screen

问题 My screen have resolution 1200 x 800 but this script give me 1429 x 893 <script> if (screen) { var str = "Screen width:" + screen.width + "\n" + "Screen height:" + screen.height; alert(str); } </script> Why it doesn't work? p.s. On other site this code screen.width + screen.height but when run it on localhost it give wrong info. 回答1: From MDN : Internet Explorer will take into account the zoom setting when reporting the screen width. It will only return the real width of the screen if the

问题 My screen have resolution 1200 x 800 but this script give me 1429 x 893 <script> if (screen) { var str = "Screen width:" + screen.width + "\n" + "Screen height:" + screen.height; alert(str); } </script> Why it doesn't work? p.s. On other site this code screen.width + screen.height but when run it on localhost it give wrong info. 回答1: From MDN : Internet Explorer will take into account the zoom setting when reporting the screen width. It will only return the real width of the screen if the

问题 I'm having problems with how items appear in the Android Studio Designer and my phone. The first problem is that widgets & fragments appear differently in the designer/emulator than on my phone. I have tried lowering the resolution in the designer to test other device resolutions but it still appears differently on my phone despite the resolutions being relatively the same. Designer view: http://i.imgur.com/5kZKFDd.png HTC Desire 510: http://i.imgur.com/SqDiyBy.png The designer view is using

问题 I want to save the activity state when the user quits,then start it up again at the same screen next time. I just have a few tutorials categorically placed, press a difficulty button , you'll be taken to a screen with more buttons and names of tutorials. Press any one and an activity with just some text in a scrollview will open up . How do I save where the user was when they went off ? Say a user is reading a tut, then he/she needs to leave, he presses back and eventually exits...but they

问题 I've modified the bluetooth chat example from the SDK demos to be able to control an arduino powered bluetooth LED matrix. Using the chat program, I can send messages to the display via bluetooth. I have a problem though. I've done two screen layouts, a portrait and a landscape. This way I can have the interface occupy the most space on the phone, regardless of orientation. The problem is that if the phone is rotated, OnDestroy() is called, to reload the new layout (landscape, or portrait).

问题 I seem to be having troubles getting a screen reader to read simple tables. I have the HTML below: <table alt="Account Information"> <tr> <th scope='row'>Account Number:</th> <td>1111 1111 1111</td> <td>&nbsp&nbsp<td/> <th scope='row'>Reference Number:</th> <td>XXXX XXXX XXXX</td> </tr> </table> When the screen reader hits this table it says "Table. 0 Columns. 0 Rows." I have tried many examples online and tried to use that WCAG2.0 standards as a guide line, but it doesnt seem to work. I have

问题 I'm trying to find the horizontal width of a monitor in inches or cm (not pixels!) to make a small "ruler" program. DPI would work too. I'm using PyQt4. 回答1: try using the QDesktopWidget's width() and height() to get the width and height respectively. Class reference at QDesktopWidget Class Reference, this will give you the screens size in pixels and then use QX11Info.appDpiX, this will give you the DPI in pixels per inch. Use both the above info to calculate the screen size in inches. PS:

问题 How can i click on a point of android device screen with give it coordinates? I want to click without touch the screen with my finger. I want to click with the app. any idea? I know we can click and there is a solution. 回答1: I think you can try to execute input tap x y in your app if the coordinate you want to touch is x , y . Or you can try to execute this command through adb in your PC. 来源： https://stackoverflow.com/questions/29326532/how-to-click-on-a-special-coordinate-android-screen

问题 How can i click on a point of android device screen with give it coordinates? I want to click without touch the screen with my finger. I want to click with the app. any idea? I know we can click and there is a solution. 回答1: I think you can try to execute input tap x y in your app if the coordinate you want to touch is x , y . Or you can try to execute this command through adb in your PC. 来源： https://stackoverflow.com/questions/29326532/how-to-click-on-a-special-coordinate-android-screen

问题 I am currently trying to print screen an active window using Visual C#. I have this code: SaveFileDialog saveImageDialog = new SaveFileDialog(); saveImageDialog.Title = "Select output file:"; saveImageDialog.Filter = "JPeg Image|*.jpg|Bitmap Image|*.bmp|Gif Image|*.gif"; //saveImageDialog.FileName = printFileName; if (saveImageDialog.ShowDialog() == DialogResult.OK) { // Set the bitmap object to the size of the screen bmpScreenshot = new Bitmap(this.Bounds.Width, this.Bounds.Height,