trackoffical_app/third_party/sensor/ios/Classes/AppEventChannel.m

//
//  AppEventChannel.m
//  sensor
//
//  Created by MacBookPro on 2023/6/6.
//

#import "AppEventChannel.h"
#import "SensorPlugin.h"

@interface AppEventChannel ()<FlutterStreamHandler>{
    FlutterEventSink flutterEventSink;
    FlutterEventChannel* flutterEventChannel;
}

@end

@implementation AppEventChannel

- (instancetype)initWithNameMessge:(NSObject<FlutterPluginRegistrar> *)registrar :(NSString *)name{
    if (self = [super init]) {
        self -> flutterEventChannel = [FlutterEventChannel eventChannelWithName:name binaryMessenger:[registrar messenger]];
        [self -> flutterEventChannel setStreamHandler:self];
    }
    return self;
}

- (FlutterError * _Nullable)onCancelWithArguments:(id _Nullable)arguments {
    self -> flutterEventSink = NULL;
    return NULL;
}

- (FlutterError * _Nullable)onListenWithArguments:(id _Nullable)arguments eventSink:(nonnull FlutterEventSink)events {
    self -> flutterEventSink = events;
    return NULL;
}

- (void)success:(id _Nullable) event {
    if(self->flutterEventSink != nil){
        self-> flutterEventSink(event);
    }
}

@end