Uploaded image for project: 'Qt'
  1. Qt
  2. QTBUG-53083

[Android] QQuickWindow::grabWindow() will return a black image

    XMLWordPrintable

Details

    • Bug
    • Resolution: Done
    • P2: Important
    • 5.9
    • 5.6.0
    • QPA
    • Android
    • Android

    Description

      Steps to reproduce:
      1. Unpack & Run QTBUG-53083.tar.gz test application to reproduce the issue.
      2. Black screenshot is shown with the devices suffering from this issue.

      QQuickWindow::grabWindow() will return a black image on these devises:

      • Samsung Galaxy Alpha: Android 5.0.2
      • Samsung Galaxy Tab S: Android 4.4.2
      • Samsung Nexus 10: Android 5.0.2

      Devices where QQuickWindow::grabWindow is working fine:

      • Nexus 7 (Android 5.0.2)
      • ASUS ZenPad 10 (Android 5.0.2)
      • Samsung Tab SM-T560 (Android 4.4.4).

      Attachments

        1. GrabWindowDemo.zip
          7 kB
        2. grabtoimage.tar.bz2
          2 kB
        3. QTBUG-53083.tar.gz
          2 kB

        Issue Links

          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-34846 Android don't have grab windows

          • P3: Somewhat important - Should be fixed, but doesn't affect the release in any way.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-52037 QQuickWindow::grabWindows() can't get image.

          • P3: Somewhat important - Should be fixed, but doesn't affect the release in any way.
          • Closed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-59283 Reading from FBO yields black image with GPU Mali-T860

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-59303 In few android devices grabToImage take a black image

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-63275 Android QScreen::grabWindow(0) & sample code Screenshot::shootScreen() fails on Android

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed

          Activity

            People

              esabraha Eskil Abrahamsen Blomfeldt
              kileppal Kimmo Leppälä
              Votes:
              3 Vote for this issue
              Watchers:
              7 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: