package Ġcom . k ha led . ny time sm ost popular articles . model . shared _ pref Ċ Ċ interface ĠArticle Shared Preference Contract Ġ{ ĊĠĠĠ Ġfun Ġupdate Last Cached Article Date ( milli Seconds : ĠLong ) ĊĠĠĠ Ġfun ĠgetLast Cached Article Date (): ĠLong Ċ }