Video thumbnail arrayadopter is slow on scroll

Question

I have created an adopter to display images thumbnail of video form the specific folder but when I scroll it lags a little but why is that?

Below is the code:

Answer 1

Since you are creating Thumnail for video inside getView() it slow down your scrolling.

So you have to save your bitmap in Arrarys and list it i scroll.. Try this Sample for this will really helps you for fast scrolling. This Sample includes images , you have to change for Video in Media Content Providers. Fast Scroll Sample