the switch between wifi and 3g app

[AC Question]

I am building my android app about auto switching between 3g and wifi but i dont know the technical or how it works ? any one have any idea or artical about this ? thanks

 

[nahoku]

Not sure what your app will do, or how, but Samsung phones (and maybe others) already have a thing called "Smart Network Switch" where the phone will switch between Data and Wifi to maintain a stable connection. Maybe your app will be different?