package Ġcom . work ah olic lab . notification test Ċ Ċ import Ġandroid . app . Notification Manager Ċ import Ġandroid . content . Context Ċ import Ġandroidx . appcompat . app . AppCompatActivity Ċ import Ġandroid . os . Bundle Ċ Ċ class ĠNotification Activity Ġ: ĠAppCompatActivity () Ġ{ ĊĠĠĠ Ġoverride Ġfun ĠonCreate ( savedInstanceState : ĠBundle ?) Ġ{ ĊĠĠĠĠĠĠĠ Ġsuper . onCreate ( savedInstanceState ) ĊĠĠĠĠĠĠĠ ĠsetContentView ( R . layout . activity _ notification ) ĊĠĠĠĠĠĠĠ Ġval Ġmanager Ġ= Ġget System Service ( Context . NOTIFICATION _ SERVICE ) Ġas ĠNotification Manager ĊĠĠĠĠĠĠĠ Ġmanager . cancel ( 1 )// è¿ĻéĩĮ çļĦ 1 å°±æĺ¯ éĤ£ ä¸ª éĢļçŁ¥ è®¾ å®ļçļĦ id ĊĠĠĠ Ġ} Ċ }