Android sensor 大杂烩

使用了方向和加速度，重力sensor。代码里面包含了简单使用和shake测试。对方向的使用了两个方法：方向sensor或者加速度＋重力

 不多说，上代码。

 

 

public class Testsensor extends Activity {
    /** Called when the activity is first created. */
  private LinearLayout layout;  
  private Sensor orientsensor, lightsensor, accesensor, proxsensor, msensor; 
  SensorManager sm;
  TextView outputtext1, outputtext2, outputtext3; 
 
  float avalue[] = new float[3];
  float mvalue[] = new float[3];
  long lastUpdate =0;
     /** Called when the activity is first created. */ 
     @Override 
     public void onCreate(Bundle savedInstanceState) {  
         super.onCreate(savedInstanceState);  
         setContentView(R.layout.main);  
         layout = (LinearLayout) findViewById(R.id.LinearLayout01);  
  
         outputtext1 = new TextView(this);
         outputtext2 = new TextView(this); 
         outputtext3 = new TextView(this);
          
          sm = (SensorManager) getSystemService(SENSOR_SERVICE);  
          List<Sensor> list = sm.getSensorList(Sensor.TYPE_ALL);  
         //TextView text = new TextView(this);  
       //  text.setText("传感器数量：" + list.size());  
         //layout.addView(text);  
   
         TextView[] name = new TextView[list.size()];  
         for (int i = 0; i < list.size(); i++) {  
             name[i] = new TextView(this);  
             name[i].setText((i + 1) + " : " + list.get(i).getName());  
             layout.addView(name[i]);    
         }  
          layout.addView(outputtext1);
          layout.addView(outputtext2);
          layout.addView(outputtext3);
       
         orientsensor = sm.getDefaultSensor(Sensor.TYPE_ORIENTATION);
       
       //  lightsensor = sm.getDefaultSensor(Sensor.TYPE_LIGHT);
     
         accesensor = sm.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
        
        // proxsensor = sm.getDefaultSensor(Sensor.TYPE_PROXIMITY);
    
         msensor =sm.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD);
      
     }          
        
    
     @Override  
  protected void onResume() {
   // TODO Auto-generated method stub
       boolean res;
       res = sm.registerListener(Orientlistener, orientsensor, SensorManager.SENSOR_DELAY_FASTEST);
          if(res == false)
           Toast.makeText(this, "Can not support light", Toast.LENGTH_SHORT).show();
         
       res = sm.registerListener(Accelistener, accesensor, SensorManager.SENSOR_DELAY_FASTEST);
           if(res == false)
            Toast.makeText(this, "Can not support accelate", Toast.LENGTH_SHORT).show();
         
      
       res = sm.registerListener(Accelistener, msensor, SensorManager.SENSOR_DELAY_FASTEST);
           if(res == false)
            Toast.makeText(this, "Can not support accelate", Toast.LENGTH_SHORT).show();
         
          
          
   super.onResume();
  }
 

  @Override
  protected void onPause() {
   // TODO Auto-generated method stub
   sm.unregisterListener(Orientlistener, orientsensor);
      sm.unregisterListener(Accelistener, accesensor);
      sm.unregisterListener(Accelistener, msensor);
      
      
   super.onPause();
  }

  //新建一个传感器事件监听器，重写其方法，主要是重写  onSensorChanged  
     SensorEventListener Orientlistener = new SensorEventListener(){  
         public void onSensorChanged(SensorEvent event) {                                    
      //values[0]: Azimuth, angle between the magnetic north direction and the Y axis,
        //around the Z axis (0 to 359).
       //0=North, 90=East, 180=South, 270=West
             float orentation1 = event.values[0];  
             float orentation2 = event.values[1];
             float orentation3 = event.values[2];
              String st = String.format(" 1: Azimuth = "+orentation1 + "/nPitch = " + orentation2 + "/nRoll = " + orentation3);  
              outputtext1.setText(st);
         }  
             
         public void onAccuracyChanged(Sensor sensor, int accuracy) {}  
     };  
         
    
    
    
     SensorEventListener Accelistener = new SensorEventListener(){  
         public void onSensorChanged(SensorEvent event) {                                    
             if(event.sensor.getType() == Sensor.TYPE_ACCELEROMETER) {
              
              long curTime = System.currentTimeMillis();  
              if ((curTime - lastUpdate) > 100) {
               long diffTime = (curTime - lastUpdate); 
               lastUpdate = curTime;
               float speed = Math.abs(avalue[0]+avalue[1]+avalue[2]
                                    - event.values[0] - event.values[1] - event.values[2]) / diffTime * 10000;  
                
               if (speed > 350) {  
                String st = String.format("shake detected");
                OutputInfo(st);
                  
               
               }  

              avalue[0] = event.values[0];  
           avalue[1] = event.values[1];
           avalue[2] = event.values[2];  
            
              String st = String.format("Gx = "+avalue[0] + "/nGy = " + avalue[1] + "/nGz = " + avalue[2]);  
             outputtext3.setText(st);
              }
             }else
             {
              mvalue[0] = event.values[0];  
              mvalue[1] = event.values[1];
              mvalue[2] = event.values[2];
             } 
            
            float mR[] = new float [16];
             float mI[] = new float [16];
             SensorManager.getRotationMatrix(mR, mI, avalue, mvalue);

               float mOrientation[] = new float [3];
             SensorManager.getOrientation(mR, mOrientation);
          //   float incl = SensorManager.getInclination(mI);
            
            
             final float rad2deg = (float)(180.0f/Math.PI);
           
             String st = String.format("2: Azimuth = "+mOrientation[0]*rad2deg + "/nPitch = " + mOrientation[1]*rad2deg + "/nRoll = " + mOrientation[2]*rad2deg);  
              outputtext2.setText(st);
            
         }    
             
         public void onAccuracyChanged(Sensor sensor, int accuracy) {}  
     }; 
    
    
     void OutputInfo(String st)
     {
      Toast.makeText(this, st, Toast.LENGTH_SHORT).show();
     }
}