[rn] Pass props when creating a view in RCTViewManager

React/Modules/RCTUIManager.m

@@ -758,7 +758,7 @@ RCT_EXPORT_METHOD(createView:(nonnull NSNumber *)reactTag
   UIColor *backgroundColor = shadowView.backgroundColor;
 
   [self addUIBlock:^(RCTUIManager *uiManager, RCTSparseArray *viewRegistry){
-    id<RCTComponent> view = [componentData createViewWithTag:reactTag];
+    id<RCTComponent> view = [componentData createViewWithTag:reactTag props:props];
     if ([view respondsToSelector:@selector(setBackgroundColor:)]) {
       ((UIView *)view).backgroundColor = backgroundColor;
     }

React/Views/RCTComponentData.h

@@ -22,7 +22,7 @@
 
 - (instancetype)initWithManager:(RCTViewManager *)manager NS_DESIGNATED_INITIALIZER;
 
-- (id<RCTComponent>)createViewWithTag:(NSNumber *)tag;
+- (id<RCTComponent>)createViewWithTag:(NSNumber *)tag props:(NSDictionary *)props;
 - (RCTShadowView *)createShadowViewWithTag:(NSNumber *)tag;
 - (void)setProps:(NSDictionary *)props forView:(id<RCTComponent>)view;
 - (void)setProps:(NSDictionary *)props forShadowView:(RCTShadowView *)shadowView;

React/Views/RCTComponentData.m

@@ -62,11 +62,11 @@ typedef void (^RCTPropBlock)(id<RCTComponent> view, id json);
 
 RCT_NOT_IMPLEMENTED(- (instancetype)init)
 
-- (id<RCTComponent>)createViewWithTag:(NSNumber *)tag
+- (id<RCTComponent>)createViewWithTag:(NSNumber *)tag props:(NSDictionary *)props
 {
   RCTAssertMainThread();
 
-  id<RCTComponent> view = (id<RCTComponent>)[_manager view];
+  id<RCTComponent> view = (id<RCTComponent>)(props ? [_manager viewWithProps:props] : [_manager view]);
   view.reactTag = tag;
   if ([view isKindOfClass:[UIView class]]) {
     ((UIView *)view).multipleTouchEnabled = YES;
@@ -264,7 +264,7 @@ RCT_NOT_IMPLEMENTED(- (instancetype)init)
   }
 
   if (!_defaultView) {
-    _defaultView = [self createViewWithTag:nil];
+    _defaultView = [self createViewWithTag:nil props:nil];
   }
 
   [props enumerateKeysAndObjectsUsingBlock:^(NSString *key, id json, __unused BOOL *stop) {

React/Views/RCTViewManager.h

@@ -39,6 +39,15 @@ typedef void (^RCTViewManagerUIBlock)(RCTUIManager *uiManager, RCTSparseArray *v
  */
 - (UIView *)view;
 
+/**
+ * This method instantiates a native view using the props passed into the component.
+ * This method should be used when you need to know about specific props in order to
+ * initialize a view. By default, this just calls the -view method. Each prop will
+ * still be set individually, after the view is created. Like the -view method,
+ * -viewWithProps: should return a fresh instance each time it is called.
+ */
+- (UIView *)viewWithProps:(NSDictionary *)props;
+
 /**
  * This method instantiates a shadow view to be managed by the module. If omitted,
  * an ordinary RCTShadowView instance will be created, which is typically fine for

React/Views/RCTViewManager.m

@@ -54,6 +54,11 @@ RCT_EXPORT_MODULE()
   return _bridge.uiManager.methodQueue;
 }
 
+- (UIView *)viewWithProps:(NSDictionary *)props
+{
+  return [self view];
+}
+
 - (UIView *)view
 {
   return [RCTView new];