Lock screen apps have been around for as long as I can tell, and they have evolved a lot. MainApplication. The lock screen is usually protected by a security method, such as a pin, a pattern or a fingerprint. You can change the phone's ringtone, theme, wallpaper and among others. A timer with: Lock screen operation for quick access via lock screen notifications (Android 5. Original Answer was: You need to get Admin permission and you can lock phone screen. You can make really great animated and attractive splash screen with GIF. Android SDK offers to developers a specific API, the Device Administration API, letting their users to lock the device screen directly inside an application. Something about the stock Android lockscreen made me not like it. Update your AndroidManifest. An easy-to-use, customizable, Material Design complaint Pattern Lock view for Android. Android - Login Screen - A login application is the screen asking your credentials to login to some particular application. It seems to be used only on the lock screen. There is no "lock screen image" in Android. Unlock your Android lock screen pattern with your Google Login (only Android 4. Nobody you work with needs to see that photo from when you dressed as Ulala from Space Channel 5 for Halloween 2000. If you do use a lock screen, you can use lock-screen widgets for quick, convenient access to information and apps on your lock screen. This article explains screen orientation in Android. Android users are always looking for a way to change the look of their device by changing launchers, wall papers, home screen widgets, font and apps icons. That said, System Tuner is still present in Android O and it has a new experimental feature that lets you edit lock screen shortcuts in Android 8. The Android lock screen has evolved many times over the years. But, when you wish to use the Google account for unlocking, it will be possible only when you have previously set and signed up Google account before the phone was actually locked. This wikiHow teaches you how to protect your Android's lock screen with a password, PIN, or pattern. Lookout's Incorrect Password feature for Theft Alerts takes a photo through Android's lock screen. The lock screen widgets introduced in Android 4. Some OEMs will let you change these to what you want, but most do not since the feature isn’t baked into the Android O. Follow the same steps as above until creation of SplashScreen. Creating New Android Project (Login Screen Design In Android Studio) Create a new project in Android Studio File–>New–>New Project. An easy-to-use, customizable, Material Design complaint Pattern Lock view for Android. An email regarding your password change has been sent to your email address. For those that own the new Huawei smartphone, you may want to know how to change Huawei P10 lock screen picture. fone - Android Lock Screen Removal is a direct way to Android reset password and unlock the phone. When you forgot pattern, Pin or password on Android phone, don't worry, there are many solutions for you to choose. However, as long as you're willing to enable root, download a file explorer and then rename/move a file around, then I will show you exactly how to change the lock screen wallpaper for CM12. This kind of lock is used in all smartphones. Android Studio lock unlock file make read only or writable. Android Studio can be installed from its source code but in this quick post, we shall see how to install Android Studio in Ubuntu 18. An easy-to-use, customizable, Material Design complaint Pattern Lock view for Android. Here is How to Customize the Clock Widget on Lock Screen of Android 4. This process will not damage any of your sensitive data. To gain access to your Android, either reset your PIN or password remotely, root your phone to change its settings, or reset the phone. The festival of Samhain is a celebration of the end of the harvest season. To screenshot lock screen on Android simply press and hold the "Power" + "Volume down" buttons simultaneously, or press "Power" + "Home" keys on Samsung phones. 0), then there's a faster way to unlock a lock screen pattern. fone will begin to unlock your Android devices. The debugger crashed when debugging a layout with a text box. Each screen in your app that's not the main entry point, which are all the screens that aren't the home screen, must provide navigation that directs the user to the logical parent screen in the app's hierarchy. Step 2 – Add components in the main activity as shown in the picture below. Android Studio can be installed from its source code but in this quick post, we shall see how to install Android Studio in Ubuntu 18. Offers ability to pick images from Phone, Google Drive and similar sources. 0), then there’s a faster way to unlock a lock screen pattern. How to Unlock Android Phone to Bypass Forgot ten Password, PIN or Pattern Lock. My phone is running android 4. Here are the steps on how to project the screen on Windows and Mac. We have already talked so much about Android launchers and we also showed you 4 simple ways to change fonts on Android. An easy-to-use, customizable, Material Design complaint Pattern Lock view for Android. So, Lockscreen as wallpaper is another best lock screen and desktop wallpaper apps for Windows 10. Simply change the default launcher back to Google Now Launcher, follow the steps below to change your wallpapers and then switch back to your third-party launcher. You can create apps for Android devices including phones, tablets, and now wearables like Smart Watches with RAD Studio. [Solved]Forgotten the Password of the Lock Screen --Tuesday, March 11, 2014 People like to set up pattern lock to keep the privacy data like pictures, messages, contacts in the phone from being checked by familiars or strangers. Android emulator by defaults starts with portrait mode same as our android mobile phones but some times developer want to change the android emulator screen orientation by moving portrait screen mode to landscape mode so here is the complete step by step tutorial for Change screen. This page introduces you easy Android broken screen data recovery solution - recover data from Android phone with broken screen from AutoPlay and shows you how to recover files using third-party Android data recovery software in some other data loss cases. You can change your lock screen wallpaper individually with other means, but we'll get to that later. How to Change or Remove Lock Screen Shortcuts on Android 6, 7 2016-10-14 by tune · Lock Screen Shortcuts allow you to access a definite app directly from the Lock Screen. 1 Lollipop in particular, screen lock has always been a reasonable and urgent need. In this exercise, the background color is changed, controlled by SeekBar. Do you know how to use the rotation toggle to change and lock screen orientation in Android Pie update for Galaxy S9 and S9+?. by default, the Samsung Galaxy S7 has the phone and camera app icons on the lock screen for easy access. I have a small Android app written with Delphi 10. 4 devices you will need to turn this on. For some, a. Android Community is obsessed with all things Android, covering phones, tablets, apps and hacks to get the best out of Google's OS. Each time you turn on your device or wake up the screen, you'll be asked to unlock your device, usually with a PIN, pattern,. We often see Settings screen in many android apps through which you can configure the app preferences on your choice. Frequent use to turn the screen on/off can easily damage the phone's hardware power button. Android has another operating system, Trusty OS, within it, as a part of "Trusty" "software components supporting a Trusted Execution Environment (TEE) on mobile devices. How to change default lock screen image in Windows 10 In Windows 10, the lock screen image is shown in a number of cases. Beautiful functional design is key to success of a mobile application. MainApplication. If you happen to own an Android device running version 5. One of the best things about Android tablets and phones is how customizable they are. Android Studio crashed during fragment transitions when using profilers. However, not many people know that it is also possible to change the DPI of an Android device without using root. The Android OS is beloved by a lot of people because of its unlimited customization option. 0 Lollipop or later, then you can save some time with a handy feature called Smart Lock which can automatically unlock your phone without. Android is a mobile operating system meant to be run on a wide array of devices, with very different hardware configurations. 0, Google altered how their lockscreen looks in AOSP, presumably to increase readability: Digital clock is smaller Digital clock uses a bolder font, presumably Roboto Mediu. KeyguardAffordanceHelper. myapplication as explained in the Hello World Example chapter. How To Change API SDK Level In Android Studio Basically, API level means the Android version. How to Unlock Android Phone If Forgot Password, Pattern Lock, or Broken Screen “I just got my phone broken with screen cracked. Android provides basic layouts and controls that you can use to create your app's user interface. Before reading this article, I always pressed the “just once” button, so I wasn’t locked into a. Select “Left shortcut” or “Right shortcut” as desired. In this Android tutorial, let us work on designing a clean and lovable login screen for an Android app. 【It has more than 1,900,000 downloads, thank you for your support!】 Just one touch to turn off and lock the screen. Try an app that sticks notifications the on lock screen. Another situation is that users have set up a screen lock on their device but forget them. If you don't like your default theme and background, then there's good news—it's not hard to change the picture on your lock screen in Android so that you can have whatever image you want as your background. In this chapter, we will demonstrate how to access Android phone with broken screen and retrieve data from it so that you can restore them on your new phone. Lock screen 19 Android Beam 20 Tap & pay 21 Printing 21 File storage 22 Android Device Manager 24 Screenshots 24. Try an app that sticks notifications the on lock screen. It is important for us to understand why we might want to lock a screen to a particular orientation in android. Which is the best? The "best" one is not just the most secure, but also the convenient one. The Screen. If you're returning, replacing or selling your phone the lock should be disabled beforehand. Nowadays smartphones are coming with inbuilt finger print scanners which adds another layer of security for smartphone users like Samsung galaxy s5, one plus 5, galaxy s8. In Android, an activity is represent a single screen. This defines for which version you are targeting your application and what is going to be the minimum level of android version in your application will run. And, with the help of numerous apps out there, you can assign your own actions to the button, like, for example, turning your Android’s screen on and off! These Quick Buttons range anywhere from $2 to $20 a pop , but, to be honest, price doesn’t really matter here, since all you really want to do is turn it into another way to turn your. This tutorial uses Android Studio to help you get started programming your robot. Now you can restart your phone and you can access the device without entering pattern lock. Lock screen 18 Android Beam 20 Tap & pay 20 Printing 21 Chromecast 22 File storage 23 settings, or change screen order, touch & hold the back-ground of any Home screen. I’m all for customizing Android, from the most basic of launcher elements to the most precise of custom Google Assistant Routines, but even I have to draw the line at lock screen customization. Develop Android Applications with RAD Studio. What we need to do is, we will get the screen orientation change (rotation change) event, then both for landscape and portrait mode event, we will set ether landscape or portrait mode as per our requirement. Set up owner info on your android Nougat 7. AirDroid 3 blurs device lines even further with new PC and Mac clients, Android screen mirroring. On order to change system screen brightness, we can use the code:. Create an Android Splash Screen using Android Studio. In this article, we are going learn how to add Swipe Lock functionality to an Android application using Android Studio. Android is a mobile operating system meant to be run on a wide array of devices, with very different hardware configurations. Play a song from your stock music player app (the one which was originally included in your mobile) and play a song. Develop Android Applications with RAD Studio. You can choose specific lock screen widgets to access key. Android users have had access to live wallpapers since the Eclair days, but some newer apps have made this feature even more useful. The Free features are free forever. [Solved]Forgotten the Password of the Lock Screen --Tuesday, March 11, 2014 People like to set up pattern lock to keep the privacy data like pictures, messages, contacts in the phone from being checked by familiars or strangers. The project that Mr. Hence, when this task was given to me, I thought it would be a 2 min fix. Now with MagicLocker, a nifty application for Android, you can change the lock screen of your Android smartphone without the tension of rooting and modification via recovery, and all this in a. You can safely save it to your bookmarks as it will always be updated from time to time according to any new release/information. This page introduces you easy Android broken screen data recovery solution - recover data from Android phone with broken screen from AutoPlay and shows you how to recover files using third-party Android data recovery software in some other data loss cases. But unfortunately it took much longer than I expected. From the palette, drag a button to the MainActivity screen. As it turns out, there are also a. Android Tutorials, all adb commands to remove frp, all fastboot commands to remove frp, adb commands to remove google lock, adb command to remove frp on samsung, fastboot command to remove frp, All ADB And Fastboot Commands To Remove Google Account Lock (FRP Lock) On Android Phones - Sombex's Tech Blog. The screen orientation attribute is provided by the activity element in the Android Manifest. 3 devices, lock screen widgets are enabled by default. In this post we provide you simple and latest tutorial for bypass and remove android pattern lock if you forget the password of your android mobile. By this method you can read somebody’s whatsapp messages or even see their gallery pictures. If you do not want to use the Android lock screen, please disable it through the Lock Screen settings of the device. You can choose from your own photos, use an image that. 2 Jelly Bean to 4. Here’s how to set a picture on your lock screen: Unlock your phone and hold an empty area of your home screen. In this article, we are going learn how to add Swipe Lock functionality to an Android application using Android Studio. Lock screen shortcuts are the apps that you can launch by swiping left or right on your lock screen. Certain manufacturers allow this or similar types of changes even if you don’t have 6. It can offer PIN, pattern, password, and fingerprint-based security. ) Here is a screen from a simple app. Open App->values->colors. Aesthetics is critical in mobile world. How to Unlock Android Phone to Bypass Forgot ten Password, PIN or Pattern Lock. Every android user must be familiar with Pattern/PIN lock/Face Recognition, a security feature which ensures authorized access to their devices. Change Android Device Name from Settings. 0, like Samsung. java file extension isn't shown). But did you know there are 4 different ways you can lock your Windows 10 screen?. A dialog box will pop up with three options, select the move package option and then click ok. The first thing to do is change the default shortcuts found on the Galaxy S7's lock screen. It can provide tons of information and you can design it in fun ways, you can't even. See it in the Google Play store. The complete description of how to unlock android phone patterns is given below: Pattern lock screen is a user interface that can help you in reducing the sudden access to your android devices without enabling the permission of the administrator. Show grid file_download Download ZIP. LayoutParams. Android is a mobile operating system meant to be run on a wide array of devices, with very different hardware configurations. Keep in mind that Android controls the way the permissions are named, and the way they’re named doesn’t necessarily reflect the way the Facebook app uses them. How to change the lock screen wallpaper in Android Nougat Even if you have a different launcher as your daily driver, you don't need to completely give up on it. This can come in handy in android apps and games especially when we need to design an intro activity or menu activity. How to customize your Android home button shortcut me to lock the screen, flip between regular used apps and quick settings and has a home screen button. This process will not damage any of your sensitive data. Screen you opened is 22 version. Swipe down from the top of the screen to check. Create an Android Splash Screen using Android Studio. The first thing to do is change the default shortcuts found on the Galaxy S7's lock screen. Well, now that you know the problems and disadvantages of creating a pseudo lock screen, let's get to what this post is really about: system-level lock screens. Password Protect Files and Folders in Android Phone. Lookout's Incorrect Password feature for Theft Alerts takes a photo through Android's lock screen. Beautiful functional design is key to success of a mobile application. Once the recovery files are downloaded, the software will automatically attempt to start reseting the password from your Android and when it's done, you will be able to see the following screen. Additionally, most of them are quite unstable, running as services that use the SYSTEM_ALERT_WINDOW permission to draw themselves–or create overlays–over other apps, effectively simulating a lock screen. You can change the phone’s ringtone, theme, wallpaper and among others. MainApplication. What we need to do is, we will get the screen orientation change (rotation change) event, then both for landscape and portrait mode event, we will set ether landscape or portrait mode as per our requirement. The complete description of how to unlock android phone patterns is given below: Pattern lock screen is a user interface that can help you in reducing the sudden access to your android devices without enabling the permission of the administrator. 0 or Newer Phones. For instance, if you locked your user session using Win+L or by clicking the user image in the Start Menu, the lock screen image will appear and show the image which is set in your Settings -> Personalization -> Lock screen. In android Oreo 8. Android Screen Lock Bypass: Reset Using Google Account. Android - Get screen width and height In Android, WindowManager is available to every Activity. Bypass Android Pattern Lockscreen using CMD. ] Applications for the Trusty OS can be written in C/C++ (C++ support is limited), and they have access to a small C library. You can choose the desired effect you want to be played by your phone when you tap any part of the lock screen or when you unlock the screen. In this Android tutorial, let us work on designing a clean and lovable login screen for an Android app. It is a type of library which locks the screen. It is important for us to understand why we might want to lock a screen to a particular orientation in android. Another way to bypass the Android lock screen is by using the android device manager. Following the European Commission’s July 2018 Android decision, Google is implementing a choice screen for general search providers on all Android phones and tablets shipped into the European Economic Area (EEA) where the Google Search app is pre-installed. Search, filter and sort your library to rapidly find the songs you are looking for. This wikiHow teaches you how to change the background of your Android's lock screen. Add Colors. If you do use a lock screen, you can use lock-screen widgets for quick, convenient access to information and apps on your lock screen. HTC: Press Volume Down and the Power Key, then select recovery mode. This is ridiculous because of the insane number of apps that can practically change your life, yet not. Handling screen layout programmatically, locking the screen layout, controlling the activity lifecycle when the device layout changes are topics every Android developer works on when developing an application. Since their introduction in Android 4. I'm using a Galaxy S7 Edge running Android 7. Change the Screen Lock. Devices that support file-based encryption can also support Direct Boot, which allows encrypted devices to boot straight to the lock screen, thus enabling quick access to important device features like accessibility services and alarms. Here, we are going to show you how to set screen timeout on Android. Frequent use to turn the screen on/off can easily damage the phone's hardware power button. Verify that the default Project location is where you want to store your Hello World app and other Android Studio projects, or change it to your preferred directory. unlockOrientation(). 0 notification dot feature, you can see different colors dot icon in apps which indicate you missed notifications of that particular apps. The lock screen is usually protected by a security method, such as a pin, a pattern or a fingerprint. Now tap on the option Lock phone after and select the inactivity threshold limit from the pop-up. 2 Jelly Bean to 4. Team Android brings you the best of Android firmware updates, custom ROMs, apps, games, tips and tricks. Note*: Make sure that your computer is set up with ADB (Android SDK) incase you don't have the ADB or don't know how to set it up heres a YouTube tutorial for you to follow. Lock Screen. Android Screen Lock Bypass: Reset Using Google Account. Removing your Android activation lock An activation lock prevents someone else from gaining access to your phone should it be lost or stolen. But as you can only have 1 widget per screen, there is a lot of swiping involved to get through your email, text messages and Facebook updates (which kind of defeats the purpose). How to make android Activity full screen In this android tutorial, we are going to learn how to make android activity full screen. I looked under Wallpaper and it only allows to change the wallpaper which affects both the lock screen and the main wallpaper display. Unlike with Touchwiz, in stock Android you can only set the wallpaper for your home screen. Android lockscreen can be hacked using a simple text password: Overloading the software with long words makes it unlock. Meet the team. Apart from making the lock screen lively it makes you productive by helping you search, find and open apps, contacts, browser favorites and bookmarks right from the lock screen. This article is about unlocking the pattern lock in android devices. 0 or Newer Phones. In this chapter, we will demonstrate how to access Android phone with broken screen and retrieve data from it so that you can restore them on your new phone. NiLS Notifications Lock Screen is an Android app that can show notification in the lockscreen. You can set up a screen lock to help secure your Android phone or tablet. In this Android tutorial, let us work on designing a clean and lovable login screen for an Android app. You can then add another protection as you may like. HTC: Press Volume Down and the Power Key, then select recovery mode. In the main Welcome to Android Studio window, click Start a new Android Studio project. Choose the app, shortcut or bookmark whose icon you wish to change. Lock screen 19 Android Beam 20 Tap & pay 21 Printing 21 File storage 22 Android Device Manager 24 Screenshots 24. You will use Android studio IDE to create an Android application and name it as myapplication under a package com. Splash Screen Tutorial With Example In Android Studio. Following the European Commission's July 2018 Android decision, Google is implementing a choice screen for general search providers on all Android phones and tablets shipped into the European Economic Area (EEA) where the Google Search app is pre-installed. When the screen orientation of an Android device is changed, the current activity being displayed is destroyed and re-created automatically to redraw its content in the new orientation. 0 will help you get started. Now with MagicLocker, a nifty application for Android, you can change the lock screen of your Android smartphone without the tension of rooting and modification via recovery, and all this in a. If you have your own one, just send us the image and we will show it on the web-site. 3 Use the keyboard. Using the Visual Studio Emulator for Android from Android Studio or Eclipse with ADT John Kemnetz July 20, 2015 Since announcing our fast, free, Hyper-V compatible Android emulator , we’ve heard that some of you are using Android Studio or Eclipse as your primary Android development environment and still want to acquire the best emulator on. 0 Oreo is here, there is still no sign of a screen recording app. AirDroid 3 blurs device lines even further with new PC and Mac clients, Android screen mirroring. No need for Gmail or Factory Reset. Creating New Android Project (Login Screen Design In Android Studio) Create a new project in Android Studio File->New->New Project. How to make android Activity full screen In this android tutorial, we are going to learn how to make android activity full screen. 2, lock screen widgets have been a hugely popular feature on the Android platform. screenBrightness " for my app only. Android Oreo holds many secret improvements by the looks of things. The modern-day lock screen app can actually replicate the stock lock screen on your Android phone, giving you the chance to get even more customization than you would want in the initial phases. Try this: [code] WindowManager wm = Context. Type in the text message and tap Save to save the lock screen message. You may have gotten bored with the regular lock screen. Creating New Android Project (Login Screen Design In Android Studio) Create a new project in Android Studio File–>New–>New Project. Read This: How to customize home screen settings in android 8. Now a screen will show up giving up options to add widgets, adjust home screen settings and change wallpaper on Huawei P9. When the device is lost, the device owner will be able to ring the device or lock it, in order to, protect the data stored in the device. See also: How To Update All Android Apps At Once. You can change the lock screen wallpaper for Android with a lot of ease. Also see our article A Guide to the Best Upcoming Android Phones. It is important for us to understand why we might want to lock a screen to a particular orientation in android. To do this, add an Up button in the app bar. The keys to your Android tablet's screen locks are found. You cannot change this splash screen. However, there are some screen lock types available that you can use when you want to use other method to unlock the screen or give more protection for your phone from unauthorized users by using a screen lock type with secure lock functions, e. This kind of lock is used in all smartphones. This wikiHow teaches you how to change the size of your screen resolution on Android phones and tablets. 0 2 ways to change lock screen notification on android Oreo 8. Open the app and tap the screen. We will make gif splash screen in android studio in today's example. You can set up a screen lock to help secure your Android phone or tablet. How to change or customize Android lock screen settings Part 1: The need of screen lock on Android 5. Provide Activity name as Login as shown below. Best Lock Screen Replacement Apps for Android in 2019 1. We also don’t want our children on screens all day and have lots of new ideas. either Landscape or Portrait. Some devices, like the T-Mobile G1, can change their hardware configuration at runtime. myapplication as explained in the Hello World Example chapter. But for some users, this is a long anticipated feature. You may notice a screen rotation lock button in the quick settings of your phone, too. Remove Swipe Screen to Unlock the Locked Android Phone. Lock screen orientation To lock the screen orientation change of any screen (activity) of your android application makes your activity display only in one mode i. The orientations provided by the activity are Portrait, Landscape, Sensor, Unspecified and so on. As a Android phone user, we always used to set screen lock security in our devices to protect our phone from unauthorized entry. Sony: Turn device off and turn it back on. 0+, Lookout will enable the screen lock if you did not previously have it enabled. After that the first step is add INTERNET permission in the manifest file as this app going to use internet. How to change or remove lock screen pattern, PIN or password via ADB on Android 8. If you do not want to use the Android lock screen, please disable it through the Lock Screen settings of the device. Screen Time is unique in that it was first created, and continues to be run by parents who use it every day. There is no "lock screen image" in Android. With root though, it is possible to change the software density of an Android device thereby allowing you to tweak the amount of information being displayed on the screen. That said, System Tuner is still present in Android O and it has a new experimental feature that lets you edit lock screen shortcuts in Android 8. This means adding more security than the simple swipe screen lock. Every android user must be familiar with Pattern/PIN lock/Face Recognition, a security feature which ensures authorized access to their devices. Unlock your Android lock screen pattern with your Google Login (only Android 4. ) Here is a screen from a simple app. Before reading this article, I always pressed the “just once” button, so I wasn’t locked into a. Some icons may be grayed out because they are not available to use as lock screen icons. This wikiHow teaches you how to protect your Android's lock screen with a password, PIN, or pattern. By this method you can read somebody’s whatsapp messages or even see their gallery pictures. Begin by going into the Settings and click on Location & security. 4 Kitkat devices can easily be renamed to your desires but, by default, Bluetooth visibility on your devices is set to timeout after few seconds. We introduced the ability to get Cortana on your lock screen earlier this month so you could quickly swipe and see what Cortana’s got for you for the day. Some Android devices allow you to change the screen resolution in the Display menu in Settings. Provide Activity name as Login as shown below. 2 Jelly Bean to 4. here version 22 you haven't installed so your screen is not displaying. The Android version is trickling out slowly on Google Play and the iOS version is on Apple’s App Store. A new lock screen bypass technique requires little more than typing a long string of characters and repeatedly pressing the camera shutter Emergency-Number Hack Bypasses Android Lock Screens. 1 APK for Android - shivaappstudio. And, with the help of numerous apps out there, you can assign your own actions to the button, like, for example, turning your Android’s screen on and off! These Quick Buttons range anywhere from $2 to $20 a pop , but, to be honest, price doesn’t really matter here, since all you really want to do is turn it into another way to turn your. The stock pic still shows when I lock even though the correct pic shows in Personalization/Lock Screen. Be it Facebook, WhatsApp, or any other app, if you want to change lock screen shortcuts on your Android device, read our beginner's guide below. You will use Android studio IDE to create an Android application and name it as myapplication under a package com. How to change or customize Android lock screen settings Part 1: The need of screen lock on Android 5. Choose the app, shortcut or bookmark whose icon you wish to change. For this guide we will be using the BLU Studio 5. LayoutParams. This kind of lock is used in all smartphones. Hi, I am trying to change the lock screen background image but I cannot figure out how to view this in the android studio emulator.