package Ġme . t . network speed Ċ Ċ import Ġandroid . os . Bundle Ċ import Ġandroid . support . v 7 . app . AppCompatActivity Ċ Ċ class ĠMainActivity Ġ: ĠAppCompatActivity () Ġ{ ĊĊĠĠĠ Ġoverride Ġfun ĠonCreate ( savedInstanceState : ĠBundle ?) Ġ{ ĊĠĠĠĠĠĠĠ Ġsuper . onCreate ( savedInstanceState ) ĊĠĠĠĠĠĠĠ ĠsetContentView ( R . layout . activity _ main ) ĊĠĠĠĠĠĠĠ Ġval Ġfragment Manager Ġ= Ġfragment Manager ĊĠĠĠĠĠĠĠ Ġval Ġtransaction Ġ= Ġfragment Manager . beginTransaction () ĊĠĠĠĠĠĠĠ Ġtransaction . add ( R . id . id _ container , ĠSettings Fragment ()) ĊĠĠĠĠĠĠĠ Ġtransaction . commit () ĊĠĠĠ Ġ} Ċ } Ċ