package Ġcom . x pl ora . player . service Ċ Ċ import Ġcom . x pl ora . player . model . AS ong Ċ Ċ interface ĠOn Player Service Callback Ġ{ ĊĊĠĠĠ Ġfun Ġupdate Song Data ( song : ĠAS ong ) ĊĊĠĠĠ Ġfun Ġupdate Song Progress ( duration : ĠLong , Ġposition : ĠLong ) ĊĊĠĠĠ Ġfun Ġset Buffer ing Data ( is Buffer ing : ĠBoolean ) ĊĊĠĠĠ Ġfun Ġset Visibility Data ( is Visibility : ĠBoolean ) ĊĊĠĠĠ Ġfun Ġset Play Status ( is Play : ĠBoolean ) ĊĊĠĠĠ Ġfun Ġstop Service () Ċ }