Create switch for numerical habits feature

app/src/main/java/org/isoron/uhabits/activities/habits/edit/EditHabitDialog.java

@@ -100,8 +100,8 @@ public class EditHabitDialog extends AppCompatDialogFragment
         initDependencies();
         ButterKnife.bind(this, view);
 
-        getDialog().setTitle(getTitle());
         originalHabit = parseHabitFromArguments();
+        getDialog().setTitle(getTitle());
 
         populateForm();
         setupReminderController();
@@ -112,7 +112,7 @@ public class EditHabitDialog extends AppCompatDialogFragment
 
     protected int getTitle()
     {
-        if (originalHabit == null) return R.string.edit_habit;
+        if (originalHabit != null) return R.string.edit_habit;
         else return R.string.create_habit;
     }
 

app/src/main/java/org/isoron/uhabits/activities/habits/list/ListHabitsScreen.java

@@ -37,6 +37,7 @@ import org.isoron.uhabits.commands.*;
 import org.isoron.uhabits.intents.*;
 import org.isoron.uhabits.io.*;
 import org.isoron.uhabits.models.*;
+import org.isoron.uhabits.preferences.*;
 import org.isoron.uhabits.utils.*;
 
 import java.io.*;
@@ -94,6 +95,9 @@ public class ListHabitsScreen extends BaseScreen
     @NonNull
     private final ThemeSwitcher themeSwitcher;
 
+    @NonNull
+    private Preferences prefs;
+
     @Inject
     public ListHabitsScreen(@NonNull BaseActivity activity,
                             @NonNull CommandRunner commandRunner,
@@ -104,10 +108,12 @@ public class ListHabitsScreen extends BaseScreen
                             @NonNull ConfirmDeleteDialogFactory confirmDeleteDialogFactory,
                             @NonNull FilePickerDialogFactory filePickerDialogFactory,
                             @NonNull ColorPickerDialogFactory colorPickerFactory,
-                            @NonNull EditHabitDialogFactory editHabitDialogFactory)
+                            @NonNull EditHabitDialogFactory editHabitDialogFactory,
+                            @NonNull Preferences prefs)
     {
         super(activity);
         setRootView(rootView);
+        this.prefs = prefs;
         this.colorPickerFactory = colorPickerFactory;
         this.commandRunner = commandRunner;
         this.confirmDeleteDialogFactory = confirmDeleteDialogFactory;
@@ -173,6 +179,12 @@ public class ListHabitsScreen extends BaseScreen
 
     public void showCreateHabitScreen()
     {
+        if(!prefs.isNumericalHabitsFeatureEnabled())
+        {
+            showCreateBooleanHabitScreen();
+            return;
+        }
+
         Dialog dialog = new AlertDialog.Builder(activity)
             .setTitle("Type of habit")
             .setItems(R.array.habitTypes, (d, which) -> {

app/src/main/java/org/isoron/uhabits/preferences/Preferences.java

@@ -77,6 +77,11 @@ public class Preferences
         }
     }
 
+    public boolean isNumericalHabitsFeatureEnabled()
+    {
+        return prefs.getBoolean("pref_feature_numerical_habits", false);
+    }
+
     public void setDefaultOrder(HabitList.Order order)
     {
         prefs.edit().putString("pref_default_order", order.name()).apply();

app/src/main/res/xml/preferences.xml

@@ -142,6 +142,11 @@
             android:key="pref_developer"
             android:title="Enable developer mode"/>
 
+        <CheckBoxPreference
+            android:defaultValue="false"
+            android:key="pref_feature_numerical_habits"
+            android:title="Enable numerical habits"/>
+
     </PreferenceCategory>
 
 </PreferenceScreen>