After pressing back button without selecting images it shows blank screen.

Not able to replicate. Please post what filepicker configuration you used and on which device this is happening.
without not selecting any images , back button is not working. App crashes and saying arraylist is not initialized ....
java.lang.NullPointerException: Attempt to invoke virtual method 'java.util.ArrayList android.content.Intent.getStringArrayListExtra(java.lang.String)' on a null object reference
please fix this issue... or give any solution...
Thanks and you are awesome.
Not able to replicate. Please post what filepicker configuration you used and on which device this is happening.
I'm facing the same issue.
implementation 'com.droidninja:filepicker:2.0.8'
Device: Pixel 2 running on Android P