내 휴대폰에서 센서 알아보기

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <TextView
        android:id="@+id/tvSensorList"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="14sp"
        />

</LinearLayout>

 

package com.jw.sensorlist;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Context;
import android.hardware.Sensor;
import android.hardware.SensorManager;
import android.os.Bundle;
import android.widget.TextView;

import java.util.List;

public class MainActivity extends AppCompatActivity {

    TextView tvSensorList;
    String strSensorList;

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

        SensorManager sm = (SensorManager) getSystemService(Context.SENSOR_SERVICE);
        List<Sensor> sensor= sm.getSensorList(Sensor.TYPE_ALL);

        tvSensorList = findViewById(R.id.tvSensorList);

        strSensorList = "전체 센서수" + sensor.size() + "\n";
        int i = 1;
        for(Sensor s : sensor){
            strSensorList += "" + i + "센서 : " + s.getName() + "\n";
            i++;
        }


        tvSensorList.setText(strSensorList);
    }
}