Question

I want to implement a generic, thread save class which takes the RessourceId of an ImageView and the Url (http) where the desired image file is stored. It’ll download the image and fills the src of the ImageView in the UiThread.

I thought AsyncTask would be the best thing for me. However I noticed that I only can pass one type of parameters to the doInBackground() Method. Like an Array of Urls. Is that true? What would u suggest me?

Answer 1

You can add setter methods to your AsyncTask implementation, or even define your own constructor to pass additional parameters.

Optionally, if your AsyncTask implementation is an inner class of an activity you can access all the instance variables of your activity. I prefer the above option myself, as it clearly indicates which data the task requires.