Added auth check info button

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

@@ -23,6 +23,7 @@ import android.app.Dialog;
 import android.app.TimePickerDialog;
 import android.content.Context;
 import android.content.SharedPreferences;
+import android.net.Uri;
 import android.os.Bundle;
 import android.text.format.DateFormat;
 import android.view.LayoutInflater;
@@ -91,6 +92,7 @@ public class FragmentOptionsSynchronize extends FragmentBase implements SharedPr
     private SwitchCompat swTuneKeepAlive;
 
     private SwitchCompat swCheckAuthentication;
+    private ImageButton ibCheckAuthenticationInfo;
     private SwitchCompat swCheckTls;
     private ImageButton ibCheckTlsInfo;
     private SwitchCompat swCheckReply;
@@ -164,6 +166,7 @@ public class FragmentOptionsSynchronize extends FragmentBase implements SharedPr
         swTuneKeepAlive = view.findViewById(R.id.swTuneKeepAlive);
 
         swCheckAuthentication = view.findViewById(R.id.swCheckAuthentication);
+        ibCheckAuthenticationInfo = view.findViewById(R.id.ibCheckAuthenticationInfo);
         swCheckTls = view.findViewById(R.id.swCheckTls);
         ibCheckTlsInfo = view.findViewById(R.id.ibCheckTlsInfo);
         swCheckReply = view.findViewById(R.id.swCheckReply);
@@ -399,6 +402,13 @@ public class FragmentOptionsSynchronize extends FragmentBase implements SharedPr
             }
         });
 
+        ibCheckAuthenticationInfo.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Helper.view(v.getContext(), Uri.parse(Helper.AUTH_RESULTS_URI), true);
+            }
+        });
+
         swCheckTls.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
             @Override
             public void onCheckedChanged(CompoundButton buttonView, boolean checked) {

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

@@ -179,6 +179,7 @@ public class Helper {
     static final String TEST_URI = "https://play.google.com/apps/testing/" + BuildConfig.APPLICATION_ID;
     static final String BIMI_PRIVACY_URI = "https://datatracker.ietf.org/doc/html/draft-brotman-ietf-bimi-guidance-03#section-7.4";
     static final String ID_COMMAND_URI = "https://datatracker.ietf.org/doc/html/rfc2971#section-3.1";
+    static final String AUTH_RESULTS_URI = "https://datatracker.ietf.org/doc/html/rfc7601";
     static final String FAVICON_PRIVACY_URI = "https://en.wikipedia.org/wiki/Favicon";
     static final String GRAVATAR_PRIVACY_URI = "https://en.wikipedia.org/wiki/Gravatar";
     static final String LICENSE_URI = "https://www.gnu.org/licenses/gpl-3.0.html";

app/src/main/res/layout/fragment_options_synchronize.xml

@@ -769,6 +769,16 @@
                     app:layout_constraintStart_toStartOf="parent"
                     app:layout_constraintTop_toBottomOf="@id/swCheckAuthentication" />
 
+                <eu.faircode.email.FixedImageButton
+                    android:id="@+id/ibCheckAuthenticationInfo"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:contentDescription="@string/title_info"
+                    android:tooltipText="@string/title_info"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toBottomOf="@id/tvCheckAuthenticationHint"
+                    app:srcCompat="@drawable/twotone_info_24" />
+
                 <androidx.appcompat.widget.SwitchCompat
                     android:id="@+id/swCheckTls"
                     android:layout_width="0dp"
@@ -778,7 +788,7 @@
                     android:text="@string/title_advanced_check_tls"
                     app:layout_constraintEnd_toEndOf="parent"
                     app:layout_constraintStart_toStartOf="parent"
-                    app:layout_constraintTop_toBottomOf="@id/tvCheckAuthenticationHint"
+                    app:layout_constraintTop_toBottomOf="@id/ibCheckAuthenticationInfo"
                     app:switchPadding="12dp" />
 
                 <eu.faircode.email.FixedTextView