package Ġcom . ws ad ur ski . return tom ain screen . user activity Ċ Ċ /** Ċ Ġ* ĠCreated Ġby Ġwo jc ie ch sad ur ski Ġon Ġ 0 1 . 0 9 . 2 0 1 7 . Ċ Ġ*/ Ċ Ċ interface ĠUser Activity Watcher Ġ{ ĊĊĠĠĠ Ġfun Ġon User Inter acted () Ċ } Ċ