传感器---光传感

package com.example.test_sensor_light;

import org.openintents.sensorsimulator.hardware.Sensor;
import android.app.Activity;
import android.hardware.SensorManager;
import android.os.Bundle;
import android.widget.TextView;

public  class Sample extends Activity implements  android.hardware.SensorEventListener {

private TextView myTextView1;

private SensorManager mySensorManager;

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
myTextView1 = (TextView) findViewById(R.id.myTextView1);
mySensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);

}

@Override
protected void onResume() {
mySensorManager.registerListener(
this,
mySensorManager.getDefaultSensor(Sensor.TYPE_LIGHT),
SensorManager.SENSOR_DELAY_GAME
);
super.onResume();
}

@Override
protected void onStop() {
// TODO Auto-generated method stub
mySensorManager.unregisterListener(this);
super.onStop();
}
@Override
protected void onPause() {
mySensorManager.unregisterListener(this);
super.onPause();
}

@Override
public void onAccuracyChanged(android.hardware.Sensor sensor, int accuracy) {
// TODO Auto-generated method stub

}

@Override
public void onSensorChanged(android.hardware.SensorEvent event) {
// TODO Auto-generated method stub
float[] values = event.values;
int sensorType = event.sensor.TYPE_LIGHT;
if (sensorType == Sensor.TYPE_LIGHT) {
myTextView1.setText("当前光的强度为："+values[0]);
}
}

}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >

<TextView
android:id="@+id/myTextView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
/>

</LinearLayout>

<resources>

<string name="app_name">Sample</string>
<string name="title">光传感器</string>
<string name="hello_world">Hello world!</string>
<string name="menu_settings">Settings</string>

</resources>