1 /*
2  * Copyright 2019 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.example.androidx.webkit;
18 
19 import android.os.Bundle;
20 import android.webkit.WebView;
21 
22 import androidx.appcompat.app.AppCompatActivity;
23 import androidx.webkit.WebSettingsCompat;
24 import androidx.webkit.WebViewFeature;
25 
26 import org.jspecify.annotations.Nullable;
27 
28 /**
29  * An {@link android.app.Activity} to demonstrate functionality to selectively enable/disable Safe
30  * Browsing for a subset of the application's {@link WebView}s. This shows three WebViews, to show
31  * Safe Browsing enabled, disabled, and inheriting the default setting (see inline comment for how
32  * this works).
33  */
34 public class PerWebViewEnableActivity extends AppCompatActivity {
35 
36     @Override
onCreate(@ullable Bundle savedInstanceState)37     protected void onCreate(@Nullable Bundle savedInstanceState) {
38         super.onCreate(savedInstanceState);
39         setContentView(R.layout.activity_per_web_view_enable);
40         setTitle(R.string.per_web_view_enable_activity_title);
41         WebkitHelpers.appendWebViewVersionToTitle(this);
42 
43         WebView enabledWebView = findViewById(R.id.enabled_webview);
44         WebView disabledWebView = findViewById(R.id.disabled_webview);
45         WebView defaultWebView = findViewById(R.id.default_webview);
46 
47         if (WebViewFeature.isFeatureSupported(WebViewFeature.SAFE_BROWSING_ENABLE)) {
48             WebSettingsCompat.setSafeBrowsingEnabled(enabledWebView.getSettings(), true);
49             WebSettingsCompat.setSafeBrowsingEnabled(disabledWebView.getSettings(), false);
50             // defaultWebView will defer to the EnableSafeBrowsing metadata manifest tag. If that's
51             // not set, then Safe Browsing will be enabled by default for WebViews >= M66, per
52             // https://blog.chromium.org/2018/04/protecting-webview-with-safe-browsing.html.
53         } else {
54             WebkitHelpers.showMessageInActivity(this, R.string.webkit_api_not_available);
55         }
56 
57         enabledWebView.loadUrl(SafeBrowsingHelpers.MALWARE_URL);
58         disabledWebView.loadUrl(SafeBrowsingHelpers.MALWARE_URL);
59         defaultWebView.loadUrl(SafeBrowsingHelpers.MALWARE_URL);
60     }
61 }
62