initial qml showing on device from IDE over SSH:

main.cpp

@@ -0,0 +1,21 @@
+#include <QGuiApplication>
+#include <QQmlApplicationEngine>
+
+int main(int argc, char *argv[])
+{
+    qputenv("QT_IM_MODULE", QByteArray("qtvirtualkeyboard"));
+
+    QGuiApplication app(argc, argv);
+
+    QQmlApplicationEngine engine;
+    const QUrl url(u"qrc:/testqtonrpi/Main.qml"_qs);
+    QObject::connect(
+        &engine,
+        &QQmlApplicationEngine::objectCreationFailed,
+        &app,
+        []() { QCoreApplication::exit(-1); },
+        Qt::QueuedConnection);
+    engine.load(url);
+
+    return app.exec();
+}