changed all QML versions from 2.3 to 3.1

README.md

@@ -159,7 +159,7 @@ int main()
 The in the QML file
 
 ```qml
-import QZXing 2.3
+import QZXing 3.1
 
 function decode(preview) {
 	imageToDecode.source = preview
@@ -250,7 +250,7 @@ QZXing::registerQMLImageProvider(engine);
 Default settings:
 
 ```qml
-import QZXing 2.3
+import QZXing 3.1
 
 TextField {
 	id: inputField
@@ -275,7 +275,7 @@ Or use the encoding function with the optional custom settings that are passed l
 the size of the image can be adjusted by using the Image.sourceWidth and Image.sourceHeight properties of Image QML element.
 
 ```qml
-import QZXing 2.3
+import QZXing 3.1
 
 TextField {
 	id: inputField

examples/QZXingDragNDropTest/qml/QZXingDragNDropTest/main_QtQuick1.qml

@@ -1,7 +1,7 @@
 // import QtQuick 1.0 // to target S60 5th Edition or Maemo 5
 import QtQuick 1.1
 import DropArea 1.0
-import QZXing 2.3
+import QZXing 3.1
 
 Rectangle {
     width: 360

examples/QZXingDragNDropTest/qml/QZXingDragNDropTest/main_QtQuick2.qml

@@ -1,5 +1,5 @@
 import QtQuick 2.0
-import QZXing 2.3
+import QZXing 3.1
 
 Rectangle {
     width: 360

examples/QZXingLive/main.qml

@@ -4,7 +4,7 @@ import QtQuick.Controls 2.0
 import QtQuick.Layouts 1.1
 import QtMultimedia 5.5
 
-import QZXing 2.3
+import QZXing 3.1
 
 ApplicationWindow
 {

src/QZXing.cpp

@@ -98,10 +98,10 @@ QZXing::QZXing(QZXing::DecoderFormat decodeHints, QObject *parent) : QObject(par
 #if QT_VERSION >= 0x040700
 void QZXing::registerQMLTypes()
 {
-    qmlRegisterType<QZXing>("QZXing", 2, 3, "QZXing");
+    qmlRegisterType<QZXing>("QZXing", 3, 1, "QZXing");
 
 #ifdef QZXING_MULTIMEDIA
-    qmlRegisterType<QZXingFilter>("QZXing", 2, 3, "QZXingFilter");
+    qmlRegisterType<QZXingFilter>("QZXing", 3, 1, "QZXingFilter");
 #endif //QZXING_MULTIMEDIA
 
 }