composition, e.g. UIImageView in front, use it as mask, another one in a back, and just use simple UIView animation.
But anyway, such a animation can be done in many ways, depends on your needs and how nice this animation should be.
I have a UIImageView and I want to make a copy of it and place it somewhere on the screen. How do I do this?
I currently only know how to copy and paste the image manually and make a separate IBOutlet for each one, but this is very inefficient because I want to make a game that generates obstacles (UIImageViews) forever so I can't do it the manual way.
You want to make sure you match all of the properties up as well, like size, clipping, image aspect, opacity, etc.
CGPoint locationOfCloneImageView = CGPointMake(0, 0);//x and y coordinates of where you want your image. (More specifically, the x and y coordinated of where you want the CENTER of your image to be)
UIImageView *cloneImageView = [[UIImageView alloc] initWithImage:originalImageView.image];
cloneImageView.frame = CGRectMake(0, 0, originalImageView.frame.size.width, originalImageView.frame.size.height);//same size as old image view
cloneImageView.alpha = originalImageView.alpha;//same view opacity
cloneImageView.layer.opacity = originalImageView.layer.opacity;//same layer opacity
cloneImageView.clipsToBounds = originalImageView.clipsToBounds;//same clipping settings
cloneImageView.backgroundColor = originalImageView.backgroundColor;//same BG color
cloneImageView.tintColor = originalImageView.tintColor;//matches tint color.
cloneImageView.contentMode = originalImageView.contentMode;//matches up things like aspectFill and stuff.
cloneImageView.highlighted = originalImageView.highlighted;//matches whether it's highlighted or not
cloneImageView.opaque = originalImageView.opaque;//matches can-be-opaque BOOL
cloneImageView.userInteractionEnabled = originalImageView.userInteractionEnabled;//touches are detected or not
cloneImageView.multipleTouchEnabled = originalImageView.multipleTouchEnabled;//multi-touches are detected or not
cloneImageView.autoresizesSubviews = originalImageView.autoresizesSubviews;//matches whether or not subviews resize upon bounds change of image view.
//cloneImageView.hidden = originalImageView.hidden;//commented out because you probably never need this one haha... But if the first one is hidden, so is this clone (if uncommented)
cloneImageView.layer.zPosition = originalImageView.layer.zPosition+1;//places it above other views in the parent view and above the original image. You can also just use `insertSubview: aboveSubview:` in code below to achieve this.
[originalImageView.superview addSubview:cloneImageView];//adds this image view to the same parent view that the other image view is in.
cloneImageView.center = locationOfCloneImageView;//set at start of code.
You will need to create one new UIImageView with its new frame where you want to place it. set its image property of your existing imageView's image, and after that add it to your view.
UIImageView *newImageView = [[UIImageView alloc] initWithFrame:CGRectMake(0,0,50,50)];
newImageView.image = oldImageView.image;
[self.view addSubView:newImageView]