android 4.4 Step Counter Sensor计步器的试用

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Android 官方参考

https://source.android.com/devices/sensors/composite_sensors.html

https://developer.android.com/guide/topics/sensors/sensors_motion.html

Developer - Location and Sensors APIs

Developer - Sensors Overview

Sensors SDK API reference

Android Hardware Abstraction Layer - sensors.h

SensorManager

DEmo.zip下载

先简单实现下功能，明天在优化。

package com.example.stepdemp;import android.content.Context;import android.hardware.Sensor;import android.hardware.SensorEvent;import android.hardware.SensorEventListener;import android.hardware.SensorManager;import android.widget.Toast;public class Pedometer implements SensorEventListener {private SensorManager mSensorManager;private Sensor mStepCount;private Sensor mStepDetector;private float mCount;//步行总数 private float mDetector;//步行探测器 private Context context;private static final int sensorTypeD=Sensor.TYPE_STEP_DETECTOR;private static final int sensorTypeC=Sensor.TYPE_STEP_COUNTER;public Pedometer() {}public Pedometer(Context context) {this.context = context; mSensorManager = (SensorManager) context.getSystemService(Context.SENSOR_SERVICE);mStepCount = mSensorManager.getDefaultSensor(sensorTypeC);mStepDetector = mSensorManager.getDefaultSensor(sensorTypeD);}public void register(){ register(mStepCount, SensorManager.SENSOR_DELAY_FASTEST);register(mStepDetector, SensorManager.SENSOR_DELAY_FASTEST);}public void unRegister(){mSensorManager.unregisterListener(this);}private void register(Sensor sensor,int rateUs) {mSensorManager.registerListener(this, sensor, rateUs); }@Overridepublic void onAccuracyChanged(Sensor sensor, int accuracy) { }@Overridepublic void onSensorChanged(SensorEvent event) { if (event.sensor.getType()==sensorTypeC) { setStepCount(event.values[0]);  }if (event.sensor.getType()==sensorTypeD) { if (event.values[0]==1.0) { mDetector++;} }}public float getStepCount() {return mCount;}private void setStepCount(float count) {this.mCount = count;}public float getmDetector() {return mDetector;}}

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