screenshot

问题 I have came across few solutions specific for ios and Android to prevent screen-capturing and taking screenshots. But how do i disable screen-capturing in react native? 回答1: In android /android/app/src/main/java/com/{Project_Name}/MainActivity.java write some Import Statements import android.os.Bundle; import android.view.WindowManager; Prevent capture screen by setFlag secure use below code inside the MainActivity class @Override protected void onCreate(Bundle savedInstanceState) { super

问题 I am working on IOS Application in which taking clear screen shot is required I've tried func captureView() -> UIImage { //hide controls if needed let rect: CGRect = self.imageView.frame UIGraphicsBeginImageContext(rect.size) let context: CGContextRef = UIGraphicsGetCurrentContext()! self.view.layer.renderInContext(context) let img: UIImage = UIGraphicsGetImageFromCurrentImageContext() UIGraphicsEndImageContext() return img } But the quality of image is not good. Please suggest me something

问题 In Google Play it's now possible to have screenshots for phones, 7- and 10-inch tablets. I was trying to upload screenshots from an tablet on one of my applications. All my current screenshots where listed for phones. After I uploaded one screenshots for both 7- and 10-inch tablets I get the following the result: On my phone first the phone-images are listed first, and then the tablets images. On my 7-inch tablet I first see the tablet images and then the phone images. The documentation doesn

问题 I have code that makes a screenshot of the window using winapi. Then I have to save image to disk and load it again from disk to memory PIL. Is there any way at once without saving to disk to pass this bitmap in the PIL. import win32gui, win32ui, win32con import Image win_name='Book' bmpfilenamename='1.bmp' hWnd = win32gui.FindWindow(None, win_name) windowcor = win32gui.GetWindowRect(hWnd) w=windowcor[2]-windowcor[0] h=windowcor[3]-windowcor[1] wDC = win32gui.GetWindowDC(hWnd) dcObj=win32ui

问题 I want to take a screenshot of my iOS application when it is running in the simulator, and save the screenshot on my Mac. How can I do this? 回答1: It's just as simple as command + s or File > Save Screen Shot in iOS Simulator. It will appear on your desktop by default. 回答2: Use ⌘ + S to capture a screen shot. (Use window + s , if you are using windows/non-apple keyboard). See for more details: How to change simulator scale options with Xcode 9+. Tip 1: How do you get screen shot with 100% (a

问题 I am trying to add capture screenshot of active window using this code procedure ScreenShot(activeWindow: bool; destBitmap : TBitmap) ; var w,h : integer; DC : HDC; hWin : Cardinal; r : TRect; begin if activeWindow then begin hWin := GetForegroundWindow; dc := GetWindowDC(hWin) ; GetWindowRect(hWin,r) ; w := r.Right - r.Left; h := r.Bottom - r.Top; end else begin hWin := GetForegroundWindow; dc := GetDC(hWin) ; w := GetDeviceCaps (DC, HORZRES) ; h := GetDeviceCaps (DC, VERTRES) ; end; try

问题 Is it possible to disable screen capture from a fragment? I know the below works for an Activity class onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE); } But what if I have a fragment which shows up on top of an activity. Can I somehow disable screen capture? I've tried to set the FLAG_SECURE in the onCreate() or onCreateView() method of the fragment, but it doesn't

问题 I have a website I am building that takes data (the person's name) from a form and posts it into a customized "note" in a table on the next page. I want the user to then be able to save their "note" as an image with their customized name on it. Is there a way to save a SPECIFIC HTML TABLE as a PNG? Maybe take a screenshot of a specific coordinate on a web page? If not is there a way to render posted PHP content from the form in an HTML canvas? Any help would be great. I'm in a little over my

问题 I have a website I am building that takes data (the person's name) from a form and posts it into a customized "note" in a table on the next page. I want the user to then be able to save their "note" as an image with their customized name on it. Is there a way to save a SPECIFIC HTML TABLE as a PNG? Maybe take a screenshot of a specific coordinate on a web page? If not is there a way to render posted PHP content from the form in an HTML canvas? Any help would be great. I'm in a little over my

问题 This is a follow up question to this question The solution to the above uses DWM to display a thumbnail of an active window. If I understand correctly, it works by letting you specify the window handle of the application you want to view and then having you provide a window handle and a location on that window where windows should draw the contents of the target Window. Is there a way to render the window screen shot directly to BitmapImage or Image instead of directly drawing it somewhere in