image-loading

问题 I'm trying to load an image from a folder named Custom that the user places images into. Here is the method I used to load images: public BufferedImage getCustImg(String path){ BufferedImage img = null; String s = get.getProgramPath(); path = path.trim(); String s2 = s + "\\Custom\\" + path + ".png"; try{ img = ImageIO.read(this.getClass().getResource(s2));//gets image from file path } catch (IOException e) { e.printStackTrace(); } return img; } Here is the program path method public String

问题 I am new to Flutter. I try to load network image using image.network widget. it's work fine but sometimes it's take time to load.I added tap listener to image.network during tap i need to check image is fully load or not based on the result I need to redirect page. how to check image is loaded or not ? Code: new Image.network('http://via.placeholder.com/350x150') Any help will be appreciated, thank you in advance 回答1: You may use the loadingBuilder which is inbuilt feature from flutter for

问题 I am new to Flutter. I try to load network image using image.network widget. it's work fine but sometimes it's take time to load.I added tap listener to image.network during tap i need to check image is fully load or not based on the result I need to redirect page. how to check image is loaded or not ? Code: new Image.network('http://via.placeholder.com/350x150') Any help will be appreciated, thank you in advance 回答1: You may use the loadingBuilder which is inbuilt feature from flutter for

来源： https://stackoverflow.com/questions/44772219/how-to-load-low-quality-and-then-high-quality-image-afterwards-in-android-just

来源： https://stackoverflow.com/questions/44772219/how-to-load-low-quality-and-then-high-quality-image-afterwards-in-android-just

来源： https://stackoverflow.com/questions/44772219/how-to-load-low-quality-and-then-high-quality-image-afterwards-in-android-just

问题 Is there any way without AJAX of changing the loading order of images on a page? Or even a way to completely halt or pause loading of images already present? The use case is simple - I have a long list of images down a page, and visitors will be landing on different spots of the page using URL anchors (/images#middle-of-page) that refer to actual containers for those images. I'd like in the least to load the images inside the requested container FIRST, then continue loading the rest of the

问题 I have an image, out.jpg , that is updated more or less every second. I want the image displayed in an HTML file, and always up to date. My original solution was to reload the image every half second. This worked fine, but the image would flicker white for a second while it was loading. Any solutions? What I tried to do to fix this was to load the image into a separate hidden <img> tag, and then load it into the visible <img> tag, and let it open it from the cache, eliminating the flickering.

问题 WhatsApp developers recently improved the image loading in which immediately loading some portion of the image (getting its dimension and some pixels of the images) and then after loading the entire image, replace the placeholder with the full image: My question is, how did they implement it? Do they read the dimension of the image by reading its header (meta-data)? How about the image content? Or do they have two versions of the image at the server-side, a smaller one with low-quality which

问题 I've been trying to figure out how to dynamically add images via React and Webpack. I have an image folder under src/images and a component under src/components/index . I'm using url-loader with the following config for webpack { test: /\.(png|jpg|)$/, loader: 'url-loader?limit=200000' } Within the component I know I can add require(image_path) for a specific image at the top of the file before I create the component but I want make the component generic and have it take a property with the