gt:             if (account == null) {
context: /*
   * Nextcloud Android client application
   *
   * @author Bartosz Przybylski
   * @author Chris Narkiewicz
   * Copyright (C) 2015 Bartosz Przybylski
   * Copyright (C) 2015 ownCloud Inc.
   * Copyright (C) 2016 Nextcloud.
   * Copyright (C) 2019 Chris Narkiewicz <hello@ezaquarii.com>
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
   * License as published by the Free Software Foundation; either
   * version 3 of the License, or any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
   *
   * You should have received a copy of the GNU Affero General Public
   * License along with this program.  If not, see <http://www.gnu.org/licenses/>.
   */
  
  package com.nextcloud.client.onboarding;
  
  import android.accounts.Account;
  import android.accounts.AccountManager;
  import android.content.Intent;
  import android.content.res.Configuration;
  import android.net.Uri;
  import android.os.Bundle;
  import android.view.View;
  import android.view.ViewGroup;
  import android.widget.Button;
  import android.widget.LinearLayout;
  import android.widget.TextView;
  
  import com.nextcloud.client.account.UserAccountManager;
  import com.nextcloud.client.appinfo.AppInfo;
  import com.nextcloud.client.di.Injectable;
  import com.nextcloud.client.preferences.AppPreferences;
  import com.owncloud.android.BuildConfig;
  import com.owncloud.android.R;
  import com.owncloud.android.authentication.AuthenticatorActivity;
  import com.owncloud.android.features.FeatureItem;
  import com.owncloud.android.ui.activity.BaseActivity;
  import com.owncloud.android.ui.activity.FileDisplayActivity;
  import com.owncloud.android.ui.adapter.FeaturesViewAdapter;
  import com.owncloud.android.ui.whatsnew.ProgressIndicator;
  import com.owncloud.android.utils.DisplayUtils;
  
  import javax.inject.Inject;
  
  import androidx.viewpager.widget.ViewPager;
  
  /**
   * Activity displaying general feature after a fresh install.
   */
  public class FirstRunActivity extends BaseActivity implements ViewPager.OnPageChangeListener, Injectable {
  
      public static final String EXTRA_ALLOW_CLOSE = "ALLOW_CLOSE";
      public static final String EXTRA_EXIT = "EXIT";
      public static final int FIRST_RUN_RESULT_CODE = 199;
  
      private ProgressIndicator progressIndicator;
  
      @Inject UserAccountManager userAccountManager;
      @Inject AppPreferences preferences;
      @Inject AppInfo appInfo;
      @Inject OnboardingService onboarding;
  
      @Override
      protected void onCreate(Bundle savedInstanceState) {
          enableAccountHandling = false;
  
          super.onCreate(savedInstanceState);
          setContentView(R.layout.first_run_activity);
  
          boolean isProviderOrOwnInstallationVisible = getResources().getBoolean(R.bool.show_provider_or_own_installation);
  
          setSlideshowSize(getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE);
  
          Button loginButton = findViewById(R.id.login);
          loginButton.setBackgroundColor(getResources().getColor(R.color.login_btn_tint));
          loginButton.setTextColor(getResources().getColor(R.color.primary));
  
          loginButton.setOnClickListener(v -> {
              if (getIntent().getBooleanExtra(EXTRA_ALLOW_CLOSE, false)) {
                  Intent authenticatorActivityIntent = new Intent(this, AuthenticatorActivity.class);
                  authenticatorActivityIntent.putExtra(AuthenticatorActivity.EXTRA_USE_PROVIDER_AS_WEBLOGIN, false);
                  startActivityForResult(authenticatorActivityIntent, FIRST_RUN_RESULT_CODE);
              } else {
                  finish();
              }
          });
  
          Button providerButton = findViewById(R.id.signup);
          providerButton.setBackgroundColor(getResources().getColor(R.color.primary));
          providerButton.setTextColor(getResources().getColor(R.color.login_text_color));
          providerButton.setVisibility(isProviderOrOwnInstallationVisible ? View.VISIBLE : View.GONE);
          providerButton.setOnClickListener(v -> {
              Intent authenticatorActivityIntent = new Intent(this, AuthenticatorActivity.class);
              authenticatorActivityIntent.putExtra(AuthenticatorActivity.EXTRA_USE_PROVIDER_AS_WEBLOGIN, true);
  
              if (getIntent().getBooleanExtra(EXTRA_ALLOW_CLOSE, false)) {
                  startActivityForResult(authenticatorActivityIntent, FIRST_RUN_RESULT_CODE);
              } else {
                  authenticatorActivityIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                  startActivity(authenticatorActivityIntent);
              }
          });
  
          TextView hostOwnServerTextView = findViewById(R.id.host_own_server);
          hostOwnServerTextView.setTextColor(getResources().getColor(R.color.login_text_color));
          hostOwnServerTextView.setVisibility(isProviderOrOwnInstallationVisible ? View.VISIBLE : View.GONE);
  
          progressIndicator = findViewById(R.id.progressIndicator);
          ViewPager viewPager = findViewById(R.id.contentPanel);
  
          // Sometimes, accounts are not deleted when you uninstall the application so we'll do it now
          if (onboarding.isFirstRun()) {
              userAccountManager.removeAllAccounts();
          }
  
          FeaturesViewAdapter featuresViewAdapter = new FeaturesViewAdapter(getSupportFragmentManager(), getFirstRun());
          progressIndicator.setNumberOfSteps(featuresViewAdapter.getCount());
          viewPager.setAdapter(featuresViewAdapter);
  
          viewPager.addOnPageChangeListener(this);
      }
  
      private void setSlideshowSize(boolean isLandscape) {
          boolean isProviderOrOwnInstallationVisible = getResources().getBoolean(R.bool.show_provider_or_own_installation);
          LinearLayout buttonLayout = findViewById(R.id.buttonLayout);
          LinearLayout.LayoutParams layoutParams;
  
          buttonLayout.setOrientation(isLandscape ? LinearLayout.HORIZONTAL : LinearLayout.VERTICAL);
  
          LinearLayout bottomLayout = findViewById(R.id.bottomLayout);
          if (isProviderOrOwnInstallationVisible) {
              layoutParams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
                      ViewGroup.LayoutParams.WRAP_CONTENT);
          } else {
              layoutParams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
                      DisplayUtils.convertDpToPixel(isLandscape ? 100f : 150f, this));
          }
  
          bottomLayout.setLayoutParams(layoutParams);
      }
  
      @Override
      public void onConfigurationChanged(Configuration newConfig) {
          super.onConfigurationChanged(newConfig);
          if (newConfig.orientation == Configuration.ORIENTATION_LANDSCAPE) {
              setSlideshowSize(true);
          } else {
              setSlideshowSize(false);
          }
      }
  
      @Override
      public void onBackPressed() {
          onFinish();
  
          if (getIntent().getBooleanExtra(EXTRA_ALLOW_CLOSE, false)) {
              super.onBackPressed();
          } else {
              Intent intent = new Intent(getApplicationContext(), AuthenticatorActivity.class);
              intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
              intent.putExtra(EXTRA_EXIT, true);
              startActivity(intent);
              finish();
          }
      }
  
      private void onFinish() {
          preferences.setLastSeenVersionCode(BuildConfig.VERSION_CODE);
      }
  
      @Override
      protected void onStop() {
          onFinish();
  
          super.onStop();
      }
  
      @Override
      public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
          // unused but to be implemented due to abstract parent
      }
  
      @Override
      public void onPageSelected(int position) {
          progressIndicator.animateToStep(position + 1);
      }
  
      @Override
      public void onPageScrollStateChanged(int state) {
          // unused but to be implemented due to abstract parent
      }
  
      public void onHostYourOwnServerClick(View view) {
          Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.url_server_install)));
          DisplayUtils.startIntentIfAppAvailable(intent, this, R.string.no_browser_available);
      }
  
      @Override
      protected void onActivityResult(int requestCode, int resultCode, Intent data) {
          super.onActivityResult(requestCode, resultCode, data);
          if (FIRST_RUN_RESULT_CODE == requestCode && RESULT_OK == resultCode) {
  
              String accountName = data.getStringExtra(AccountManager.KEY_ACCOUNT_NAME);
              Account account = userAccountManager.getAccountByName(accountName);
  
  
  