For more details, read the article showing how to animate checkboxes and radio buttons with sprite sheets.
Auto-Keyframing has also been added to Keyshape. It makes creating animations faster. Click the Auto-Keyframe button and change properties to get them animated. However, be careful with it. It is very easy to forget Auto-Keyframing enabled and accidentally add unintended keyframes. The old manual way to add keyframes is still there if Auto-Keyframing sounds dangerous.