No, this path is not correct: file:///sdcard/emulated/0/
The correct path to the root directory of the External Storage is one of these:
file:///mnt/sdcard/file:///storage/emulated/0//storage/emulated/0/
See also here:
No, this path is not correct: file:///sdcard/emulated/0/
The correct path to the root directory of the External Storage is one of these:
file:///mnt/sdcard/file:///storage/emulated/0//storage/emulated/0/See also here: