package Ġcom . y oh ann es . dev . app . tik mock Ċ Ċ import Ġcom . google . android . ex op layer 2 . Player Ċ Ċ interface ĠPlayer State Callback Ġ{ ĊĠĠĠ Ġfun Ġon Video Duration Ret rived ( duration : ĠLong , Ġplayer : ĠPlayer ) ĊĠĠĠ Ġfun Ġon Video Buffer ing ( player : ĠPlayer ) ĊĠĠĠ Ġfun Ġon Started Playing ( player : ĠPlayer ) ĊĠĠĠ Ġfun Ġon Finished Playing ( player : ĠPlayer ) Ċ }