Android ListView不会在滚动上重新绘制

Question

This is best described with pictures. Before scrolling in my ListView , everything looks fine:

After scrolling:

What could be causing this odd behavior? I am testing it on a Google Nexus running Android 4.2.2 and have tried it on the emulator running Android 3.2 with the same result. In this example I am using a ListView with two types of rows, but I get the same result with a standard ListView with just one row type.

Answer 1

It turns out the problem was that I did not set a background color in my layout XML file... If someone could explain to me why this fixes the problem, I would greatly appreciate it. Adding android:background="#000000" to my main layout fixed it, though.

....