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(shù)據(jù)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(shù)據(jù)
      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(shù)據(jù)
      tvLight.setText("亮度：" + event.values[0]);
      break;
    case Sensor.TYPE_MAGNETIC_FIELD: // 處理磁場傳感器傳回的數(shù)據(jù)
      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(shù)據(jù)
      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) {
  }
}