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 } from '@nativescript/core'; 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.android is an Android activity class. console.log('Displayed Activity: ' + args.android); } else if (args.ios) { // For iOS applications, args.ios is UIApplication. console.log('Displayed UIApplication: ' + args.ios); } }); Application.on(Application.launchEvent, function (args: ApplicationEventData) { 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((args.error).nativeException || (args.error).nativeError); console.log((args.error).stackTrace || (args.error).stack); }); Application.on(Application.discardedErrorEvent, function (args: DiscardedErrorEventData) { console.log('[Discarded] NativeScriptError: ' + args.error); console.log((args.error).nativeException || (args.error).nativeError); console.log((args.error).stackTrace || (args.error).stack); }); // Android activity events. if (Application.android) { Application.android.on(AndroidApplication.activityCreatedEvent, function (args: AndroidActivityBundleEventData) { console.log('Event: ' + args.eventName + ', Activity: ' + args.activity + ', Bundle: ' + args.bundle); }); Application.android.on(AndroidApplication.activityDestroyedEvent, function (args: AndroidActivityEventData) { console.log('Event: ' + args.eventName + ', Activity: ' + args.activity); }); Application.android.on(AndroidApplication.activityStartedEvent, function (args: AndroidActivityEventData) { console.log('Event: ' + args.eventName + ', Activity: ' + args.activity); }); Application.android.on(AndroidApplication.activityPausedEvent, function (args: AndroidActivityEventData) { console.log('Event: ' + args.eventName + ', Activity: ' + args.activity); }); Application.android.on(AndroidApplication.activityResumedEvent, function (args: AndroidActivityEventData) { console.log('Event: ' + args.eventName + ', Activity: ' + args.activity); }); Application.android.on(AndroidApplication.activityStoppedEvent, function (args: AndroidActivityEventData) { console.log('Event: ' + args.eventName + ', Activity: ' + args.activity); }); Application.android.on(AndroidApplication.saveActivityStateEvent, function (args: AndroidActivityBundleEventData) { console.log('Event: ' + args.eventName + ', Activity: ' + args.activity + ', Bundle: ' + args.bundle); }); Application.android.on(AndroidApplication.activityResultEvent, function (args: AndroidActivityResultEventData) { console.log('Event: ' + args.eventName + ', Activity: ' + args.activity + ', requestCode: ' + args.requestCode + ', resultCode: ' + args.resultCode + ', Intent: ' + args.intent); }); Application.android.on(AndroidApplication.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(AndroidApplication.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' });