Android傳感器常見顯示程序

1.layout文件

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
    android:weightSum="1">

    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/scrollView"
        android:scrollbars="none">

        <TextView android:id="@+id/TextView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />
    </ScrollView>

</LinearLayout>

2.程序文件

package com.example.cloud.myapplication2;
import java.util.List;

import android.app.Activity;
import android.content.Context;
import android.hardware.Sensor;
import android.hardware.SensorManager;
import android.os.Bundle;
import android.view.WindowManager;
import android.widget.TextView;

public class MainActivity extends Activity {

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        //準備顯示信息的UI組建
        final TextView tx = (TextView) findViewById(R.id.TextView);
        //從系統服務中獲得傳感器管理器
        SensorManager sm = (SensorManager) getSystemService(Context.SENSOR_SERVICE);

        //從傳感器管理器中獲得全部的傳感器列表
        List<Sensor> allSensors = sm.getSensorList(Sensor.TYPE_ALL);
        //顯示有多少個傳感器
        tx.setText("經檢測該手機有" + allSensors.size() + "個傳感器，他們分別是：\n");
        //顯示每個傳感器的具體信息
        for (Sensor s : allSensors) {
            String tempString = "\n" + "  設備名稱：" + s.getName() + "\n" + "  設備版本：" + s.getVersion() + "\n" + "  供應商：" + s.getVendor() + "\n\n";
            switch (s.getType()) {
                ////////////////////////////////運動傳感器///////////////////////////////////////
                case Sensor.TYPE_ACCELEROMETER://物理傳感器
                    tx.setText(tx.getText().toString() + " 加速度傳感器(accelerometer)" + tempString);
                    break;
                case Sensor.TYPE_GYROSCOPE://物理傳感器
                    tx.setText(tx.getText().toString() +" 陀螺儀傳感器(gyroscope)" + tempString);
                    break;
                case Sensor.TYPE_GRAVITY:
                    tx.setText(tx.getText().toString() +" 重力傳感器(temperature)" + tempString);
                    break;
                case Sensor.TYPE_LINEAR_ACCELERATION:
                    tx.setText(tx.getText().toString() + " 線性加速度傳感器(temperature)" + tempString);
                    break;
                case Sensor.TYPE_ROTATION_VECTOR:
                    tx.setText(tx.getText().toString() + " 旋轉向量傳感器(temperature)" + tempString);
                    break;
                case Sensor.TYPE_GAME_ROTATION_VECTOR:
                    tx.setText(tx.getText().toString() + " 遊戲向量傳感器(temperature)" + tempString);
                    break;
                case Sensor.TYPE_GEOMAGNETIC_ROTATION_VECTOR:
                    tx.setText(tx.getText().toString() + " 地磁旋轉向量傳感器(temperature)" + tempString);
                    break;
                ////////////////////////////////位置傳感器////////////////////////////////////////////////////
                case Sensor.TYPE_MAGNETIC_FIELD:
                    tx.setText(tx.getText().toString() + " 電磁場傳感器(magnetic field)" + tempString);
                    break;
                case Sensor.TYPE_PROXIMITY:
                    tx.setText(tx.getText().toString() + " 距離傳感器(proximity)" + tempString);
                    break;
                ////////////////////////環境傳感器//////////////////
                case Sensor.TYPE_AMBIENT_TEMPERATURE:
                    tx.setText(tx.getText().toString() + " 周圍溫度傳感器(temperature)" + tempString);
                    break;
                case Sensor.TYPE_RELATIVE_HUMIDITY:
                    tx.setText(tx.getText().toString() + " 相對溼度傳感器(temperature)" + tempString);
                    break;
                case Sensor.TYPE_PRESSURE:
                    tx.setText(tx.getText().toString() + " 氣壓傳感器(pressure)" + tempString);
                    break;
                case Sensor.TYPE_LIGHT:
                    tx.setText(tx.getText().toString() + " 環境光線傳感器(light)" + tempString);
                    break;
                /////////////////////其他傳感器類型//////////////////
                case Sensor.TYPE_SIGNIFICANT_MOTION:
                    tx.setText(tx.getText().toString() + s.getName() + tempString);
                    break;
                case Sensor.TYPE_STEP_COUNTER:
                    tx.setText(tx.getText().toString() + s.getName() + tempString);
                    break;
                case Sensor.TYPE_STEP_DETECTOR:
                    tx.setText(tx.getText().toString() + s.getName() + tempString);
                    break;
                case Sensor.TYPE_MAGNETIC_FIELD_UNCALIBRATED:
                    tx.setText(tx.getText().toString() + s.getName() + tempString);
                    break;
                case Sensor.TYPE_GYROSCOPE_UNCALIBRATED:
                    tx.setText(tx.getText().toString() + s.getName() + tempString);
                    break;


                //廢棄的傳感器類型
                case Sensor.TYPE_ORIENTATION://APILevel 8（Android 2.2）廢棄
                    tx.setText(tx.getText().toString() + " 舊方向傳感器(orientation)" + tempString);
                    break;
                case Sensor.TYPE_TEMPERATURE://APILevel14（Android4.0）廢棄
                    tx.setText(tx.getText().toString() + " 舊溫度傳感器(temperature)" + tempString);
                    break;
                default:
                    tx.setText(tx.getText().toString() + " 未知傳感器" + tempString);
                    break;
            }
        }


    }
}