universal-image-loader

Find and load cached Image in Glide

六眼飞鱼酱① 提交于 2019-12-12 10:47:11
问题 I am new in glide and want to migrate my app from universalimageloader to glide. I want to convert cached image from the disk into image file, and show it into an ImageView. When I use universalimageloader, I can do it easily with this way: File imageFile = DiskCacheUtils.findInCache(image_url, ImageLoader.getInstance().getDiscCache()); //then show it into image view String file_target = "file://"+imageFile.getPath(); ImageLoader.getInstance().displayImage(target, imageView); However I have

null pointer exception while trying to add dynamic views to view flipper using universal image loader library android

亡梦爱人 提交于 2019-12-12 06:48:34
问题 I am trying to create a viewflipper with dynamic imageviews the src of the imageviews is coming from the sd card path.I want to load the images using Universal image loader library. I am getting null pointer exception when I am binding the image to the imageviews. below is my code private class someTask extends AsyncTask<Void, Void, Void> { @Override protected Void doInBackground(Void... params) { getPages(); return null; } @Override protected void onPostExecute(Void result) {

android - delay while loading Bitmaps into ArrayList using UniversalImageLoader

瘦欲@ 提交于 2019-12-12 03:41:05
问题 I need to load Bitmaps into ArrayList, then convert it to Bitmap[] and pass into ArrayAdapter to inflate ListView. I use UniversalImageLoader library and here is my code: final ArrayList<Bitmap> imgArray = new ArrayList<>(); //before the method scope, as a class field //...some code... File cacheDir = StorageUtils.getOwnCacheDirectory( getApplicationContext(), "/sdcard/Android/data/random_folder_for_cache"); DisplayImageOptions options = new DisplayImageOptions.Builder() .cacheInMemory(true)

Save image in current view to sdcard using Android universal-image-loader

大兔子大兔子 提交于 2019-12-12 02:16:55
问题 I'm a newbie Android developer. I have loaded an image using universal-image-loader and I would like to save it on my sd card. The file is created in the desired directory with the correct filename, but it always has a size of 0. What am I doing wrong? A relevant snippet follows: PS: The image already exists on disk, it's not being downloaded from the Internet. private void saveImage(String imageUrls2, String de) { String filepath = Environment.getExternalStorageDirectory() .getAbsolutePath()

Unable to display images into Gridview using Universal Image Loader?

半腔热情 提交于 2019-12-12 00:55:26
问题 I am trying to display images from sdcard and drawable inside gridview using the following code.But it doesn't works.It crashes in Galaxy Note due to Memory Error but displaying wrong images in emulator and also takes alot of time to display them. DisplayImageOptions options = new DisplayImageOptions.Builder() .cacheInMemory().cacheOnDisc() .bitmapConfig(Bitmap.Config.RGB_565).build(); Adapter Class public class GridAdapter extends BaseAdapter { public GridAdapter(Context ctx) { // TODO Auto

stub_image showing on universal image loader in recyclerview

廉价感情. 提交于 2019-12-11 12:53:33
问题 I have implement universal image loader for showing images in recyclerview. it showing stub_image. Code contain One fragment and its adapter, its working properly before i added universal-image-loader. Here is the code: Fragment.Class public class FourthFragment extends Fragment { private DisplayImageOptions options; ImageLoader imageLoader; RecyclerView rv; RecyclerView.LayoutManager mLayoutManager; RecyclerView.Adapter mAdapter; String[] str = {"one","two","three","four"}; int[] img = {R

Display Image with Universal ImageLoader with Bitmap

拟墨画扇 提交于 2019-12-11 10:18:55
问题 I wonder how to display image if I have a Bitmap and don't want to give as a parameter URL to image using Universal ImageLoader library. Bitmap img = getDefaultBitmap(); ImageLoader.getInstance().displayImage(img); // I need something like this (for example with parameters to display image like width and height) 回答1: Firstly, you have to save bitmap and then u can pass that path to show that bitmap into imageview using imageloader. //-- Saving file String filename = "pippo.jpg"; File sd =

How to prevent reloading of images in listview with custom adapter when refresh listview

核能气质少年 提交于 2019-12-11 09:07:56
问题 I am using displayImage() method of UniversalImageLoader library in the adapter class, which sets images(from url) in the list items. i want if i reset adapter in my listview, images should not reload if the urls are same as previous urls. 回答1: There is two solution already posted in the issue section of Universal Image Loader . Solution #1: You can use custom displayer: new FadeInBitmapDisplayer(300) { @Override public Bitmap display(Bitmap bitmap, ImageView imageView, LoadedFrom loadedFrom)

Unable to set image view background image using universal image loader?

我与影子孤独终老i 提交于 2019-12-11 08:24:47
问题 I am trying to set background for the image view. But not got luck to set background using universal image loader. I am using following code. DisplayImageOptions options = new DisplayImageOptions.Builder() .showStubImage(R.drawable.mo_no_image) .showImageForEmptyUri(R.drawable.mo_no_image) .cacheInMemory().cacheOnDisc() .displayer(new RoundedBitmapDisplayer(0)) .imageScaleType(ImageScaleType.EXACTLY).build(); ImageLoader.getInstance().displayImage("url_to_load_image", imgView, options); By

why is UI/Activity destroyed after onActivityResult

孤者浪人 提交于 2019-12-11 06:48:21
问题 I'm trying to update the imageview on onActivityResult after I call up a camera intent but it seems like the view is getting destroyed and recreated after the onActivityResult. It works fine if I do it on the onCreate. I'm using a Galaxy S3 for testing. Oddly it seems to have worked for a little while when I built the same code on my desktop, but not on my laptop. After debugging it for a while the problem arose again in the desktop build as well and in the debugger the bitmap gets updated