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I ended up figuring out a (pretty good) solution for this problem!
ReplyDeleteYou can use a TransitionDrawable to accomplish this. For example, in an xml file in the drawable folder you could write something like:
<?xml version="1.0" encoding="UTF-8"?>
<transition xmlns:android="http://schemas.android.com/apk/res/android">
<!-- The drawables used here can be solid colors, gradients, shapes, images, etc. -->
<item android:drawable="@drawable/original_state" />
<item android:drawable="@drawable/new_state" />
</transition>
Then, in your xml for the actual View you would reference this TransitionDrawable in the android:background attribute.
At this point you can initiate the transition in your code on-command by doing:
TransitionDrawable transition = (TransitionDrawable) viewObj.getBackground();
transition.startTransition(transitionTime);
Or run the transition in reverse by calling:
transition.reverseTransition(transitionTime);
I hope this helps you solve your problem!