Android Question Know where is there a memory card or flash drive inserted

[vecino]

Hello:
I have a device with 2 sdcard and 2 usb.
I need to know where is there a memory card or flash drive inserted?
Example:

sdcard0: true
sdcard1: false
usb1: true
usb2: false

How can I do it?

 

[DonManfred]

On Android 5 you can use this library

https://www.b4x.com/android/forum/threads/storage-v1-0.49253/#content

 

[vecino]

Oh!, is android 4.2.2