Is keeping data ON eats data memory in android? -

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in android mobiles or general laptops,keeping data on eats internet data memory little bit?for example ,if kept internet data on in android 1 day mean,does eats 1mb of data without using internet whole day? if not,how can mobile phone detects gets 3g internet or 4g internet or 2g internet?

you asked 2 questions:

do keeping network data connmgr.getnetworkinfo(connectivitymanager.type_mobile); on consumes bandwitch , charged it?

yes. system use connection action requires network. programs try check wi-fi only... if connection made available, can used (and cost money, in internet permission granted app)

how can mobile phone detects gets 3g internet or 4g internet or 2g internet?

android has system allow programmers check kind of connection available @ moment, , ask user enable moment, or request switch on.


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