Android 获取imu数据

最新推荐文章于 2025-07-03 16:13:16 发布

xueyuanlzh

最新推荐文章于 2025-07-03 16:13:16 发布

阅读量3.8k

点赞数

分类专栏： Android orb-slam

orb-slam 同时被 2 个专栏收录

5 篇文章

订阅专栏

Android

3 篇文章

订阅专栏

本文介绍了一个具体的Android应用程序案例，展示了如何使用Android设备内置的各种传感器，如加速度计、陀螺仪和磁力计，并实时显示这些传感器的数据。通过实例代码详细讲解了如何获取传感器数据并更新UI。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

https://blog.youkuaiyun.com/roadoneplus/article/details/52669095

MainActivity.java

package com.example.hhh;

//import android.app.Activity;
//import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.WindowManager;

import java.security.PublicKey;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import android.R.integer;
import android.R.string;
import android.accounts.Account;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

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.os.Bundle;
import android.widget.TextView;

public class MainActivity extends Activity implements OnClickListener {

   //声明变量
   //private Handler mHandler;

   //private Button back ;
   Button back ;


   private SensorManager sensorManager;
   private TextView accxText;
   private TextView accyText;
   private TextView acczText;
   private TextView gyroxText;
   private TextView gyroyText;
   private TextView gyrozText;
   private TextView magxText;
   private TextView magyText;
   private TextView magzText;




   /*@Override
   protected void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);
       getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
               WindowManager.LayoutParams.FLAG_FULLSCREEN);//设置全屏
       setContentView(R.layout.main_activity);

       back=(Button) findViewById(R.id.back);
      // 对登录按钮设置监听，方法由下面的Onclick实现
       back.setOnClickListener(this);

   }*/

   @Override
   //实现登录按钮的跳转

   public void onClick(View v) {
     // 根据id判断单击的是哪个控件，固定写法
     switch (v.getId()) {
     case R.id.back:
       back();
       break;
     default:
       break;
     }
   }


   // 登录方法
   public void back() {
   //实现界面的跳转
  Intent intent = new Intent(MainActivity.this,LoginActivity.class);
       startActivity(intent);
       //关闭当前界面
      // finish();

       //return true;
   }

   @Override
   public boolean onCreateOptionsMenu(Menu menu) {
       // Inflate the menu; this adds items to the action bar if it is present.
       getMenuInflater().inflate(R.menu.main, menu);
       return true;
   }

   @Override
   public boolean onOptionsItemSelected(MenuItem item) {
       // Handle action bar item clicks here. The action bar will
       // automatically handle clicks on the Home/Up button, so long
       // as you specify a parent activity in AndroidManifest.xml.
       int id = item.getItemId();
       if (id == R.id.action_settings) {
           return true;
       }
       return super.onOptionsItemSelected(item);
   }


//}

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

    back=(Button) findViewById(R.id.back);
      // 对登录按钮设置监听，方法由下面的Onclick实现
       back.setOnClickListener(this);

    accxText = (TextView) findViewById(R.id.accx);
    accyText = (TextView) findViewById(R.id.accy);
    acczText = (TextView) findViewById(R.id.accz);
    gyroxText = (TextView) findViewById(R.id.gyrox);
    gyroyText = (TextView) findViewById(R.id.gyroy);
    gyrozText = (TextView) findViewById(R.id.gyroz);
    magxText = (TextView) findViewById(R.id.magx);
    magyText = (TextView) findViewById(R.id.magy);
    magzText = (TextView) findViewById(R.id.magz);
    sensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE);
    Sensor sensora = sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
    sensorManager.registerListener(listenera, sensora, SensorManager.SENSOR_DELAY_GAME);
    Sensor sensorg = sensorManager.getDefaultSensor(Sensor.TYPE_GYROSCOPE);
    sensorManager.registerListener(listenerg, sensorg, SensorManager.SENSOR_DELAY_GAME);
    Sensor sensorm = sensorManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD);
    sensorManager.registerListener(listenerm, sensorm, SensorManager.SENSOR_DELAY_GAME);
   }

   private SensorEventListener listenera = new SensorEventListener() {
   @Override
   public void onSensorChanged(SensorEvent event) {
    float accx = event.values[0];
    float accy = event.values[1];
    float accz = event.values[2];
    accxText.setText("accx:" + accx);
    accyText.setText("accy:" + accy);
    acczText.setText("accz:" + accz);
   }

   @Override
   public void onAccuracyChanged(Sensor sensor, int accuracy) {

   }
   };

   private SensorEventListener listenerg = new SensorEventListener() {
   @Override
   public void onSensorChanged(SensorEvent event) {
     float gyrox = event.values[0];
     float gyroy = event.values[1];
     float gyroz = event.values[2];
     gyroxText.setText("gyrox:" + gyrox);
     gyroyText.setText("gyroy:" + gyroy);
     gyrozText.setText("gyroz:" + gyroz);
   }

   @Override
   public void onAccuracyChanged(Sensor sensor, int accuracy) {

   }
   };

   private SensorEventListener listenerm = new SensorEventListener() {
   @Override
   public void onSensorChanged(SensorEvent event) {
    float magx = event.values[0];
    float magy = event.values[1];
    float magz = event.values[2];
    magxText.setText("magx:" + magx);
    magyText.setText("magy:" + magy);
    magzText.setText("magz:" + magz);
   }

   @Override
   public void onAccuracyChanged(Sensor sensor, int accuracy) {

   }
   };

   @Override
   protected void onDestroy() {
    super.onDestroy();
    if (sensorManager != null) {
     sensorManager.unregisterListener(listenera);
     sensorManager.unregisterListener(listenerg);
     sensorManager.unregisterListener(listenerm);
    }
   }

}

xml 代码
<?xml version="1.0" encoding="utf-8"?>
<GridLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:columnCount="1" >

</GridLayout>