Android drag and return to previous activity like Facebook and Google Photos
I have been finding a way to implement animation like Facebook and Google Photos. When in 2nd Activity, when dragging images the images follow and the 2nd Activity started to fade out and we see 1st Activity. Images of what I was trying to ask is here. 
I have found some some code from Nick Butcher sample code.
https://github.com/nickbutcher/plaid/blob/master/app/src/main/java/io/plaidapp/ui/widget/ElasticDragDismissFrameLayout.java
and when using it
chromeFader = new ElasticDragDismissFrameLayout.SystemChromeFader(getWindow()) {
@Override
public void onDragDismissed() {
finishAfterTransition();
}
};
Was you able to find a full fledged solution for this ?
https://github.com/nickbutcher/plaid , It might give clues to entry transition and how that was accomplished . So it might help you there. But how about when you want to drag and dismiss that activity?
https://github.com/Commit451/ElasticDragDismissLayout , Its an interesting library. Does do drags . But doesn't remember the position where the thumbnail where it was launched from. Only handles 1 swipe direction and dismisses by sliding to the right. So its not that close to what they do in 2017 Jun Google Photos Android application. You might have to modify it.
If anyone knows a better solution to this please do share.
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