qml application got crashed after adding chartview.

NIvil Wilson

sir,
qml application got crashed after adding chartview.
the code is given below.
main.qml

import QtQuick 2.12
import QtQuick.Window 2.12
import QtCharts 2.3

Window {
    visible: true
    width: 640
    height: 480
    title: qsTr("Hello World")

    ChartView {
        width: 400
        height: 300
        theme: ChartView.ChartThemeBrownSand
        antialiasing: true

        PieSeries {
            id: pieSeries
            PieSlice { label: "eaten"; value: 94.9 }
            PieSlice { label: "not yet eaten"; value: 5.1 }
        }
    }


}

.pro file

QT += quick charts

CONFIG += c++11

# The following define makes your compiler emit warnings if you use
# any Qt feature that has been marked deprecated (the exact warnings
# depend on your compiler). Refer to the documentation for the
# deprecated API to know how to port your code away from it.
DEFINES += QT_DEPRECATED_WARNINGS

# You can also make your code fail to compile if it uses deprecated APIs.
# In order to do so, uncomment the following line.
# You can also select to disable deprecated APIs only up to a certain version of Qt.
#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0

SOURCES += \
        main.cpp

RESOURCES += qml.qrc

# Additional import path used to resolve QML modules in Qt Creator's code model
QML_IMPORT_PATH =

# Additional import path used to resolve QML modules just for Qt Quick Designer
QML_DESIGNER_IMPORT_PATH =

# Default rules for deployment.
qnx: target.path = /tmp/$${TARGET}/bin
else: unix:!android: target.path = /opt/$${TARGET}/bin
!isEmpty(target.path): INSTALLS += target

Application output

19:19:54: Starting /home/nivilwilsonp/qt_workspace/build-untitled-Desktop_Qt_5_14_2_GCC_64bit-Debug/untitled ...
QML debugging is enabled. Only use this in a safe environment.
Warning: Ignoring XDG_SESSION_TYPE=wayland on Gnome. Use QT_QPA_PLATFORM=wayland to run on Wayland anyway.
19:19:55: The program has unexpectedly finished.
19:19:55: The process was ended forcefully.
19:19:55: /home/nivilwilsonp/qt_workspace/build-untitled-Desktop_Qt_5_14_2_GCC_64bit-Debug/untitled crashed.

ODБOï

@NIvil-Wilson hi

Please read the note under the example here https://doc.qt.io/qt-5/qtcharts-qmlmodule.html
Are you using QApplication or QGuiApplication ?

NIvil Wilson

@LeLev
sir,
sorry for my ignorance and thank you for helping me .i usually use offfline documentation for application develepmemt.