package Ġcom . kin . eco system . main . view Ċ Ċ import Ġcom . kin . eco system . base . I Base View Ċ import Ġcom . kin . eco system . main . IN avig ator Ċ Ċ interface ĠIE co system View Ġ: ĠI Base View , ĠIN avig ator Ġ{ ĊĊĠĠĠ Ġoverride Ġfun Ġnavigate Back () Ċ } Ċ