Android How to - Get Device Accounts Email Addresses

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Question

We would like to know how to get Device Accounts Email Addresses.

Answer

//from www  .  j a v a2s.c o  m
import java.util.ArrayList;
import java.util.List;

import android.accounts.Account;
import android.accounts.AccountManager;
import android.content.Context;
import android.util.Patterns;

public class Main {
    public static List<String> getDeviceAccountsEmailAddresses(final Context context) {
        final ArrayList<String> retval = new ArrayList<String>();
        for (final Account account : getAccounts(context)) {
            final String name = account.name;
            if (Patterns.EMAIL_ADDRESS.matcher(name).matches()) {
                retval.add(name);
                retval.add(name.split("@")[0]);
            }
        }
        return retval;
    }

    private static Account[] getAccounts(final Context context) {
        return AccountManager.get(context).getAccounts();
    }
}

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