java - Push notification in local web without internet -

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i'm aware of gcm services push notifications, have issue.

i have android app send data local web server (php) response android device data sent, normal push notification gcm, think.

but need work without internet, because local web app work that.

is possible? android device x send json data web server send data other android device y.

how can verify exists new data in device y ?

thanks. know little wierd.

yes, possible. not easy develop. why: push notifications work attached account service. have implement authenticator service , whole push platform yourself.

i not use gcm doing though. if working on local network, can use "polling" (request server every , updates)


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