Android开发获取传感器数据的方法示例【加速度传感器,磁开发获取传感器数据的方法示例【加速度传感器,磁
场传感器,光线传感器,方向传感器】场传感器,光线传感器,方向传感器】
主要介绍了Android开发获取传感器数据的方法,结合实例形式分析了Android获取加速度传感器、磁场传感器、
光线传感器及方向传感器数据的相关操作技巧,需要的朋友可以参考下
本文实例讲述了Android开发获取传感器数据的方法。分享给大家供大家参考,具体如下:
package mobile.android.sensor;
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 Main extends Activity implements SensorEventListener {
private TextView tvAccelerometer;
private TextView tvMagentic;
private TextView tvLight;
private TextView tvOrientation;
private TextView tvSensors;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
// 获得SensorManager对象
SensorManager sensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
// 注册加速度传感器
sensorManager.registerListener(this,
sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER),
SensorManager.SENSOR_DELAY_FASTEST);
// 注册磁场传感器
sensorManager.registerListener(this,
sensorManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD),
SensorManager.SENSOR_DELAY_FASTEST);
// 注册光线传感器
sensorManager.registerListener(this,
sensorManager.getDefaultSensor(Sensor.TYPE_LIGHT),
SensorManager.SENSOR_DELAY_FASTEST);
// 注册方向传感器
sensorManager.registerListener(this,
sensorManager.getDefaultSensor(Sensor.TYPE_ORIENTATION),
SensorManager.SENSOR_DELAY_FASTEST);
tvAccelerometer = (TextView) findViewById(R.id.tvAccelerometer);
tvMagentic = (TextView) findViewById(R.id.tvMagentic);
tvLight = (TextView) findViewById(R.id.tvLight);
tvOrientation = (TextView) findViewById(R.id.tvOrientation);
tvSensors = (TextView) findViewById(R.id.tvSensors);
// 获得当前手机支持的所有传感器
List<Sensor> sensors = sensorManager.getSensorList(Sensor.TYPE_ALL);
for (Sensor sensor : sensors) {
// 输出当前传感器的名称
tvSensors.append(sensor.getName() + "");
}
}
@Override
public void onSensorChanged(SensorEvent event) {
// 通过getType方法获得当前传回数据的传感器类型
switch (event.sensor.getType()) {
case Sensor.TYPE_ACCELEROMETER: // 处理加速度传感器传回的数据
String accelerometer = "加速度" + "X:" + event.values[0] + ""
+ "Y:" + event.values[1] + "" + "Z:" + event.values[2]
+ "";
tvAccelerometer.setText(accelerometer);
break;
case Sensor.TYPE_LIGHT: // 处理光线传感器传回的数据
tvLight.setText("亮度:" + event.values[0]);
break;
case Sensor.TYPE_MAGNETIC_FIELD: // 处理磁场传感器传回的数据
String magentic = "磁场" + "X:" + event.values[0] + "" + "Y:"
+ event.values[1] + "" + "Z:" + event.values[2] + "";
tvMagentic.setText(magentic);
break;
case Sensor.TYPE_ORIENTATION: // 处理方向传感器传回的数据
String orientation = "方向" + "X:" + event.values[0] + "" + "Y:"
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