/*
?*?Copyright?2012?Greg?Milette?and?Adam?Stroud
?*?
?*?Licensed?under?the?Apache?License?Version?2.0?（the?“License“）;
?*?you?may?not?use?this?file?except?in?compliance?with?the?License.
?*?You?may?obtain?a?copy?of?the?License?at
?*?
?*?		http://www.apache.org/licenses/LICENSE-2.0
?*?
?*?Unless?required?by?applicable?law?or?agreed?to?in?writing?software
?*?distributed?under?the?License?is?distributed?on?an?“AS?IS“?BASIS
?*?WITHOUT?WARRANTIES?OR?CONDITIONS?OF?ANY?KIND?either?express?or?implied.
?*?See?the?License?for?the?specific?language?governing?permissions?and
?*?limitations?under?the?License.
?*/
package?root.gast.playground.sensor.movement;

import?java.io.BufferedWriter;
import?java.io.File;
import?java.io.FileWriter;
import?java.io.IOException;
import?java.io.PrintWriter;
import?java.util.HashMap;

import?android.graphics.Color;
import?android.hardware.Sensor;
import?android.hardware.SensorEvent;
import?android.hardware.SensorEventListener;
import?android.os.SystemClock;
import?android.speech.tts.TextToSpeech;
import?android.util.Log;

import?com.androidplot.xy.LineAndPointFormatter;
import?com.androidplot.xy.LineAndPointRenderer;
import?com.androidplot.xy.SimpleXYSeries;
import?com.androidplot.xy.XYPlot;

/**
?*?Receives?accelerometer?events?and?writes?them?to?CSV?files?and?plots?them?on?a?graph.
?*?
?*?@author?Adam?Stroud?<adam.stroud@gmail.com>
?*/
public?class?AccelerationEventListener?implements?SensorEventListener
{
????private?static?final?String?TAG?=?“AccelerationEventListener“;
????private?static?final?char?CSV_DELIM?=?‘‘;
????private?static?final?int?THRESHHOLD?=?2;
????private?static?final?String?CSV_HEADER?=
????????????“X?AxisY?AxisZ?AxisAccelerationTime“;
????private?static?final?float?ALPHA?=?0.8f;
????private?static?final?int?HIGH_PASS_MINIMUM?=?10;
????private?static?final?int?MAX_SERIES_SIZE?=?30;
????private?static?final?int?CHART_REFRESH?=?125;
????
????private?PrintWriter?printWriter;
????private?long?startTime;
????private?float[]?gravity;
????private?int?highPassCount;
????private?SimpleXYSeries?xAxisSeries;
????private?SimpleXYSeries?yAxisSeries;
????private?SimpleXYSeries?zAxisSeries;
????private?SimpleXYSeries?accelerationSeries;
????private?XYPlot?xyPlot;
????private?long?lastChartRefresh;
????private?boolean?useHighPassFilter;
????private?TextToSpeech?tts;
????private?HashMap?ttsParams;
????private?String?movementText;

????public?AccelerationEventListener（XYPlot?xyPlot
?????????????????????????????????????boolean?useHighPassFilter
?????????????????????????????????????File?dataFile
?????????????????????????????????????TextToSpeech?tts
?????????????????????????????????????HashMap?ttsParams
?????????????????????????????????????String?movementText）
????{
????????this.xyPlot?=?xyPlot;
????????this.useHighPassFilter?=?useHighPassFilter;
????????this.tts?=?tts;
????????this.ttsParams?=?ttsParams;
????????this.movementTex