public class Mainactivity extends Activity {
/**sensormanager Object */
Private Sensormanager Msensormanager;
/**vibrator Object */
Private vibrator Mvibrator;
/** defines a constant value */
private static final int sensor_value = 100;
@Override
protected void OnCreate (Bundle savedinstancestate) {
Super.oncreate (savedinstancestate);
Setcontentview (R.layout.activity_main);
/** Get System Sense Manager service sensormanager*/
Msensormanager = (Sensormanager) getsystemservice (Sensor_service);
/** Get Vibration Service mvibrator*/
Mvibrator = (Vibrator) getsystemservice (Vibrator_service);
}
@Override
protected void Onresume () {
Super.onresume ();
/** register for monitoring in Onresume * *
if (Msensormanager! = null) {
Msensormanager.registerlistener (Msensoreventlistener, Msensormanager.getdefaultsensor (Sensor.TYPE_ACCELEROMETER ), Sensormanager.sensor_delay_normal);
}
}
@Override
protected void OnPause () {
Super.onpause ();
/** Unregister Listener Events */
if (Msensormanager! = null) {
Msensormanager.unregisterlistener (Msensoreventlistener);
}
}
/** Monitor mobile phone shaking listener implementation */
Private Sensoreventlistener Msensoreventlistener = new Sensoreventlistener () {
@Override
public void Onsensorchanged (Sensorevent event) {
/** sensor Data Changes */
/** get the sensing coordinates on the phone in three directions */
Float[] values = event.values;
float x = values[0];
Float y = values[1];
float z = values[2];
int sensorvalue = 20;
if (Math.Abs (x) > Sensorvalue | | Math.Abs (y) > Sensorvalue | | Math.Abs (z) > Sensorvalue) {
/** Vibration, Time 200 milliseconds */
Mvibrator.vibrate (200);
/**hanler send information out, wait for processing * *
Message msg = new Message ();
Msg.what = Sensor_value;
Handler.sendmessage (msg);
}
}
@Override
public void onaccuracychanged (Sensor arg0, int arg1) {
/**
* This means that the sensor accuracy is changed: In this case, the system calls the Onaccuracychanged () method, which provides the sensor object for which you want to reference a change in precision.
* Accuracy is represented by one of the following four state constants:
* Sensor_status_accuracy_low
* Sensor_status_accuracy_medium
* Sensor_status_accuracy_high
* sensor_status_unreliable
*/
}
};
@SuppressLint ("Handlerleak")
Handler Handler = new Handler () {
@Override
public void Handlemessage (Message msg) {
Super.handlemessage (msg);
Switch (msg.what) {
Case Sensor_value:
Toast.maketext (Mainactivity.this, "mobile phone shook ....", Toast.length_short). Show ();
Break
}
}
};
}
Android Sensor application: Shake a small example
