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Questions tagged [external-display]

An external display is a graphical device such as a CRT monitor, flat panel display, TV or projector, which is not built-in to the desktop computer, laptop or tablet device.

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External UIWindow rotated incorrectly

I am creating an external window to match its uiscreen size from a custom class that inherits from nsobject. It works however the rotation is wrong. It is rotated from various corners - depending on some unknown factor. In the view controller…
malaki1974
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How can I open a new Stage on the external monitor?

I have an external monitor plugged into my laptop. I want to display a new Stage on this external screen in fullscreen, undecorated and modal mode. I know how to achieve all of this in pure Java/Swing combination, but I'm stucked with JavaFX…
bluevoxel
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Displaying iOS Screen on second display

I want to use airplay or an HDMI adapter to demonstrate my iOS apps on a big screen. The problem is that my app only runs in portrait mode and most TVs are in 16:9 aspect ratio and therefore the iPhone screen is very small. To fix this i want to…
Nils Ziehn
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Using an iPad as an interface to change an external display's content

I am not sure the scope of this project exactly, I'm hoping someone here might have prior experience with this. I have a project which is to develop a mobile site which will serve as a framework to display content. the 'app' will be a simple list,…
Markus013
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Opening an NSWIndow / NSView on a connected display

Environment: macOS Big Sur 11.5.2 / Swift 5.4 Target Platform: macOS I came across this discussion while searching for how to open a new NSWindow / NSView on a connected display. I converted the obj-c code to Swift, but I cannot get it to work. I…
SouthernYankee65
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External Displays Post iOS 13

With iOS 13 the setter for screen was deprecated, and there's not much documentation out there that says what the alternative should be. I have looked at other stack overflow posts such as this one but the code does not function in my app. This is…
JoshHolme
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adb screenrecord Secondary Display from listed displays in dumpsys

Hello I am trying to connect and screenrecord a secondary display attached to the Android Device through HDMI. I am successfully able to screen capture and record the main Android Phone Screen but I have a device that displays to second screen. What…
JasonH
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Apple TV as an external UIScreen on an iOS device

I have an app that displays video in a subview and where it would be nice to give the option to display that video on a second screen such as an Apple TV and be able to use that freed-up space to show additional controls. I've found all sorts of…
Gilles Dignard
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Android : how to play a sound on external display

I would like to play a sound (mp3, wav...) on external display (as HDMI for example). I have tried with the RingtoneManager but I can't specify the device. I have try this Android force HDMI audio without success. I can do this with adb like…
xpmich
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HowTo Clear Cache/Memory of Monitors in XP

I want to clear the cache/memory of monitors that I've connected to an XP machine. I'm developing a monitor-like device with its own EDID, and I want to see what a "first birthday" is like. However, the machine in question remembers the device and…
jerwood
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In Java, is it possible to listen for the connection/disconnection of an external Monitor?

Upon disconnecting an external monitor from my laptop, I lose some of my apps as the disconnected monitor is still set as the default. Some of my windows are trying to display on the disconnected monitor. I have a workaround, such as right clicking…
Lambda
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disable and then re-enable display on Mac

I am trying to figure out if there is a way to programmatically turn off an external display on a mac through Obj-C. Then, re-enable the display. Does anyone know how to disable displays and then re-enable them in obj-c? Thanks.
Jake Chasan
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How do I enable 1920x1080 External Display from my iPad?

I am trying to set up an External Display running at 1920x1080 from an iPad 4 (model MD513LL/A) through a Lightning AV Adapter. When I parse through each of the available modes, I see the…
Jeremy White
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Android: Controlling an External Monitor (e.g., Projector)

I'm looking for a way to use an android tablet to control an external screen. More specifically, I'd like my app to display one view on the tablet, and a second on an external device, such as a projector. I've yet to come across a way of doing this…
ForeverWintr
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ios external display programmatically

i'm trying to support external display on my iOS app without using any .xib files. right now my code contains this: - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions{ if ([[UIScreen…
phantomhive
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