package Ġp ud ans . cat ur day Ċ Ċ import Ġandroid . content . Intent Ċ import Ġandroid . widget . Toast Ċ import Ġandroidx . activity . result . contract . Activity Result Contracts Ċ import Ġandroidx . appcompat . app . AppCompatActivity Ċ import Ġandroidx . compose . foundation . Experimental Foundation Api Ċ import Ġcom . google . ac comp an ist . pager . Experimental Pager Api Ċ import Ġcom . google . android . gms . auth . api . signin . Google SignIn Ċ import Ġcom . google . android . gms . auth . api . signin . Google SignIn Options Ċ import Ġcom . google . android . gms . common . api . ApiException Ċ import Ġcom . google . firebase . auth . Google Auth Provider Ċ import Ġcom . google . firebase . auth . k tx . auth Ċ import Ġcom . google . firebase . k tx . Firebase Ċ Ċ @ Experimental Foundation Api Ċ @ Experimental Pager Api Ċ class ĠLogin Activity Ġ: ĠAppCompatActivity () Ġ{ ĊĊ ĉ private Ġval Ġm Firebase Auth Ġ= ĠFirebase . auth ĊĊ ĉ private Ġval Ġm Activity Result Listener Ġ= Ġregister For Activity Result ( Activity Result Contracts . Start Activity For Result ()) Ġ{ Ġresult Ġ-> Ċĉ ĉ try Ġ{ Ċĉĉ ĉ Google SignIn Ċĉĉĉ ĉ . get Signed In Account From Intent ( result . data ) Ċĉĉĉ ĉ . getResult ( ApiException :: class . java ) Ċĉĉĉ ĉ . id Token ?. let Ġ{ Ġfirebase Auth With Google ( it ) Ġ} Ċĉ ĉ } Ġcatch Ġ( e : ĠThrowable ) Ġ{ Ċĉĉ ĉ on Fail Login () Ċĉ ĉ } Ċ ĉ } ĊĊ ĉ override Ġfun ĠonStart () Ġ{ Ċĉ ĉ super . onStart () Ċĉ ĉ print Text (" Signing Ġin ") Ċĉ ĉ signIn () Ċ ĉ } ĊĊ ĉ private Ġfun Ġsign In () Ġ{ Ċĉ ĉ val Ġoptions Ġ= ĠGoogle SignIn Options . Builder ( Google SignIn Options . DEFAULT _ SIGN _ IN ) Ċĉĉ ĉ . requestId Token (" 6 6 4 9 0 9 7 2 6 1 4 5 - f qt 5 h 5 2 d 3 tn 2 oo 5 ut p ue 0 oh 8 set 3 ui ed . apps . googleusercontent . com ") Ċĉĉ ĉ . request Email () Ċĉĉ ĉ . build () Ċĉ ĉ val Ġclient Ġ= ĠGoogle SignIn . getClient ( this @ Login Activity , Ġoptions ). signIn Intent Ċĉ ĉ m Activity Result Listener . launch ( client ) Ċ ĉ } ĊĊ ĉ private Ġfun Ġfirebase Auth With Google ( id Token : ĠString ) Ġ{ Ċĉ ĉ val Ġcredential Ġ= ĠGoogle Auth Provider . getC redential ( id Token , Ġnull ) Ċĉ ĉ m Firebase Auth Ċĉĉ ĉ . signIn With Credential ( credential ) Ċĉĉ ĉ . add On Complete Listener ( this @ Login Activity ) Ġ{ Ġtask Ġ-> Ċĉĉĉ ĉ when Ġ( task . is Successful ) Ġ{ Ċĉĉĉĉ ĉ true Ġ-> ĠonSuccess Login () Ċĉĉĉĉ ĉ false Ġ-> Ġon Fail Login () Ċĉĉĉ ĉ } Ċĉĉ ĉ } Ċ ĉ } ĊĊ ĉ private Ġfun ĠonSuccess Login () Ġ{ Ċĉ ĉ print Text (" Signed Ġas Ġ${ m Firebase Auth . currentUser ?. displayName }") Ċĉ ĉ startActivity ( Intent ( base Context , ĠMainActivity :: class . java )) Ċĉ ĉ finish () Ċ ĉ } ĊĊ ĉ private Ġfun Ġon Fail Login () Ġ{ Ċĉ ĉ print Text (" Error Ġwhile Ġlogin ") Ċĉ ĉ finish () Ċ ĉ } ĊĊ ĉ private Ġfun Ġprint Text ( text : ĠString ) Ġ{ Ċĉ ĉ Toast . makeText ( this . base Context , Ġtext , ĠToast . LENGTH _ SHORT ). show () Ċ ĉ } Ċ }