Accessing Google Account Id username via Android

Question

How do you access the user s Google Account Id   username in code   I am building an application that will call a web service to store data and I want to identify the identity of the person submitting the data

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String name   android os Build USER   if   TextUtils isEmpty name         nameEdit setText name

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if  Plus PeopleApi getCurrentPerson mGoogleApiClient     null      Person currentPerson   Plus PeopleApi getCurrentPerson mGoogleApiClient     String userid currentPerson getId      BY THIS CODE YOU CAN GET CURRENT LOGIN USER ID

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I ve ran into the same issue and these two links solved for me   The first one is this one  How do I retrieve the logged in Google account on android phones   Which presents the code for retrieving the accounts associated with the phone  Basically you will need something like this   AccountManager manager    AccountManager  getSystemService ACCOUNT SERVICE   Account   list   manager getAccounts      And to add the permissions in the AndroidManifest xml   lt uses-permission android name  android permission GET ACCOUNTS  gt  lt  uses-permission gt   lt uses-permission android name  android permission AUTHENTICATE ACCOUNTS  gt  lt  uses-permission gt    Additionally  if you are using the Emulator the following link will help you to set it up with an account   Android Emulator - Trouble creating user accounts  Basically  it says that you must create an android device based on a API Level and not the SDK Version  like is usually done

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There is a sample from google  which lists the existing google accounts and generates an access token upon selection   you can send that access token to server to retrieve the related details from it to identify the user   You can also get the email id from access token   for that you need to modify the SCOPE  Please go through My Post

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This Method to get Google Username    public String getUsername         AccountManager manager   AccountManager get this       Account   accounts   manager getAccountsByType  com google        List lt String gt  possibleEmails   new LinkedList lt String gt          for  Account account   accounts               TODO  Check possibleEmail against an email regex or treat            account name as an email address only for certain account type            values          possibleEmails add account name              if   possibleEmails isEmpty    amp  amp  possibleEmails get 0     null            String email   possibleEmails get 0           String   parts   email split               if  parts length  gt  0  amp  amp  parts 0     null              return parts 0           else             return null        else         return null      simple this method call       And Get Google User in Gmail id     accounts   AccountManager get this  getAccounts        Log e      Size      accounts length       for  Account account   accounts             String possibleEmail   account name          String type   account type           if  type equals  com google                  strGmail   possibleEmail               Log e      Emails      strGmail               break                    After add permission in manifest    lt uses-permission android name  android permission INTERNET    gt   lt uses-permission android name  android permission ACCESS NETWORK STATE    gt    lt uses-permission android name  android permission GET ACCOUNTS    gt

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Retrieve profile information for a signed-in user    Use the GoogleSignInResult getSignInAccount method to request profile information for the currently signed in user    You can call the getSignInAccount method after the sign-in intent succeeds    GoogleSignInResult result    Auth GoogleSignInApi getSignInResultFromIntent data   GoogleSignInAccount acct   result getSignInAccount    String personName   acct getDisplayName    String personGivenName   acct getGivenName    String personFamilyName   acct getFamilyName    String personEmail   acct getEmail    String personId   acct getId    Uri personPhoto   acct getPhotoUrl

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Used these lines   AccountManager manager   AccountManager get this   Account   accounts   manager getAccountsByType  com google      the length of array accounts is always 0

[android] Accessing Google Account Id /username via Android

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