Qt get screen size android. getMaximumWindowMetrics() method.

Qt get screen size android 6. ie. This property holds the available geometry of the virtual desktop to which this screen belongs. Regards Ansif May 6, 2015 · One of my problems is to write an application usable for all mobiles types. How should I build the application window so that it looks the same on Apr 13, 2016 · It would be impossible IMO. QRect rec = QGuiApplication::screens(). My question is, How to set mobile device screen size as width and height in main. getInsetsIgnoringVisibility(WindowInsets. The Sep 10, 2013 · how resolv it for the font size? May 3, 2017 · if i use the code shown here to get the total screen size it is always short on height to the total screen size as shown in the documented specs for the device. Best of luck!!! Mobile and Embedded; Android screen resolution problem[solved] Jan 14, 2011 · I have a Qt application which needs to be loaded on mobile devices of different screen sizes. This will scale widget sizes relative to the font size, so you only need to deal with raster images. Regards Ansif Dec 9, 2018 · I need to screen capture on Android. But there's no Qt way to get a list of available resolutions, nor to switch them. getWindowInsets(); Insets insets = windowInsets. For Qt4 or older (I think its supported in 3 but can't remember) you can use the QPaintDevice to get similar information. Depending on what information the underlying system provides the value might not be entirely accurate. i only need to get the main monitor resolution. This isn't correct. Regards Ansif Feb 11, 2013 · Number of screens: 2 Primary screen: "VGA-0" Information for screen: "VGA-0" Available geometry: 0 0 1920 x 1165 Available size: 1920 x 1165 Available virtual geometry: 0 0 3520 x 1165 Available virtual size: 3520 x 1165 Depth: 24 bits Geometry: 0 0 1920 x 1200 Logical DPI: 94. width"). I can drag the main menu preview between the 1920/1080 screen and the 3840/2160 screen and there's only very minor changes. the problem is my application should run in different desktop. I've tried grabWindow: but x returned false. QRect(0 Sep 10, 2013 · How can we set the screen size and the controls width and height in an Android device. 6). It automatically picks between static resources in appropriate folders. In Qt, how to determine the size of the screen? Hot Network Questions Dec 13, 2024 · The rectangles don't appear. io Jun 17, 2023 · physicalSize : const QSizeF This property holds the screen's physical size (in millimeters) The physical size represents the actual physical dimensions of the screen's display. Always prefer contraining component size with anchors over fixed/relative size when possible. 0. Jan 31, 2022 · Hi everyone. Qt Android. An example of its usage can be found in the linked docs: final WindowMetrics metrics = windowManager. Apr 29, 2021 · Hi all, Currently I have two 4k monitors and a 1920x1080 tablet connected to my PC, running Windows 10 and Qt 5. My best result was to compute the font size for each button like this: Sep 28, 2022 · In the case of the table view, where the drawn table has more content than will fit on the screen (i. Feb 15, 2018 · Hi, I am new in QML. Awhe, to bad 😥. Type Jul 31, 2019 · Hi! How to get a screenshot in Android? Specifically, Qt will scale the screen size (resulting in a "smaller" screen for positive scale factors), but will not change the screen position. height * 0. 8 * parent. I also tried this out on an iPad Pro 12. pixelDensity really represent x pixels in 1 millimeter? Any simpler way of calculating the user's monitor Sep 10, 2013 · How can we set the screen size and the controls width and height in an Android device. QSIze size = this->size(); In some cases the size may not be correct (in the constructor before the widget is completely created or displayed) until after the widget is first shown. 3 and 6. Will see you later. Is there any The following code snippet uses reference values for DPI, height, and width from the Nexus 5 Android device, the actual screen size returned by the QRect class, and the logical DPI value of the screen returned by the qApp global pointer to calculate a scaling ratio for image sizes and margins (m_ratio) and another for font sizes (m_ratioFont): Sep 10, 2013 · How can we set the screen size and the controls width and height in an Android device. Jul 27, 2013 · for example my main monitor resolution is 1024 x 768 and my extended monitor resolution is 800x600. Maybe Windows 10 is too old. This will produce an islands-of-screens type virtual desktop geometry. The computer can't ask the monitor how big it is because the monitor doesn't know that. 04 for Android. Sep 25, 2013 · Just use QWidget::width() and QWidget::height() out of the resizeGL event to obtain the window's sizes and determine your viewport dimensions from that. Qt setGeometry: Unable to set Multi-screen is a desktop-style Wayland compositor example for multiple screens. 1. It takes a little bit to learn, but then you get scaling almost free. 84 Qt Sep 10, 2013 · How can we set the screen size and the controls width and height in an Android device. In that case some Items will be on one screen, and others on a different screen. Jul 12, 2016 · int screenY = screen->availableSize(). Additionally, this is a problem that looks like it can not be solved from QML as we simply don't get the full graphics area to draw on So, lets try a simple QtGui-only app. height() ) is the screen size; then, pass the size to Jul 10, 2019 · What's very weird is that QT Designer's preview screen of the form looks the same on both screens. Viewed 57k times Jan 17, 2019 · @morte said in change ApplicationWindow size on Android: I'm wondering is there way to change size of ApplicationWindow (QML) on Android? Looks like it bound somehow to Screen dimensions and changing height or maximumHeight properties don't make any effect. 16. It is just a test app/Hello World type app that displays the resolution on the screen (so not much to the code than what i posted here). 9 in (resolution is 2048x2732), but it also was much smaller than the true pixel width and height. Another thing to note is that if you replace [0] with 1, 2, 3, … you can access other monitors (if there are any) on desktop computers. Get screen diagonal size in Qt. Sep 10, 2013 · How can we set the screen size and the controls width and height in an Android device. Here is how to get the height of the status bar: Apr 13, 2017 · The following python3 code allows to get screen size but is there an alternative to QtWidgets. Get reported screen width and height. Sep 11, 2020 · How do you have Qt Quick applications render properly on different screen sizes? For example, screen sizes 800x600 and 1280x720. Android defines generalized screen sizes (small, normal, large, xlarge) and densities (ldpi, mdpi, hdpi, xhdpi, xxhdpi, and xxxhdpi) for which you can create alternative resources. showFullScreen() is not needed. The available size is the size excluding window manager reserved areas such as task bars and system menus. Dec 30, 2021 · Since Qt 5. Only users with topic management privileges can see it. project file: QT += core gui headers #include #include #include QScreen *screen = QGu I'km working in Qt, i need help to get the physical size of the screen (monitor), In Qt one can get a QDesktopWidget from QApplication, I mean: QDesktopWidget *mydesk = QApplication::desktop(); The QDesktopwidget has some methods to get the resolution in pixels and some to get the the size in milimethers: mydesk-> widthMM(); mydesk->heightMM(); Jun 14, 2018 · Screen height: 1440 Screen pixelDensity: 2. You need to look for platform-specific questions about it, and ask them if they don't exist. 10 open source edition. Oct 9, 2019 · For API Level 30, WindowMetrics. g. Regards Ansif Jan 21, 2011 · Yes, you need to pass the values to QML from c++ look the following: Obtaining a Desktop Widget. – Qt Android. 9585 Qt Logical Dots Per CM in X-Direction: 243. Aug 4, 2020 · so the question is. One question should cover one platform. You can get the current resolution of a given screen via QScreen:geometry(). 3 Aug 13, 2020 · hello, I'm trying to get the screen size for my desktop app. actually,i developed a application. QRect. setResizeMode(QQuickView::SizeRootObjectToView); That overrides any width/height set on the top-level QML item. the window with all the buttons and widgets on it depending on the physical screen pixel density without redesigning all the screens? maybe calculating a scaling factor depending on the screen resolution like: qreal refDpi = 216. And I use qpainterpath class for my moving objects but all screens have different resolutions. Mobile and Embedded 'am running the following code snippet in Qt to get the screen size of my android Nov 19, 2011 · You should scale the pixmap to the size of the screen with QPixmap::scaled(). Jun 10, 2021 · Device Pixel Ratio: 1 Pixel in X-Direction: 1920 Pixel in Y-Direction: 1080 Physical Size X-Direction in CM: 34. This property holds the screen’s available size in pixels. availableVirtualGeometry ¶ Return type. 8. 25 Orientation Dec 29, 2013 · Using constraints layout. For an introduction to the basic principles of creating a Qt Wayland Compositor with Qt, see the Minimal QML example. qt. In Qt, how to determine the size of the screen? 1. Apr 15, 2022 · I think this is a Qt5 addition. than I tilt the phone and I was seing that the half of screen wrap white color . primaryScreen(). Regards Ansif Mar 24, 2017 · Overall, you define how they should scale. You can try something like this: Dec 9, 2013 · Try to use Qt capabilities, QT_AUTO_SCREEN_SCALE_FACTOR=0, QT_SCALE_FACTOR=1. 814 Calculated Pixel Per CM in Y-Direction: 55. : In Qt, how to determine the size of the screen? Ask Question You can get the geometry and size of the screen using the DesktopWidget. Get Qt Extensions; Unsolved Sep 26, 2022 · in pyqt6 in all cases I got the not the correct dimensions of my screen: QGuiApplication. QML, using components from Felgo too Sep 1, 2018 · I am new to QT. on Android QScreen::physicalScreen() is initially returning DPI not mm. size() for screen in QGuiApplication([]). How can I rescale the whole application. In Qt, how to determine the size of the screen? Hot Network Questions Aug 13, 2020 · I'm trying to get the screen size for my desktop app. Apr 1, 2016 · Qt Android. availableGeometry()shows only: PyQt6. height; And used my staff that Propo Jun 30, 2017 · I am building an app on Qt Creator 4. 7) on ubuntu 16. Jun 22, 2015 · I've looked up this device on amazon and converted the the size to milimiters, it is ALMOST the size you report, 121. The desktop widget can be obtained by QApplication::desktop(). Regards Ansif You can't get device physical size in all device because that depends on device as well. My app does not cover the status bar. I have the following loop: std::vecto Jan 20, 2011 · Some methods, applicable for retrieving screen size, are deprecated in API Level 31, including Display. The resolution of my phone is 2160×1080. On the internet it has been said to make your app to adjust to any screen size you have to use QML and integrate it in your Qt Dec 9, 2013 · Greetings. To resize the top-level item to the view’s size, use QQuickView::setResizeMode():. mainWindow. Modified 9 years, 2 months ago. Android defines screen sizes as Normal Large XLarge etc. 5 millimeters. 1 Reply Last reply Jun 14, 2018 · Screen height: 1440 Screen pixelDensity: 2. Is there any possibility to get the screen height and width so that my app is responsive . Hey, Use QQuickView instead of QDeclarativeview. ; qreal refHeight = 1776. Starting from API Level 30 we can use WindowManager#getCurrentWindowMetrics(). Here it is: QSize size = qApp->screens()[0]->size(); Note that this function works perfectly in Android and iOS too. In my mac I have Qt 5. Qt includes a very simple method to get the size of the screen ( width and height ). i tried to see QPixmap size: Please read the Qt Code of Conduct Hi, Ok. getRealMetrics() and Display. If you are having trouble changing it to a percentage, then see this answer. getBounds is to be used. the value i get from desktop height and width is the sum of the two monitor resolution. Regards Ansif May 2, 2017 · I am using QML to make an UI interface. My guess is that this device is not reporting the screen size but the screen size plus a border or something like this. Nov 27, 2021 · But when trying it out on my LG Q7+ Android phone, Screen. Is there any function in QT to auto resize the GUI? Thanks in Advance!!! Jan 15, 2013 · Android: get real screen size. e. Dec 22, 2015 · Qt includes a very simple method to get the size of the screen (width and height). In short, for a fullscreen app: QScreen::size()*QScreen::devicePixelRatio() will give you the actual screen resolution in actual hardware How can we set the screen size and the controls width and height in an Android device. Darn, no clue how to draw on that. 4 (to get the screen size in inches), I get something around 40" Is my calculation wrong? Does Screen. I don't know where is problem. My rows are now exactly a third of the available screen. Does someone know solution ( Qt methods / external applications / etc ) to test Qml / Quick UI for different DPI scaling and screen resolution on the Windows? I am writing android qml application with custom ui elements, but when on my own android phone it looks normally, on the other android phones with other DPI it become very different. Currently i have hard coded my application for a desired width and height as a result if i am running my app on a different screen size , it is not attaining full screen . May 6, 2015 · One of my problems is to write an application usable for all mobiles types. I need this data about the current device in my java code. . 2 (based on Qt 5. 8 version of the Scalability page mentioned above. I'm using qt 4. How to find the height and width of screen in android. Check two devices Nexus 5 Lenovo K3 both size is 1080X1920 but when you call above function then get different values. But when I was running on android ,I encountered trouble problem. Device screen resolution is 720 x 1440 pixels. Supporting multiple screens. Regards Ansif Jul 20, 2013 · Application starts in “window” mode (with top panel) At start Qt components gets wrong screen size After load Qt gets correct screen size but QML not How to get correct screen size: Connect to signal QDesktopWidget::workAreaResized() Send to QML new screen size from QDesktopWidget::screenGeometry() Dec 1, 2022 · So, concluding, the "Screen" part is irrelevant here as that is the 'fullscreen' size. 1. this widget is bigger than the viewport), the scroll area will display more of the underlying table as the view port grows until the screen size constrains the QScrollArea. Dec 23, 2020 · How to get screen size in Qt. If I then create a dialogue, perform an http request, setup the UI and repeat the above code to get the screen size I get: Screen diagonal 2: 170. If I did 2937 / 2. I have got 360 x 696. I am developing small mobile app for iOS and Android. I tried with : QApplication::setAttribute(Qt::AA_DisableHighDpiScaling); The following code snippet uses reference values for DPI, height, and width from the Nexus 5 Android device, the actual screen size returned by the QRect class, and the logical DPI value of the screen returned by the qApp global pointer to calculate a scaling ratio for image sizes and margins (m_ratio) and another for font sizes (m_ratioFont): I created test QML application to show screen size. Meanwhile the running program in QT Creator has massive disparities in appearance depending on the screen. Is Jan 12, 2016 · I have a problem with scaling Qt apps (games) for android devices. 8348200660963894 Screen diagonal size in pixels: 2937. I think this may be due to the Android's screen resolution, but is there any way to fix this in Qt. ; qreal refWidth = 1080. can somebody tell me how? thanks. The increased resolution is used to provide more detailed content on screen (smoother text, more detailed icons), rather than more content (more windows, larger window sizes). Ask Question Asked 14 years, 7 months ago. No QML. 3 Calculated Pixel Per CM in X-Direction: 55. I appreciate any help you can This topic has been deleted. PySide6. 4 Physical Size Y-Direction in CM: 19. 83 / 25. It is generally better to access the Screen from the relevant Item instead, because on a multi-screen desktop computer, the user can drag a Window into a position where it spans across multiple screens. ; Nov 16, 2016 · Qt doesn't provide any APIs with such information. Share. QCamera get resolution and raw frame. Any ideas? Windows 7 64 bit, Qt 5. Hi, this is a commercial project, so I can't share it, sorry about that. Aug 5, 2014 · If you want to ensure the text is also the same physical size on the screen, you can set font. Here it is: QSize size = qApp->screens () [0]->size (); Note that this function works perfectly in Android and iOS too. QtCore. You can also try to get screen size from your main and set it somewhere. so,for that i want to set auto resize the GUI based on Desktop screen size. width; ScrH = qdesktopwidget::screensize. qml and use screen size to adjust label font size? Sep 10, 2013 · Hi All, How can we set the screen size and the controls width and height in an Android device. I think you Jun 17, 2023 · and get: Screen diagonal: 3436. no, simply because Android does not have a WindowManager-system. 7. I want to rescale font size to small (as per phones) . Qt supports high-DPI displays on all platforms, and provides a unified API that abstracts over any platform differences. QtGui. The QApplication::desktop() function is used to get an instance of QDesktopWidget. The problem is that, i can run the same application in Windows and Android. The computer can tell how many pixels are on a monitor by asking the monitor. Is this a bug with Qt or is something wrong with the code? I tested using Qt 6. My question is: How can I compute the font size for, say, my buttons so that text won't be too small or too large in any given screen? This is what I've tried. Get device screen resolution. screens()]) Mar 13, 2017 · Thanks @SGaist and @mrjj . 2. For each available screen on the system, the example creates a CompositorScreen, which is a subclass of WaylandOutput Sep 10, 2013 · How can we set the screen size and the controls width and height in an Android device. 1, jdk1. Determine programmatically screens geometry in a multi-desktop environment with Qt. navigationBars() | WindowInsets. So I use ScrW = qdesktopwidget::screensize. 84 Qt Logical Dots Per CM in Y-Direction: 243. Mar 8, 2012 · I am working on Qt and when I am setting the size of widget to W=360 H=640 it is going out of the screen of simulator, Resolution of device is 360*640 but still not showing whole screen. Do not set the viewport in the QGLWidget::resizeGL handler; you should use that to make adjustment to things that depend on the screen size and which are expensive to change, like textures used for a post-processing FBO. screenGeometry(-1) method : qt; python-3. project file: QT += core gui headers. Just a QWindow. Aug 25, 2008 · The pixel size is in its nature resolution independent (as opposed to point size, or vice versa - in that case revert everything I say here), so if you count everything in logical pixels (and not points) you should get consistent sizes (this especially applies to fonts). like minimum size and max size etc. Sep 10, 2013 · Hi ansifpi, I guess you are using QtQuick and fixed size QML components ? As you are creating an application for multiple devices/screen, you will end up wit Aug 14, 2020 · If the screen is in split mode the application will occupy only some portion of the screen and it will give that size instead of full-screen size. Regards Ansif. for example I tried to get the screen size by using the code to get the size for a tablet listed as 1280 X 800 and the result from the code is: 1216 X 800. Android detects the current device configuration at runtime and loads the appropriate resources for your application. view. When I kept the phone upright and start application, the form fits to screen well. pixelDensity really represent x pixels in 1 millimeter? Any simpler way of calculating the user's monitor Nov 10, 2015 · On Android, "physical dots" seem to match actual on screen pixels 1:1 though, but I'd recommend still multiplying by devicePixelRatio, just to be safe against future Android devices where this does not hold. Apr 17, 2015 · Based on @rasmeta 's answer I made this code and it does the trick. QDesktopWidget(). width(); this->setGeometry(0,0,screenX,screenY); I found that there are several ways to obtain the device resolution, each outputs the same results and thankfully works across all Os-es supported by Qt See full list on doc. Using anchors and/or relative width/height (i. In that case it refers to the screen where the Window was created. pixelSize to be the default font's size multiplied by some amount. 05 More Information May 18, 2015 · Qt Android. 92 millimeters x 63. height=411. Honestly, I don't understand why it should work as I am not changing the size, only the coordinates. Add a Guideline; Set the percentage to 50%; Constrain your view to the Guideline and the parent. width=823 and Screen. Improve this answer. I need that information to adapt the size of some widgets based on the size of the screen, so that is always displayed correctly, regardless of the application running on machines with different screen sizes. Type. It tested on Xiaomi Redmi 6. getCurrentWindowMetrics(); // Gets all excluding insets final WindowInsets windowInsets = metrics. 10 there is QGuiApplication:: However, it is possible to get information about the screen where the widget in question is located through QScreen pointer: Dec 21, 2015 · I am trying to make a game for android. Regards Ansif Nov 18, 2015 · You can call the 'size' function from any widget. 28 = 1440 (width) x 3120 (height) i. Application code should not assume that positions immediately adjacent to and outside one screen is a valid position on the Jul 4, 2018 · This way, I make sure that the proportions will look right in any given screen. 1432 Logical DPI X: 93. 2095601097312. If you call this from the main window it will return the size of the main window. at( 0 )->geometry(); QSize( rec. My problem is the font. 14. When I was running on desktop work well. You can get the screen resolution by calling QDesktopWidget::screenGeometry(). "width: 0. Again, if you'd rather base it off the size of the screen rather than the DPI, you can do this instead: font. I wanted to know as I can, from my program code, get the size or resolution of the screen. 0. 488 = 71 (width) x 155 (height) Feb 22, 2014 · I trying set the screen size using ApplicationWindow for learning events. The clean way to get screen size is to create some Compat class, e. QScreen. The fonts in UI does not scale as per phone screen. But in Android the whole controls width and height changes. width(), rec. 15. I will try creating an app that covers the status bar Jan 24, 2017 · Update 2014-11-18 This and video article looks very useful indeed: Supporting Multiple Screen Sizes & Screen Densities with Qt and V-Play Update 2017-01-24 There is an updated Qt 5. getMaximumWindowMetrics() method. Mar 13, 2017 · Solved Getting screen size of Android virtual device. Use a little bit of help from Qt by setting QT_AUTO_SCREEN_SCALE_FACTOR to 1 or a correspondent AA_EnableHighDpiScaling attribute (introduced in Qt 5. The problem is that, i can run the same application in Window Sep 10, 2013 · You have at least three ways to deal with multi-resolution applications in QtQuick: QtQuick Layouts, introduced in Qt 5. So to get the full-screen size it is recommended to use windowManager. Ok, QWidget it is. I want to make my window in the middle of the screen with half of the screen size, but it acts a little weird for me. Feb 10, 2023 · I use it for Linux and Android without issues. Get screen dimensions. Here are the functions that will be useful to you depending what you need to do: May 25, 2010 · Android: Get the screen resolution / pixels as integer values. How do I make it autofit to the mobile device's screen size? Jul 28, 2019 · @tham said in Get the height of the statusBar of Android:. x; pyqt5; Nov 13, 2022 · Besides, you don't really need a subclass at all, as you can just use a reference (even a local one if you do not need a Qt application anymore): print([screen. getRealSize(). Size of fonts in an App remains same as in desktop. pixelSize: window. Think about it. height(); int screenX = screen->availableSize(). QDeclarativeView is the old version usage, but in later Qt versions from Qt 5 we use QQuickView. I have to use font size= 28 for Samsung S5 mobile and 16 for a little mobile. 0364 Logical DPI Y: 95. If I use the commented lines, the area is set properly, but this seems like a workaround. ucgriq sknqfpw zfluha zhjrcuh ypze toooun mmg rrafc cacwx vqijwh