Disable attribute registration

app/src/main/java/eu/faircode/email/ActivityAMP.java

@@ -99,6 +99,8 @@ public class ActivityAMP extends ActivityBase {
 
         if (WebViewEx.isFeatureSupported(this, WebViewFeature.SAFE_BROWSING_ENABLE))
             WebSettingsCompat.setSafeBrowsingEnabled(settings, safe_browsing);
+        if (WebViewEx.isFeatureSupported(this, WebViewFeature.ATTRIBUTION_REGISTRATION_BEHAVIOR))
+            WebSettingsCompat.setAttributionRegistrationBehavior(settings, WebSettingsCompat.ATTRIBUTION_BEHAVIOR_DISABLED);
 
         setDarkMode();
 

app/src/main/java/eu/faircode/email/ActivityCode.java

@@ -116,6 +116,9 @@ public class ActivityCode extends ActivityBase {
         settings.setCacheMode(WebSettings.LOAD_CACHE_ONLY);
         settings.setMixedContentMode(WebSettings.MIXED_CONTENT_NEVER_ALLOW);
 
+        if (WebViewEx.isFeatureSupported(this, WebViewFeature.ATTRIBUTION_REGISTRATION_BEHAVIOR))
+            WebSettingsCompat.setAttributionRegistrationBehavior(settings, WebSettingsCompat.ATTRIBUTION_BEHAVIOR_DISABLED);
+
         settings.setLoadsImagesAutomatically(false);
         settings.setBlockNetworkLoads(true);
         settings.setBlockNetworkImage(true);

app/src/main/java/eu/faircode/email/FragmentDialogOpenFull.java

@@ -82,6 +82,8 @@ public class FragmentDialogOpenFull extends FragmentDialogBase {
 
         if (WebViewEx.isFeatureSupported(context, WebViewFeature.SAFE_BROWSING_ENABLE))
             WebSettingsCompat.setSafeBrowsingEnabled(settings, safe_browsing);
+        if (WebViewEx.isFeatureSupported(context, WebViewFeature.ATTRIBUTION_REGISTRATION_BEHAVIOR))
+            WebSettingsCompat.setAttributionRegistrationBehavior(settings, WebSettingsCompat.ATTRIBUTION_BEHAVIOR_DISABLED);
 
         boolean dark = (Helper.isDarkTheme(context) && !force_light);
         boolean canDarken = WebViewEx.isFeatureSupported(context, WebViewFeature.ALGORITHMIC_DARKENING);

app/src/main/java/eu/faircode/email/FragmentDialogPrint.java

@@ -46,6 +46,8 @@ import androidx.annotation.Nullable;
 import androidx.appcompat.app.AlertDialog;
 import androidx.fragment.app.FragmentManager;
 import androidx.preference.PreferenceManager;
+import androidx.webkit.WebSettingsCompat;
+import androidx.webkit.WebViewFeature;
 
 import org.jsoup.nodes.Document;
 import org.jsoup.nodes.Element;
@@ -389,6 +391,10 @@ public class FragmentDialogPrint extends FragmentDialogBase {
                 settings.setUserAgentString(WebViewEx.getUserAgent(context, printWebView));
                 settings.setLoadsImagesAutomatically(print_html_images);
                 settings.setMixedContentMode(WebSettings.MIXED_CONTENT_ALWAYS_ALLOW);
+
+                if (WebViewEx.isFeatureSupported(context, WebViewFeature.ATTRIBUTION_REGISTRATION_BEHAVIOR))
+                    WebSettingsCompat.setAttributionRegistrationBehavior(settings, WebSettingsCompat.ATTRIBUTION_BEHAVIOR_DISABLED);
+
                 settings.setJavaScriptEnabled(false);
                 settings.setAllowFileAccess(true);
 

app/src/main/java/eu/faircode/email/WebViewEx.java

@@ -93,6 +93,8 @@ public class WebViewEx extends WebView implements DownloadListener, View.OnLongC
 
         if (WebViewEx.isFeatureSupported(context, WebViewFeature.SAFE_BROWSING_ENABLE))
             WebSettingsCompat.setSafeBrowsingEnabled(settings, safe_browsing);
+        if (WebViewEx.isFeatureSupported(context, WebViewFeature.ATTRIBUTION_REGISTRATION_BEHAVIOR))
+            WebSettingsCompat.setAttributionRegistrationBehavior(settings, WebSettingsCompat.ATTRIBUTION_BEHAVIOR_DISABLED);
     }
 
     void init(int height, int maxHeight, float size, Pair<Integer, Integer> position, boolean force_light, IWebView intf) {