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Questions tagged [lockscreen]

A lock screen is a user interface element used by various operating systems. They regulate immediate access to a device by requiring that the user perform a certain action in order to receive access: such as entering a password, using a certain button combination, or by performing a certain gesture using a device's touchscreen.

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How to unlock Windows lockscreen?

How can I unlock the windows lockscreen with Delphi? I didn't found anything on Google or Stackoverflow. I already tried to enter my password using keybd_event but it seems like the events dont work on the lockscreen.
fnkr
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Android full screen notification won't show over the lock screen

I'm trying to create an android full screen notification to show an activity over the lock screen, like an alarm clock. The notification always occurs, but the activity is never started over the lock screen; it just rings and shows a notification…
Robb Peebles
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Lock screen without disabling fingerprint

I have the following problem. I'm trying to make an app that locks the screen. The method via DevicePolicyManager works very well. So far so good. But when I lock my phone with DPM the fingerprint unlocking method is disabling and I have to enter…
ChesterKing
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Android Lock Screen Notification Custom View with Ripple and Double Tap

I am working on an Android app. This last makes use of a notification with a custom view that is displayed on the lock screen. Unfortunately, I am not able to get the ripple and elevation effect when I tap on it like other notifications. Also, a…
Laurent
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How to show the Google Location Services permission request dialog above / through the lockscreen?

I'm trying to show the Google Location Services (turn on GPS, network data, etc.) Dialog through lock screen. I'm using KeyguardManager to disable Lock screen. This works fine as my MainActivity is able to disable the lock screen. However, as soon…
Dante
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How to make our own lock screen in android instead of default lock screen

I have an idea of creating my own phone lock app similar to android pattern lock. I need to display or start my app whenever the phone boots/restarts/phone, lock/phone, and unlock. I don't know how to make the app appear instead of default lock…
SreBalaji Thirumalai
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How to test Android lock-screen widgets in an emulator?

It doesn't seem to work. I looked at the solution proposed here: Android emulator 4.2.2 not showing add widget option in lock screen but without success. Using the rev1 image (as the rev2 has a bug, filed here:…
Eir
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how to change system alarm setting text dynamic

Hi I'm creating a app to display the count of alarm that comes from services and i've to update that when my screen is lock. but i am getting a out put but it is not updating can any one help me this is a code i used for display the text in lock…
Jagan
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How to use default password lock screen in our Android application?

I am new in android. I want to use default password lock screen in my android application. I want to open that lock screen when sms is come in my device. I want to use (settings > Location & Security > setup screen lock with password ). Can anyone…
anddev
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Setting iOS background/lockscreen image programmatically?

I'd like to be able to set the lockscreen background image programmatically. I'm aware that this is only possible for jailbroken iOS devices. Here are some things that I've tried: Place a LockBackground.png in…
EightyEight
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MPMediaItemArtwork and transparency

While trying to obtain a transparent cover image on iPhone lock screen I got white background where it should be transparent. Is it possible to use image with alpha channel for MPMediaItemArtwork at all? I found nothing about it in the official…
san
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Disable Home Button in Homescreen app?

I am working on a research project for my university. The app will never be put on the market and only used for research. I have made a homescreen app by using the Google Homescreen sample code. In there, I have made an activity that is a…
hamena314
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How can I interact with the Lockscreen layout to display text into it, like this app:

I just discovered this application : https://market.android.com/details?id=de.j4velin.lockscreenCalendar It seem that is now possible to write some text inside the lockscreen in the place where the alarm is usually written. I would like to display…
Waza_Be
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How to overlay a layout on lock screen when in devices running Oreo and Pie

In my application i'm trying to overlay a layout with a service here when i'm running service it successfully executes and display the layout on lock screen when target devices is lower than oreo but when i'm trying to overlay the same from versions…
Mr. Patel
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How to get android lock screen wallpaper?

I use the code below to retrieve the android lock screen wallpaper on an android 8.1 phone: WallpaperManager manager = WallpaperManager.getInstance(getActivity()); ParcelFileDescriptor pfd = manager.getWallpaperFile(WallpaperManager.FLAG_LOCK); if…
Run
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