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Getting application black screen for bluetooth dongle disconnection(onConfigurationChange).

  • I am running the QML and Qt Quick Demo calqlatr sample application on Lenovo TB-X505F with android 10. When I try to connect Lenovo blue-tooth dongle then Application showing Black screen. I added all the configuration changes in the Android Manifest still Android main Activity getting restarted.

    <activity android:configChanges="orientation|uiMode|screenLayout|screenSize|smallestScreenSize|layoutDirection|locale|fontScale|keyboard|keyboardHidden|navigation" android:name="" android:label="abc" android:screenOrientation="landscape" android:launchMode="singleTop" android:theme="@android:style/Theme.Holo.NoActionBar.Fullscreen">