main_activity.java

package com.example.iab;

import android.app.Activity;
import android.os.Bundle;
import com.example.iab.util.IabHelper;
import com.example.iab.util.IabResult;
import com.example.iab.util.Inventory;
import com.example.iab.util.Purchase;

public class MainActivity extends Activity {

  IabHelper mHelper;

  private static final String TAG = "com.mbaasy.android.demo";
  private static final String PUBLIC_KEY = "<public key goes here>";

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
  }
}