NativeScript/apps/automated/src/main.ts

let start;
if (typeof NSDate !== 'undefined') {
	start = NSDate.date();
} else {
	start = java.lang.System.currentTimeMillis();
}

import {
	Application,
	ApplicationEventData,
	UnhandledErrorEventData,
	DiscardedErrorEventData,
	AndroidActivityBundleEventData,
	AndroidActivityEventData,
	AndroidApplication,
	AndroidActivityNewIntentEventData,
	AndroidActivityResultEventData,
	AndroidActivityBackPressedEventData,
	Label,
	LaunchEventData,
} from '@nativescript/core';

// import * as Application from "@nativescript/core/application";

if (Application.ios) {
	// Observe application notifications.
	Application.ios.addNotificationObserver(
		UIApplicationDidFinishLaunchingNotification,
		(notification: NSNotification) => {
			console.log('UIApplicationDidFinishLaunchingNotification:', notification);
		}
	);
}

// Common events for both Android and iOS.
Application.on(Application.displayedEvent, function (args: ApplicationEventData) {
	global.isDisplayedEventFired = true;

	if (args.android) {
		// For Android applications, args.activity is an Android activity class.
		console.log('Displayed Activity:', (args as AndroidActivityEventData).activity);
	} else if (args.ios) {
		// For iOS applications, args.ios is UIApplication.
		console.log('Displayed UIApplication:', args.ios);
	}
});

Application.on(Application.launchEvent, function (args: LaunchEventData) {
	if (args.android) {
		// For Android applications, args.android is an android.content.Intent class.
		console.log('Launched Android application with the following intent:', args.android);
	} else if (args.ios !== undefined) {
		// For iOS applications, args.ios is NSDictionary (launchOptions).
		console.log('Launched iOS application with options:', args.ios);
	}
});

Application.on(Application.suspendEvent, function (args: ApplicationEventData) {
	if (args.android) {
		// For Android applications, args.android is an Android activity class.
		console.log('Suspend Activity:', args.android);
	} else if (args.ios) {
		// For iOS applications, args.ios is UIApplication.
		console.log('Suspend UIApplication:', args.ios);
	}
});

Application.on(Application.resumeEvent, function (args: ApplicationEventData) {
	if (args.android) {
		// For Android applications, args.android is an Android activity class.
		console.log('Resume Activity:', args.android);
	} else if (args.ios) {
		// For iOS applications, args.ios is UIApplication.
		console.log('Resume UIApplication:', args.ios);
	}
});

Application.on(Application.exitEvent, function (args: ApplicationEventData) {
	if (args.android) {
		// For Android applications, args.android is an Android activity class.
		console.log('Exit Activity:', args.android);
	} else if (args.ios) {
		// For iOS applications, args.ios is UIApplication.
		console.log('Exit UIApplication:', args.ios);
	}
});

Application.on(Application.lowMemoryEvent, function (args: ApplicationEventData) {
	if (args.android) {
		// For Android applications, args.android is an Android activity class.
		console.log('Low Memory:', args.android);
	} else if (args.ios) {
		// For iOS applications, args.ios is UIApplication.
		console.log('Low Memory:', args.ios);
	}
});

// Error events.
Application.on(Application.uncaughtErrorEvent, function (args: UnhandledErrorEventData) {
	console.log('NativeScriptError:', args.error);
	console.log((<any>args.error).nativeException ?? (<any>args.error).nativeError);
	console.log((<any>args.error).stackTrace ?? (<any>args.error).stack);
});

Application.on(Application.discardedErrorEvent, function (args: DiscardedErrorEventData) {
	console.log('[Discarded] NativeScriptError:', args.error);
	console.log((<any>args.error).nativeException ?? (<any>args.error).nativeError);
	console.log((<any>args.error).stackTrace ?? (<any>args.error).stack);
});

// Android activity events.
if (Application.android) {
	Application.android.on(
		Application.android.activityCreatedEvent,
		function (args: AndroidActivityBundleEventData) {
			console.log(
				'Event: ' + args.eventName + ', Activity:',
				args.activity,
				', Bundle:',
				args.bundle
			);
		}
	);

	Application.android.on(
		Application.android.activityDestroyedEvent,
		function (args: AndroidActivityEventData) {
			console.log('Event: ' + args.eventName + ', Activity: ', args.activity);
		}
	);

	Application.android.on(
		Application.android.activityStartedEvent,
		function (args: AndroidActivityEventData) {
			console.log('Event: ' + args.eventName + ', Activity:', args.activity);
		}
	);

	Application.android.on(
		Application.android.activityPausedEvent,
		function (args: AndroidActivityEventData) {
			console.log('Event: ' + args.eventName + ', Activity:', args.activity);
		}
	);

	Application.android.on(
		Application.android.activityResumedEvent,
		function (args: AndroidActivityEventData) {
			console.log('Event: ' + args.eventName + ', Activity:', args.activity);
		}
	);

	Application.android.on(
		Application.android.activityStoppedEvent,
		function (args: AndroidActivityEventData) {
			console.log('Event: ' + args.eventName + ', Activity:', args.activity);
		}
	);

	Application.android.on(
		Application.android.saveActivityStateEvent,
		function (args: AndroidActivityBundleEventData) {
			console.log(
				'Event: ' + args.eventName + ', Activity:',
				args.activity,
				', Bundle:',
				args.bundle
			);
		}
	);

	Application.android.on(
		Application.android.activityResultEvent,
		function (args: AndroidActivityResultEventData) {
			console.log(
				'Event:',
				args.eventName,
				', Activity:',
				args.activity,
				', requestCode: ',
				args.requestCode,
				', resultCode: ',
				args.resultCode,
				', Intent: ',
				args.intent
			);
		}
	);

	Application.android.on(
		Application.android.activityBackPressedEvent,
		function (args: AndroidActivityBackPressedEventData) {
			console.log('Event:', args.eventName, ', Activity:', args.activity);
			// Set args.cancel = true to cancel back navigation and do something custom.
		}
	);

	Application.android.on(
		Application.android.activityNewIntentEvent,
		function (args: AndroidActivityNewIntentEventData) {
			console.log(
				'Event: ',
				args.eventName,
				', Activity:',
				args.activity,
				', Intent:',
				args.intent
			);
		}
	);
}

let time;
if (typeof NSDate !== 'undefined') {
	time = NSDate.date().timeIntervalSinceDate(start) * 1000;
} else {
	time = java.lang.System.currentTimeMillis() - start;
}

console.log(`TIME TO LOAD APP: ${time} ms`);

Application.run({ moduleName: 'app-root' });