(Android practice) implements the shake Function

// Sensor Manager
Private SensorManager mSensorManager;

// Vibrator
Private Vibrator vibrator;

// Activity Manager
ActivityManager activityManager;

// 1 obtain hardware information
MSensorManager = (SensorManager) getSystemService (SENSOR _

SERVICE );
Vibrator = (Vibrator) getSystemService (Service. VIBRATOR_SERVICE );
ActivityManager = (ActivityManager) getSystemService (ACTIVITY_SERVICE );

// 2 check whether the current mobile phone has an acceleration sensor. If no acceleration sensor is provided, the service is terminated directly and the service is not started.
List <Sensor> sensors = mSensorManager. getSensorList (Sensor. TYPE_ACCELEROMETER );
If (sensors! = Null)
If (sensors. size () = 0)
Return;

// 3 generate a listening event
SensorEventListener sensorelistener = new SensorEventListener (){
@ Override
Public void onAccuracyChanged (Sensor sensor, int accuracy ){
// TODO Auto-generated method stub

}
// Sensor changes
@ Override
Public void onSensorChanged (SensorEvent event ){
// TODO Auto-generated method stub
Int sensorType = event. sensor. getType ();

// Read the shake sensitive Value
Int shakeSenseValue = Integer. parseInt (getResources (). getString (R. string. shakeSenseValue ));;
// Values [0]: X axis, values [1]: Y axis, values [2]: Z axis
Float [] values = event. values;

If (sensorType = Sensor. TYPE_ACCELEROMETER ){
If (Math. abs (values [0])> shakeSenseValue | Math. abs (values [1])> shakeSenseValue | Math. abs (values [2])> shakeSenseValue )){
// Trigger the event and execute the open application action
Vibrator. vibrate (500 );
}
}
}

};

// 4 register a listening event
MSensorManager. registerListener (sensorelistener,
MSensorManager. getdefasensensor (Sensor. TYPE_ACCELEROMETER ),
SensorManager. SENSOR_DELAY_NORMAL );

}