Android加速度传感器

Android加速度传感器

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效果图

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手机平放桌面的两张截屏，数据一直在刷新

源码

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下载地址（Android Studio工程）：http://download.youkuaiyun.com/detail/q4878802/9065313

步骤

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传感器使用步骤之前已经介绍过，地址：http://blog.youkuaiyun.com/q4878802/article/details/48112477

代码

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package com.example.kongqw.kqwsensorforaccelerometerdemo;



import android.app.Activity;

import android.content.Context;

import android.hardware.Sensor;

import android.hardware.SensorEvent;

import android.hardware.SensorEventListener;

import android.hardware.SensorManager;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.widget.TextView;



public class MainActivity extends Activity implements SensorEventListener {



    private TextView mTvShow;

    private SensorManager mSensorManager;



    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);



        mTvShow = (TextView) findViewById(R.id.tv_show);



        // 获取传感器管理者对象

        mSensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE);



        // 获取加速度传感器对象

        Sensor sensor = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);



        // 添加监听器

        mSensorManager.registerListener(this, sensor, SensorManager.SENSOR_DELAY_UI);



    }



    @Override

    public void onSensorChanged(SensorEvent event) {

        // 传感器返回的数据

        float[] values = event.values;

        StringBuffer buffer = new StringBuffer();

        buffer.append("X方向的加速度为：").append(values[0]).append("\n");

        buffer.append("Y方向的加速度为：").append(values[1]).append("\n");

        buffer.append("Z方向的加速度为：").append(values[2]).append("\n");

        mTvShow.setText(buffer);

    }



    @Override

    public void onAccuracyChanged(Sensor sensor, int accuracy) {



    }

}

XML页面布局

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<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:paddingBottom="@dimen/activity_vertical_margin"

    android:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin"

    tools:context=".MainActivity">