feat(android): provide WebViewClient accessor (#2477)

Author: jcesarmobile

android/capacitor/src/main/java/com/getcapacitor/Bridge.java

@@ -13,11 +13,8 @@
 import android.os.HandlerThread;
 import android.util.Log;
 import android.webkit.ValueCallback;
-import android.webkit.WebResourceRequest;
-import android.webkit.WebResourceResponse;
 import android.webkit.WebSettings;
 import android.webkit.WebView;
-import android.webkit.WebViewClient;
 import android.content.SharedPreferences;
 
 import com.getcapacitor.android.BuildConfig;
@@ -108,6 +105,7 @@ public class Bridge {
   private final WebView webView;
   public final CordovaInterfaceImpl cordovaInterface;
   private CordovaPreferences preferences;
+  private BridgeWebViewClient webViewClient;
 
   // Our MessageHandler for sending and receiving data to the WebView
   private final MessageHandler msgHandler;
@@ -143,6 +141,7 @@ public class Bridge {
   public Bridge(Activity context, WebView webView, List<Class<? extends Plugin>> initialPlugins, CordovaInterfaceImpl cordovaInterface, PluginManager pluginManager, CordovaPreferences preferences) {
     this.context = context;
     this.webView = webView;
+    this.webViewClient = new BridgeWebViewClient(this);
     this.initialPlugins = initialPlugins;
     this.cordovaInterface = cordovaInterface;
     this.preferences = preferences;
@@ -213,36 +212,7 @@ private void loadWebView() {
     Log.d(LOG_TAG, "Loading app at " + appUrl);
 
     webView.setWebChromeClient(new BridgeWebChromeClient(this));
-    webView.setWebViewClient(new WebViewClient() {
-      @Override
-      public WebResourceResponse shouldInterceptRequest(WebView view, WebResourceRequest request) {
-        return localServer.shouldInterceptRequest(request);
-      }
-
-      @Override
-      public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {
-        Uri url = request.getUrl();
-        return launchIntent(url);
-      }
-
-      @Override
-      public boolean shouldOverrideUrlLoading(WebView view, String url) {
-        return launchIntent(Uri.parse(url));
-      }
-
-      private boolean launchIntent(Uri url) {
-        if (!url.toString().contains(appUrl) && !appAllowNavigationMask.matches(url.getHost())) {
-          try {
-            Intent openIntent = new Intent(Intent.ACTION_VIEW, url);
-            getContext().startActivity(openIntent);
-          } catch (ActivityNotFoundException e) {
-            // TODO - trigger an event
-          }
-          return true;
-        }
-        return false;
-      }
-    });
+    webView.setWebViewClient(this.webViewClient);
 
     if (!isDeployDisabled() && !isNewBinary()) {
       SharedPreferences prefs = getContext().getSharedPreferences(com.getcapacitor.plugin.WebView.WEBVIEW_PREFS_NAME, Activity.MODE_PRIVATE);
@@ -255,6 +225,19 @@ private boolean launchIntent(Uri url) {
     webView.loadUrl(appUrl);
   }
 
+  public boolean launchIntent(Uri url) {
+    if (!url.toString().contains(appUrl) && !appAllowNavigationMask.matches(url.getHost())) {
+      try {
+        Intent openIntent = new Intent(Intent.ACTION_VIEW, url);
+        getContext().startActivity(openIntent);
+      } catch (ActivityNotFoundException e) {
+        // TODO - trigger an event
+      }
+      return true;
+    }
+    return false;
+  }
+
 
   private boolean isNewBinary() {
     String versionCode = "";
@@ -899,4 +882,13 @@ public WebViewLocalServer getLocalServer() {
   public HostMask getAppAllowNavigationMask() {
     return appAllowNavigationMask;
   }
+
+  public BridgeWebViewClient getWebViewClient() {
+    return this.webViewClient;
+  }
+
+  public void setWebViewClient(BridgeWebViewClient client) {
+    this.webViewClient = client;
+  }
+
 }

android/capacitor/src/main/java/com/getcapacitor/BridgeWebViewClient.java

@@ -0,0 +1,32 @@
+package com.getcapacitor;
+
+import android.net.Uri;
+import android.webkit.WebResourceRequest;
+import android.webkit.WebResourceResponse;
+import android.webkit.WebView;
+import android.webkit.WebViewClient;
+
+public class BridgeWebViewClient extends WebViewClient {
+  private Bridge bridge;
+
+  public BridgeWebViewClient(Bridge bridge) {
+    this.bridge = bridge;
+  }
+
+  @Override
+  public WebResourceResponse shouldInterceptRequest(WebView view, WebResourceRequest request) {
+    return bridge.getLocalServer().shouldInterceptRequest(request);
+  }
+
+  @Override
+  public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {
+    Uri url = request.getUrl();
+    return bridge.launchIntent(url);
+  }
+
+  @Override
+  public boolean shouldOverrideUrlLoading(WebView view, String url) {
+    return bridge.launchIntent(Uri.parse(url));
+  }
+
+}