Doc - Add tutorials on building and running example applications and creating mobile applications.

Reviewed-by: Christian Kamm

doc/examples/batteryindicator/BatteryIndicator.pro

@@ -0,0 +1,28 @@
+#-------------------------------------------------
+#
+# Project created by QtCreator 2010-05-26T16:46:58
+#
+#-------------------------------------------------
+
+QT       += core gui
+
+TARGET = BatteryIndicator
+TEMPLATE = app
+
+
+SOURCES += main.cpp\
+        batteryindicator.cpp
+
+HEADERS  += batteryindicator.h
+
+FORMS    += batteryindicator.ui
+
+CONFIG += mobility
+MOBILITY = systeminfo
+
+symbian {
+    TARGET.UID3 = 0xecbd72d7
+    # TARGET.CAPABILITY += 
+    TARGET.EPOCSTACKSIZE = 0x14000
+    TARGET.EPOCHEAPSIZE = 0x020000 0x800000
+}

doc/examples/batteryindicator/batteryindicator.cpp

@@ -0,0 +1,30 @@
+#include "batteryindicator.h"
+#include "ui_batteryindicator.h"
+
+//! [2]
+BatteryIndicator::BatteryIndicator(QWidget *parent) :
+    QDialog(parent),
+    ui(new Ui::BatteryIndicator),
+    deviceInfo(NULL)
+{
+    ui->setupUi(this);
+    setupGeneral();
+}
+//! [2]
+
+BatteryIndicator::~BatteryIndicator()
+{
+    delete ui;
+}
+
+//! [1]
+void BatteryIndicator::setupGeneral()
+{
+    deviceInfo = new QSystemDeviceInfo(this);
+
+    ui->batteryLevelBar->setValue(deviceInfo->batteryLevel());
+
+    connect(deviceInfo, SIGNAL(batteryLevelChanged(int)),
+            ui->batteryLevelBar, SLOT(setValue(int)));
+}
+//! [1]

doc/examples/batteryindicator/batteryindicator.h

@@ -0,0 +1,35 @@
+#ifndef BATTERYINDICATOR_H
+#define BATTERYINDICATOR_H
+
+#include <QDialog>
+
+//! [1]
+#include <QSystemInfo>
+//! [1]
+
+//! [2]
+QTM_USE_NAMESPACE
+//! [2]
+
+namespace Ui {
+    class BatteryIndicator;
+}
+
+class BatteryIndicator : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit BatteryIndicator(QWidget *parent = 0);
+    ~BatteryIndicator();
+
+//! [3]
+private:
+    Ui::BatteryIndicator *ui;
+    void setupGeneral();
+
+    QSystemDeviceInfo *deviceInfo;
+//! [3]
+};
+
+#endif // BATTERYINDICATOR_H

doc/examples/batteryindicator/batteryindicator.ui

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>BatteryIndicator</class>
+ <widget class="QDialog" name="BatteryIndicator">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>800</width>
+    <height>480</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>BatteryIndicator</string>
+  </property>
+  <widget class="QProgressBar" name="batteryLevelBar">
+   <property name="geometry">
+    <rect>
+     <x>10</x>
+     <y>10</y>
+     <width>118</width>
+     <height>23</height>
+    </rect>
+   </property>
+   <property name="value">
+    <number>24</number>
+   </property>
+  </widget>
+ </widget>
+ <layoutdefault spacing="6" margin="11"/>
+ <resources/>
+ <connections/>
+</ui>

doc/examples/batteryindicator/main.cpp

@@ -0,0 +1,15 @@
+#include <QtGui/QApplication>
+#include "batteryindicator.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    BatteryIndicator w;
+#if defined(Q_WS_S60)
+    w.showMaximized();
+#else
+    w.show();
+#endif
+
+    return a.exec();
+}