universal-image-loader

问题 i want to ask about UIL which the URI input from InputStream. Because my image source from ZIP and then i must extract it to show that image. Because the image is too big, i must use the UIL library, anybody know how to insert UIL from InputStream. 回答1: I think you can do it similar to loading images from DB - Can Universal image loader for android work with images from sqlite db? Lets choose own scheme so our URIs will look like "stream://..." . Then implement ImageDownloader . We should

问题 This question already has answers here : What is a NullPointerException, and how do I fix it? (12 answers) Closed 7 months ago . I am doing a tutorial for homework, which is to build an Instagram app. The tutorial is about two years old and I am having some problems with the coding. I am having the following error and am not sure why. java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.Context android.content.Context.getApplicationContext()' on a null object

问题 I'd like to use ImageViewZoom with Universal Image Loader in ImagePagerActivity. I am able to zoom the image, Swipe to the next image. But i am facing problem when image is in Zoom position. if an image is zoomed and i am at center position, if i want to see the right side part of the same image and swipe left it is going to the next image. Please help me in doing this. here is my XML code: <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill

问题 I'd like to use ImageViewZoom with Universal Image Loader in ImagePagerActivity. I am able to zoom the image, Swipe to the next image. But i am facing problem when image is in Zoom position. if an image is zoomed and i am at center position, if i want to see the right side part of the same image and swipe left it is going to the next image. Please help me in doing this. here is my XML code: <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill

问题 I was wondering if there is a mechanism to show a spinning "indeterminate" ProgressBar in place of the image while it's loading with Universal Image Loader. Right now I'm using the showStubImage() option in DisplayImageOptions to show an image that says "No Image" while the image is being downloaded, but it would be really slick looking if there was a spinning indeterminate ProgressBar on top of the ImageView while the image was downloading. 回答1: For reference final View imageLayout =

问题 I successfully applied the Universal Image Loader library (1.8.3 version) to my app, and I'm trying to resize the image before displaying it in the gridview item (because sometime image is too big to cache it in memory.) Here is what I am trying: ... BitmapFactory.Options resizeOptions = new BitmapFactory.Options(); resizeOptions.inSampleSize = 3; // decrease size 3 times resizeOptions.inScaled = true; options = new DisplayImageOptions.Builder() .showStubImage(R.drawable.blank)

问题 Currently here is my loader: doption=new DisplayImageOptions.Builder().showImageForEmptyUri(R.drawable.empty_photo).showImageOnFail(R.drawable.empty_photo).showStubImage(R.drawable.empty_photo).cacheInMemory(true).cacheOnDisc(true).displayer(new RoundedBitmapDisplayer(20)).build(); animateFirstListener = new AnimateFirstDisplayListener(); ... ImageLoader imageLoader = ImageLoader.getInstance(); imageLoader.displayImage(strUrl, image, doption, animateFirstListener); ... static class

问题 How can I access the height and width of an image loaded using the Android Universal Image Loader? 回答1: You can get Bitmap of image when image was loaded using ImageLoadingListener: imageLoader.displayImage(imageUrl, imageView, [options], new SimpleImageLoadingListener() { @Override public void onLoadingComplete(Bitmap loadedImage) { int width = loadedImage.getWidth(); int height = loadedImage.getHeight(); //... } }); 来源： https://stackoverflow.com/questions/14331062/how-to-get-height-and

问题 This library allow to download and resize automatically image from the web. This is the snippet of the code in the website wiki: ImageSize targetSize = new ImageSize(120, 80); // result Bitmap will be fit to this size imageLoader.loadImage(imageUri, targetSize, displayOptions, new SimpleImageLoadingListener() { @Override public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage) { // Do whatever you want with Bitmap } }); This is my code: ImageView imageView = (ImageView

问题 This library allow to download and resize automatically image from the web. This is the snippet of the code in the website wiki: ImageSize targetSize = new ImageSize(120, 80); // result Bitmap will be fit to this size imageLoader.loadImage(imageUri, targetSize, displayOptions, new SimpleImageLoadingListener() { @Override public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage) { // Do whatever you want with Bitmap } }); This is my code: ImageView imageView = (ImageView