| /* |
| * 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.os.Bundle; |
| import android.view.View; |
| import android.webkit.WebView; |
| import android.widget.Button; |
| import android.widget.CheckBox; |
| import android.widget.TextView; |
| |
| import androidx.annotation.Nullable; |
| import androidx.appcompat.app.AppCompatActivity; |
| import androidx.webkit.ProxyConfig; |
| import androidx.webkit.ProxyController; |
| import androidx.webkit.WebViewClientCompat; |
| import androidx.webkit.WebViewFeature; |
| |
| /** |
| * An {@link Activity} to exercise Proxy Override functionality. |
| */ |
| public class ProxyOverrideActivity extends AppCompatActivity { |
| private Proxy mProxy; |
| private Button mSetProxyOverrideButton; |
| private Button mLoadURLButton; |
| private Button mLoadBypassURLButton; |
| private WebView mWebView; |
| private CheckBox mReverseBypassCheckBox; |
| private TextView mRequestCountTextView; |
| |
| @Override |
| protected void onCreate(@Nullable Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| setContentView(R.layout.activity_proxy_override); |
| setTitle(R.string.proxy_override_activity_title); |
| WebkitHelpers.appendWebViewVersionToTitle(this); |
| |
| // Check for proxy override feature |
| if (!WebViewFeature.isFeatureSupported(WebViewFeature.PROXY_OVERRIDE)) { |
| WebkitHelpers.showMessageInActivity(this, R.string.webkit_api_not_available); |
| return; |
| } |
| |
| // Initialize views |
| mRequestCountTextView = findViewById(R.id.proxy_override_textview); |
| mRequestCountTextView.setText(getResources().getString( |
| R.string.proxy_override_requests_served, 0)); |
| mWebView = findViewById(R.id.proxy_override_webview); |
| mWebView.setWebViewClient(new WebViewClientCompat()); |
| mReverseBypassCheckBox = findViewById(R.id.proxy_override_reverse_bypass_checkbox); |
| mSetProxyOverrideButton = findViewById(R.id.proxy_override_button); |
| mSetProxyOverrideButton.setOnClickListener(v -> { |
| mReverseBypassCheckBox.setEnabled(false); |
| mSetProxyOverrideButton.setEnabled(false); |
| setProxyOverride(); |
| }); |
| mLoadURLButton = findViewById(R.id.proxy_override_load_url_button); |
| mLoadURLButton.setOnClickListener(v -> mWebView.loadUrl("http://www.google.com/")); |
| mLoadBypassURLButton = findViewById(R.id.proxy_override_load_bypass_button); |
| mLoadBypassURLButton.setOnClickListener(v -> mWebView.loadUrl("http://example.com/")); |
| |
| // Check for reverse bypass feature |
| if (WebViewFeature.isFeatureSupported(WebViewFeature.PROXY_OVERRIDE_REVERSE_BYPASS)) { |
| mReverseBypassCheckBox.setVisibility(View.VISIBLE); |
| } |
| |
| // Initialize proxy server |
| // Skip this step if you already have a proxy url |
| mProxy = new Proxy(/*port=*/0, () -> runOnUiThread(() -> mRequestCountTextView.setText( |
| getResources().getString(R.string.proxy_override_requests_served, |
| mProxy.getRequestCount())))); |
| mProxy.start(); |
| } |
| |
| private void setProxyOverride() { |
| // Construct a ProxyConfig object using your proxy URL and your bypass list |
| ProxyConfig proxyConfig = new ProxyConfig.Builder() |
| // Use your proxy URL here |
| .addProxyRule("localhost:" + mProxy.getPort()) |
| // Add as many URLs to the bypass list as you need |
| .addBypassRule("example.com") |
| .addBypassRule("www.anotherbypassurl.com") |
| // Set reverse bypass if the checkbox was checked. With reverse bypass, only |
| // the URLs in the bypass list will use the proxy settings. |
| .setReverseBypassEnabled(mReverseBypassCheckBox.isChecked()) |
| .build(); |
| |
| // Call setProxyOverride and specify a callback |
| ProxyController.getInstance() |
| .setProxyOverride(proxyConfig, Runnable::run, this::onProxyOverrideComplete); |
| } |
| |
| private void onProxyOverrideComplete() { |
| // Your code goes here, after the proxy override callback was executed |
| mLoadURLButton.setEnabled(true); |
| mLoadBypassURLButton.setEnabled(true); |
| } |
| |
| @Override |
| protected void onDestroy() { |
| mProxy.shutdown(); |
| super.onDestroy(); |
| } |
| } |