package mobile.android.sensor;import java.util.List;import android.app.Activity;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 Main extends Activity implements SensorEventListener {  private TextView tvAccelerometer;  private TextView tvMagentic;  private TextView tvLight;  private TextView tvOrientation;  private TextView tvSensors;  @Override  public void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.main);    // 獲得SensorManager對象    SensorManager sensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);    // 注冊加速度傳感器    sensorManager.registerListener(this,        sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER),        SensorManager.SENSOR_DELAY_FASTEST);    // 注冊磁場傳感器    sensorManager.registerListener(this,        sensorManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD),        SensorManager.SENSOR_DELAY_FASTEST);    // 注冊光線傳感器    sensorManager.registerListener(this,        sensorManager.getDefaultSensor(Sensor.TYPE_LIGHT),        SensorManager.SENSOR_DELAY_FASTEST);    // 注冊方向傳感器    sensorManager.registerListener(this,        sensorManager.getDefaultSensor(Sensor.TYPE_ORIENTATION),        SensorManager.SENSOR_DELAY_FASTEST);    tvAccelerometer = (TextView) findViewById(R.id.tvAccelerometer);    tvMagentic = (TextView) findViewById(R.id.tvMagentic);    tvLight = (TextView) findViewById(R.id.tvLight);    tvOrientation = (TextView) findViewById(R.id.tvOrientation);    tvSensors = (TextView) findViewById(R.id.tvSensors);    // 獲得當前手機支持的所有傳感器    List<Sensor> sensors = sensorManager.getSensorList(Sensor.TYPE_ALL);    for (Sensor sensor : sensors) {      // 輸出當前傳感器的名稱      tvSensors.append(sensor.getName() + "/n");    }  }  @Override  public void onSensorChanged(SensorEvent event) {    // 通過getType方法獲得當前傳回數據的傳感器類型    switch (event.sensor.getType()) {    case Sensor.TYPE_ACCELEROMETER: // 處理加速度傳感器傳回的數據      String accelerometer = "加速度/n" + "X：" + event.values[0] + "/n"          + "Y:" + event.values[1] + "/n" + "Z:" + event.values[2]          + "/n";      tvAccelerometer.setText(accelerometer);      break;    case Sensor.TYPE_LIGHT: // 處理光線傳感器傳回的數據      tvLight.setText("亮度：" + event.values[0]);      break;    case Sensor.TYPE_MAGNETIC_FIELD: // 處理磁場傳感器傳回的數據      String magentic = "磁場/n" + "X：" + event.values[0] + "/n" + "Y:"          + event.values[1] + "/n" + "Z:" + event.values[2] + "/n";      tvMagentic.setText(magentic);      break;    case Sensor.TYPE_ORIENTATION: // 處理方向傳感器傳回的數據      String orientation = "方向/n" + "X：" + event.values[0] + "/n" + "Y:"          + event.values[1] + "/n" + "Z:" + event.values[2] + "/n";      tvOrientation.setText(orientation);      break;    }  }  @Override  public void onAccuracyChanged(Sensor sensor, int accuracy) {  }}