added android shared preference settings accessor

Author: Skycoder42

examples/mvvmcore/DroidSettings/DroidSettings.pro

@@ -0,0 +1,17 @@
+TEMPLATE = app
+
+QT += quick mvvmcore
+
+TARGET = DroidSettings
+
+SOURCES += \
+	main.cpp \
+    settings.cpp
+
+RESOURCES += qml.qrc
+
+target.path = $$[QT_INSTALL_EXAMPLES]/mvvmcore/$$TARGET
+INSTALLS += target
+
+HEADERS += \
+    settings.h

examples/mvvmcore/DroidSettings/main.cpp

@@ -0,0 +1,21 @@
+#include <QGuiApplication>
+#include <QQmlApplicationEngine>
+#include <QQmlContext>
+#include "settings.h"
+
+int main(int argc, char *argv[])
+{
+	QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+
+	QGuiApplication app(argc, argv);
+
+	Settings settings;
+
+	QQmlApplicationEngine engine;
+	engine.rootContext()->setContextProperty(QStringLiteral("settings"), &settings);
+	engine.load(QUrl(QStringLiteral("qrc:/main.qml")));
+	if (engine.rootObjects().isEmpty())
+		return -1;
+
+	return app.exec();
+}

examples/mvvmcore/DroidSettings/main.qml

@@ -0,0 +1,69 @@
+import QtQuick 2.10
+import QtQuick.Controls 2.3
+import QtQuick.Layouts 1.3
+
+ApplicationWindow {
+	visible: true
+	width: 640
+	height: 480
+	title: qsTr("Android Settings Test")
+
+	Pane {
+		anchors.fill: parent
+
+		GridLayout {
+			anchors.fill: parent
+			columns: 6
+
+			TextField {
+				id: keyField
+				placeholderText: qsTr("key")
+				Layout.fillWidth: true
+				Layout.columnSpan: 3
+			}
+
+			TextField {
+				id: valueField
+				placeholderText: qsTr("value")
+				Layout.fillWidth: true
+				Layout.columnSpan: 3
+			}
+
+			Button {
+				id: addButton
+				text: qsTr("save")
+				Layout.fillWidth: true
+				Layout.columnSpan: 2
+				onClicked: settings.save(keyField.text, valueField.text)
+			}
+
+			Button {
+				id: loadButton
+				text: qsTr("load")
+				Layout.fillWidth: true
+				Layout.columnSpan: 2
+				onClicked: valueField.text = settings.load(keyField.text)
+			}
+
+			Button {
+				id: removeButton
+				text: qsTr("remove")
+				Layout.fillWidth: true
+				Layout.columnSpan: 2
+				onClicked: settings.remove(keyField.text)
+			}
+
+			Label {
+				id: eventLabel
+				Layout.columnSpan: 2
+				Layout.fillWidth: true
+				Layout.fillHeight: true
+
+				Connections {
+					target: settings
+					onChangeEvent: eventLabel.text = eventLabel.text + text + "\n";
+				}
+			}
+		}
+	}
+}

examples/mvvmcore/DroidSettings/qml.qrc

@@ -0,0 +1,5 @@
+<RCC>
+    <qresource prefix="/">
+        <file>main.qml</file>
+    </qresource>
+</RCC>

examples/mvvmcore/DroidSettings/settings.cpp

@@ -0,0 +1,37 @@
+#include "settings.h"
+
+Settings::Settings(QObject *parent) :
+	QObject{parent},
+	_accessor{new QtMvvm::AndroidSettingsAccessor{}}
+{
+	connect(_accessor, &QtMvvm::AndroidSettingsAccessor::entryChanged,
+			this, &Settings::entryChanged);
+	connect(_accessor, &QtMvvm::AndroidSettingsAccessor::entryRemoved,
+			this, &Settings::entryRemoved);
+}
+
+QString Settings::load(const QString &key)
+{
+	return _accessor->load(key, tr("<unset>")).toString();
+}
+
+void Settings::save(const QString &key, const QString &value)
+{
+	_accessor->save(key, value);
+}
+
+void Settings::remove(const QString &key)
+{
+	_accessor->remove(key);
+}
+
+void Settings::entryChanged(const QString &key, const QVariant &value)
+{
+	emit changeEvent(tr("Data for key <%1> changed to: %2")
+					 .arg(key, value.toString()));
+}
+
+void Settings::entryRemoved(const QString &key)
+{
+	emit changeEvent(tr("Data for key <%1> removed").arg(key));
+}

examples/mvvmcore/DroidSettings/settings.h

@@ -0,0 +1,31 @@
+#ifndef SETTINGS_H
+#define SETTINGS_H
+
+#include <QObject>
+#include <QtMvvmCore/AndroidSettingsAccessor>
+
+class Settings : public QObject
+{
+	Q_OBJECT
+
+public:
+	explicit Settings(QObject *parent = nullptr);
+
+	Q_INVOKABLE QString load(const QString &key);
+
+public Q_SLOTS:
+	void save(const QString &key, const QString &value);
+	void remove(const QString &key);
+
+Q_SIGNALS:
+	void changeEvent(const QString &text);
+
+private Q_SLOTS:
+	void entryChanged(const QString &key, const QVariant &value);
+	void entryRemoved(const QString &key);
+
+private:
+	QtMvvm::AndroidSettingsAccessor *_accessor;
+};
+
+#endif // SETTINGS_H

examples/mvvmcore/SampleCore/SampleCore.pro

@@ -35,5 +35,3 @@ DISTFILES += $$TRANSLATIONS
 
 target.path = $$[QT_INSTALL_EXAMPLES]/mvvmcore/$$TARGET
 INSTALLS += target
-
-samples_in_build: QMAKE_QSETTINGSTRANSLATOR = $$PWD/../../../bin/qsettingstranslator.py

examples/mvvmcore/mvvmcore.pro

@@ -2,4 +2,5 @@ TEMPLATE = subdirs
 QT_FOR_CONFIG += core
 
 SUBDIRS += \
-    SampleCore
+    SampleCore \
+    DroidSettings

src/imports/mvvmcore/qtmvvmcore_plugin.cpp

@@ -5,6 +5,7 @@
 #include <QtMvvmCore/ViewModel>
 #include <QtMvvmCore/SettingsViewModel>
 #include <QtMvvmCore/Messages>
+#include <QtMvvmCore/ISettingsAccessor>
 
 #include "qqmlmvvmbinding.h"
 #include "qqmlmvvmmessage.h"

src/jar/jar.pro

@@ -0,0 +1,13 @@
+TARGET = QtMvvmCore
+
+load(qt_build_paths)
+CONFIG += java
+
+DESTDIR = $$MODULE_BASE_OUTDIR/jar
+
+JAVACLASSPATH += $$PWD/src
+JAVASOURCES += $$PWD/src/de/skycoder42/qtmvvm/core/AndroidSettingsAccessor.java
+
+# install
+target.path = $$[QT_INSTALL_PREFIX]/jar
+INSTALLS += target