public void onClickCancel(@NonNull View view) {
        if (mListener != null) {
            mListener.onCancelled();
        }
    }
Called when the cancel-button is pressed.

@param view which was clicked. Not used in default implementation.
android/modules/module_filepicker/src/main/java/com/nononsenseapps/filepicker/AbstractFilePickerFragment.java