Android SDK - Image Download Module

The Image Download module of the SDK exposes the functionality related to retrieving images associated with various wallet artifacts, such as supported payment tenders, for display in the app.

Item Description
UI Services
Core Services

Set UI Package Image Download Listeners

Set an implementation of the applicable listener interfaces in the UI Service class to receive the callback methods returned by the Paydiant service in response to the methods invoked by the Image Download module of the SDK.

Item Description
Set Preference Listener void setImageDownloadListener(IImageDownloadListener listener);
or an overridden instance of| |Remove Listener|void removeListener();

Call from within the corresponding service class to remove the associated listener and set it to null.|

Download Images

Call this method to retrieve the set of images for the specified URLs relevant for the wallet.

Item Description
UI Method void loadImageList(List < URL > imageURLList);
Parameters imageURLList - The list of image URLs to be retrieved.
Success void onImageDownloadSuccess(Map < String, Bitmap > downloadImageMap);
Parameters downloadImageMap - The successful call returns a map of bitmap images for each of the URLs specified in the request.
Failure void onImageDownloadError(PaydiantException exception);

The failure callback returns an instance of PaydiantException for the module including relevant error codes.
Core Method List< DownloadImageInfo > downloadImageList(List < DownloadImageInfo > downloadImageList);

Returns aw output for the retrieval results or relevant exception.


When retrieving the wallet images, the following error is applicable:

Error Description
500 An unknown error occurred internally in the server.

Max Pool Size

Call this method to limit the pool size available to the application during download in order to avoid performance impact.

Item Description
UI Method void setMaxPoolSize(final int MAX_POOL_SIZE);
Core Method There is no Core implementation for this method

Other Resources