fix(iOS, Stack v4): ensure consistent defaults for obscureBackground and hideNavigationBar

android/src/paper/java/com/facebook/react/viewmanagers/RNSSearchBarManagerDelegate.java

@@ -43,7 +43,7 @@ public void setProperty(T view, String propName, @Nullable Object value) {
         mViewManager.setObscureBackground(view, value == null ? false : (boolean) value);
         break;
       case "hideNavigationBar":
-        mViewManager.setHideNavigationBar(view, value == null ? false : (boolean) value);
+        mViewManager.setHideNavigationBar(view, value == null ? true : (boolean) value);
         break;
       case "cancelButtonText":
         mViewManager.setCancelButtonText(view, value == null ? null : (String) value);

guides/GUIDE_FOR_LIBRARY_AUTHORS.md

@@ -461,7 +461,7 @@ To render a search bar use `ScreenStackHeaderSearchBarView` with `<SearchBar>` c
 - `hideNavigationBar` - Boolean indicating whether to hide the navigation bar during searching. Defaults to `true`. (iOS only)
 - `hideWhenScrolling` - Boolean indicating whether to hide the search bar when scrolling. Defaults to `true`. (iOS only)
 - `inputType` - Specifies type of input and keyboard for search bar. Can be one of `'text'`, `'phone'`, `'number'`, `'email'`. Defaults to `'text'`. (Android only)
-- `obscureBackground` - Boolean indicating whether to obscure the underlying content with semi-transparent overlay. Defaults to `true`. (iOS only)
+- `obscureBackground` - Boolean indicating whether to obscure the underlying content with semi-transparent overlay. Defaults to `false`. (iOS only)
 - `onBlur` - A callback that gets called when search bar has lost focus.
 - `onChangeText` - A callback that gets called when the text changes. It receives the current text value of the search bar.
 - `onCancelButtonPress` - A callback that gets called when the cancel button is pressed.

ios/RNSSearchBar.mm

@@ -66,6 +66,11 @@ - (void)initCommonProps
 #endif
 
   _controller.searchBar.delegate = self;
+
+  // Ensure consistent default values on both architectures
+  _controller.hidesNavigationBarDuringPresentation = YES;
+  _controller.obscuresBackgroundDuringPresentation = NO;
+
   _hideWhenScrolling = YES;
   _placement = RNSSearchBarPlacementAutomatic;
 
@@ -149,9 +154,7 @@ - (void)emitOnChangeTextEventWithText:(NSString *)text
 
 - (void)setObscureBackground:(BOOL)obscureBackground
 {
-  if (@available(iOS 9.1, *)) {
-    [_controller setObscuresBackgroundDuringPresentation:obscureBackground];
-  }
+  [_controller setObscuresBackgroundDuringPresentation:obscureBackground];
 }
 
 - (void)setHideNavigationBar:(BOOL)hideNavigationBar

src/fabric/SearchBarNativeComponent.ts

@@ -40,8 +40,8 @@ export interface NativeProps extends ViewProps {
   placeholder?: string;
   placement?: WithDefault<SearchBarPlacement, 'automatic'>;
   allowToolbarIntegration?: WithDefault<boolean, true>;
-  obscureBackground?: boolean;
-  hideNavigationBar?: boolean;
+  obscureBackground?: WithDefault<boolean, false>;
+  hideNavigationBar?: WithDefault<boolean, true>;
   cancelButtonText?: string;
   // TODO: implement these on iOS
   barTintColor?: ColorValue;