mobileCyberGamesApp/ttdj_plugin/ios/Classes/TtdjPlugin.m

#import "TtdjPlugin.h"
#import <DJGameVIPSDK/DJGameVIPSDK.h>
#import "VipViewController.h"

@interface TtdjPlugin() <FlutterPlugin>
@property (nonatomic) UIViewController *viewController;
@end

@implementation TtdjPlugin
+ (void)registerWithRegistrar:(NSObject<FlutterPluginRegistrar>*)registrar {
    UIViewController *viewController = [UIApplication sharedApplication].delegate.window.rootViewController;
    FlutterMethodChannel* channel = [FlutterMethodChannel
                                     methodChannelWithName:@"ttdj_plugin"
                                     binaryMessenger:[registrar messenger]];
    TtdjPlugin* instance = [[TtdjPlugin alloc] initWithViewController:viewController];
    [registrar addMethodCallDelegate:instance channel:channel];
}

- (instancetype)initWithViewController:(UIViewController *)viewController {
    self = [super init];
    if(self) {
        self.viewController = viewController;
    }
    return self;
}

- (void)handleMethodCall:(FlutterMethodCall*)call result:(FlutterResult)result {
    if ([@"init" isEqualToString:call.method]) {
        NSString *userId = call.arguments[@"userId"];
        NSString *token = call.arguments[@"token"];
        [[DJGameManager defaultManager] configWithAppKey:@"1557281556ibPS1wFSicpPkbem8eW1" secret:@"ecO8lX8W8bQp8vQ9HVhE93t2"];
        [[DJGameManager defaultManager] configUserId:userId token:token];
        result(@"success");
    } else if ([@"gotoVipPage" isEqualToString:call.method]) {
        NSBundle *bundle = [NSBundle bundleForClass:[self class]];
        NSString *path = [bundle pathForResource:@"DJGameVIPSDK" ofType:@"framework"];
        NSBundle *SDKBundle = [NSBundle bundleWithPath:path];
        VipViewController *vc = [[VipViewController alloc] initWithNibName:@"DJGameVipViewController" bundle:SDKBundle];
        UINavigationController *nvc = [[UINavigationController alloc] initWithRootViewController:vc];
        [self.viewController presentViewController:nvc animated:YES completion:nil];
    }
}

- (void)close {
    
}

@end