android 传感器

获取手机上已有的传感器列表：

Java代码

1. package basic.android.lesson37;   
2.   
3. import java.util.List;   
4.   
5. import android.app.Activity;   
6. import android.content.Context;   
7. import android.hardware.Sensor;   
8. import android.hardware.SensorManager;   
9. import android.os.Bundle;   
10. import android.widget.TextView;   
11.   
12. public class MainActivity extends Activity {   
13.   
14.         /** Called when the activity is first created. */  
15.         @Override  
16.         public void onCreate(Bundle savedInstanceState) {   
17.                 super.onCreate(savedInstanceState);   
18.                 setContentView(R.layout.main);   
19.   
20.                 //准备显示信息的UI组建   
21.                 final TextView tx1 = (TextView) findViewById(R.id.TextView01);   
22.   
23.                 //从系统服务中获得传感器管理器   
24.                 SensorManager sm = (SensorManager) getSystemService(Context.SENSOR_SERVICE);   
25.   
26.                 //从传感器管理器中获得全部的传感器列表   
27.                 List<sensor> allSensors = sm.getSensorList(Sensor.TYPE_ALL);   
28.   
29.                 //显示有多少个传感器   
30.                 tx1.setText("经检测该手机有" + allSensors.size() + "个传感器，他们分别是：\n");   
31.   
32.                 //显示每个传感器的具体信息   
33.                 for (Sensor s : allSensors) {   
34.   
35.                         String tempString = "\n" + "  设备名称：" + s.getName() + "\n" + "  设备版本：" + s.getVersion() + "\n" + "  供应商："  
36.                                         + s.getVendor() + "\n";   
37.   
38.                         switch (s.getType()) {   
39.                         case Sensor.TYPE_ACCELEROMETER:   
40.                                 tx1.setText(tx1.getText().toString() + s.getType() + " 加速度传感器accelerometer" + tempString);   
41.                                 break;   
42.                         case Sensor.TYPE_GYROSCOPE:   
43.                                 tx1.setText(tx1.getText().toString() + s.getType() + " 陀螺仪传感器gyroscope" + tempString);   
44.                                 break;   
45.                         case Sensor.TYPE_LIGHT:   
46.                                 tx1.setText(tx1.getText().toString() + s.getType() + " 环境光线传感器light" + tempString);   
47.                                 break;   
48.                         case Sensor.TYPE_MAGNETIC_FIELD:   
49.                                 tx1.setText(tx1.getText().toString() + s.getType() + " 电磁场传感器magnetic field" + tempString);   
50.                                 break;   
51.                         case Sensor.TYPE_ORIENTATION:   
52.                                 tx1.setText(tx1.getText().toString() + s.getType() + " 方向传感器orientation" + tempString);   
53.                                 break;   
54.                         case Sensor.TYPE_PRESSURE:   
55.                                 tx1.setText(tx1.getText().toString() + s.getType() + " 压力传感器pressure" + tempString);   
56.                                 break;   
57.                         case Sensor.TYPE_PROXIMITY:   
58.                                 tx1.setText(tx1.getText().toString() + s.getType() + " 距离传感器proximity" + tempString);   
59.                                 break;   
60.                         case Sensor.TYPE_TEMPERATURE:   
61.                                 tx1.setText(tx1.getText().toString() + s.getType() + " 温度传感器temperature" + tempString);   
62.                                 break;   
63.                         default:   
64.                                 tx1.setText(tx1.getText().toString() + s.getType() + " 未知传感器" + tempString);   
65.                                 break;   
66.                         }   
67.                 }   
68.   
69.         }   
70. }</sensor>  

       4、连接真机Milestone，编译并运行程序，显示结果如下：

加速度传感器：

http://www.miui.com/forum-viewthread-tid-548868-extra-page%3D1%26orderby%3Ddateline.html

android提供的传感器：

http://www.oschina.net/question/163910_28354

陀螺仪：

http://blog.youkuaiyun.com/xhl86xhl/article/details/6977366

光线：

http://blog.youkuaiyun.com/lili1985516/article/details/8029073