Details
-
Bug
-
Resolution: Unresolved
-
P1: Critical
-
None
-
6.8.2
-
Pixel 4 Emulator x86_64, API Level 31
-
Android
Description
See attached project, which now crashes at startup.
Code
#include <QQuickItem> #include <QPermissions> //#define DEFER_REQUEST class MyItem : public QQuickItem { Q_OBJECT QML_ELEMENT public: MyItem(QQuickItem *parent = nullptr) : QQuickItem(parent) {} void componentComplete() override { qDebug() << "componentComplete() thread:" << QThread::currentThread(); QQuickItem::componentComplete(); initiateLocation(); } private: void initiateLocation() { qDebug() << "initiateLocation() thread:" << QThread::currentThread(); QLocationPermission locationPermission{}; locationPermission.setAccuracy(QLocationPermission::Accuracy::Approximate); locationPermission.setAvailability(QLocationPermission::Availability::WhenInUse); switch (qApp->checkPermission(locationPermission)) { case Qt::PermissionStatus::Undetermined: #ifndef DEFER_REQUEST qApp->requestPermission(locationPermission, this, &MyItem::initiateLocation); qDebug() << "Requested permission"; #else QMetaObject::invokeMethod(this, [=]{ qApp->requestPermission(locationPermission, this, &MyItem::initiateLocation); qDebug() << "Requested permission"; }, Qt::QueuedConnection); #endif return; default: qDebug() << "Permission already determined"; return; } } };
Outcome at startup
D/default : componentComplete() thread: QThread(0x78fefde237f0, name = "QtMainLoopThread") D/default : initiateLocation() thread: QThread(0x78fefde237f0, name = "QtMainLoopThread") D/default : Requested permission D/HostConnection: createUnique: call D/HostConnection: HostConnection::get() New Host Connection established 0x78ff7de1c290, tid 26220 D/HostConnection: HostComposition ext ANDROID_EMU_CHECKSUM_HELPER_v1 ANDROID_EMU_native_sync_v2 ANDROID_EMU_native_sync_v3 ANDROID_EMU_native_sync_v4 ANDROID_EMU_dma_v1 ANDROID_EMU_direct_mem ANDROID_EMU_host_composition_v1 ANDROID_EMU_host_composition_v2 ANDROID_EMU_vulkan ANDROID_EMU_deferred_vulkan_commands ANDROID_EMU_vulkan_null_optional_strings ANDROID_EMU_vulkan_create_resources_with_requirements ANDROID_EMU_YUV_Cache ANDROID_EMU_vulkan_ignored_handles ANDROID_EMU_has_shared_slots_host_memory_allocator ANDROID_EMU_vulkan_free_memory_sync ANDROID_EMU_vulkan_shader_float16_int8 ANDROID_EMU_vulkan_async_queue_submit ANDROID_EMU_vulkan_queue_submit_with_commands ANDROID_EMU_sync_buffer_data ANDROID_EMU_vulkan_async_qsri ANDROID_EMU_read_color_buffer_dma GL_OES_EGL_image_external_essl3 GL_OES_vertex_array_object GL_KHR_texture_compression_astc_ldr ANDROID_EMU_host_side_tracing ANDROID_EMU_gles_max_version_3_0 D/EGL_emulation: eglCreateContext: 0x78ff7de24750: maj 3 min 0 rcv 3 D/EGL_emulation: eglMakeCurrent: 0x78ff7de24750: ver 3 0 (tinfo 0x79019a46d100) (first time) D/HostConnection: createUnique: call D/HostConnection: HostConnection::get() New Host Connection established 0x78ff7de1a910, tid 26261 D/HostConnection: HostComposition ext ANDROID_EMU_CHECKSUM_HELPER_v1 ANDROID_EMU_native_sync_v2 ANDROID_EMU_native_sync_v3 ANDROID_EMU_native_sync_v4 ANDROID_EMU_dma_v1 ANDROID_EMU_direct_mem ANDROID_EMU_host_composition_v1 ANDROID_EMU_host_composition_v2 ANDROID_EMU_vulkan ANDROID_EMU_deferred_vulkan_commands ANDROID_EMU_vulkan_null_optional_strings ANDROID_EMU_vulkan_create_resources_with_requirements ANDROID_EMU_YUV_Cache ANDROID_EMU_vulkan_ignored_handles ANDROID_EMU_has_shared_slots_host_memory_allocator ANDROID_EMU_vulkan_free_memory_sync ANDROID_EMU_vulkan_shader_float16_int8 ANDROID_EMU_vulkan_async_queue_submit ANDROID_EMU_vulkan_queue_submit_with_commands ANDROID_EMU_sync_buffer_data ANDROID_EMU_vulkan_async_qsri ANDROID_EMU_read_color_buffer_dma GL_OES_EGL_image_external_essl3 GL_OES_vertex_array_object GL_KHR_texture_compression_astc_ldr ANDROID_EMU_host_side_tracing ANDROID_EMU_gles_max_version_3_0 D/EGL_emulation: eglCreateContext: 0x78ff7de1ae50: maj 3 min 0 rcv 3 D/EGL_emulation: eglMakeCurrent: 0x78ff7de1ae50: ver 3 0 (tinfo 0x79019a46d180) (first time) W/default : QRhiGles2: Failed to make context current. Expect bad things to happen. W/default : Failed to create RHI (backend 2) W/default : Failed to create QRhi on the render thread; scenegraph is not functional F/default : Failed to initialize graphics backend for OpenGL. F/libc : Fatal signal 6 (SIGABRT), code -1 (SI_QUEUE) in tid 26220 (qtMainLoopThrea), pid 26183 (PermissionsTest) F/DEBUG : *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** F/DEBUG : Build fingerprint: 'google/sdk_gphone64_x86_64/emulator64_x86_64_arm64:12/SE1A.211212.001.B1/8023802:user/release-keys' Art: Compiled App Profiles. F/DEBUG : Revision: '0' F/DEBUG : ABI: 'x86_64' F/DEBUG : Timestamp: 2025-02-28 20:41:58.334067000+0800 F/DEBUG : Process uptime: 0s F/DEBUG : Cmdline: org.qtproject.example.appQuickPermissionsTest F/DEBUG : pid: 26183, tid: 26220, name: qtMainLoopThrea >>> org.qtproject.example.appQuickPermissionsTest <<< F/DEBUG : uid: 10165 F/DEBUG : signal 6 (SIGABRT), code -1 (SI_QUEUE), fault addr -------- F/DEBUG : Abort message: 'Failed to initialize graphics backend for OpenGL. F/DEBUG : ' F/DEBUG : rax 0000000000000000 rbx 0000000000006647 rcx 00007901862df5cf rdx 0000000000000006 F/DEBUG : r8 000078fe74abdbaf r9 000078fe74abdbaf r10 000078fe81ef3a40 r11 0000000000000207 F/DEBUG : r12 000078fe81ef3c80 r13 000078fefde37650 r14 000078fe81ef3a38 r15 000000000000666c F/DEBUG : rdi 0000000000006647 rsi 000000000000666c F/DEBUG : rbp 000000006de55101 rsp 000078fe81ef3a30 rip 00007901862df5cf F/DEBUG : backtrace: F/DEBUG : #00 pc 000000000005e5cf /apex/com.android.runtime/lib64/bionic/libc.so (abort+191) (BuildId: 5db8d317d3741b337ef046540bbdd0f7) F/DEBUG : #01 pc 000000000031a866 /data/app/~~S9aSStKaejKbGHPVmmGnfw==/org.qtproject.example.appQuickPermissionsTest-XjCXOnPqFb_x0ktEcRcZOw==/lib/x86_64/libQt6Core_x86_64.so (BuildId: 41eaa638714d4dc6ece3d1ce66e487059e996470) F/DEBUG : #02 pc 000000000031f16a /data/app/~~S9aSStKaejKbGHPVmmGnfw==/org.qtproject.example.appQuickPermissionsTest-XjCXOnPqFb_x0ktEcRcZOw==/lib/x86_64/libQt6Core_x86_64.so (BuildId: 41eaa638714d4dc6ece3d1ce66e487059e996470) F/DEBUG : #03 pc 000000000032033e /data/app/~~S9aSStKaejKbGHPVmmGnfw==/org.qtproject.example.appQuickPermissionsTest-XjCXOnPqFb_x0ktEcRcZOw==/lib/x86_64/libQt6Core_x86_64.so (QMessageLogger::fatal(char const*, ...) const+210) (BuildId: 41eaa638714d4dc6ece3d1ce66e487059e996470) F/DEBUG : #04 pc 00000000004d270f /data/app/~~S9aSStKaejKbGHPVmmGnfw==/org.qtproject.example.appQuickPermissionsTest-XjCXOnPqFb_x0ktEcRcZOw==/lib/x86_64/libQt6Quick_x86_64.so (QSGRenderLoop::handleContextCreationFailure(QQuickWindow*)+435) (BuildId: 0bff59824f3de6a5ccc93ee294c2ad654b839604) F/DEBUG : #05 pc 00000000004680e0 /data/app/~~S9aSStKaejKbGHPVmmGnfw==/org.qtproject.example.appQuickPermissionsTest-XjCXOnPqFb_x0ktEcRcZOw==/lib/x86_64/libQt6Quick_x86_64.so (QQuickWindow::event(QEvent*)+3582) (BuildId: 0bff59824f3de6a5ccc93ee294c2ad654b839604) F/DEBUG : #06 pc 00000000004745ed /data/app/~~S9aSStKaejKbGHPVmmGnfw==/org.qtproject.example.appQuickPermissionsTest-XjCXOnPqFb_x0ktEcRcZOw==/lib/x86_64/libQt6Quick_x86_64.so (QQuickWindowQmlImpl::event(QEvent*)+315) (BuildId: 0bff59824f3de6a5ccc93ee294c2ad654b839604) F/DEBUG : #07 pc 0000000000374059 /data/app/~~S9aSStKaejKbGHPVmmGnfw==/org.qtproject.example.appQuickPermissionsTest-XjCXOnPqFb_x0ktEcRcZOw==/lib/x86_64/libQt6Core_x86_64.so (QCoreApplication::notifyInternal2(QObject*, QEvent*)+137) (BuildId: 41eaa638714d4dc6ece3d1ce66e487059e996470) F/DEBUG : #08 pc 0000000000374d1a /data/app/~~S9aSStKaejKbGHPVmmGnfw==/org.qtproject.example.appQuickPermissionsTest-XjCXOnPqFb_x0ktEcRcZOw==/lib/x86_64/libQt6Core_x86_64.so (QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*)+478) (BuildId: 41eaa638714d4dc6ece3d1ce66e487059e996470) F/DEBUG : #09 pc 0000000000491b7b /data/app/~~S9aSStKaejKbGHPVmmGnfw==/org.qtproject.example.appQuickPermissionsTest-XjCXOnPqFb_x0ktEcRcZOw==/lib/x86_64/libQt6Core_x86_64.so (QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)+81) (BuildId: 41eaa638714d4dc6ece3d1ce66e487059e996470) F/DEBUG : #10 pc 0000000000682215 /data/app/~~S9aSStKaejKbGHPVmmGnfw==/org.qtproject.example.appQuickPermissionsTest-XjCXOnPqFb_x0ktEcRcZOw==/lib/x86_64/libQt6Gui_x86_64.so (QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)+13) (BuildId: c15d19820d2ab79b96f71c1c53ae632dc1611892) F/DEBUG : #11 pc 000000000006752d /data/app/~~S9aSStKaejKbGHPVmmGnfw==/org.qtproject.example.appQuickPermissionsTest-XjCXOnPqFb_x0ktEcRcZOw==/lib/x86_64/libplugins_platforms_qtforandroid_x86_64.so (BuildId: 8ae73a394de8a3741508fcc5a69b84b4401937ae) F/DEBUG : #12 pc 000000000037b1cd /data/app/~~S9aSStKaejKbGHPVmmGnfw==/org.qtproject.example.appQuickPermissionsTest-XjCXOnPqFb_x0ktEcRcZOw==/lib/x86_64/libQt6Core_x86_64.so (QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)+325) (BuildId: 41eaa638714d4dc6ece3d1ce66e487059e996470) F/DEBUG : #13 pc 0000000000374591 /data/app/~~S9aSStKaejKbGHPVmmGnfw==/org.qtproject.example.appQuickPermissionsTest-XjCXOnPqFb_x0ktEcRcZOw==/lib/x86_64/libQt6Core_x86_64.so (QCoreApplication::exec()+155) (BuildId: 41eaa638714d4dc6ece3d1ce66e487059e996470) F/DEBUG : #14 pc 00000000000173e4 /data/app/~~S9aSStKaejKbGHPVmmGnfw==/org.qtproject.example.appQuickPermissionsTest-XjCXOnPqFb_x0ktEcRcZOw==/lib/x86_64/libappQuickPermissionsTest_x86_64.so (main+420) (BuildId: 3ea1f5848c05cafc046318587d58cf7796bdbd2d) F/DEBUG : #15 pc 000000000005ea17 /data/app/~~S9aSStKaejKbGHPVmmGnfw==/org.qtproject.example.appQuickPermissionsTest-XjCXOnPqFb_x0ktEcRcZOw==/lib/x86_64/libplugins_platforms_qtforandroid_x86_64.so (BuildId: 8ae73a394de8a3741508fcc5a69b84b4401937ae) F/DEBUG : #16 pc 00000000003a032b /apex/com.android.art/lib64/libart.so (art_quick_generic_jni_trampoline+219) (BuildId: cfc3de5d1c7b2855effeb77a784fc353) F/DEBUG : #17 pc 0000000000395376 /apex/com.android.art/lib64/libart.so (art_quick_invoke_static_stub+806) (BuildId: cfc3de5d1c7b2855effeb77a784fc353) F/DEBUG : #18 pc 000000000041da09 /apex/com.android.art/lib64/libart.so (art::ArtMethod::Invoke(art::Thread*, unsigned int*, unsigned int, art::JValue*, char const*)+233) (BuildId: cfc3de5d1c7b2855effeb77a784fc353) F/DEBUG : #19 pc 00000000005a335c /apex/com.android.art/lib64/libart.so (art::interpreter::ArtInterpreterToCompiledCodeBridge(art::Thread*, art::ArtMethod*, art::ShadowFrame*, unsigned short, art::JValue*)+428) (BuildId: cfc3de5d1c7b2855effeb77a784fc353) F/DEBUG : #20 pc 000000000059d16c /apex/com.android.art/lib64/libart.so (bool art::interpreter::DoCall<false, false>(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, art::JValue*)+1036) (BuildId: cfc3de5d1c7b2855effeb77a784fc353) F/DEBUG : #21 pc 000000000097c172 /apex/com.android.art/lib64/libart.so (MterpInvokeStatic+1410) (BuildId: cfc3de5d1c7b2855effeb77a784fc353) F/DEBUG : #22 pc 000000000037e899 /apex/com.android.art/lib64/libart.so (mterp_op_invoke_static+25) (BuildId: cfc3de5d1c7b2855effeb77a784fc353) F/DEBUG : #23 pc 00000000001ffa64 /data/app/~~S9aSStKaejKbGHPVmmGnfw==/org.qtproject.example.appQuickPermissionsTest-XjCXOnPqFb_x0ktEcRcZOw==/base.apk F/DEBUG : #24 pc 0000000000594b42 /apex/com.android.art/lib64/libart.so (art::interpreter::Execute(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame&, art::JValue, bool, bool)+306) (BuildId: cfc3de5d1c7b2855effeb77a784fc353) F/DEBUG : #25 pc 000000000059c55b /apex/com.android.art/lib64/libart.so (art::interpreter::ArtInterpreterToInterpreterBridge(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame*, art::JValue*)+203) (BuildId: cfc3de5d1c7b2855effeb77a784fc353) F/DEBUG : #26 pc 000000000059d14d /apex/com.android.art/lib64/libart.so (bool art::interpreter::DoCall<false, false>(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, art::JValue*)+1005) (BuildId: cfc3de5d1c7b2855effeb77a784fc353) F/DEBUG : #27 pc 0000000000975bfc /apex/com.android.art/lib64/libart.so (MterpInvokeInterface+1900) (BuildId: cfc3de5d1c7b2855effeb77a784fc353) F/DEBUG : #28 pc 000000000037e919 /apex/com.android.art/lib64/libart.so (mterp_op_invoke_interface+25) (BuildId: cfc3de5d1c7b2855effeb77a784fc353) F/DEBUG : #29 pc 0000000000201764 /data/app/~~S9aSStKaejKbGHPVmmGnfw==/org.qtproject.example.appQuickPermissionsTest-XjCXOnPqFb_x0ktEcRcZOw==/base.apk F/DEBUG : #30 pc 0000000000594b42 /apex/com.android.art/lib64/libart.so (art::interpreter::Execute(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame&, art::JValue, bool, bool)+306) (BuildId: cfc3de5d1c7b2855effeb77a784fc353) F/DEBUG : #31 pc 000000000059c55b /apex/com.android.art/lib64/libart.so (art::interpreter::ArtInterpreterToInterpreterBridge(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame*, art::JValue*)+203) (BuildId: cfc3de5d1c7b2855effeb77a784fc353) F/DEBUG : #32 pc 000000000059d14d /apex/com.android.art/lib64/libart.so (bool art::interpreter::DoCall<false, false>(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, art::JValue*)+1005) (BuildId: cfc3de5d1c7b2855effeb77a784fc353) F/DEBUG : #33 pc 0000000000975bfc /apex/com.android.art/lib64/libart.so (MterpInvokeInterface+1900) (BuildId: cfc3de5d1c7b2855effeb77a784fc353) F/DEBUG : #34 pc 000000000037e919 /apex/com.android.art/lib64/libart.so (mterp_op_invoke_interface+25) (BuildId: cfc3de5d1c7b2855effeb77a784fc353) F/DEBUG : #35 pc 00000000000eda70 /apex/com.android.art/javalib/core-oj.jar F/DEBUG : #36 pc 0000000000594b42 /apex/com.android.art/lib64/libart.so (art::interpreter::Execute(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame&, art::JValue, bool, bool)+306) (BuildId: cfc3de5d1c7b2855effeb77a784fc353) F/DEBUG : #37 pc 0000000000959a6f /apex/com.android.art/lib64/libart.so (artQuickToInterpreterBridge+1007) (BuildId: cfc3de5d1c7b2855effeb77a784fc353) F/DEBUG : #38 pc 00000000003a04bc /apex/com.android.art/lib64/libart.so (art_quick_to_interpreter_bridge+140) (BuildId: cfc3de5d1c7b2855effeb77a784fc353) F/DEBUG : #39 pc 0000000000395014 /apex/com.android.art/lib64/libart.so (art_quick_invoke_stub+756) (BuildId: cfc3de5d1c7b2855effeb77a784fc353) F/DEBUG : #40 pc 000000000041d9fa /apex/com.android.art/lib64/libart.so (art::ArtMethod::Invoke(art::Thread*, unsigned int*, unsigned int, art::JValue*, char const*)+218) (BuildId: cfc3de5d1c7b2855effeb77a784fc353) F/DEBUG : #41 pc 000000000081aafe /apex/com.android.art/lib64/libart.so (art::JValue art::InvokeVirtualOrInterfaceWithJValues<art::ArtMethod*>(art::ScopedObjectAccessAlreadyRunnable const&, _jobject*, art::ArtMethod*, jvalue const*)+478) (BuildId: cfc3de5d1c7b2855effeb77a784fc353) F/DEBUG : #42 pc 000000000087a0cf /apex/com.android.art/lib64/libart.so (art::Thread::CreateCallback(void*)+1343) (BuildId: cfc3de5d1c7b2855effeb77a784fc353) F/DEBUG : #43 pc 00000000000c758a /apex/com.android.runtime/lib64/bionic/libc.so (__pthread_start(void*)+58) (BuildId: 5db8d317d3741b337ef046540bbdd0f7) F/DEBUG : #44 pc 000000000005fd87 /apex/com.android.runtime/lib64/bionic/libc.so (__start_thread+55) (BuildId: 5db8d317d3741b337ef046540bbdd0f7)
Workarounds
- Defer the call to qApp->requestPermission() (can be enabled in the example project by defining the DEFER_REQUEST macro), OR
- Use the QML API instead: https://doc.qt.io/qt-6//qml-application-permissions.html