Talk on Android Sensor Fusion – combined hardware sensors to get virtual sensor data
SensorEventListener
Displaying a list of Sensors available on an Android device (Gingerbread) 2.3.3 used
Code below displays all available sensors (hardware and virtual)
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 SensorListActivity extends Activity implements SensorEventListener { private SensorManager mSensorManager; private TextView mTextView; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); mSensorManager = (SensorManager) getSystemService(SENSOR_SERVICE); mTextView = (TextView) findViewById(R.id.text_view); List<Sensor> mList = mSensorManager.getSensorList(Sensor.TYPE_ALL); for (int i = 1; i < mList.size(); i++) { mTextView.append("\n" + mList.get(i).getName()); } } @Override public void onAccuracyChanged(Sensor arg0, int arg1) { // TODO Auto-generated method stub } @Override public void onSensorChanged(SensorEvent event) { // TODO Auto-generated method stub } protected void onPause(){ super.onStop(); } protected void onStop() { super.onStop(); } protected void onResume() { super.onResume(); } }
main.xml (just a textview to show the list of sensors)
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > <TextView android:id="@+id/text_view" android:layout_width="fill_parent" android:layout_height="wrap_content" /> </LinearLayout>