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问题 i'm working on share the tablet display with more than one table (all rooted) connected through WiFi , i'm using the following approach (all inside one thread) : 1- i take a screen shot. Process sh = Runtime.getRuntime().exec("su", null,null); OutputStream os = sh.getOutputStream(); os.write(("/system/bin/screencap -P " + "/sdcard/test/img.png").getBytes("ASCII")); os.flush(); os.close(); sh.waitFor(); 2- compress the screen shot image. Bitmap mBitmap = BitmapFactory.decodeFile(Environment

问题 I know how to make a window fullscreen in the "main" display, but even when moving my app's window to a secondary display connected to my PC, when I call: self.master.attributes('-fullscreen', True) to fullscreen that window, it does so in the "main" display and not in the secondary one (the app's window disappears from the secondary display and instantly appears in the "main" one, in fullscreen). How can I make it fullscreen in the secondary display? 回答1: This works on Windows 7: If the

问题 How can I get screen resolution (height, width) in pixels? 回答1: You could use commad-line interface to WMI > system("wmic desktopmonitor get screenheight") ScreenHeight 900 You could capture result with system (scr_width <- system("wmic desktopmonitor get screenwidth", intern=TRUE)) # [1] "ScreenWidth \r" "1440 \r" "\r" (scr_height <- system("wmic desktopmonitor get screenheight", intern=TRUE)) # [1] "ScreenHeight \r" "900 \r" "\r" With multiple screens, the output is, e.g., [1] "ScreenWidth

问题 I am trying to set the width and height of a div exactly equal to the size of my users screen. How can it be done. Should I use jquery ? If so, how ? 回答1: What about some CSS? http://jsfiddle.net/TJGZU/ body, html { /* set size of body to full page and remove margins */ width: 100%; height: 100%; padding: 0; margin: 0; } div { /* set div to full width and height */ width: 100%; height: 100%; } 回答2: by css seems ideal as pimvdb has suggested...doing it in jquery would be inline styling which

问题 I am making my first iphone game using corona sdk and would like it to run on as many devices as possible (phones + tablets). However I am not sure how to deal with different screen sizes and resolutions. I developed my game for the iPhone 5 using corona simulator and it works fine on that device. When I tried it on lower resolution devices like the iPhone 4 I get 2 black rectangles on each side. I tried creating 2 different backgrounds with different resolutions and added this in my config

问题 I currently have code that works great to read the pixel colors for whatever is displayed on the screen, an excerpt of which is shown below: using (Bitmap bmpScreenCapture = new Bitmap(Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height)) { using (Graphics g = Graphics.FromImage(bmpScreenCapture)) { g.CopyFromScreen(Screen.PrimaryScreen.Bounds.X, Screen.PrimaryScreen.Bounds.Y, 0, 0, bmpScreenCapture.Size, CopyPixelOperation.SourceCopy); } Color c = bmpScreenCapture.GetPixel

问题 I am developing one application, right now i am on designing phase. i design one screen on the 3.7WVGA(Nexus One) screen in eclipse using Linear Layout. but when i test it on 2.7 my some icon are go outside of the screen. my question is that which layout is suitable for all screen whether i design it in 3.7 inch or run it on 2.7. Please give me a suggestion. Thanks in Advance. 1st i design it in 3.7 and second in 2.7. 回答1: Don't ever, ever , ever design a screen for Android based on an actual

问题 I'm building a new app with this great tool and i have a question to solve. What is the best way to handle imnage size for multiple scren and multiple devices. Apple = retina and non-retina Android = ldpi, mdpi, hdpi, xhdpi, xxhdpi and tablets (all this with multiple screen resolution) BlackBerry10 = one resolution (but not equal to the others) WindowsPhone8 = one resolution (but not equal to the others) For this case, what is the best way ? Use SVG images (Optimizacion, perfomance, size of

问题 My problem is the following : I am making a program, which can manipulate brightness, gamma and contrast through C# code. For brightness and gamma it is OK. I have achieved it through code I found in the net, but I can't for contrast. The only thing I have found by now is a CalculateRamp method, which has as input parameters (double level, double brightness, double gamma, double contrast) . I know what input to give for brightness, gamma and contrast (the values from the sliders in the

问题 I want to turn screen ON and OFF based on the proximity sensor. I am able to turn the screen off. but the code to ON the screen back is not working. Can anyone help me please? This is the code:` public void onSensorChanged(SensorEvent event) { if (event.values[0] == 0) { Toast.makeText(getApplicationContext(), "sensor in 0",Toast.LENGTH_LONG).show(); WindowManager.LayoutParams params = getWindow().getAttributes(); params.flags |= LayoutParams.FLAG_KEEP_SCREEN_ON; params.screenBrightness = 0;