- ANDROID WINDOWMANAGER OVERLAY GUIDE HOW TO
- ANDROID WINDOWMANAGER OVERLAY GUIDE DRIVERS
- ANDROID WINDOWMANAGER OVERLAY GUIDE ANDROID
- ANDROID WINDOWMANAGER OVERLAY GUIDE WINDOWS
The issue can be caused by outdated GPU drivers or overloading the Desktop Window Manager process with many desktop processes and activities that require more resources than normal. Why Is Desktop Window Manager Using So Much GPU?
ANDROID WINDOWMANAGER OVERLAY GUIDE WINDOWS
This problem is known to occur in Windows 11 and Windows 10.
Many users reported that GPU usage by Desktop Window Manager spikes to 70% or even 100% when running an app and its main window is visible or a video game. Usually, wdm.exe doesn’t use much of the GPU’s processing power, but it ends up causing high GPU usage due to some arbitrary reasons.
ANDROID WINDOWMANAGER OVERLAY GUIDE HOW TO
This article will show you how to fix this problem.ĭesktop Window Manager is responsible for rendering the Windows desktop environment, which is a significant part of the GUI. Sometimes Desktop Window Manager (dwm.exe) starts hogging Graphics Processing Unit (GPU) or memory (RAM) resources when it shouldn’t. I’m suspecting this is a bug in SDK 14, as you notice when onBackground, the entire Screen Launcher is blank.How to Fix Desktop Window Manager High GPU and Memory Usage in Windows 11 For SDK 14, the TYPE_SYSTEM_ALERT/TYPE_APPLICATION_OVERLAY view that was launched through Service will now be also live within the Activity view boundary.However for SDK 14, if we launch again another TYPE_SYSTEM_ALERT/TYPE_APPLICATION_OVERLAY view, through the Activity the behavior of previously launched TYPE_SYSTEM_ALERT/TYPE_APPLICATION_OVERLAY view from the Service is changed as below. If the Activity is onBackground, the view is still shown. TYPE_APPLICATION_OVERLAY/TYPE_SYSTEM_ALERT launched through Activity effect on TYPE_APPLICATION_OVERLAY/TYPE_SYSTEM_ALERT launch through ServiceĪs we know, for SDK 14, 24 and 26 the TYPE_SYSTEM_ALERT/TYPE_APPLICATION_OVERLAY view that is launch through Service live outside the Activity view boundary. Perhaps this is due to TYPE_SYSTEM_ALERT and TYPE_APPLICATION_OVERLAY different behavior.
If the Activity is onBackground, the view is hidden as well.įor SDK 24 and 26, the TYPE_APPLICATION_OVERLAY view lives outside the Activity view boundary. TYPE_APPLICATION_OVERLAY/TYPE_SYSTEM_ALERT launched through Activity behaviorįor SDK 14 the TYPE_SYSTEM_ALERT view lives within the Activity view boundary. I tested on SDK 16 (Jelly Bean), 24 (Nougat), and 26 (Oreo) TYPE_APPLICATION_OVERLAY/TYPE_SYSTEM_ALERT view lifeįor SDK 14 and 24, the view is killed as well, when the App is killed (manually).įor SDK 26, the View lives on even when the App is killed (manually), regardless if the View is launched through Service or Activity. But it is worth to note my findings below as reference, to ensure support across devices is tested thoroughly. I’m not 100% sure if this is the emulator settings. private val windowManager by lazy Add the View to WindowManagerĪfter the above has been achieved, one would just need to add the view to the WindowManager windowManager.addView(floatView, paramFloat)įrom my experience on the Views added through WindowManager, I got different behavior in different SDK. However, if you work outside the Activity (in another class or Service), you could access the WindowManager using the Context. Access the WindowManagerīy default, you could get the WindowManager object in the Activity.
ANDROID WINDOWMANAGER OVERLAY GUIDE ANDROID
With that, we could code something beyond the conventional Android App interface.īelow is the example code (available below) I made to demonstrate how we could have a view outside of our Activity.īelow is what is required to code it. The fun of WindowManager is the ability to have a View that is on top of the Activity. Let’s experiment some view on WindowManger This enables one to display a view on top of the Activity! Among other things, it automatically performs window transitions and animations when opening or closing an app or rotating the screen. The Android WindowManager is a system service, which is responsible for managing the z-ordered list of windows, which windows are visible, and how they are laid out on screen. However, it is a useful system service.Īs explained nicely in this stackoverflow, For conventional Android development learning, WindowManager is not something typically taught.
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