Using Qt 5.4 using the new chromium web engine (WebEngineView) causes crash

[obscuren]

The QtWebEngine need to be initialised prior to creating new instances of WebEngineView.

#include <QtGui/QGuiApplication>
#include "qtquick2applicationviewer.h"
#include <qtwebengineglobal.h>

int main(int argc, char *argv[])
{
    QGuiApplication app(argc, argv);
    QtWebEngine::initialize(); // <= FIX
}

You'll also need to modify bridge.go and add Qt5WebEngine to pkg-config (https://github.com/go-qml/qml/blob/v1/bridge.go#L6): // #cgo pkg-config: Qt5Core Qt5Widgets Qt5Quick Qt5WebEngine.

I'm not sure how to properly fix this because

1. WebEngine is only available in Qt 5.4 (I think)
2. You don't always need the WebEngine initialised for non-webbased applications.

I'm happy to fix this and send a PR though I'll need a little direction on how to properly approach this (mostly because it locks go-qml to version 5.4).

[mickgardner]

+1 This is a fairly important feature that needs implementing as WebEngine is a far improved web browser than WebView.

[hachi8833]

+1