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Archived:Displaying sensor data in Flash Lite

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Archived.pngArchived: This article is archived because it is not considered relevant for third-party developers creating commercial solutions today. If you think this article is still relevant, let us know by adding the template {{ReviewForRemovalFromArchive|user=~~~~|write your reason here}}.

We do not recommend Flash Lite development on current Nokia devices, and all Flash Lite articles on this wiki have been archived. Flash Lite has been removed from all Nokia Asha and recent Series 40 devices and has limited support on Symbian. Specific information for Nokia Belle is available in Flash Lite on Nokia Browser for Symbian. Specific information for OLD Series 40 and Symbian devices is available in the Flash Lite Developers Library.

This code snippet demonstrates how to display sensor data using the Sensor Platform Service for Flash Lite, supported from S60 5th Edition onwards.

Article Metadata
Code ExampleTested with
Devices(s): Nokia 5800 XpressMusic
Compatibility
Platform(s): S60 5th Edition
Symbian
S60 5th Edition
Article
Keywords: Service.Sensor, sensors.FindSensorChannel(), sensors.RegisterForNotification()
Created: User:Nokia Developer KB (19 Dec 2008)
Last edited: hamishwillee (14 May 2013)

Contents

Source

// Import Platform Service Interface
import com.nokia.lib.Service;
// Heading of the application
heading_txt.text = "Sensor data (Rotation)";
 
// Create a new Service object which has Senson data
var sensors = new Service("Service.Sensor", "ISensor");
 
// Define input parameters for picking Rotation sensor
var inParam = {SearchCriterion:"Rotation"};
 
// Define result value
var outParams = sensors.FindSensorChannel(inParam);
 
// Define channel info (rotation)
var channelInfo = outParams.ReturnValue;
 
// Define valid values for channel info
var channelId = channelInfo[0].ChannelId;
var contextType = channelInfo[0].ContextType;
var quantity = channelInfo[0].Quantity;
var channelType = channelInfo[0].ChannelType;
var location = channelInfo[0].Location;
var vendorId = channelInfo[0].VendorId;
var dataItemSize = channelInfo[0].DataItemSize;
var channelDataTypeId = channelInfo[0].ChannelDataTypeId;
var channelInfo = {
ChannelId:channelId, ContextType:contextType, Quantity:quantity,
ChannelType:channelType, Location:location, VendorId:vendorId,
DataItemSize:dataItemSize, ChannelDataTypeId:channelDataTypeId
};
 
// Define input parameters for listening rotation channel data
var inParams = {ListeningType:"ChannelData", ChannelInfoMap:channelInfo};
 
// The RegisterForNotification method registers the user to receive data from
// one sensor channel asynchronously
sensors.RegisterForNotification(inParams, callBack);
 
// Because this is an asynchronous method, you need to define the callback function
// Callback function includes all the channel data
function callBack(transactionID:String, eventID:String, outParam:Object) {
if (outParam.ErrorCode == 0) {
var channelData = outParam.ReturnValue;
var xRot = channelData.XRotation;
var yRot = channelData.YRotation;
var zRot = channelData.ZRotation;
text_txt.text = "x: "+xRot+"\ry: "+yRot+"\rz: "+zRot;
} else {
var errorId = outParam.ErrorCode;
text_txt.text = "Error: "+errorId;
}
};

Postconditions

Rotation values (x,y, and z) are displayed. Values changes when the device moves.

Example application

The following sample application has been tested in Nokia 5800 XpressMusic (S60 5th Edition, Flash Lite 3.0): File:FlashLite Displaying Sensor Data.zip

See also

This page was last modified on 14 May 2013, at 06:24.
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