E Login and Web Login

import android.accounts.NetworkErrorException;

import android.content.Intent;

import android.content.SharedPreferences;

import android.os.Build;

import android.os.Bundle;

import android.util.Log;

import android.view.View;

import android.webkit.WebView;

import androidx.annotation.NonNull;

import androidx.appcompat.app.AppCompatActivity;

import com.nextcloud.android.sso.ui.UiExceptionManager;

import java.net.HttpURLConnection;

import java.util.Locale;

import java.util.concurrent.ExecutorService;

import java.util.concurrent.Executors;

    private final static String login_account_manual = "login_account_manual";

    public final static String eelo_account_type = "e.foundation.webdav.eelo";

    private WebView webView;

    private boolean first_run = false;

    private boolean useWebLogin = true;

    private final static int pick_account_request_code = 1;

    private AccountManager accountManager;