content: /*
   * Copyright 2017 Google Inc. All rights reserved.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.example.networksecurity;
  
  import android.os.Bundle;
  
  import androidx.appcompat.app.AppCompatActivity;
  import androidx.appcompat.widget.Toolbar;
  
  import com.example.networksecurity.data.DataSource;
  
  public class MainActivity extends AppCompatActivity {
  
      @Override
      protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          setContentView(R.layout.activity_main);
  
          Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
          setSupportActionBar(toolbar);
  
          MainFragment mainFragment =
                  (MainFragment) getSupportFragmentManager().findFragmentById(R.id.contentFrame);
          if (mainFragment == null) {
              mainFragment = MainFragment.newInstance();
              getSupportFragmentManager()
                      .beginTransaction()
                      .add(R.id.contentFrame, mainFragment)
                      .commit();
          }
  
          DataSource data = Injection.provideDataSource(this);
          MainContract.Presenter presenter = new MainPresenter(data, mainFragment);
          mainFragment.setPresenter(presenter);
      }
  
  }
  