用一個RCTRootView作為iOS裡一個Controller的view。在RN層的左上角返回按鈕點選後pop回iOS層。發現無法執行，除錯發現controller的navigationCont的值是空的。發現與RN互動的這個self地址和iOS層的self並不是同一個記憶體地址，RN應該是deep copy了iOS層的self等，導致無法進行pop。

有一種解決方案：寫一個單例TCReactNativeBridge，專門給用來處理原生和React Native之間的互動，TCReactNativeBridge暴露一個delegate給需要互動的原生Controller，用來接收React Native傳遞過來的事件和引數，並用回撥的方式傳回引數給React Native。

#import "RCTBridgeModule.h"

@protocol TCReactNativeBridgeDelegate <NSObject>

@optional
-(void)rn_leftBarButtonClicked;
-(void)rn_rightBarButtonClicked;
-(void)rn_reciveFromReactNative:(NSString*)action
                        paramas:(NSArray*)paramas
                       callback:(RCTResponseSenderBlock)callback;

@end

@interface TCReactNativeBridge : NSObject<RCTBridgeModule>

@property (nonatomic,weak) id<TCReactNativeBridgeDelegate> delegate;

+(instancetype)sharedIncetance;

@end
 

@implementation TCReactNativeBridge

RCT_EXPORT_MODULE()

+(instancetype)sharedIncetance
{
    static TCReactNativeBridge *incetance = nil;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^
                  {
                      incetance = [[TCReactNativeBridge alloc] init];
                  });
    
    return incetance;
}
 

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<span style="font-family: Arial, Helvetica, sans-serif;">-(void)rn_reciveFromReactNative:(NSString*)action</span>

                        paramas:(NSArray*)paramas
                       callback:(RCTResponseSenderBlock)callback
{
    if ([action isEqualToString:@"hideTabbar"]) {
        [[TCGlobal sharedIncetance].tabBarController setTabBarHidden:YES animated:YES];
    }
    else if ([action isEqualToString:@"showTabbar"]) {
        [[TCGlobal sharedIncetance].tabBarController setTabBarHidden:NO animated:YES];
    }
    else if ([action isEqualToString:@"motherForumBoardCreateNewPost"]) {
        TMCreateMotherForumPostViewController *c = [[TMCreateMotherForumPostViewController alloc] init];
        UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController:c];
        [self presentViewController:nav animated:YES completion:nil];
    }
}

-(void)rn_reciveFromReactNative:(NSString*)action
                        paramas:(NSArray*)paramas
                       callback:(RCTResponseSenderBlock)callback
{
    if ([action isEqualToString:@"hideTabbar"]) {
        [[TCGlobal sharedIncetance].tabBarController setTabBarHidden:YES animated:YES];
    }
    else if ([action isEqualToString:@"showTabbar"]) {
        [[TCGlobal sharedIncetance].tabBarController setTabBarHidden:NO animated:YES];
    }
}