I'd like to change the background image of a TextView by morphing it
into the new image. What I mean by this is that I want the old image
to fade out at the same time the new image is fading in, so that it
looks like the old image is transforming itself into the new image.

I know how to cause the old image to fade out and then immediately
afterwards have the new image fade in. However, I'm looking for a way
to cause the fade-out and the fade-in to occur simultaneously.

I'm sure that this can be done by fiddling with the images outside of
Android, but what I'm looking for is a way to use nothing more than
Android's standard animation facilities to implement this morphing
behavior with any two, standard, PNG background images.

Is this possible? I haven't been able to find any docs that describe
how to do this, and so I'm not optimistic that this can be
accomplished solely via Android animation. But hope springs eternal,
and so if anyone knows of a way to implement this in Android, I'd very
much appreciate a pointer to some instructions or examples.

Thanks in advance.

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