package Ġscience . cred o . mobile detector 2 . detector Ċ Ċ import Ġandroid . content . Context Ċ Ċ abstract Ġclass ĠCamera Interface Ġ{ ĊĊĠĠĠ Ġinterface ĠFrame Callback Ġ{ ĊĠĠĠĠĠĠĠ Ġfun Ġon Frame Received ( frame : ĠFrame , Ġsame Frame Timestamp : ĠLong ?) ĊĠĠĠĠĠĠĠ Ġfun Ġon Frame Received ( frame : ĠFrame ){ ĊĠĠĠĠĠĠĠĠĠĠĠ Ġon Frame Received ( frame , null ) ĊĠĠĠĠĠĠĠ Ġ} ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġabstract Ġfun Ġstart ( context : ĠContext ) ĊĊĠĠĠ Ġabstract Ġfun Ġstop () Ċ Ċ }