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Revision as of 08:02, 6 August 2012 by hamishwillee (Talk | contribs)

Archived:Obtaining the number of sensors on a device using Symbian C++

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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}}.

Remove from Archive?: This article has been marked for removal from archive, for the following reasons:
This code looks like it would still be valid using Symbian C++ on current versions

Article Metadata
Tested with
Devices(s): Nokia N95 8GB
Compatibility
Platform(s): S60 3rd Edition FP1
S60 3rd Edition FP2
S60 3rd Edition FP1
Platform Security
Signing Required: Self-Signed
Article
Keywords: CRRSensorApi, TRRSensorInfo, CRRSensorApi::FindSensorsL()
Created: tapiolaitinen (02 Apr 2008)
Last edited: hamishwillee (06 Aug 2012)

Contents

Overview

This snippet demonstrates how to obtain the number of available sensors on your device (for example, two on the Nokia N95 8GB: accelerometer sensor and rotation sensor).

Note: In order to use the code, you need to install the sensor plugin for your SDK.

MMP file

The following libraries are required:

LIBRARY RRSensorApi.lib

Source file

#include <RRSensorApi.h>
RArray<TRRSensorInfo> sensorList;
CleanupClosePushL(sensorList);
 
// Retrieve list of available sensors
CRRSensorApi::FindSensorsL(sensorList);
 
// Get number of sensors available
TInt sensorCount = sensorList.Count();
 
CleanupStack::PopAndDestroy(); // sensorList

Postconditions

The number of available sensors is obtained.

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