Handle operation on gravity sensor.

Usage

gravity keyword is needed to instanciate this sting.

var gravity = require('gravity');

Data accessors

• accuracy
• isPosition
• model
• position
• timestamp
• vendor
• version
• x
• y
• z

Methods

• data

Events

• onPositionChanged

Full Example

var gravity = require('gravity');
var recorder = require('recorder');

var dataResult = gravity.data();


recorder.save({
    'accuracy' : gravity.accuracy(),
    'model' : gravity.model(),
    'BACK Position' : gravity.isPosition(gravity.BACK),
    'timestamp' : gravity.timestamp(),
    'vendor' : gravity.vendor(),
    'version' : gravity.version(),
    'x' : gravity.x(),
    'y' : gravity.y(),
    'z' : gravity.z(),
    'json' : gravity.data()
});

gravity.onPositionChanged(exampleValue, function(data) {
    recorder.save(data);
    recorder.sync();
});

accuracy

Retrieve the Sensor’s current accuracy.

accuracy();

Parameters

• None.

Return

• accuracy : SensorAccuracy, Sensor’s current accuracy

isPosition

Test the current position value against the given one.

isPosition(value);

Parameters

• value : GravityPosition, type of position to test.

Return

• Boolean

model

Retrieve the Sensor’s model name.

model();

Parameters

• None.

Return

• model : String, Sensor’s model name

position

Retrieve the A human readable description of the device part oriented towards the ground.

position();

Parameters

• None.

Return

• position : GravityPosition, A human readable description of the device part oriented towards the ground

timestamp

Retrieve the represents the time of the operation..

timestamp();

Parameters

• None.

Return

• timestamp : Long, represents the time of the operation.

vendor

Retrieve the Sensor’s vendor name.

vendor();

Parameters

• None.

Return

• vendor : String, Sensor’s vendor name

version

Retrieve the Version of this sensor.

version();

Parameters

• None.

Return

• version : Integer, Version of this sensor

x

Retrieve the Gravity force along the x axis.

x();

Parameters

• None.

Return

• x : Double, Gravity force along the x axis

y

Retrieve the Gravity force along the y axis.

y();

Parameters

• None.

Return

• y : Double, Gravity force along the y axis

z

Retrieve the Gravity force along the z axis.

z();

Parameters

• None.

Return

• z : Double, Gravity force along the z axis

data

Returns every available seed.

data();

Parameters

• None.

Returns

• GravityData

onPositionChanged

Starts a listener on the gravity position and executes some actions when it changes.

onPositionChanged(filters, callback);

Parameters

• filters : JSON, defines the filters. Can be empty.
• callback : Method executed when event triggered, returns GravityData object.

Return

• token : Token used for canceling event listener.