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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:padding="5dp">

    &lt;TextView
        android:id="@+id/tv_value1"
        android:layout_width="wrap_content"

```java
mTextPaint.setColor(Color.GRAY);
mTextPaint.setTextSize(64);
mTextPaint.setStyle(Paint.Style.FILL);

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    canvas.drawText(msg, sWidth / 4, sWidth / 2, mTextPaint);
}

// Update compass degree
public void setDegree(float degree)
{
    // Set sensitivity
    if(Math.abs(dec - degree) >= 2 )
    {
        dec = degree;
        int range = 22;
        String degreeStr = String.valueOf(dec);

        // Point to true north
        if(dec > 360 - range && dec < 360 + range)
        {
            msg = "True North " + degreeStr + "°";
        }

        // Point to true east
        if(dec > 90 - range && dec < 90 + range)
        {
            msg = "True East " + degreeStr + "°";
        }

        // Point to true south
        if(dec > 180 - range && dec < 180 + range)
        {
            msg = "True South " + degreeStr + "°";
        }

        // Point to true west
        if(dec > 270 - range && dec < 270 + range)
        {
            msg = "True West " + degreeStr + "°";
        }

        // Point to northeast
        if(dec > 45 - range && dec < 45 + range)
        {
            msg = "Northeast " + degreeStr + "°";
        }

        // Point to southeast
        if(dec > 135 - range && dec < 135 + range)
        {
            msg = "Southeast " + degreeStr + "°";
        }

        // Point to southwest
        if(dec > 225 - range && dec < 225 + range)
        {
            msg = "Southwest " + degreeStr + "°";
        }

        // Point to northwest
        if(dec > 315 - range && dec < 315 + range)
        {
            msg = "Northwest " + degreeStr + "°";
        }
    }
}

@Override
public void run() {
    while(!Thread.currentThread().isInterrupted())
    {
        try
        {
            Thread.sleep(100);
        }
        catch(InterruptedException e)
        {
            Thread.currentThread().interrupt();
        }
        postInvalidate();
    }
}
}

public class MainActivity extends AppCompatActivity implements SensorEventListener {

    private CompassView cView;
    private SensorManager sManager;
    private Sensor mSensorOrientation;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        cView = new CompassView(MainActivity.this);
        sManager = (SensorManager) getSystemService(SENSOR_SERVICE);
        mSensorOrientation = sManager.getDefaultSensor(Sensor.TYPE_ORIENTATION);
        sManager.registerListener(this, mSensorOrientation, SensorManager.SENSOR_DELAY_UI);
        setContentView(cView);
    }

    @Override
    public void onSensorChanged(SensorEvent event) {
        cView.setDegree(event.values[0]);
    }

    @Override
    public void onAccuracyChanged(Sensor sensor, int accuracy) {

    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        sManager.unregisterListener(this);
    }
}