iOS Application Access¶

platform :ios, '10.0' 
use_frameworks!
def shared_pods
pod 'FTMobileSDK', '[latest_version]'
# If you need to collect widget Extension data
pod 'FTMobileSDK/Extension', '[latest_version]'
end
//Main Project Target
target 'yourProjectName' do
shared_pods
end

//Widget Extension
target 'yourWidgetExtensionName' do
# If you need to collect widget Extension data
shared_pods
end

use_modular_headers!
//Main Project Target
target 'yourProjectName' do
pod 'FTMobileSDK', '[latest_version]'
end
//Widget Extension
target 'yourWidgetExtensionName' do
pod 'FTMobileSDK/Extension', '[latest_version]'
end

Pod::Spec.new do |s|
s.name         = "FTMobileSDK"
s.version      = "[latest_version]"  
s.source       = { :git => "https://github.com/GuanceCloud/datakit-ios.git", :tag => s.version }

github "GuanceCloud/datakit-ios" == [latest_version]

carthage update --platform iOS

carthage update --platform iOS --use-xcframeworks

//  main project
dependencies: [
.package(name: "FTMobileSDK", url: "https://github.com/GuanceCloud/datakit-ios.git",.upToNextMajor(from: "[latest_version]"))
]

//CocoaPods、SPM 
#import "FTMobileSDK.h"
//Carthage 
#import <FTMobileSDK/FTMobileSDK.h>

import FTMobileSDK

-(BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions{
     // Use Datakit Address
     //FTMobileConfig *config = [[FTMobileConfig alloc]initWithDatakitUrl:datakitUrl];
     // Use DataWay Address
    FTMobileConfig *config = [[FTMobileConfig alloc]initWithDatawayUrl:datawayUrl clientToken:clientToken];
    config.enableSDKDebugLog = YES;
    //Start SDK
    [FTMobileAgent startWithConfigOptions:config];

   //...
    return YES;
}

func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
       // Use Datakit Address
       //let config = FTMobileConfig(datakitUrl: url)
       // Use DataWay Address
     let config = FTMobileConfig(datawayUrl: datawayUrl, clientToken: clientToken)
     config.enableSDKDebugLog = true
     FTMobileAgent.start(withConfigOptions: config)
     //...
     return true
}

    //开启 rum
    FTRumConfig *rumConfig = [[FTRumConfig alloc]initWithAppid:appid];
    rumConfig.samplerate = 80;
    rumConfig.enableTrackAppCrash = YES;
    rumConfig.enableTrackAppANR = YES;
    rumConfig.enableTrackAppFreeze = YES;
    rumConfig.enableTraceUserAction = YES;
    rumConfig.enableTraceUserView = YES;
    rumConfig.enableTraceUserResource = YES;
    rumConfig.errorMonitorType = FTErrorMonitorAll;
    rumConfig.deviceMetricsMonitorType = FTDeviceMetricsMonitorAll;
    rumConfig.monitorFrequency = FTMonitorFrequencyRare;
    [[FTMobileAgent sharedInstance] startRumWithConfigOptions:rumConfig];

    let rumConfig = FTRumConfig(appid: appid)
    rumConfig.enableTraceUserAction = true
    rumConfig.enableTrackAppANR = true
    rumConfig.enableTraceUserView = true
    rumConfig.enableTraceUserResource = true
    rumConfig.enableTrackAppCrash = true
    rumConfig.enableTrackAppFreeze = true
    rumConfig.errorMonitorType = .all
    rumConfig.deviceMetricsMonitorType = .all
    rumConfig.monitorFrequency = .rare
    FTMobileAgent.sharedInstance().startRum(withConfigOptions: rumConfig)

    FTLoggerConfig *loggerConfig = [[FTLoggerConfig alloc]init];
    loggerConfig.enableCustomLog = YES;
    loggerConfig.enableLinkRumData = YES;
    loggerConfig.logLevelFilter = @[@(FTStatusError),@(FTStatusCritical)];
    loggerConfig.discardType = FTDiscardOldest;
    [[FTMobileAgent sharedInstance] startLoggerWithConfigOptions:loggerConfig];

    let loggerConfig = FTLoggerConfig()
    loggerConfig.enableCustomLog = true
    loggerConfig.enableLinkRumData = true
    loggerConfig.logLevelFilter = [NSNumber(value: FTLogStatus.statusError.rawValue),NSNumber(value: FTLogStatus.statusCritical.rawValue)] // loggerConfig.logLevelFilter = [2,3]
    loggerConfig.discardType = .discardOldest
    FTMobileAgent.sharedInstance().startLogger(withConfigOptions: loggerConfig)

   //开启 trace
   FTTraceConfig *traceConfig = [[FTTraceConfig alloc]init];
   traceConfig.enableLinkRumData = YES;
     traceConfig.enableAutoTrace = YES;
   traceConfig.networkTraceType = FTNetworkTraceTypeDDtrace;
   [[FTMobileAgent sharedInstance] startTraceWithConfigOptions:traceConfig];

   let traceConfig = FTTraceConfig.init()
   traceConfig.enableLinkRumData = true
   traceConfig.enableAutoTrace = true
   FTMobileAgent.sharedInstance().startTrace(withConfigOptions: traceConfig)

/// Create View
///
/// Called before the '-startViewWithName' method, which is used to record the loading time of the page. If the loading time cannot be obtained, this method may not be called.
/// - Parameters:
///  - viewName: Current View Name
///  - loadTime: The loading time of this view（ns）
-(void)onCreateView:(NSString *)viewName loadTime:(NSNumber *)loadTime;

/// view start
///
/// - Parameters:
///  - viewName: Current View Name
-(void)startViewWithName:(NSString *)viewName;

/// view start
/// - Parameters:
///  - viewName: Current View Name
///  - property: Extra Property (optional)
-(void)startViewWithName:(NSString *)viewName property:(nullable NSDictionary *)property;

/// view stop
-(void)stopView;

/// view stop
/// - Parameter property: Extra Property (optional)
-(void)stopViewWithProperty:(nullable NSDictionary *)property;

/// Create View
///
/// Called before the '-startViewWithName' method, which is used to record the loading time of the page. If the loading time cannot be obtained, this method may not be called.
/// - Parameters:
///  - viewName: Current View Name
///  - loadTime: The loading time of this view （ns）
open func onCreateView(_ viewName: String, loadTime: NSNumber)

/// view start
///
/// - Parameters:
///  - viewName: Current View Name
open func startView(withName viewName: String)

/// view start
/// - Parameters:
///  - viewName: Current View Name
///  - property: Extra Property (optional)
open func startView(withName viewName: String, property: [AnyHashable : Any]?)

/// view stop
open func stopView() 

/// view stop
/// - Parameter property: Extra Property (optional)
open func stopView(withProperty property: [AnyHashable : Any]?)

- (void)viewDidAppear:(BOOL)animated{
  [super viewDidAppear:animated];
  // Scene 1：
  [[FTExternalDataManager sharedManager] startViewWithName:@"TestVC"];  

  // Secne 2：  extra property
  [[FTExternalDataManager sharedManager] startViewWithName:@"TestVC" property:@{@"custom_key":@"custom_value"}];  
}
-(void)viewDidDisappear:(BOOL)animated{
  [super viewDidDisappear:animated];
  // Scene 1：
  [[FTExternalDataManager sharedManager] stopView];  

  // Secne 2：  extra property
  [[FTExternalDataManager sharedManager] stopViewWithProperty:@{@"custom_key":@"custom_value"}];
}

override func viewDidAppear(_ animated: Bool) {
    super.viewDidAppear(animated)
    // Scene 1：
    FTExternalDataManager.shared().startView(withName: "TestVC")
    // Secne 2：  extra property
    FTExternalDataManager.shared().startView(withName: "TestVC",property: ["custom_key":"custom_value"])
}
override func viewDidDisappear(_ animated: Bool) {
    super.viewDidDisappear(animated)
    // Scene 1：
    FTExternalDataManager.shared().stopView()
    // Secne 2：  extra property
    FTExternalDataManager.shared().stopView(withProperty: ["custom_key":"custom_value"])
}

/// add action
///
/// - Parameters:
///   - actionName: action name
- (void)addClickActionWithName:(NSString *)actionName;

/// add action
/// - Parameters:
///   - actionName: action name
///   - property: extra property (optional)
- (void)addClickActionWithName:(NSString *)actionName property:(nullable NSDictionary *)property;

/// add action
///
/// - Parameters:
///   - actionName: action name
///   - actionType: action type
- (void)addActionName:(NSString *)actionName actionType:(NSString *)actionType;

/// add action
/// - Parameters:
///   - actionName: action name
///   - actionType: action type
///   - property: extra property (optional)
- (void)addActionName:(NSString *)actionName actionType:(NSString *)actionType property:(nullable NSDictionary *)property;

/// add action
///
/// - Parameters:
///   - actionName: action name
func addClickAction(withName: String)

/// add action
/// - Parameters:
///   - actionName: action name
///   - property: extra property (optional)
func addClickAction(withName: String, property: [AnyHashable : Any]?)

/// add action
///
/// - Parameters:
///   - actionName: action name
///   - actionType: action type
func addActionName(String, actionType: String)

/// add action
/// - Parameters:
///   - actionName: action name
///   - actionType: action type
///   - property: extra property (optional)
func addActionName(String, actionType: String, property: [AnyHashable : Any]?)

// Secne 1：  
[[FTExternalDataManager sharedManager] addActionName:@"UITableViewCell click" actionType:@"click"];
// Secne 2：  extra property
[[FTExternalDataManager sharedManager]  addActionName:@"UITableViewCell click" actionType:@"click" property:@{@"custom_key":@"custom_value"}];

// Secne 1：  
FTExternalDataManager.shared().addActionName("custom_action", actionType: "click")
// Secne 2：  extra property
FTExternalDataManager.shared().addActionName("custom_action", actionType: "click",property: ["custom_key":"custom_value"])

/// add error data
///
/// - Parameters:
///   - type: error type
///   - message: error message detail
///   - stack: error log content
- (void)addErrorWithType:(NSString *)type message:(NSString *)message stack:(NSString *)stack;

/// add error data
/// - Parameters:
///   - type: error type
///   - message: error message detail
///   - stack: error log content
///   - property: extra property (optional)
- (void)addErrorWithType:(NSString *)type message:(NSString *)message stack:(NSString *)stack property:(nullable NSDictionary *)property;

/// add error data
/// - Parameters:
///   - type: error type
///   - state: application running state
///   - message: error message detail
///   - stack: error log content
///   - property: extra property (optional)
- (void)addErrorWithType:(NSString *)type state:(FTAppState)state  message:(NSString *)message stack:(NSString *)stack property:(nullable NSDictionary *)property;

/// add error data
///
/// - Parameters:
///   - type: error type
///   - message: error message detail
///   - stack: error log content
func addError(withType: String, message: String, stack: String)

/// add error data
/// - Parameters:
///   - type: error type
///   - message: error message detail
///   - stack: error log content
///   - property: extra property (optional)
func addError(withType: String, message: String, stack: String, property: [AnyHashable : Any]?)

/// add error data
/// - Parameters:
///   - type: error type
///   - state: application running state
///   - message: error message detail
///   - stack: error log content
///   - property: extra property (optional)
open func addError(withType type: String, state: FTAppState, message: String, stack: String, property: [AnyHashable : Any]?)

// Secne 1： 
[[FTExternalDataManager sharedManager] addErrorWithType:@"type" message:@"message" stack:@"stack"];
// Secne 2：  extra property
[[FTExternalDataManager sharedManager] addErrorWithType:@"ios_crash" message:@"crash_message" stack:@"crash_stack" property:@{@"custom_key":@"custom_value"}];
// Secne 3：  extra property
[[FTExternalDataManager sharedManager] addErrorWithType:@"ios_crash" state:FTAppStateUnknown message:@"crash_message" stack:@"crash_stack" property:@{@"custom_key":@"custom_value"}];

// Secne 1： 
FTExternalDataManager.shared().addError(withType: "custom_type", message: "custom_message", stack: "custom_stack")
// Secne 2：  extra property
FTExternalDataManager.shared().addError(withType: "custom_type", message: "custom_message", stack: "custom_stack",property: ["custom_key":"custom_value"])
// Secne 3：  extra property     
FTExternalDataManager.shared().addError(withType: "custom_type", state: .unknown, message: "custom_message", stack: "custom_stack", property: ["custom_key":"custom_value"])

/// add long task data
///
/// - Parameters:
///   - stack: stack or log content
///   - duration: Duration, in nanoseconds.
- (void)addLongTaskWithStack:(NSString *)stack duration:(NSNumber *)duration;

/// add long task data
/// - Parameters:
///   - stack: stack or log content
///   - duration: Duration, in nanoseconds.
///   - property: extra property (optional)
- (void)addLongTaskWithStack:(NSString *)stack duration:(NSNumber *)duration property:(nullable NSDictionary *)property;

/// add long task data
///
/// - Parameters:
///   - stack: stack or log content
///   - duration: Duration, in nanoseconds.
func addLongTask(withStack: String, duration: NSNumber)

/// add long task data
/// - Parameters:
///   - stack: stack or log content
///   - duration: Duration, in nanoseconds.
///   - property: extra property (optional)
func addLongTask(withStack: String, duration: NSNumber, property: [AnyHashable : Any]?)

// Secne 1： 
[[FTExternalDataManager sharedManager] addLongTaskWithStack:@"stack string" duration:@1000000000];
// Secne 2：  extra property
[[FTExternalDataManager sharedManager] addLongTaskWithStack:@"stack string" duration:@1000000000 property:@{@"custom_key":@"custom_value"}];

// Secne 1： 
FTExternalDataManager.shared().addLongTask(withStack: "stack string", duration: 1000000000)
// Secne 2：  extra property
FTExternalDataManager.shared().addLongTask(withStack: "stack string", duration: 1000000000 ,property: [["custom_key":"custom_value"]])

/// resource start
///
/// - Parameters:
///   - key: resource Id ，unique every request
- (void)startResourceWithKey:(NSString *)key;

/// resource start
/// - Parameters:
///   - key: resource Id ，unique every request
///   - property: extra property
- (void)startResourceWithKey:(NSString *)key property:(nullable NSDictionary *)property;

/// resource stop
///
/// - Parameters:
///   - key: resource Id ，unique every request
- (void)stopResourceWithKey:(NSString *)key;

/// resource stop
/// - Parameters:
///   - key: resource Id ，unique every request
///   - property: extra property
- (void)stopResourceWithKey:(NSString *)key property:(nullable NSDictionary *)property;

/// append network metrics and content data
///
/// - Parameters:
///   - key: resource Id ，unique every request
///   - metrics: request performance attributes
///   - content: request data
- (void)addResourceWithKey:(NSString *)key metrics:(nullable FTResourceMetricsModel *)metrics content:(FTResourceContentModel *)content;

/// resource start
///
/// - Parameters:
///   - key: resource Id ，unique every request
open func startResource(withKey key: String)

/// resource start
/// - Parameters:
///   - key: resource Id ，unique every request
///   - property: extra property
open func startResource(withKey key: String, property: [AnyHashable : Any]?)

/// resource stop
///
/// - Parameters:
///   - key: resource Id ，unique every request
open func stopResource(withKey key: String)

/// resource stop
/// - Parameters:
///   - key: resource Id ，unique every request
///   - property: extra property
open func stopResource(withKey key: String, property: [AnyHashable : Any]?)

/// append network metrics and content data
///
/// - Parameters:
///   - key: resource Id ，unique every request
///   - metrics: request performance attributes
///   - content: request data
open func addResource(withKey key: String, metrics: FTResourceMetricsModel?, content: FTResourceContentModel)

//step 1： Before the network request starts
[[FTExternalDataManager sharedManager] startResourceWithKey:key];

//step 2：Request completed
[[FTExternalDataManager sharedManager] stopResourceWithKey:key];

//step 3：① Add resource data
//FTResourceContentModel 
FTResourceContentModel *content = [[FTResourceContentModel alloc]init];
content.httpMethod = request.HTTPMethod;
content.requestHeader = request.allHTTPHeaderFields;
content.responseHeader = httpResponse.allHeaderFields;
content.httpStatusCode = httpResponse.statusCode;
content.responseBody = responseBody;
//ios native
content.error = error;

//② If the performance data of the network request can be obtained
//FTResourceMetricsModel
//ios native. Get NSURLSessionTaskMetrics data, directly use the initialization method of FTResourceMetricsModel
FTResourceMetricsModel *metricsModel = [[FTResourceMetricsModel alloc]initWithTaskMetrics:metrics];

//other platforms. All time data in nanoseconds
FTResourceMetricsModel *metricsModel = [[FTResourceMetricsModel alloc]init];

// step 4：add resource： If there is no performance data, the metrics parameter is set to nil
[[FTExternalDataManager sharedManager] addResourceWithKey:key metrics:metricsModel content:content];

//step 1： Before the network request starts
FTExternalDataManager.shared().startResource(withKey: key)

//step 2：Request completed
FTExternalDataManager.shared().stopResource(withKey: resource.key)

//step 3：① Add resource data
let contentModel = FTResourceContentModel(request: task.currentRequest!, response: task.response as? HTTPURLResponse, data: resource.data, error: error)

//② If the performance data of the network request can be obtained
//FTResourceMetricsModel
//ios native. Get NSURLSessionTaskMetrics data, directly use the initialization method of FTResourceMetricsModel
var metricsModel:FTResourceMetricsModel?
if let metrics = resource.metrics {
   metricsModel = FTResourceMetricsModel(taskMetrics:metrics)
}
//other platforms. All time data in nanoseconds
metricsModel = FTResourceMetricsModel()
...

// step 4：add resource： If there is no performance data, the metrics parameter is set to nil
FTExternalDataManager.shared().addResource(withKey: resource.key, metrics: metricsModel, content: contentModel)

//  FTMobileAgent.h
//  FTMobileSDK

/// add log
/// @param content Log content, which can be a json string
/// @param status  Log Level (info、warning、error、critical、ok). 
-(void)logging:(NSString *)content status:(FTStatus)status;

/// add log
/// @param content Log content, which can be a json string
/// @param status  Log Level (info、warning、error、critical、ok). 
/// @param property Extra Property (optional)
-(void)logging:(NSString *)content status:(FTLogStatus)status property:(nullable NSDictionary *)property;

//
//  FTLogger.h
//  FTMobileSDK

/// add info type log
/// - Parameters:
///   - content: Log content, which can be a json string
///   - property: Extra Property (optional)
-(void)info:(NSString *)content property:(nullable NSDictionary *)property;

/// add warning type log
/// - Parameters:
///   - content: Log content, which can be a json string
///   - property: Extra Property (optional)
-(void)warning:(NSString *)content property:(nullable NSDictionary *)property;

/// add error type log
/// - Parameters:
///   - content: Log content, which can be a json string
///   - property: Extra Property (optional)
-(void)error:(NSString *)content  property:(nullable NSDictionary *)property;

/// add critical type log
/// - Parameters:
///   - content: Log content, which can be a json string
///   - property: Extra Property (optional)
-(void)critical:(NSString *)content property:(nullable NSDictionary *)property;

/// add ok type log
/// - Parameters:
///   - content: Log content, which can be a json string
///   - property: Extra Property (optional)
-(void)ok:(NSString *)content property:(nullable NSDictionary *)property;

open class FTMobileAgent : NSObject {
/// add log
///
/// - Parameters:
///   - content: Log content, can be a json string
///   - status: Log Level (info、warning、error、critical、ok). 
open func logging(_ content: String, status: FTLogStatus)

/// add log
/// - Parameters:
///   - content: Log content, can be a json string
///   - status: Log Level (info、warning、error、critical、ok). 
///   - property: Extra Property (optional)
open func logging(_ content: String, status: FTLogStatus, property: [AnyHashable : Any]?)
}

open class FTLogger : NSObject, FTLoggerProtocol {}
public protocol FTLoggerProtocol : NSObjectProtocol {
/// add info type log
/// - Parameters:
///   - content: Log content, can be a json string
///   - property: Extra Property (optional)
optional func info(_ content: String, property: [AnyHashable : Any]?)

/// add warning type log
/// - Parameters:
///   - content: Log content, can be a json string
///   - property: Extra Property (optional)
optional func warning(_ content: String, property: [AnyHashable : Any]?)

/// add error type log
/// - Parameters:
///   - content:  Log content, can be a json string
///   - property: Extra Property (optional)
optional func error(_ content: String, property: [AnyHashable : Any]?)

/// add critical type log
/// - Parameters:
///   - content:  Log content, can be a json string
///   - property: Extra Property (optional)
optional func critical(_ content: String, property: [AnyHashable : Any]?)

/// add ok type log
/// - Parameters:
///   - content: Log content, can be a json string
///   - property: Extra Property (optional)
optional func ok(_ content: String, property: [AnyHashable : Any]?)
}

/// log level
typedef NS_ENUM(NSInteger, FTLogStatus) {
    /// info
    FTStatusInfo         = 0,
    /// warning
    FTStatusWarning,
    /// error
    FTStatusError,
    /// critical
    FTStatusCritical,
    /// ok
    FTStatusOk,
};

/// log level
public enum FTLogStatus : Int, @unchecked Sendable {
    /// info
    case statusInfo = 0
    /// warning
    case statusWarning = 1
    /// error
    case statusError = 2
    /// critical
    case statusCritical = 3
    /// ok
    case statusOk = 4
}

// Method 1：Use FTMobileAgent
// Note: Ensure that the SDK has been successfully initialized at the time of use, otherwise failure will be asserted in the test environment resulting in a crash.
[[FTMobileAgent sharedInstance] logging:@"test_custom" status:FTStatusInfo];

// Method 2：Use FTLogger （recommend）
// If the SDK is not initialized successfully, calling the methods in FTLogger to add custom logs will fail, but there will be no assertion failure crash.
[[FTLogger sharedInstance] info:@"test" property:@{@"custom_key":@"custom_value"}];

// Method 1：Use FTMobileAgent
// Note: Ensure that the SDK has been successfully initialized at the time of use, otherwise failure will be asserted in the test environment resulting in a crash.
FTMobileAgent.sharedInstance().logging("contentStr", status: .statusInfo, property:["custom_key":"custom_value"])

// Method 2：Use FTLogger （recommend）
// If the SDK is not initialized successfully, calling the methods in FTLogger to add custom logs will fail, but there will be no assertion failure crash.
FTLogger.shared().info("contentStr", property: ["custom_key":"custom_value"])

NSString *key = [[NSUUID UUID]UUIDString];
NSURL *url = [NSURL URLWithString:@"http://www.baidu.com"];
//manual operation required： Get trace header before the request and add it to the request header
NSDictionary *traceHeader = [[FTTraceManager sharedInstance] getTraceHeaderWithKey:key url:url];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
if (traceHeader && traceHeader.allKeys.count>0) {
    [traceHeader enumerateKeysAndObjectsUsingBlock:^(id field, id value, BOOL * __unused stop) {
        [request setValue:value forHTTPHeaderField:field];
    }];
}
NSURLSession *session=[NSURLSession sessionWithConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration] delegate:self delegateQueue:[NSOperationQueue mainQueue]];

NSURLSessionTask *task = [session dataTaskWithRequest:request completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
   //your code
}];

[task resume];

let url:URL = NSURL.init(string: "https://www.baidu.com")! as URL
if let traceHeader = FTExternalDataManager.shared().getTraceHeader(withKey: NSUUID().uuidString, url: url) {
     let request = NSMutableURLRequest(url: url)
    //manual operation required： Get trace header before the request and add it to the request header
     for (a,b) in traceHeader {
         request.setValue(b as? String, forHTTPHeaderField: a as! String)
     }
     let task = URLSession.shared.dataTask(with: request as URLRequest) {  data,  response,  error in
        //your code
     }
     task.resume()
}

id<NSURLSessionDelegate> delegate = [[FTURLSessionDelegate alloc]init];
// To add custom RUM resource properties, it is recommended that the tag name be prefixed with the project abbreviation, such as' df_tag_name '.
delegate.provider = ^NSDictionary * _Nullable(NSURLRequest *request, NSURLResponse *response, NSData *data, NSError *error) {
                NSString *body = [[NSString alloc] initWithData:request.HTTPBody encoding:NSUTF8StringEncoding];
                return @{@"df_requestbody":body};
            };
// Provide a block to modify a URL request.Can be used for custom link tracing.
delegate.requestInterceptor = ^NSURLRequest * _Nonnull(NSURLRequest * _Nonnull request) {
            NSDictionary *traceHeader = [[FTExternalDataManager sharedManager] getTraceHeaderWithUrl:request.URL];
            NSMutableURLRequest *newRequest = [request mutableCopy];
            if(traceHeader){
                for (NSString *key in traceHeader.allKeys) {
                    [newRequest setValue:traceHeader[key] forHTTPHeaderField:key];
                }
            }
            return newRequest;
        };            
NSURLSession *session = [NSURLSession sessionWithConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration] delegate:delegate delegateQueue:nil];

let delegate = FTURLSessionDelegate.init()
// To add custom RUM resource properties, it is recommended that the tag name be prefixed with the project abbreviation, such as' df_tag_name '.
delegate.provider = { request,response,data,error in
            var extraData:Dictionary<String, Any> = Dictionary()
            if let data = data,let requestBody = String(data: data, encoding: .utf8) {
                extraData["df_requestBody"] = requestBody
            }
            if let error = error {
                extraData["df_error"] = error.localizedDescription
            }
            return extraData
        }
// Provide a block to modify a URL request.Can be used for custom link tracing.
delegate.requestInterceptor = { request in
            var mutableRequest = request
            if let traceHeader = FTExternalDataManager.shared().getTraceHeader(with: request.url!){
                for (key,value) in traceHeader {
                    mutableRequest.setValue(value as? String, forHTTPHeaderField: key as! String)
                }
            }
            return mutableRequest
        }        
let session =  URLSession.init(configuration: URLSessionConfiguration.default, delegate:delegate 
, delegateQueue: nil)

@interface InstrumentationInheritClass:FTURLSessionDelegate
@property (nonatomic, strong) NSURLSession *session;
@end
@implementation InstrumentationInheritClass
-(instancetype)init{
    self = [super init];
    if(self){
        _session = [NSURLSession sessionWithConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration] delegate:self delegateQueue:nil];
        // To add custom RUM resource properties, it is recommended that the tag name be prefixed with the project abbreviation, such as' df_tag_name '.
        self.provider = ^NSDictionary * _Nullable(NSURLRequest *request, NSURLResponse *response, NSData *data, NSError *error) {
        NSString *body = [[NSString alloc] initWithData:request.HTTPBody encoding:NSUTF8StringEncoding];
        return @{@"df_requestbody":body};
    };
        // Provide a block to modify a URL request.Can be used for custom link tracing.
       self.requestInterceptor = ^NSURLRequest * _Nonnull(NSURLRequest * _Nonnull request) {
            NSDictionary *traceHeader = [[FTExternalDataManager sharedManager] getTraceHeaderWithUrl:request.URL];
            NSMutableURLRequest *newRequest = [request mutableCopy];
            if(traceHeader){
                for (NSString *key in traceHeader.allKeys) {
                    [newRequest setValue:traceHeader[key] forHTTPHeaderField:key];
                }
            }
            return newRequest;
        }; 
    }
    return self;
}
-(void)URLSession:(NSURLSession *)session task:(NSURLSessionTask *)task didFinishCollectingMetrics:(NSURLSessionTaskMetrics *)metrics{
    // must call super
    [super URLSession:session task:task didFinishCollectingMetrics:metrics];
    // Your own logic
    // ......
}
@end

class InheritHttpEngine:FTURLSessionDelegate {
    var session:URLSession?
    override init(){
        session = nil
        super.init()
        let configuration = URLSessionConfiguration.default
        configuration.timeoutIntervalForRequest = 30
        session = URLSession.init(configuration: configuration, delegate:self, delegateQueue: nil)
        override init() {
        super.init()
        // To add custom RUM resource properties, it is recommended that the tag name be prefixed with the project abbreviation, such as' df_tag_name '.
        provider = { request,response,data,error in
            var extraData:Dictionary<String, Any> = Dictionary()
            if let data = data,let requestBody = String(data: data, encoding: .utf8) {
                extraData["df_requestBody"] = requestBody
            }
            if let error = error {
                extraData["df_error"] = error.localizedDescription
            }
            return extraData
        }
        //Provide a block to modify a URL request .Can be used for custom link tracing.
        requestInterceptor = { request in
            var mutableRequest = request
            if let traceHeader = FTExternalDataManager.shared().getTraceHeader(with: request.url!){
                for (key,value) in traceHeader {
                    mutableRequest.setValue(value as? String, forHTTPHeaderField: key as! String)
                }
            }
            return mutableRequest
        }
    }
    }

    override func urlSession(_ session: URLSession, task: URLSessionTask, didFinishCollecting metrics: URLSessionTaskMetrics) {
        // must call super
        super.urlSession(session, task: task, didFinishCollecting: metrics)
        // Your own logic
        // ......
    }
}

@interface InstrumentationPropertyClass:NSObject<NSURLSessionDataDelegate,FTURLSessionDelegateProviding>
@property (nonatomic, strong) FTURLSessionDelegate *ftURLSessionDelegate;
@end
@implementation InstrumentationPropertyClass

- (nonnull FTURLSessionDelegate *)ftURLSessionDelegate {
    if(!_ftURLSessionDelegate){
        _ftURLSessionDelegate = [[FTURLSessionDelegate alloc]init];
        //To add custom RUM resource properties, it is recommended that the tag name be prefixed with the project abbreviation, such as' df_tag_name '.
        _ftURLSessionDelegate.provider =  ^NSDictionary * _Nullable(NSURLRequest *request, NSURLResponse *response, NSData *data, NSError *error) {
                NSString *body = [[NSString alloc] initWithData:request.HTTPBody encoding:NSUTF8StringEncoding];
                return @{@"df_requestbody":body};
            };
            // Tells the `ftURLSessionDelegate` to modify a URL request.Can be used for custom link tracing.
        _ftURLSessionDelegate.requestInterceptor = ^NSURLRequest * _Nonnull(NSURLRequest * _Nonnull request) {
            NSDictionary *traceHeader = [[FTExternalDataManager sharedManager] getTraceHeaderWithUrl:request.URL];
            NSMutableURLRequest *newRequest = [request mutableCopy];
            if(traceHeader){
                for (NSString *key in traceHeader.allKeys) {
                    [newRequest setValue:traceHeader[key] forHTTPHeaderField:key];
                }
            }
            return newRequest;
        }; 
    }
    return _ftURLSessionDelegate;
}
// The following methods must be implemented
- (void)URLSession:(NSURLSession *)session dataTask:(NSURLSessionDataTask *)dataTask didReceiveData:(NSData *)data{
    [self.ftURLSessionDelegate URLSession:session dataTask:dataTask didReceiveData:data];
}
- (void)URLSession:(NSURLSession *)session task:(NSURLSessionTask *)task didCompleteWithError:(NSError *)error{
    [self.ftURLSessionDelegate URLSession:session task:task didCompleteWithError:error];
}
-(void)URLSession:(NSURLSession *)session task:(NSURLSessionTask *)task didFinishCollectingMetrics:(NSURLSessionTaskMetrics *)metrics{
    [self.ftURLSessionDelegate URLSession:session task:task didFinishCollectingMetrics:metrics];
}
@end

class HttpEngine:NSObject,URLSessionDataDelegate,FTURLSessionDelegateProviding {
    var ftURLSessionDelegate: FTURLSessionDelegate = FTURLSessionDelegate()
    var session:URLSession?

    override init(){
        session = nil
        super.init()
        let configuration = URLSessionConfiguration.default
        configuration.timeoutIntervalForRequest = 30
        session = URLSession.init(configuration: configuration, delegate:self, delegateQueue: nil)
        // To add custom RUM resource properties, it is recommended that the tag name be prefixed with the project abbreviation, such as' df_tag_name '.
        ftURLSessionDelegate.provider = { request,response,data,error in
            var extraData:Dictionary<String, Any> = Dictionary()
            if let data = data,let requestBody = String(data: data, encoding: .utf8) {
                extraData["df_requestBody"] = requestBody
            }
            if let error = error {
                extraData["df_error"] = error.localizedDescription
            }
            return extraData
        }
        // Tells the `ftURLSessionDelegate` to modify a URL request.Can be used for custom link tracing.
        ftURLSessionDelegate.requestInterceptor = { request in
            var mutableRequest = request
            if let traceHeader = FTExternalDataManager.shared().getTraceHeader(with: request.url!){
                for (key,value) in traceHeader {
                    mutableRequest.setValue(value as? String, forHTTPHeaderField: key as! String)
                }
            }
            return mutableRequest
        }
    }
    // The following methods must be implemented
    func urlSession(_ session: URLSession, dataTask: URLSessionDataTask, didReceive data: Data) {
        ftURLSessionDelegate.urlSession(session, dataTask: dataTask, didReceive: data)
    }

    func urlSession(_ session: URLSession, task: URLSessionTask, didFinishCollecting metrics: URLSessionTaskMetrics) {
        ftURLSessionDelegate.urlSession(session, task: task, didFinishCollecting: metrics)
    }

    func urlSession(_ session: URLSession, task: URLSessionTask, didCompleteWithError error: Error?) {
        ftURLSessionDelegate.urlSession(session, task: task, didCompleteWithError: error)
    }
}

/// Bind user information
///
/// - Parameters:
///   - Id:  user id
- (void)bindUserWithUserID:(NSString *)userId;

/// Bind user information
///
/// - Parameters:
///   - Id:  user id
///   - userName: user name
///   - userEmailL: user email
- (void)bindUserWithUserID:(NSString *)Id userName:(nullable NSString *)userName userEmail:(nullable NSString *)userEmail;

/// Bind user information
///
/// - Parameters:
///   - Id:  user id
///   - userName: user name
///   - userEmail: user email
///   - extra: extar infomation
- (void)bindUserWithUserID:(NSString *)Id userName:(nullable NSString *)userName userEmail:(nullable NSString *)userEmail extra:(nullable NSDictionary *)extra;

/// Unbind user information
- (void)unbindUser;

/// Bind user information
///
/// - Parameters:
///   - Id:  user id
open func bindUser(withUserID userId: String)

/// Bind user information
///
/// - Parameters:
///   - Id:  user id
///   - userName: user name
///   - userEmailL: user email
open func bindUser(withUserID Id: String, userName: String?, userEmail: String?)

/// Bind user information
///
/// - Parameters:
///   - Id:  user id
///   - userName: user name
///   - userEmail: user email
///   - extra: extar infomation
open func bindUser(withUserID Id: String, userName: String?, userEmail: String?, extra: [AnyHashable : Any]?)

/// Unbind user information
open func unbindUser()

// bind user info after log in
[[FTMobileAgent sharedInstance] bindUserWithUserID:USERID];
// or
[[FTMobileAgent sharedInstance] bindUserWithUserID:USERID userName:USERNAME userEmail:USEREMAIL];
// or
[[FTMobileAgent sharedInstance] bindUserWithUserID:USERID userName:USERNAME userEmail:USEREMAIL extra:@{EXTRA_KEY:EXTRA_VALUE}];

// clear user data after log out
[[FTMobileAgent sharedInstance] unbindUser];

// bind user info after log in
FTMobileAgent.sharedInstance().bindUser(withUserID: USERID)
// or
FTMobileAgent.sharedInstance().bindUser(withUserID: USERID, userName: USERNAME, userEmail: USEREMAIL)
// or
FTMobileAgent.sharedInstance().bindUser(withUserID: USERID, userName: USERNAME, userEmail: USEREMAIL,extra:[EXTRA_KEY:EXTRA_VALUE])

// clear user data after log out
FTMobileAgent.sharedInstance().unbindUser()

/// Close the running object inside the SDK
- (void)shutDown;

/// Close the running object inside the SDK
func shutDown()

//If you dynamically change the SDK configuration, you need to close it first to avoid the generation of wrong data
[[FTMobileAgent sharedInstance] shutDown];

//If you dynamically change the SDK configuration, you need to close it first to avoid the generation of wrong data
FTMobileAgent.sharedInstance().shutDown()

// In the main project
 FTMobileConfig *config = [[FTMobileConfig alloc]initWithMetricsUrl:url];
 config.enableSDKDebugLog = YES;
 config.groupIdentifiers = @[@"group.com.ft.widget.demo"]; 

let config = FTMobileConfig.init(metricsUrl: url)
config.enableSDKDebugLog = true
config.groupIdentifiers = ["group.com.ft.widget.demo"]

//  In the main project
/// Track Widget Extension sdk cached data 
/// - Parameters:
///   - groupIdentifier: groupIdentifier
///   - completion: completion callback
- (void)trackEventFromExtensionWithGroupIdentifier:(NSString *)groupIdentifier completion:(nullable void (^)(NSString *groupIdentifier, NSArray *events)) completion;

/// Track Widget Extension sdk cached data 
/// - Parameters:
///   - groupIdentifier: groupIdentifier
///   - completion: completion callback
open func trackEventFromExtension(withGroupIdentifier groupIdentifier: String, completion: ((String, [Any]) -> Void)? = nil)

// In the main project
-(void)applicationDidBecomeActive:(UIApplication *)application{
    [[FTMobileAgent sharedInstance] trackEventFromExtensionWithGroupIdentifier:@"group.identifier" completion:nil];
}

func applicationDidBecomeActive(_ application: UIApplication) {
FTMobileAgent.sharedInstance().trackEventFromExtension(withGroupIdentifier: "group.identifier" )     
}