Add multipage example to pdf.pro; work with 5.14; fix main.cpp

- build the multipage example by default
- don't import anything that won't work with Qt 5.14
- set application attributes before creating an instance
  (to fix the warning about that)

Change-Id: I265f49ca75cae1908d4c23848cba8c42e5e3824b
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/examples/pdf/pdfviewer/main.cpp b/examples/pdf/pdfviewer/main.cpp
index 6b94a3de1..639b11825 100644
--- a/examples/pdf/pdfviewer/main.cpp
+++ b/examples/pdf/pdfviewer/main.cpp
@@ -53,11 +53,11 @@
 
 int main(int argc, char* argv[])
 {
-    QApplication app(argc, argv);
     QCoreApplication::setApplicationName("Qt Quick PDF Viewer Example");
     QCoreApplication::setOrganizationName("QtProject");
     QCoreApplication::setApplicationVersion(QT_VERSION_STR);
     QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+    QApplication app(argc, argv);
 
     QQmlApplicationEngine engine;
     engine.load(QUrl(QStringLiteral("qrc:///pdfviewer/viewer.qml")));