uiimageview

问题 I am making an application in which i have use Json parsing. With the help of json parsing i get photo url which is saved in string. To show images in my cell i use this code NSString *strURL=[NSString stringWithFormat:@"%@", [list_photo objectAtIndex:indexPath.row]]; NSData *imageData = [[NSData alloc] initWithContentsOfURL: [NSURL URLWithString: strURL]]; CGRect myImage =CGRectMake(13,5,50,50); UIImageView *imageView = [[UIImageView alloc] initWithFrame:myImage]; [imageView setImage:

问题 I have an "UIImage" return type method named "ComLog". I want to return a Image from this method. In "ComLog" method i use GCD to get the image value from an array. I use the following code, the "NSLog(@"qqqqqqqqqqq %@", exiIco)" print the 'image' value but NSLog(@"qqqqqqqqqqq %@", exiIco);" don't. Here is the details : -(UIImage*) ComLog { ExibitorInfo *currentExibitor100 = [[ExibitorInfo alloc] init]; currentExibitor100 = [self.exibitorsArray objectAtIndex:0]; imageQueueCompanyLogo =

问题 I am currently loading images from my server. The images are plenty depending on the number of images it return. I have been able to display these images successfully and I can scroll down to view all images. Now my problem is I want a way which I can click on a specific image i will be able to zoom it. I have shared my code below: //Declaration of variables var albumID: String? var imagePath: String? var path: String? var getClickImage = UIImageView() var zoomscrollV = UIScrollView() var

问题 I am stuck in a situation. I have some set of 10 images in drawable folder. During my code I have just the image name. for e.g "elephant.png" and I want the byte array of the image( drawable ) corressponding to image name. String imageName = getResources().getResourceEntryName(GroupIconAdapter.mThumbIds[position]); From here I get the image name and I want byte array. Is is possible? Thanks 回答1: Put this images into your assests directory and you can access like this way String url = "file://

问题 how can I add a custom background to my ResearchKit survey? I tried: taskViewController.view.backgroundColor = UIColor(patternImage: UIImage(named:imageName)) And: taskViewController.view.backgroundColor = UIColor.clearColor() let backgroundImage = UIImage(named: "Background") let imageView = UIImageView(image: backgroundImage) taskViewController.view.addSubview(imageView) taskViewController.view.sendSubviewToBack(imageView) 回答1: The individual step view controllers will each need the

问题 My view does not show. I created an empty application and added a button and an UIImageView. I used storyboards. There is only one storyboard. An arrow points to this storyboard. I set the rootViewController in the AppDelegate. I set the image below in the view controller. The image is listed as 'bl_5_00' in the Images.xcassets blue folder. A red button doesn't show either which leads me to believe I have messed something else up that is more structural. App Delegate #import "PEPI_AppDelegate

问题 I have collectionview with images.. if i give placeholder image in sd_setImage then i am getting that image in collectionview, otherwise it shoes nil in collectionview why?? perfectly I'm getting all images in cellForItemAt then why i am unable to display it in collectionview screen. where i did mistake in my code. please help me in my code. here is my code: import UIKit import SDWebImage struct JsonData { var iconHome: String? var typeName: String? init(icon: String, tpe: String) { self

问题 I know there are lots of similar questions here and I checked the famous one, and then grasped the difference between Bounds, and Frame. Now I have some problem related to them. I played around with them , but it didn't show as I expected. What I don't understand here is: Why the frame origin of Y is 44.000000 below the top even I set the UIImageView at the left corner? Because bounds should be "The bounds of an UIView is the rectangle, expressed as a location (x,y) and size (width,height)

问题 When a user taps a button on my interface, I want to create an image of the screen using renderInContext: However, the image is created with the button in it's 'pressed' state - that is, the UIControlStateHighlighted image is used. Is there some way to wait for this button to revert back to the UIControlStateNormal state before I create the image? If not, the only other solution I can think of is recreating the view off screen, and imaging that. P.S I would rather avoid using some arbitrary

问题 Im new to ios programming so thank you for your patience. I am creating a collection view with images and labels downloaded from parse.com backend. I am able to display the labels perfectly in the collection view now I am trying to get the corresponding images as well. I am uncertain how to do so . PLEASE HELP SOS here is my function // Get Brands func getBrand () { // Create PFQuery var query:PFQuery = PFQuery(className: "BrandInfo") // Call findobjects query.findObjectsInBackgroundWithBlock