feat: Allows configuration of Mixed Content Mode (#240)

BREAKING CHANGE: changes the default from 1 (never) to 0 (always)

#231

Author: jcesarmobile

README.md

@@ -54,6 +54,23 @@ Preferences available for both iOS and Android platforms
 
 The default port the server will listen on. _You should change this to a random port number!_
 
+#### MixedContentMode
+
+
+```xml
+<preference name="MixedContentMode" value="2" />
+```
+
+Configures the WebView's behavior when an origin attempts to load a resource from a different origin.
+
+Default value is `0` (`MIXED_CONTENT_ALWAYS_ALLOW`), which allows loading resources from other origins.
+
+Other possible values are `1` (`MIXED_CONTENT_NEVER_ALLOW`) and `2` (`MIXED_CONTENT_COMPATIBILITY_MODE`)
+
+
+[Android documentation](https://developer.android.com/reference/android/webkit/WebSettings.html#setMixedContentMode(int))
+
+
 ### iOS Preferences
 
 Preferences only available for iOS platform

src/android/com/ionicframework/cordova/webview/IonicWebViewEngine.java

@@ -12,6 +12,7 @@
 import android.util.Log;
 import android.webkit.WebResourceRequest;
 import android.webkit.WebResourceResponse;
+import android.webkit.WebSettings;
 import android.webkit.WebView;
 import org.apache.cordova.ConfigXmlParser;
 import org.apache.cordova.CordovaInterface;
@@ -67,6 +68,11 @@ public void init(CordovaWebView parentWebView, CordovaInterface cordova, final C
     webView.setWebViewClient(new ServerClient(this, parser));
 
     super.init(parentWebView, cordova, client, resourceApi, pluginManager, nativeToJsMessageQueue);
+    if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+      final WebSettings settings = webView.getSettings();
+      int mode = preferences.getInteger("MixedContentMode", 0);
+      settings.setMixedContentMode(mode);
+    }
     SharedPreferences prefs = cordova.getActivity().getApplicationContext().getSharedPreferences(IonicWebView.WEBVIEW_PREFS_NAME, Activity.MODE_PRIVATE);
     String path = prefs.getString(IonicWebView.CDV_SERVER_PATH, null);
     if (!isDeployDisabled() && !isNewBinary() && path != null && !path.isEmpty()) {