Looking for logging into the How Toi Chek User In My App site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the How Toi Chek User In My App site. After that you can login as usual with your login credentials.
https://stackoverflow.com/questions/2779017/how-to-check-whether-user-is-login-in-web-application
https://medium.com/@prakharsrivastava_219/keep-the-user-logged-in-android-app-5fb6ce29ed65
https://android.jlelse.eu/login-and-main-activity-flow-a52b930f8351
https://forum.ionicframework.com/t/best-way-to-check-if-a-user-is-logged-while-the-app-is-loading/105419
https://developers.facebook.com/docs/facebook-login/reauthentication/
https://developers.facebook.com/docs/facebook-login/
https://support.google.com/a/answer/4580120?hl=en
https://firebase.google.com/docs/auth/admin/manage-sessions
https://www.back4app.com/docs/javascript/parse-login-javascript
https://developers.google.com/identity/sign-in/android/sign-in
https://developers.google.com/gmail/api/auth/about-auth
https://www.youtube.com/watch?v=uOeTa7qQ8PA
https://help.salesforce.com/apex/HTViewHelpDoc?id=admin_loginrestrict.htm