Disable instead of hide Android version specific options

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

@@ -46,7 +46,6 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AlertDialog;
 import androidx.appcompat.widget.SwitchCompat;
-import androidx.constraintlayout.widget.Group;
 import androidx.lifecycle.Lifecycle;
 import androidx.preference.PreferenceManager;
 
@@ -83,7 +82,6 @@ public class FragmentOptionsBehavior extends FragmentBase implements SharedPrefe
     private SwitchCompat swAutoUnflag;
     private SwitchCompat swAutoImportant;
     private SwitchCompat swResetImportance;
-    private Group grpConversationActions;
 
     private final static String[] RESET_OPTIONS = new String[]{
             "sync_on_launch", "double_back", "conversation_actions", "conversation_actions_replies", "language_detection",
@@ -134,7 +132,6 @@ public class FragmentOptionsBehavior extends FragmentBase implements SharedPrefe
         swAutoUnflag = view.findViewById(R.id.swAutoUnflag);
         swAutoImportant = view.findViewById(R.id.swAutoImportant);
         swResetImportance = view.findViewById(R.id.swResetImportance);
-        grpConversationActions = view.findViewById(R.id.grpConversationActions);
 
         setOptions();
 
@@ -156,6 +153,7 @@ public class FragmentOptionsBehavior extends FragmentBase implements SharedPrefe
             }
         });
 
+        swConversationActions.setEnabled(Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q);
         swConversationActions.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
             @Override
             public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
@@ -164,6 +162,7 @@ public class FragmentOptionsBehavior extends FragmentBase implements SharedPrefe
             }
         });
 
+        swConversationActionsReplies.setEnabled(Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q);
         swConversationActionsReplies.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
             @Override
             public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
@@ -171,6 +170,7 @@ public class FragmentOptionsBehavior extends FragmentBase implements SharedPrefe
             }
         });
 
+        swLanguageDetection.setEnabled(Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q);
         swLanguageDetection.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
             @Override
             public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
@@ -489,8 +489,6 @@ public class FragmentOptionsBehavior extends FragmentBase implements SharedPrefe
         swAutoUnflag.setChecked(prefs.getBoolean("autounflag", false));
         swAutoImportant.setChecked(prefs.getBoolean("auto_important", false));
         swResetImportance.setChecked(prefs.getBoolean("reset_importance", false));
-
-        grpConversationActions.setVisibility(Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q ? View.VISIBLE : View.GONE);
     }
 
     public static class FragmentDialogSwipes extends FragmentDialogBase {

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

@@ -231,7 +231,7 @@ public class FragmentOptionsPrivacy extends FragmentBase implements SharedPrefer
             }
         });
 
-        swIncognitoKeyboard.setVisibility(Build.VERSION.SDK_INT < Build.VERSION_CODES.O ? View.GONE : View.VISIBLE);
+        swIncognitoKeyboard.setEnabled(Build.VERSION.SDK_INT >= Build.VERSION_CODES.O);
         swIncognitoKeyboard.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
             @Override
             public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
@@ -267,7 +267,7 @@ public class FragmentOptionsPrivacy extends FragmentBase implements SharedPrefer
             }
         });
 
-        grpSafeBrowsing.setVisibility(Build.VERSION.SDK_INT < Build.VERSION_CODES.O ? View.GONE : View.VISIBLE);
+        grpSafeBrowsing.setEnabled(Build.VERSION.SDK_INT >= Build.VERSION_CODES.O);
 
         ibDisconnectBlacklist.setOnClickListener(new View.OnClickListener() {
             @Override

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

@@ -487,11 +487,5 @@
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/swAutoImportant"
             app:switchPadding="12dp" />
-
-        <androidx.constraintlayout.widget.Group
-            android:id="@+id/grpConversationActions"
-            android:layout_width="0dp"
-            android:layout_height="0dp"
-            app:constraint_referenced_ids="swConversationActions,swConversationActionsReplies,swLanguageDetection,tvDelayHint" />
     </androidx.constraintlayout.widget.ConstraintLayout>
 </eu.faircode.email.ScrollViewEx>