Block wireless interface and get internet connection through gateway in android -

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i working in application , in part of need prevent android phone requesting internet connection wireless interface or 3g , requesting phone

note: android phones connected ad-hoc network , each node can send/receive packets each other , want share internet connection between them providing 1 node internet connection(gateway node), if others android phones want internet access, directly contact gateway

my problem how prevent android phone request internet access network interface , request gateway.


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