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Course Content

Description

Example of Sensor in Android Application

 

In today's video we are going to see an example of Sensor in Android.

For this we will post take one relative layout in our activity_main.xml file and also set basic properties to the Text view.

Now we will open MainActivity.java file and code inside it.

public class MainActivity extends Activity

{

SensorManager sm=null;

TextView accText=null;

List list;

SensorEventListener sel=new SensorEventListener ()

{

@Override

public void onSensorChanged(SensorEvent event)

{

float[] values=event.values;

accText.setText("x:"+values[0]+"\ny:"+values[1]+"\nz:"+values[2]);

}

@Override

public void onAccuracyChanged(Sensor sensor, int accuracy)

}

}

@Override

public void onCreate(Bundle savedInstanceState)

{

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

sm(SensorManager)getSystemService(SEARCH_SERVICE);

After that we will pass 3 different content, sm, accText, and list.

The condition which we need to set now is,

if(list.size()>0)

{

sm.registerListener(sel,(Sensor)list.get(0),SensorManager.SENSOR_DELAY_NORMAL);

}

else {

Toast.makeText(getBaseContext(),"Error",Toast.LENGTH_LONG);

}

After coding all of this we will run our code. We see that our code runs successfully. By default the values of X,Y,Z is printed and as we rotate our phone the values get changed accordingly.

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