content: /*
   * Copyright 2015, The Android Open Source Project
   *
   * 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.android.testing.espresso.web.BasicSample;
  
  import android.app.Activity;
  import android.content.Intent;
  import android.os.Bundle;
  import androidx.annotation.NonNull;
  import androidx.annotation.VisibleForTesting;
  import android.text.TextUtils;
  import android.webkit.WebView;
  import android.webkit.WebViewClient;
  
  import static com.google.common.base.Preconditions.checkNotNull;
  
  /**
   * An {@link Activity} that gets a text string from the user and displays it back when the user
   * clicks on one of the two buttons. The first one shows it in the same activity and the second
   * one opens another activity and displays the message.
   */
  public class WebViewActivity extends Activity {
  
      public static final String KEY_URL_TO_LOAD = "KEY_URL_TO_LOAD";
  
      @VisibleForTesting
      protected static final String WEB_FORM_URL = "file:///android_asset/web_form.html";
  
      private WebView mWebView;
  
      @Override
      protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          setContentView(R.layout.activity_web_view);
          mWebView = (WebView) findViewById(R.id.web_view);
          mWebView.getSettings().setJavaScriptEnabled(true);
          mWebView.loadUrl(urlFromIntent(getIntent()));
          mWebView.requestFocus();
          mWebView.setWebViewClient(new WebViewClient() {
              @Override
              public boolean shouldOverrideUrlLoading(WebView view, String url) {
                  return false;
              }
          });
      }
  
      private static String urlFromIntent(@NonNull Intent intent) {
          checkNotNull(intent, "Intent cannot be null!");
          String url = intent.getStringExtra(KEY_URL_TO_LOAD);
          return !TextUtils.isEmpty(url) ? url : WEB_FORM_URL;
      }
  
  }
  