Android传感器使用

package com.king.android.speical; 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 com.king.android.R; /** * 描述：传感器 * 作者：Andy.Liu * 时间： 2012-7-16 上午07:22:19 **/ public class SensorActivity extends Activity implements SensorEventListener { private boolean mRegisterSensor = false; private SensorManager mSensorManager; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); mSensorManager = (SensorManager) getSystemService(SENSOR_SERVICE); } @Override protected void onResume() { super.onResume(); List<Sensor> sensors = mSensorManager.getSensorList(Sensor.TYPE_ORIENTATION); if(sensors.size()>0){ Sensor sensor = sensors.get(0); //注册Sensor ,接收频率。 mRegisterSensor = mSensorManager.registerListener(this, sensor, SensorManager.SENSOR_DELAY_FASTEST); } } @Override protected void onPause() { if(mRegisterSensor){ mSensorManager.unregisterListener(this); mRegisterSensor = false; } super.onPause(); } //当精确值发生改变时、 //Accuracy精确值 @Override public void onAccuracyChanged(Sensor sensor, int accuracy) { //处理精确值改变 } @Override public void onSensorChanged(SensorEvent event) { if(event.sensor.getType()==Sensor.TYPE_ORIENTATION){ float x = event.values[SensorManager.DATA_X]; float y = event.values[SensorManager.DATA_Y]; float z = event.values[SensorManager.DATA_Z]; } } } /** SensorManager中的其它方法 getDefaultSensor:得到默认的传感器对象 getInclination:得到地磁传感器倾斜的弧度值 getOrientation:得到设备的旋转方向 getSensorList:得到指定传感器列表。 **/

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