Android系统。 Facebook SDK好友列表

Question

Using FQL I obtain a list of ids , names and links to profile pictures for all my friends. I place this information inside a ListView . I use AsyncTask to get the images and then I insert them inside an ImageView in each entry of the ListView alongside the name.

My question is: what should I do with the drawables I place inside the ImageViews ? Keeping them in memory will for certain throw an OutOfMemory exception, as the list can get pretty long. Should I store them in a local cache? If so, what is the best way of doing it? Should I use SharedPreferences being that they are quicker? Or should I use SQLite ? Or ...

What is the proper way of doing this?

PS I don't actually need code, just an explanation on the flow of it all.

Answer 1

You may want to look at UNIVERSAL IMAGE LOADER .

The main features of the Universal ImageLoader for Android are:

• asynchronous loading and displaying images from the Internet or the SD-card;
• ability of caching loaded images in memory and / or the device's file system;
• ability to monitor the loading process by means of "listeners"
• effective working with the memory while caching images in the memory;
• wide opportunities to customize the tool to fit it to your needs.