[Interest] [Qt 6.6.1 - MacOS] qt.permissions: Could not find permission plugin for QCameraPermission.
David M. Cotter
dave at kjams.com
Sat Jun 8 22:04:04 CEST 2024
Is there a simpler way to do this? Like something in the PLIST file?
> On Jun 7, 2024, at 1:23 PM, Nuno Santos via Interest <interest at qt-project.org> wrote:
>
> Tor,
>
> Setting QMAKE_INFO_PLIST made the trick.
>
> This should be referenced on the documentation though.
>
> Thank you!
>
> Have a great weekend!
>
> Best,
>
> Nuno
>
>> On 7 Jun 2024, at 17:11, Tor Arne Vestbø <Tor.arne.Vestbo at qt.io> wrote:
>>
>> If you set QMAKE_INFO_PLIST the permission.prf logic should resolve the required permission plugins automatically. If you have a 6.6.3 or 6.7.x based sample that reproduces that not working please file an issue.
>>
>> The part you’re missing is likely the QMAKE_LFLAGS += $$request_flag
>>
>>
>> ❯ cat ../../qtbase/mkspecs/modules/qt_plugin_qdarwincamerapermission.pri 12s
>> QT_PLUGIN.qdarwincamerapermission.TYPE = permissions
>> QT_PLUGIN.qdarwincamerapermission.EXTENDS = -
>> QT_PLUGIN.qdarwincamerapermission.DEPENDS = core
>> QT_PLUGIN.qdarwincamerapermission.CLASS_NAME = QDarwinCameraPermissionPlugin
>> QT_PLUGIN.qdarwincamerapermission.module_config = v2 staticlib
>> QT_PLUGINS += qdarwincamerapermission
>> QT_PLUGIN.qdarwincamerapermission.usage_descriptions = NSCameraUsageDescription
>> QT_PLUGIN.qdarwincamerapermission.request_flag = -Wl,-u,_QDarwinCameraPermissionRequest
>>
>> ❯ cat ../../qtbase/mkspecs/modules/qt_plugin_qdarwinmicrophonepermission.pri
>> QT_PLUGIN.qdarwinmicrophonepermission.TYPE = permissions
>> QT_PLUGIN.qdarwinmicrophonepermission.EXTENDS = -
>> QT_PLUGIN.qdarwinmicrophonepermission.DEPENDS = core
>> QT_PLUGIN.qdarwinmicrophonepermission.CLASS_NAME = QDarwinMicrophonePermissionPlugin
>> QT_PLUGIN.qdarwinmicrophonepermission.module_config = v2 staticlib
>> QT_PLUGINS += qdarwinmicrophonepermission
>> QT_PLUGIN.qdarwinmicrophonepermission.usage_descriptions = NSMicrophoneUsageDescription
>> QT_PLUGIN.qdarwinmicrophonepermission.request_flag = -Wl,-u,_QDarwinMicrophonePermissionRequest
>>
>>> On 7 Jun 2024, at 18:02, Nuno Santos <nuno.santos at imaginando.pt> wrote:
>>>
>>> Tor,
>>>
>>> Thanks for your reply. I’m still using QMake
>>>
>>> After a long time debugging I have realised that there is some kind of magic involved in using QPermission api.
>>>
>>> I have found a qmake script that seems to look at Info.plist and search for the necessary key: qtbase/mkspecs/features/permissions.prf
>>>
>>> Also, it seems that a QT_PLUGIN must be set in qmake in order to link the appropriate plugin.
>>>
>>> But this is not stated anywhere in the documentation therefore I’m linking the plugin manually:
>>>
>>> LIBS += /Users/nsantos/Qt/6.6.3/macos_static/plugins/permissions/libqdarwincamerapermission.a
>>>
>>> And I’m registering the plugin manually using: Q_IMPORT_PLUGIN(QDarwinCameraPermissionPlugin)
>>>
>>> When running the program I don’t have the same message anymore but it is still complaining about the key not being on the Info.plist when it is.
>>>
>>> checking permissions Qt::PermissionStatus::Undetermined
>>> qt.permissions: Requesting QCameraPermission requires "NSCameraUsageDescription" in Info.plist
>>>
>>> The application is code signed with the camera entitlements:
>>>
>>> Executable=/private/tmp/build-vs-Qt_6_6_3_for_macOS_static-Release/VS.app/Contents/MacOS/VS
>>> [Dict]
>>> [Key] com.apple.security.device.audio-input
>>> [Value]
>>> [Bool] true
>>> [Key] com.apple.security.device.camera
>>> [Value]
>>> [Bool] true
>>>
>>> <?xml version="1.0" encoding="UTF-8"?>
>>> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
>>> <plist version="1.0">
>>> <dict>
>>> <key>CFBundleExecutable</key>
>>> <string>VS</string>
>>> <key>CFBundleGetInfoString</key>
>>> <string>1.6.0</string>
>>> <key>CFBundleIconFile</key>
>>> <string>icon.icns</string>
>>> <key>CFBundleIdentifier</key>
>>> <string>com.imaginando.vs</string>
>>> <key>CFBundlePackageType</key>
>>> <string>APPL</string>
>>> <key>CFBundleShortVersionString</key>
>>> <string>1.6.0</string>
>>> <key>CFBundleSignature</key>
>>> <string>????</string>
>>> <key>CFBundleVersion</key>
>>> <string>1.6.0</string>
>>> <key>NSCameraUsageDescription</key>
>>> <string>You can use camera input to create audio reactive visuals</string>
>>> <key>NSMicrophoneUsageDescription</key>
>>> <string>You can use audio input to create audio reactive visuals</string>
>>> <key>NSPrincipalClass</key>
>>> <string>NSApplication</string>
>>> <key>NSSupportsAutomaticGraphicsSwitching</key>
>>> <true/>
>>> </dict>
>>> </plist>
>>>
>>> What am I missing?
>>>
>>> Thanks!
>>>
>>> Regards,
>>>
>>> Nuno
>>>
>>>> On 7 Jun 2024, at 16:32, Tor Arne Vestbø <Tor.arne.Vestbo at qt.io> wrote:
>>>>
>>>> Is the problem there in v6.6.3 as well? qmake or CMake based project?
>>>>
>>>> Tor Arne
>>>>
>>>>> On 7 Jun 2024, at 16:44, Nuno Santos via Interest <interest at qt-project.org> wrote:
>>>>>
>>>>> Hi,
>>>>>
>>>>> I’m trying to use the new QPermissions API on Qt 6.6.1 on a Mac but I’m having a problem.
>>>>>
>>>>> Even the app is code signed, has the necessary NSCameraUsageDescription on the Info.plist I always get the following message:
>>>>>
>>>>> qt.permissions: Could not find permission plugin for QCameraPermission. Please make sure you have included the required usage description in your Info.plist
>>>>>
>>>>> I’ve looked to the source code and it seems that it tried to load a plugin and this message is only shown when the plugin is not found.
>>>>>
>>>>> I’ve also checked the qt build to see if the lib was around.
>>>>>
>>>>> Am I missing something?
>>>>>
>>>>> Thanks!
>>>>>
>>>>> Regards
>>>>>
>>>>> Nuno
>>>>> _______________________________________________
>>>>> Interest mailing list
>>>>> Interest at qt-project.org
>>>>> https://lists.qt-project.org/listinfo/interest
>>>>
>>>
>>
>
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