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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 lock device but prevent the screen to be turned off in android?

I'm using DevicePolicyManager to lock the device while needed. what I want is to bring up the lock screen but using DevicePolicyManager and calling it's method lockNow() will lock the device and turn the screen off. how to prevent turning off the…
Soheil
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Android lock screen / media controls on the lock screen

i have a few questions, to which i haven't found answers till now, despite searching the forum and much of googling. On thing first, i'm developing for android gingerbread, so newer/not all functions are available. Is it somehow possible to force…
myo
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Set wallpaper via Gallary app

i was looking around if it's possible to set Wallpaper for Lockscreen directly from android Sdk but unfortunately it's not available yet but how ever i have seen some apps able to do that via Stock gallary app as in the picture is there a certain…
Joseph27
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How to Use IsolatedStorage to Set Lock Screen Background in Windows Phone 8

I would like to be able to use an image from my IsolatedStorage to modify the lock screen background, but I am having trouble getting the correct syntax of the IsolatedStorage file path to set the lock screen background. In following…
Matthew
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How to Change Lock Screen Image from Windows Phone 8 Application

In referencing http://msdn.microsoft.com/en-us/library/windowsphone/develop/jj206968(v=vs.105).aspx , I am trying to change the lock screen background from an application. One of the first steps states that you must modify the WMAppManifest file…
Matthew
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Making the status/notification bar don't scroll on custom lockscreen

I have developed a custom lockscreen but I will want to make the notification/status bar to don't scroll if my app have a security password. I found that if I add @Override public void onAttachedToWindow() { super.onAttachedToWindow(); …
Rotary Heart
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how to monitor the events of passing the volume key for long after lock screen in android?

I want to add a listener on the event of pressing the volume key for long after locking the screen,but i do not know how to do it.who can tell me?
lazy ape
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create a custom lockscreen for android and access its camera

Ok so, basically i have a project in mind. I am planning to make a custom lockscreen for android. i need to use the front camera to click a pic of a card, match it to a stored image and only then unlock the phone. Much like face unlock, but another…
elroyalva
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Adding custom text to the lockscreen

I have an app I made that will display what percent my battery is at (the 32 in the notification bar). I am wondering is it possible to add that information to the lockscreen (maybe under the time, but anywhere would work)? I know I can change the…
Howli
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When is lock screen re-enabled

My app needs to remove the lock screen of Android devices. It is done as mentioned here and it works. When does the lock screen come back? For example suppose I write those lines of code in my main activity and the user starts my app, until when the…
Soheil
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HTML5 App on Windows 8 which cannot be closed

I want to create a HTML5 Application on a Windows 8 Computer which provides product information for a user in the store. Does anyone know if it is possible to set up the windows 8 in a such away, that the user cannot exit the HTML5 App?
mkn
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(android) Implementing application lockscreen?

I was looking into the best possible route to create a lockscreen for my application... I thought it would be as easy as calling my lockscreen from an onStop() callback, but unfortunately my lockscreen "locks" whenever I enter a different…
Nathaniel Bennett
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Windows Phone - know when the screen is on

I'm working on an app that changes the lock screen background, and I would like to know when the user turns on his phone and looks at the lock screen. The reason for my question is that if I know that the background has been watched, I will be able…
user2540056
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How to automatically add widget to the lock screen 4.2

I want my music widget to be shown on the screen in a similar way that RemoteControlClient works. I don't want the users to be needed to have the widget added to the lock screen beforehand. The samsung music app on thier 4.2 devices have this…
feisal
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Android Lock Screen App Widget: how to wake up the device (and send it back to sleep again after)

Hi and thanks for your help. I have the following situation. I have a Lock Screen Widget, when the user taps it the App Widget perform some tasks (updates itself). The point is that: if the phone is in sleep mode and the user taps the App Widget,…
Lisa Anne
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