| /* |
| * Copyright 2019 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 android.app.Activity; |
| import android.net.Uri; |
| import android.os.Bundle; |
| import android.webkit.WebResourceRequest; |
| import android.webkit.WebResourceResponse; |
| import android.webkit.WebView; |
| import android.webkit.WebViewClient; |
| |
| import androidx.annotation.Nullable; |
| import androidx.annotation.RequiresApi; |
| import androidx.appcompat.app.AppCompatActivity; |
| import androidx.webkit.WebViewAssetLoader; |
| |
| /** |
| * An {@link Activity} to show case a very simple use case of using |
| * {@link androidx.webkit.WebViewAssetLoader}. |
| */ |
| public class AssetLoaderSimpleActivity extends AppCompatActivity { |
| |
| private class MyWebViewClient extends WebViewClient { |
| @Override |
| public boolean shouldOverrideUrlLoading(WebView view, String url) { |
| return false; |
| } |
| |
| @Override |
| @RequiresApi(21) |
| public WebResourceResponse shouldInterceptRequest(WebView view, |
| WebResourceRequest request) { |
| return mAssetLoader.shouldInterceptRequest(request.getUrl()); |
| } |
| |
| @Override |
| public WebResourceResponse shouldInterceptRequest(WebView view, String request) { |
| return mAssetLoader.shouldInterceptRequest(Uri.parse(request)); |
| } |
| } |
| |
| private WebViewAssetLoader mAssetLoader; |
| private WebView mWebView; |
| |
| @Override |
| protected void onCreate(@Nullable Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| setContentView(R.layout.activity_asset_loader); |
| setTitle(R.string.asset_loader_simple_activity_title); |
| WebkitHelpers.appendWebViewVersionToTitle(this); |
| |
| mWebView = findViewById(R.id.webview_asset_loader_webview); |
| mWebView.setWebViewClient(new MyWebViewClient()); |
| |
| // Host application assets under http://appassets.androidplatform.net/assets/... |
| mAssetLoader = new WebViewAssetLoader.Builder() |
| .register("/assets/", new WebViewAssetLoader.AssetsPathHandler(this)) |
| .build(); |
| Uri path = new Uri.Builder() |
| .scheme("https") |
| .authority(WebViewAssetLoader.DEFAULT_DOMAIN) |
| .appendPath("assets") |
| .appendPath("www") |
| .appendPath("some_text.html") |
| .build(); |
| |
| mWebView.loadUrl(path.toString()); |
| } |
| } |
