Account credential helper that add account on Android AccountManager

AccountCredentialsHelper.java

package app.picaboo.android.security;

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

import java.util.UUID;

import app.picaboo.android.BuildConfig;

/**
 * Created by Bernat on 07/06/2014.
 */
public class CredentialsHelper {

    private static final String TYPE = BuildConfig.ACCOUNT_TYPE;
    private final AccountManager accountManager;

    public CredentialsHelper(Context context) {
        accountManager = AccountManager.get(context);
    }

    public boolean saveUser(String user, String password) {
        Account account = new Account(user, TYPE);
        return accountManager.addAccountExplicitly(account, password, null);
    }

    private void savePass(String password) {
        if (getAccount() != null) {
            accountManager.setPassword(getAccount(), getRandomPassword());
        }
    }

    public String getUser() {
        if (getAccount() != null) {
            return getAccount().name;
        }
        return "";
    }

    public String getPassword() {
        if (getAccount() == null) {
            return getRandomPassword();
        } else if (accountManager.getPassword(getAccount()) == null) {
            accountManager.setPassword(getAccount(), getRandomPassword());
        }

        return accountManager.getPassword(getAccount());
    }

    private String getRandomPassword() {
        return UUID.randomUUID().toString();
    }

    public void clear() {
        if (getAccount() != null) {
            accountManager.removeAccount(getAccount(), null, null);
        }
    }

    private Account getAccount() {
        Account[] accounts = accountManager.getAccountsByType(TYPE);
        if (accounts != null && accounts.length > 0) {
            return accounts[0];
        }
        return null;
    }
}