| /* |
| * Copyright 2023 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.androidx.webkit; |
| |
| import static androidx.webkit.WebViewAssetLoader.AssetsPathHandler; |
| |
| import android.annotation.SuppressLint; |
| import android.net.Uri; |
| import android.os.Bundle; |
| import android.webkit.WebResourceRequest; |
| import android.webkit.WebResourceResponse; |
| import android.webkit.WebSettings; |
| import android.webkit.WebView; |
| import android.webkit.WebViewClient; |
| import android.widget.RadioGroup; |
| |
| import androidx.annotation.NonNull; |
| import androidx.annotation.Nullable; |
| import androidx.annotation.RequiresApi; |
| import androidx.appcompat.app.AppCompatActivity; |
| import androidx.webkit.UserAgentMetadata; |
| import androidx.webkit.WebSettingsCompat; |
| import androidx.webkit.WebViewAssetLoader; |
| import androidx.webkit.WebViewFeature; |
| |
| import java.util.Collections; |
| |
| /** |
| * Demo activity to demonstrate the behaviour of overriding user-agent metadata APIs. |
| */ |
| public class UserAgentMetadataActivity extends AppCompatActivity { |
| |
| private final Uri mExampleUri = new Uri.Builder() |
| .scheme("https") |
| .authority("example.com") |
| .appendPath("androidx_webkit") |
| .appendPath("example") |
| .appendPath("assets") |
| .build(); |
| |
| /** |
| * A WebViewClient to intercept the request to mock HTTPS response. |
| */ |
| private static class MyWebViewClient extends WebViewClient { |
| private final WebViewAssetLoader mAssetLoader; |
| |
| MyWebViewClient(WebViewAssetLoader loader) { |
| mAssetLoader = loader; |
| } |
| |
| @Override |
| @RequiresApi(21) |
| public WebResourceResponse shouldInterceptRequest(WebView view, |
| WebResourceRequest request) { |
| return mAssetLoader.shouldInterceptRequest(Api21Impl.getUrl(request)); |
| } |
| |
| @Override |
| @SuppressWarnings("deprecation") // use the old one for compatibility with all API levels. |
| public WebResourceResponse shouldInterceptRequest(WebView view, String url) { |
| return mAssetLoader.shouldInterceptRequest(Uri.parse(url)); |
| } |
| } |
| |
| private WebView mWebView; |
| |
| |
| @SuppressLint("SetJavascriptEnabled") |
| @Override |
| protected void onCreate(@Nullable Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| setContentView(R.layout.activity_user_agent_metadata); |
| |
| setTitle(R.string.user_agent_metadata_activity_title); |
| WebkitHelpers.appendWebViewVersionToTitle(this); |
| |
| // Check if override user-agent metadata feature is enabled |
| if (!WebViewFeature.isFeatureSupported(WebViewFeature.USER_AGENT_METADATA)) { |
| WebkitHelpers.showMessageInActivity(this, R.string.webkit_api_not_available); |
| return; |
| } |
| |
| mWebView = findViewById(R.id.user_agent_metadata_webview); |
| mWebView.getSettings().setCacheMode(WebSettings.LOAD_NO_CACHE); |
| mWebView.getSettings().setJavaScriptEnabled(true); |
| |
| RadioGroup radioGroup = findViewById(R.id.user_agent_metadata_radio_group); |
| radioGroup.check(R.id.user_agent_metadata_without_override_mode); |
| radioGroup.setOnCheckedChangeListener(this::onRadioGroupChanged); |
| |
| // Initially send a request without overrides |
| refreshView(false); |
| } |
| |
| private void refreshView(boolean setOverrides) { |
| UserAgentMetadata overrideSetting; |
| if (setOverrides) { |
| UserAgentMetadata.BrandVersion brandVersion = new UserAgentMetadata.BrandVersion |
| .Builder().setBrand("myBrand").setMajorVersion("1").setFullVersion("1.1.1.1") |
| .build(); |
| overrideSetting = new UserAgentMetadata.Builder() |
| .setBrandVersionList(Collections.singletonList(brandVersion)) |
| .setFullVersion("1.1.1.1").setPlatform("myPlatform") |
| .setPlatformVersion("2.2.2.2").setArchitecture("myArch") |
| .setMobile(true).setModel("myModel").setBitness(32) |
| .setWow64(false).build(); |
| |
| } else { |
| overrideSetting = new UserAgentMetadata.Builder().build(); |
| } |
| WebSettingsCompat.setUserAgentMetadata(mWebView.getSettings(), overrideSetting); |
| |
| // Use WebViewAssetLoader to load html page from app's assets. |
| WebViewAssetLoader assetLoader = |
| new WebViewAssetLoader.Builder() |
| .setDomain("example.com") |
| .addPathHandler(mExampleUri.getPath() + "/", new AssetsPathHandler(this)) |
| .build(); |
| mWebView.setWebViewClient(new MyWebViewClient(assetLoader)); |
| mWebView.loadUrl(Uri.withAppendedPath(mExampleUri, |
| "www/user_agent_metadata_main.html").toString()); |
| } |
| |
| /** |
| * Handler for selecting w/o user-agent metadata mode through the radio group. |
| * @param unused Triggering radio group |
| * @param checkedId ID of checked radio button |
| */ |
| public void onRadioGroupChanged(@NonNull RadioGroup unused, int checkedId) { |
| refreshView(checkedId == R.id.user_agent_metadata_with_override_mode); |
| } |
| } |
