传感器01

package bw.com.bw_day09_sensor.demo01;

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.widget.EditText;

import bw.com.bw_day09_sensor.R;

public class SensorActivity01 extends AppCompatActivity implements SensorEventListener{

    private EditText mEt;
    private SensorManager sensorManager;
    private  Sensor sensor;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_sensor01);

        mEt = (EditText) findViewById(R.id.et_id);

        //1, 获取的传感器的管理器对象
         sensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE);

        //2, 得到传感器对象
         sensor = sensorManager.getDefaultSensor(1);//1 代表加速度传感器

    }
    //3, 注册监听器
    @Override
    protected void onResume() {
        super.onResume();
        sensorManager.registerListener(this,sensor,200);//200ms --毫秒
    }
    //4, 取消监听器
    @Override
    protected void onPause() {
        super.onPause();
        sensorManager.unregisterListener(this);
    }
    //5, 监听传感器的变化
    @Override
    public void onSensorChanged(SensorEvent event) {
        //传感器的值发生变化, 执行该方法
        //取值  --  X . Y  ,Z
        float[] data = event.values;
        String xStr = "X轴的" + data[0];
        String yStr = "Y轴的" + data[1];
        String zStr = "Z轴的" + data[2];

        mEt.setText(xStr+"\n"+yStr+"\n"+zStr);



    }
    @Override
    public void onAccuracyChanged(Sensor sensor, int accuracy) {
        //传感器的精度发生变化的回调方法
    }
}