package com.bignerdranch.android.geoquiz;import android.os.Bundle;import android.support.v4.app.Fragment;import android.support.v7.app.ActionBarActivity;import android.view.LayoutInflater;import android.view.Menu;import android.view.MenuItem;import android.view.View;import android.view.ViewGroup;import android.widget.Button;import android.widget.Toast;public class TestActivity extends ActionBarActivity {	private static Button mFirstButton;	private static Button mSecondButton;	@Override	protected void onCreate(Bundle savedInstanceState) {		super.onCreate(savedInstanceState);		setContentView(R.layout.activity_test);		if (savedInstanceState == null) {			getSupportFragmentManager().beginTransaction()					.add(R.id.container, new PlaceholderFragment()).commit();		}	}	@Override	public boolean onCreateOptionsMenu(Menu menu) {		// Inflate the menu; this adds items to the action bar if it is present.		getMenuInflater().inflate(R.menu.test, menu);		return true;	}	@Override	public boolean onOptionsItemSelected(MenuItem item) {		// Handle action bar item clicks here. The action bar will		// automatically handle clicks on the Home/Up button, so long		// as you specify a parent activity in AndroidManifest.xml.		int id = item.getItemId();		if (id == R.id.action_settings) {			return true;		}		return super.onOptionsItemSelected(item);	}	/**	 * A placeholder fragment containing a simple view.	 */	public static class PlaceholderFragment extends Fragment {		public PlaceholderFragment() {		}		@Override		public View onCreateView(LayoutInflater inflater, ViewGroup container,				Bundle savedInstanceState) {			final View rootView = inflater.inflate(R.layout.fragment_test, container,					false);						mFirstButton = (Button) rootView.findViewById(R.id.first_button);			mFirstButton.setOnClickListener(new View.OnClickListener() {				@Override				public void onClick(View v) {					Toast.makeText(rootView.getContext(), R.string.first_toast,							Toast.LENGTH_SHORT).show();				}			});						mSecondButton = (Button) rootView.findViewById(R.id.second_button);			mSecondButton.setOnClickListener(new View.OnClickListener() {				@Override				public void onClick(View v) {					Toast.makeText(rootView.getContext(), R.string.second_toast,							Toast.LENGTH_SHORT).show();				}			});						return rootView;		}	}}