├── qt.png
├── qmlapp.pro
├── ioscamera.h
├── main.cpp
├── Info.plist
├── ioscamera.mm
└── main.qml


/qt.png:
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https://raw.githubusercontent.com/richardmg/qtdd13_qmlapp/HEAD/qt.png


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/qmlapp.pro:
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 1 | ######################################################################
 2 | # Automatically generated by qmake (3.0) Wed Mar 6 15:34:02 2013
 3 | #####################################################################
 4 | 
 5 | TEMPLATE = app
 6 | TARGET = QmlApp
 7 | INCLUDEPATH += .
 8 | QT += quick sensors gui_private
 9 | 
10 | QMAKE_INFO_PLIST = Info.plist
11 | 
12 | SOURCES += main.cpp
13 | RESOURCES += main.qml qt.png
14 | 
15 | HEADERS += \
16 |     ioscamera.h
17 | 
18 | OBJECTIVE_SOURCES += \
19 |     ioscamera.mm
20 | 


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/ioscamera.h:
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 1 | #ifndef IOSCAMERA_H
 2 | #define IOSCAMERA_H
 3 | 
 4 | #include <QQuickItem>
 5 | 
 6 | class IOSCamera : public QQuickItem
 7 | {
 8 |     Q_OBJECT
 9 |     Q_PROPERTY(QString imagePath READ imagePath NOTIFY imagePathChanged)
10 | 
11 | public:
12 |     explicit IOSCamera(QQuickItem *parent = 0);
13 | 
14 |     QString imagePath() {
15 |         return m_imagePath;
16 |     }
17 | 
18 |     QString m_imagePath;
19 | 
20 | signals:
21 |     void imagePathChanged();
22 | 
23 | public slots:
24 |     void open();
25 | 
26 | private:
27 |     void *m_delegate;
28 | };
29 | 
30 | #endif // IOSCAMERA_H
31 | 


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/main.cpp:
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 1 | #include <QtQuick>
 2 | #include "ioscamera.h"
 3 | 
 4 | int main(int argc, char **argv)
 5 | {
 6 |     QGuiApplication app(argc, argv);
 7 |     app.primaryScreen()->setOrientationUpdateMask(Qt::PortraitOrientation | Qt::LandscapeOrientation);
 8 | 
 9 |     qmlRegisterType<IOSCamera>("IOSCamera", 1, 0, "IOSCamera");
10 | 
11 |     QQmlEngine engine;
12 |     QQmlComponent component(&engine);
13 |     component.loadUrl(QUrl("qrc:/main.qml"));
14 |     QQuickWindow* window = qobject_cast<QQuickWindow*>(component.create());
15 |     window->show();
16 | 
17 |     return app.exec();
18 | }
19 | 
20 | 
21 | 


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/Info.plist:
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 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>CFBundleDisplayName</key>
 6 | 	<string>${PRODUCT_NAME}</string>
 7 | 	<key>CFBundleExecutable</key>
 8 | 	<string>QmlApp</string>
 9 | 	<key>CFBundleGetInfoString</key>
10 | 	<string>Created by Qt/QMake</string>
11 | 	<key>CFBundleIconFile</key>
12 | 	<string></string>
13 | 	<key>CFBundleIdentifier</key>
14 | 	<string>qt.${PRODUCT_NAME:rfc1034identifier}</string>
15 | 	<key>CFBundleName</key>
16 | 	<string>${PRODUCT_NAME}</string>
17 | 	<key>CFBundlePackageType</key>
18 | 	<string>APPL</string>
19 | 	<key>CFBundleShortVersionString</key>
20 | 	<string>1.0</string>
21 | 	<key>CFBundleSignature</key>
22 | 	<string>????</string>
23 | 	<key>CFBundleVersion</key>
24 | 	<string>1.0</string>
25 | 	<key>NOTE</key>
26 | 	<string>This file was generated by Qt/QMake.</string>
27 | 	<key>NSCameraUsageDescription</key>
28 | 	<string>Uses camera</string>
29 | 	<key>UISupportedInterfaceOrientations</key>
30 | 	<array>
31 | 		<string>UIInterfaceOrientationPortrait</string>
32 | 	</array>
33 | </dict>
34 | </plist>
35 | 


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/ioscamera.mm:
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 1 | #include <UIKit/UIKit.h>
 2 | 
 3 | #include <QtGui/qpa/qplatformnativeinterface.h>
 4 | #include <QtGui>
 5 | #include <QtQuick>
 6 | 
 7 | #include "ioscamera.h"
 8 | 
 9 | @interface CameraDelegate : NSObject <UIImagePickerControllerDelegate, UINavigationControllerDelegate> {
10 |     IOSCamera *m_iosCamera;
11 | }
12 | @end
13 | 
14 | @implementation CameraDelegate
15 | 
16 | - (id) initWithIOSCamera:(IOSCamera *)iosCamera
17 | {
18 |     self = [super init];
19 |     if (self) {
20 |         m_iosCamera = iosCamera;
21 |     }
22 |     return self;
23 | }
24 | 
25 | - (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
26 | {
27 |     Q_UNUSED(picker);
28 | 
29 |     // Create the path where we want to save the image:
30 |     NSString *path = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];
31 |     path = [path stringByAppendingString:@"/capture.png"];
32 | 
33 |     // Save image:
34 |     UIImage *image = [info objectForKey:UIImagePickerControllerOriginalImage];
35 |     [UIImagePNGRepresentation(image) writeToFile:path options:NSAtomicWrite error:nil];
36 | 
37 |     // Update imagePath property to trigger QML code:
38 |     m_iosCamera->m_imagePath = QStringLiteral("file:") + QString::fromNSString(path);
39 |     emit m_iosCamera->imagePathChanged();
40 | 
41 |     // Bring back Qt's view controller:
42 |     UIViewController *rvc = [[[UIApplication sharedApplication] keyWindow] rootViewController];
43 |     [rvc dismissViewControllerAnimated:YES completion:nil];
44 | }
45 | 
46 | @end
47 | 
48 | IOSCamera::IOSCamera(QQuickItem *parent) :
49 |     QQuickItem(parent), m_delegate([[CameraDelegate alloc] initWithIOSCamera:this])
50 | {
51 | }
52 | 
53 | void IOSCamera::open()
54 | {
55 |     // Get the UIView that backs our QQuickWindow:
56 |     UIView *view = static_cast<UIView *>(
57 |                 QGuiApplication::platformNativeInterface()
58 |                 ->nativeResourceForWindow("uiview", window()));
59 |     UIViewController *qtController = [[view window] rootViewController];
60 | 
61 |     // Create a new image picker controller to show on top of Qt's view controller:
62 |     UIImagePickerController *imageController = [[[UIImagePickerController alloc] init] autorelease];
63 |     [imageController setSourceType:UIImagePickerControllerSourceTypeCamera];
64 |     [imageController setDelegate:id(m_delegate)];
65 | 
66 |     // Tell the imagecontroller to animate on top:
67 |     [qtController presentViewController:imageController animated:YES completion:nil];
68 | }
69 | 


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/main.qml:
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 1 | import QtQuick 2.1
 2 | import QtQuick.Window 2.0
 3 | import QtSensors 5.1
 4 | import IOSCamera 1.0
 5 | 
 6 | Window {
 7 |     id: mainWindow
 8 |     color: "white"
 9 | 
10 |     IOSCamera {
11 |         id: camera
12 |         onImagePathChanged: {
13 |             // The captured image has changed. But since the path stays the
14 |             // same if you take several snapshots, we clear the source first
15 |             // to force a reload.
16 |             img.source = ""
17 |             img.source = imagePath
18 |         }
19 |     }
20 | 
21 |     Accelerometer {
22 |         id: sensor
23 |         active: Qt.application.state === Qt.ApplicationActive
24 |     }
25 | 
26 |     Image {
27 |         id: img
28 |         width: 200
29 |         height: 200
30 |         source: "qt.png"
31 |         rotation: Screen.orientation === Qt.PortraitOrientation ? 0 : -90
32 |         Behavior on rotation {
33 |             NumberAnimation {
34 |                 duration: 1000
35 |                 easing.type: Easing.OutBounce
36 |             }
37 |         }
38 | 
39 |         MouseArea {
40 |             anchors.fill: parent
41 |             onClicked: camera.open()
42 |         }
43 | 
44 |         property real speedX: 0
45 |         property real speedY: 0
46 |         property real friction: 0.05
47 |         property real bounce: 0.6
48 |         property real gravity: 0.2
49 | 
50 |         property real tick: 0
51 |         NumberAnimation on tick { to: 1; duration: Number.MAX_VALUE; paused: !sensor.active }
52 | 
53 |         onTickChanged:
54 |         {
55 |             // Adjust icon speed:
56 |             speedX -= sensor.reading.x * gravity;
57 |             speedY += sensor.reading.y * gravity
58 | 
59 |             // Calculate where the icon should be:
60 |             x += (speedX > 0) ? Math.max(0, speedX - friction) : Math.min(0, speedX + friction);
61 |             y += (speedY > 0) ? Math.max(0, speedY - friction) : Math.min(0, speedY + friction)
62 | 
63 |             // Bounce icon back in if outside screen:
64 |             if (x < 0) {
65 |                 x = 0
66 |                 speedX = speedX * -1 * bounce
67 |             } else  if (x > mainWindow.width - paintedWidth) {
68 |                 x = mainWindow.width - paintedWidth
69 |                 speedX = speedX * -1 * bounce
70 |             }
71 | 
72 |             if (y < 0) {
73 |                 y = 0
74 |                 speedY = speedY * -1 * bounce
75 |             }
76 | 
77 |             if (y > mainWindow.height - paintedHeight) {
78 |                 y = mainWindow.height - paintedHeight
79 |                 speedY = speedY * -1 * bounce
80 |             }
81 |         }
82 | 
83 |     }
84 | }
85 | 


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