[
	{
		"protocol": "launchmyapp"
	}
]

Qt.openUrlExternally("launchmyapp:///123");

{
    "architecture": "all",
    "description": "description of MyApp",
    "framework": "ubuntu-sdk-14.10-dev2",
    "hooks": {
        "MyApp": {
            "apparmor": "MyApp.apparmor",
            "desktop": "MyApp.desktop",
	    "urls": "MyApp.url-dispatcher"
        }
    },
    "maintainer": "XiaoGuo, Liu <xiaoguo.liu@canonical.com>",
    "name": "com.ubuntu.developer.unknown.myapp",
    "title": "MyApp",
    "version": "0.1"
}

[Desktop Entry]
Name=MyApp
Exec=qmlscene $@ main.qml -- %u
Icon=MyApp.png
Terminal=false
Type=Application
X-Ubuntu-Touch=true

import QtQuick 2.0
import Ubuntu.Components 1.1

/*!
    \brief MainView with a Label and Button elements.
*/

MainView {
    id:root

    // objectName for functional testing purposes (autopilot-qt5)
    objectName: "mainView"

    // Note! applicationName needs to match the "name" field of the click manifest
    applicationName: "com.ubuntu.developer.unknown.myapp"

    Component.onCompleted: {
        mylabel.text = "aaaa";
        console.log( "arg length: " + myarg.arguments.length );

        if ( myarg.defaultArgument === undefined) {
            mylabel.text = "undefined";
        } else {
            mylabel.text = "args: " + myarg.defaultArgument.at(0);
        }

        console.log("argument: " + myarg.defaultArgument.at(0));
        console.log("")
    }

    Arguments {
        id: myarg
        defaultArgument.help: "Expects URL of the media to play."
        defaultArgument.valueNames: ["URL"]
    }

    /*
     This property enables the application to change orientation
     when the device is rotated. The default is false.
    */
    //automaticOrientation: true

    // Removes the old toolbar and enables new features of the new header.
    useDeprecatedToolbar: false

    width: units.gu(50)
    height: units.gu(75)

    Page {
        title: i18n.tr("MyApp")

        Column {
            spacing: units.gu(1)
            anchors {
                margins: units.gu(2)
                fill: parent
            }

            Row {
                spacing: units.gu(2)

                Label {
                    id: mylabel
                    objectName: "label"

                    text: i18n.tr("Received parameters: ")
                }

                Label {
                    id: label
                    objectName: "label"

                    text: i18n.tr("")
                }

                Connections {
                    target: UriHandler
                    onOpened: {
                        // root.applicationName = "good"
                        mylabel.text = "dddddd";

                        var para = "";
                        for (var i = 0; i < uris.length; ++i) {
                            // application.parseArgument(uris[i])
                            console.log( uris[i] );
                            para +=  uris[i];
                        }

                        label.text = para;
                    }
                }
            }
        }
    }

}

    Arguments {
        id: myarg
        defaultArgument.help: "Expects URL of the media to play."
        defaultArgument.valueNames: ["URL"]
    }

２）创建调用应用

import QtQuick 2.0
import Ubuntu.Components 1.1

/*!
    \brief MainView with a Label and Button elements.
*/

MainView {
    // objectName for functional testing purposes (autopilot-qt5)
    objectName: "mainView"

    // Note! applicationName needs to match the "name" field of the click manifest
    applicationName: "com.ubuntu.developer.unknown.launchmyapp"

    /*
     This property enables the application to change orientation
     when the device is rotated. The default is false.
    */
    //automaticOrientation: true

    // Removes the old toolbar and enables new features of the new header.
    useDeprecatedToolbar: false

    width: units.gu(100)
    height: units.gu(75)

    Page {
        title: i18n.tr("LaunchMyApp")

        Column {
            spacing: units.gu(1)
            anchors {
                margins: units.gu(2)
                fill: parent
            }

            Button {
                objectName: "button"
                width: parent.width

                text: i18n.tr("Launch MyApp")

                onClicked: {
                    Qt.openUrlExternally("launchmyapp:///123");
                }
            }

            Button {
                objectName: "button"
                width: parent.width

                text: i18n.tr("Open MyApp")

                onClicked: {
                    Qt.openUrlExternally("appid://com.ubuntu.developer.unknown.myapp/MyApp/current-user-version");
                }
            }
        }
    }
}

 Qt.openUrlExternally("launchmyapp:///123");

Qt.openUrlExternally("appid://com.ubuntu.developer.unknown.myapp/MyApp/current-user-version");