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812天前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() + "\n"); |
} |
} |
@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\n" + "X：" + event.values[0] + "\n" |
+ "Y:" + event.values[1] + "\n" + "Z:" + event.values[2] |
+ "\n"; |
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\n" + "X：" + event.values[0] + "\n" + "Y:" |
+ event.values[1] + "\n" + "Z:" + event.values[2] + "\n"; |
tvMagentic.setText(magentic); |
break; |
case Sensor.TYPE_ORIENTATION: // 处理方向传感器传回的数据 |
String orientation = "方向\n" + "X：" + event.values[0] + "\n" + "Y:" |
+ event.values[1] + "\n" + "Z:" + event.values[2] + "\n"; |
tvOrientation.setText(orientation); |
break; |
} |
} |
@Override |
public void onAccuracyChanged(Sensor sensor, int accuracy) { |
} |
} |
高级设计师
by: 神马 发表于：2012-09-16 09:57:55 顶(1) | 踩(1) 回复
获得的只是传感器采集数据，还需要对数据分析，变成有用的信息！
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