#import "RNHello.h"
#import <React/RCTLog.h>
@implementation RNHello
// To export a module named CalendarManager
RCT_EXPORT_MODULE();
// This would name the module AwesomeCalendarManager instead
// RCT_EXPORT_MODULE(AwesomeCalendarManager);
RCT_EXPORT_METHOD(addEvent:(NSString *)name location:(NSString *)location)
{
  RCTLogInfo(@"Pretending to create an event %@ at %@", name, location);
}
@end
复制代码

#import <React/RCTBridgeModule.h>
@interface RNHello : NSObject <RCTBridgeModule>
@end
复制代码

import { Button, View, NativeModules } from "react-native";
const test = () => {
  const onNative = () => {
    NativeModules.RNHello.addEvent("sssss", "sssd");
  };
  return (
      <Button title="Native" onPress={onNative} />
  )
}
复制代码

RCT_EXPORT_METHOD(findEvents:(RCTResponseSenderBlock)callback)  
{  
callback(@[@"hello from native ios"]);  
}
复制代码

const onNative = () => {
-  NativeModules.RNHello.addEvent("sssss", "sssd");
+     NativeModules.RNHello.findEvents((res) => {
+        alert(res);
+     });
};
复制代码