Adding another counter in this project

<TextView
    android:id="@+id/TextViewCount"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_centerHorizontal="true"
    android:layout_centerVertical="true"
    android:text="@string/hello_world" />

<Button
    android:id="@+id/ButtonCount"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_above="@+id/TextViewCount"
    android:layout_alignRight="@+id/TextViewCount"
    android:layout_marginBottom="22dp"
    android:text="Count" />

package com.example.counter;

import android.app.Activity;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;


public class MainActivity extends Activity {
 // Private member field to keep track of the count
 private static int mCount = 0;

private TextView countTextView;
private Button countButton;
public static final String PREFS_NAME = "com.example.myApp.mCount";
private SharedPreferences settings = null;
private SharedPreferences.Editor editor = null;

/** ADD THIS METHOD **/
@Override
public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);  
  setContentView(R.layout.main);
  countTextView = (TextView) findViewById(R.id.TextViewCount);
  countButton = (Button) findViewById(R.id.ButtonCount);

  countButton.setOnClickListener(new View.OnClickListener() {
      public void onClick(View v) {
          mCount++;
          countTextView.setText("Count: " + mCount);
          editor = settings.edit(); 
          editor.putInt("mCount", mCount);
          editor.commit();
      }
  });
settings = getSharedPreferences(PREFS_NAME, MODE_PRIVATE);


 }

@Override
public void onPause() {
  super.onPause();  
}

@Override
public void onResume() {
  super.onResume();  
  mCount = settings.getInt("mCount", 0);
  countTextView.setText("Count: " + mCount);
}
}