lockscreen

问题 What I am trying to do is, being able to catch volume up/down button actions on lockscreen on android 4.4. Google Cast Design Checklist document describes lock screen requirement "Provide access to the volume control via hardware buttons". I tried various ways to handle hardware volume buttons on lock screen but none of them worked. onKeyDown/dispatchKeyEvent - I tried to override onKeyDown as well as dispatchKeyEvent methods on Activity, but none of these are executed on lockscreen, these

问题 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? 回答1: This isn't possible on Windows 8; the soon to be released Windows 8.1 has a "Kiosk Mode", which seems to be what you are looking for. From Windows 8.1 kiosk mode locks systems to a single app: Generally speaking, kiosk mode is something that’s intended

问题 I'm new to swift and I have a AVPlayer which is playing fine on a particular screen. My objective is to play the same audio on lock-screen mode. So far this is what I have done and the code as bellow. for some reason I don't see the player widget on lock-screen mood at all. What am I doing wrong here. class MyAudiosViewController: UIViewController,UITableViewDelegate,UITableViewDataSource,AVAudioPlayerDelegate { @IBAction func playButtonPressed(_ sender: Any) { if(currentRowSelected != nil ){

问题 I know that apple knows when you touch the locked screen (iPod shortcut, call), but can I know somehow when user touches it. Thanks in Advance! 回答1: No, your window (which would accept the touch) is not active when the screen is locked. 来源： https://stackoverflow.com/questions/2508090/iphone-detect-touch-when-screen-is-locked

问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 6 years ago . In newer android versions you can add a widget to the homescreen AND the lock-screen. To be able to test this during development it would be good to be able to add these to the emulator-lock-screen as well. This

问题 Im working on lockscreen in android How we can disable navigation soft buttons, have tried all the ways, systemoverlay but its doesnt work, on pressing home button its kill the service and activity. 回答1: back button can be controlled by overriding the onbackpressed() method. Homebutton can controlled by making your application a launch. <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.HOME" /> <category android:name="android

问题 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 /private/var/mobile/Library/SpringBoard/. This works but requires a hard respring. notify_post("com.apple.language.changed"); doesn't work for a soft respring. Use class-dump to dump private methods of UIKit. UIKit in 4.2 used to have a method called + (void)setDesktopImageData:(id)fp8;

问题 I'm developing lock screen app. Here Lock screen is displayed on the top of the screen using this command "WindowManager.LayoutParams.TYPE_SYSTEM_ERROR;" But my problem is I can't See the Incoming call Window when the custom lock screen is displayed. Incoming call window is not overrided over my custom lock screen. 1) Is there any permission required for displaying the incoming call window.? 2) We have to add any other codes for answering the incoming class This is my Lockscreen receiver

问题 As we know, it is only 11.5MB memory that can be used in a Windows Phone 8 task agent. I was trying to make dynamic lock screen image in the background task agent. When I get the 480*800 image, it works fine but when I change it to 768*1280 I the exception: Out of memory 1 pixel cast 4 K so (480*800*4)/1024/1024=1.46M (768*1280*4)/1024/1024 = 3.75M When I tried to convert a byte[] to a BitmapImage: public BitmapImage ConvertDownloadStringToStream(byte[] downloadImageBytes) { if (!

问题 As we know, it is only 11.5MB memory that can be used in a Windows Phone 8 task agent. I was trying to make dynamic lock screen image in the background task agent. When I get the 480*800 image, it works fine but when I change it to 768*1280 I the exception: Out of memory 1 pixel cast 4 K so (480*800*4)/1024/1024=1.46M (768*1280*4)/1024/1024 = 3.75M When I tried to convert a byte[] to a BitmapImage: public BitmapImage ConvertDownloadStringToStream(byte[] downloadImageBytes) { if (!