显示 Android 传感器列表
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Display an Android Sensors List
提问by Skatephone
I'm trying to display a list of available sensors but it's like there are not!
I was thinking that it was because of the emulator, but i tried it on the phone and the result is the same.
我正在尝试显示可用传感器的列表，但好像没有！
我以为是模拟器的原因，但我在手机上试了一下，结果是一样的。
private SensorManager mSensorManager;
TextView mSensorsTot,mSensorAvailables;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
// Get the texts fields of the layout and setup to invisible
mSensorsTot = (TextView) findViewById(R.id.sensoritot);
mSensorAvailables = (TextView) findViewById(R.id.sensoridisponibili);
// Get the SensorManager
mSensorManager= (SensorManager) getSystemService(SENSOR_SERVICE);
// List of Sensors Available
List<Sensor> msensorList = mSensorManager.getSensorList(SensorManager.SENSOR_ALL);
// Print how may Sensors are there
mSensorsTot.setText(msensorList.size()+" "+this.getString(R.string.sensors)+"!");
// Print each Sensor available using sSensList as the String to be printed
String sSensList = new String("");
Sensor tmp;
int x,i;
for (i=0;i<msensorList.size();i++){
tmp = msensorList.get(i);
sSensList = " "+sSensList+tmp.getName(); // Add the sensor name to the string of sensors available
}
// if there are sensors available show the list
if (i>0){
sSensList = getString(R.string.sensors)+":"+sSensList;
mSensorAvailables.setText(sSensList);
}
}
回答by Henning
The constant SensorManager.SENSOR_ALLis deprecated and doesn't seem to work anymore.
该常量SensorManager.SENSOR_ALL已被弃用，似乎不再起作用。
Query the sensor list with Sensor.TYPE_ALLinstead and it should work (my emulator returns a "Goldfish 3-axis Accelerometer").
Sensor.TYPE_ALL改为查询传感器列表，它应该可以工作（我的模拟器返回“Goldfish 3-axis Accelerometer”）。
回答by Yash Gadle
You can try this code:-
你可以试试这个代码：-
package com.example.sensor;
import java.util.List;
import android.content.Context;
import android.hardware.Sensor;
import android.hardware.SensorManager;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.widget.ArrayAdapter;
import android.widget.ListView;
public class MainActivity extends ActionBarActivity {
SensorManager smm;
List<Sensor> sensor;
ListView lv;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
smm = (SensorManager) getSystemService(Context.SENSOR_SERVICE);
lv = (ListView) findViewById (R.id.listView1);
sensor = smm.getSensorList(Sensor.TYPE_ALL);
lv.setAdapter(new ArrayAdapter<Sensor>(this, android.R.layout.simple_list_item_1, sensor));
}
}
Just put a list view in your xml layout.
只需在您的 xml 布局中放置一个列表视图。
回答by S G
You can try listing the sensors as below:-
您可以尝试列出传感器如下：-
String cAPP_FOLDER = Path of your folder
String cAPP_FOLDER = 文件夹路径
String cSENSOR_FILE = Name of your file
String cSENSOR_FILE = 文件名
// Create a file to export the sensor info.
File fp = new File(cAPP_FOLDER + cSENSOR_FILE);
fp.createNewFile();
PrintWriter pw = new PrintWriter(new FileWriter(fp, true));
SensorManager oSM = (SensorManager) context.getSystemService(Context.SENSOR_SERVICE);
List<Sensor> sensorsList = oSM.getSensorList(Sensor.TYPE_ALL);
for (Sensor s : sensorsList) {
pw.write(s.toString() + "\n");
}
pw.close();
//////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////// ///////////////////////////
// OUTPUT FILE
// 输出文件
{Sensor name="BOSCH Accelerometer Sensor ", vendor="Bosch Sensortec GmbH", version=2, type=1, maxRange=156.88, resolution=5.984497E-4, power=0.13, minDelay=10000}
{Sensor name="BOSCH Accelerometer Sensor", vendor="Bosch Sensortec GmbH", version=2, type=1, maxRange=156.88, resolution=5.984497E-4, power=0.13, minDelay=10000}
{Sensor name="BOSCH Magnetic Field Sensor", vendor="Bosch Sensortec GmbH", version=2, type=2, maxRange=1600.0, resolution=0.3, power=0.5, minDelay=40000}
{Sensor name="BOSCH 磁场传感器", vendor="Bosch Sensortec GmbH", version=2, type=2, maxRange=1600.0, resolution=0.3, power=0.5, minDelay=40000}
{Sensor name="BOSCH Orientation Sensor", vendor="Bosch Sensortec GmbH", version=2, type=3, maxRange=360.0, resolution=1.0, power=0.63, minDelay=5000}
{Sensor name="BOSCH Orientation Sensor", vendor="Bosch Sensortec GmbH", version=2, type=3, maxRange=360.0, resolution=1.0, power=0.63, minDelay=5000}
{Sensor name="BOSCH Gyroscope Sensor", vendor="Bosch Sensortec GmbH", version=2, type=4, maxRange=2500.0, resolution=0.0038146973, power=5.0, minDelay=5000}
{Sensor name="BOSCH Gyroscope Sensor", vendor="Bosch Sensortec GmbH", version=2, type=4, maxRange=2500.0, resolution=0.0038146973, power=5.0, minDelay=5000}
{Sensor name="BOSCH Gravity Sensor", vendor="Bosch Sensortec GmbH", version=2, type=9, maxRange=19.61, resolution=5.984497E-4, power=5.63, minDelay=5000}
{Sensor name="BOSCH Gravity Sensor", vendor="Bosch Sensortec GmbH", version=2, type=9, maxRange=19.61, resolution=5.984497E-4, power=5.63, minDelay=5000}
{Sensor name="BOSCH Linear Acceleration Sensor", vendor="Bosch Sensortec GmbH", version=2, type=10, maxRange=19.61, resolution=5.984497E-4, power=5.63, minDelay=5000}
{Sensor name="BOSCH Linear Acceleration Sensor", vendor="Bosch Sensortec GmbH", version=2, type=10, maxRange=19.61, resolution=5.984497E-4, power=5.63, minDelay=5000}
{Sensor name="BOSCH Rotation Vector Sensor", vendor="Bosch Sensortec GmbH", version=2, type=11, maxRange=1.0, resolution=5.9604645E-8, power=5.63, minDelay=5000}
{Sensor name="BOSCH Rotation Vector Sensor", vendor="Bosch Sensortec GmbH", version=2, type=11, maxRange=1.0, resolution=5.9604645E-8, power=5.63, minDelay=5000}
{Sensor name="BOSCH Magnetic Field Uncalibrated Sensor", vendor="Bosch Sensortec GmbH", version=2, type=14, maxRange=1600.0, resolution=0.3, power=0.5, minDelay=40000}
{Sensor name="BOSCH Magnetic Field Uncalibrated Sensor", vendor="Bosch Sensortec GmbH", version=2, type=14, maxRange=1600.0, resolution=0.3, power=0.5, minDelay=40000}
{Sensor name="BOSCH Game Rotation Vector Sensor", vendor="Bosch Sensortec GmbH", version=2, type=15, maxRange=1.0, resolution=5.9604645E-8, power=5.63, minDelay=5000}
{Sensor name="BOSCH Game Rotation Vector Sensor", vendor="Bosch Sensortec GmbH", version=2, type=15, maxRange=1.0, resolution=5.9604645E-8, power=5.63, minDelay=5000}
{Sensor name="BOSCH Gyroscope Uncalibrated Sensor", vendor="Bosch Sensortec GmbH", version=2, type=16, maxRange=2500.0, resolution=0.0038146973, power=5.0, minDelay=5000}
{Sensor name="BOSCH Gyroscope Uncalibrated Sensor", vendor="Bosch Sensortec GmbH", version=2, type=16, maxRange=2500.0, resolution=0.0038146973, power=5.0, minDelay=5000}
{Sensor name="BOSCH Geomagnetic Rotation Vector Sensor", vendor="Bosch Sensortec GmbH", version=2, type=20, maxRange=1.0, resolution=5.9604645E-8, power=5.63, minDelay=5000}
{Sensor name="BOSCH Geomagnetic Rotation Vector Sensor", vendor="Bosch Sensortec GmbH", version=2, type=20, maxRange=1.0, resolution=5.9604645E-8, power=5.63, minDelay=5000}
{Sensor name="LIGHT", vendor="MTK", version=1, type=5, maxRange=10240.0, resolution=1.0, power=0.13, minDelay=0}
{Sensor name="LIGHT", vendor="MTK", version=1, type=5, maxRange=10240.0, resolution=1.0, power=0.13, minDelay=0}
{Sensor name="PROXIMITY", vendor="MTK", version=1, type=8, maxRange=1.0, resolution=1.0, power=0.13, minDelay=0}
{传感器名称="PROXIMITY", vendor="MTK", version=1, type=8, maxRange=1.0, resolution=1.0, power=0.13, minDelay=0}
{Sensor name="SIGNIFICANT_MOTION", vendor="MTK", version=1, type=17, maxRange=85.0, resolution=0.1, power=0.5, minDelay=-1}
{传感器名称="SIGNIFICANT_MOTION", vendor="MTK", version=1, type=17, maxRange=85.0, resolution=0.1, power=0.5, minDelay=-1}
回答by Sree Rama
getSensorList (int type) of SensorManager class gives a list of sensors ==> List. (To get the list of available sensors of a certain type.)
SensorManager 类的 getSensorList（int 类型）给出了传感器列表 ==> 列表。（获取某种类型的可用传感器列表。）
Use Sensor.TYPE_ALL to get all the sensors. Make multiple calls to get sensors of different types.
使用 Sensor.TYPE_ALL 获取所有传感器。多次调用以获取不同类型的传感器。
