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Android Volley imageloader with % progress while downloading images


Android Volley imageloader with % progress while downloading images

By : user2956145
Date : November 22 2020, 10:54 AM
seems to work fine In your situation, you made loading an image as download a file, ImageLoader basically perform a single-session request, does not fulfill your purpose. if you still looking for a library that advantage by Volley but offered a file downloader implementation, then you have Netroid.
you can perform a download request for your image, that make you be capable of showing the progress, once download successfully, you perform loading the local file as a Bitmap to display into ImageView. this approach was indirectly but i think it work for you.
code :


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AQuery and Volley ImageLoader for caching images

AQuery and Volley ImageLoader for caching images


By : Flaubert
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further You will need to write your own ImageCache implementation if you use Volley.
If you want an integrated implementation that you have the most control over, use Volley. There's probably an implementation out there for ImageCache on GitHub already.
Android:Volley: Why volley imageLoader must be invoked from the main thread?

Android:Volley: Why volley imageLoader must be invoked from the main thread?


By : Miguel Anguita
Date : March 29 2020, 07:55 AM
should help you out It is to guarantee that the response callback happens on the main UI thread assuming that the callback would want to update the UI.
The default implementation of ImageListener provided by Volley library updates the UI and hence it has to be used from main thread.
code :
   /**
     * The default implementation of ImageListener which handles basic functionality
     * of showing a default image until the network response is received, at which point
     * it will switch to either the actual image or the error image.
     * @param imageView The imageView that the listener is associated with.
     * @param defaultImageResId Default image resource ID to use, or 0 if it doesn't exist.
     * @param errorImageResId Error image resource ID to use, or 0 if it doesn't exist.
     */
    public static ImageListener getImageListener(final ImageView view,
            final int defaultImageResId, final int errorImageResId) {
        return new ImageListener() {
            @Override
            public void onErrorResponse(VolleyError error) {
                if (errorImageResId != 0) {
                    view.setImageResource(errorImageResId);
                }
            }
            @Override
            public void onResponse(ImageContainer response, boolean isImmediate) {
                if (response.getBitmap() != null) {
                    view.setImageBitmap(response.getBitmap());
                } else if (defaultImageResId != 0) {
                    view.setImageResource(defaultImageResId);
                }
            }
        };
    }
Volley cache images with imageloader before done serializing

Volley cache images with imageloader before done serializing


By : Pifpaf
Date : March 29 2020, 07:55 AM
it fixes the issue I ultimately did this after I assigned JSON responses to my POJOs
in for loops
Show progress bar with percentage while downloading file using Volley in android

Show progress bar with percentage while downloading file using Volley in android


By : Tarun Yaduvanshi
Date : March 29 2020, 07:55 AM
I wish this help you I solved this problem by creating the notification as soon as the user clicks on download and then the async task notifies after the download is completed but i was not able to show the exact progress while downloading.
Android + Volley: how to get image bitmap using ImageLoader?

Android + Volley: how to get image bitmap using ImageLoader?


By : Beryter
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , I think your makeImageRequest method will always return null because it takes some time for the onResponse or onErrorResponse listeners to get called but you return the mBitmap immidately!
If you want to use Volley's ImageLoader you'd better get image inside your activity or ... not from another class like your HttpHelperClass.
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