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SensorTest.java
Package: Android-code.zip [view]
Upload User: xmjingguan
Upload Date: 2009-07-06
Package Size: 2054k
Code Size: 3k
Category:
android
Development Platform:
Java
- /***
- * Excerpted from "Hello, Android!",
- * published by The Pragmatic Bookshelf.
- * Copyrights apply to this code. It may not be used to create training material,
- * courses, books, articles, and the like. Contact us if you are in doubt.
- * We make no guarantees that this code is fit for any purpose.
- * Visit http://www.pragmaticprogrammer.com/titles/eband for more book information.
- ***/
- package org.example.sensortest;
- 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 SensorTest extends Activity implements SensorEventListener {
- private SensorManager mgr;
- private TextView output;
- private List<Sensor> sensorList;
- @Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.main);
- // ...
- mgr = (SensorManager) getSystemService(SENSOR_SERVICE);
- output = (TextView) findViewById(R.id.output);
- }
- @Override
- protected void onResume() {
- super.onResume();
- // Start updates for one or more sensors
- sensorList = mgr.getSensorList(Sensor.TYPE_ALL);
- for (Sensor sensor : sensorList) {
- mgr.registerListener(this, sensor,
- SensorManager.SENSOR_DELAY_NORMAL);
- }
- }
- @Override
- protected void onPause() {
- super.onPause();
- // Stop updates to save power while app paused
- mgr.unregisterListener(this);
- }
- public void onAccuracyChanged(Sensor sensor, int accuracy) {
- // TODO Auto-generated method stub
- }
- public void onSensorChanged(SensorEvent event) {
- StringBuilder builder = new StringBuilder();
- builder.append("--- SENSOR ---");
- builder.append("nName: ");
- Sensor sensor = event.sensor;
- builder.append(sensor.getName());
- builder.append("nType: ");
- builder.append(sensor.getType());
- builder.append("nVendor: ");
- builder.append(sensor.getVendor());
- builder.append("nVersion: ");
- builder.append(sensor.getVersion());
- builder.append("nMaximum Range: ");
- builder.append(sensor.getMaximumRange());
- builder.append("nPower: ");
- builder.append(sensor.getPower());
- builder.append("nResolution: ");
- builder.append(sensor.getResolution());
- builder.append("nn--- EVENT ---");
- builder.append("nAccuracy: ");
- builder.append(event.accuracy);
- builder.append("nTimestamp: ");
- builder.append(event.timestamp);
- builder.append("nValues:n");
- for (int i = 0; i < event.values.length; i++) {
- // ...
- builder.append(" [");
- builder.append(i);
- builder.append("] = ");
- builder.append(event.values[i]);
- builder.append("n");
- }
- output.setText(builder);
- }
- }