Android social network app data storage -

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i'm developing app in android(social network). need save following user data on client side after login: 1-firstname,lastname,education,sex,languages , other 20 strings. 2-i need 2 arraylists of 15 size, , every node contains 3 strings(title,descrition etc) 3-encoded image string. 4-some boolean settings.

i'm using php backend server , json data transfer language. please guide me how store data????


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