Hi all,

I've searched the Internet and also this group for new/updated information 
about this feature but I cannot find anything new. I'm not sure this is the 
right group but I'm writing in the hope to shed some light on this topic.

My use case is quite simple: I've a device which provides data via a WiFi 
connection. Such a device is NOT connected to the Internet so that when I 
gather information from it I cannot e.g. connect to a web service. 
Activating tethering solves the issue: the device connects to the Android 
device which maintains the connection to the Internet. 

Using tethering is not a task for all users and I would like to investigate 
if it would be possible to combine WiFi connections and mobile data 
connection. According to what I've read the ConnectivityManager could be 
used to specify network preferences via the method setNetworkPreference. 
The method is currently deprecated. The documentation says:
*This method was deprecated in API level 21.*
Functionality has been removed as it no longer makes sense, with many more 
than two networks - we'd need an array to express preference. Instead we 
use dynamic network properties of the networks to describe their precedence.
What's the meaning of this sentences? I cannot find any information about 
that.

Summarising:

1) As of android 6, how can we use dynamic properties for network 
preferences?
1) In general, is there any way to force data sending on mobile data 
connection while WiFi connection is active? Or is it impossible due to 
platform constraints?

Thanks in advance for your help,
Br,
F.

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