Refreshing resource after screen orientation changes

Refreshing resource after screen orientation changes

To avoid running onCreate() over again when the screen orientation
changes, I have put the following into my Android manifest:
android:configChanges="orientation|keyboardHidden|screenSize"
That's fine. However I still want to be able to rotate the screen, just
having the orientation change but NOT go through the
onCreate->onStart->etc life cycle again.
I overrode the method onConfigurationChanged like this:
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
}
And that works fine. However, I have a background image which needs to
change depending on if the device is in portrait mode or landscape mode. I
tried adding the following line to my code:
mBackground.setBackgroundResource(R.drawable.splash_bg);
The goal of this is to reload the splash_bg resource now that the
orientation has changed, so it will look in the drawable-land folder for
the image.
So the method now looks like this:
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
mBackground.setBackgroundResource(R.drawable.splash_bg);
}
But it doesn't work quite right. After initially launching the device in,
say, portrait mode, the portrait background image displays. Rotating it
(into landscape mode) will successfully change the background image from
the portrait background to the landscape background (the one found in
drawable-land). The reverse is also true (if you start from landscape and
switch to portrait), because I have also included the portrait mode
version of the background image in the drawable-port folder (on top of the
plain ol' drawable folder).
So on the initial rotation it works fine. But, if you switch the
orientation BACK to where you started, it will not refresh the image to
its proper orientation type. Basically it only works once.
Anyone have an idea on this? I'll provide more code if necessary but I
think I included all that's needed. Thanks!