content: package com.grumoon.volleydemo;
  
  import android.os.Bundle;
  import android.support.v4.app.Fragment;
  import android.support.v4.app.FragmentActivity;
  
  import com.grumoon.volleydemo.fragment.ImageLoaderFragment;
  import com.grumoon.volleydemo.fragment.ImageRequestFragment;
  import com.grumoon.volleydemo.fragment.JsonRequestFragment;
  import com.grumoon.volleydemo.fragment.NetworkImageViewFragment;
  import com.grumoon.volleydemo.fragment.PostRequestFragment;
  import com.grumoon.volleydemo.fragment.StringRequestFragment;
  import com.grumoon.volleydemo.fragment.XmlRequestFragment;
  import com.grumoon.volleydemo.util.Constants;
  
  public class RequestActivity extends FragmentActivity {
  
  	@Override
  	protected void onCreate(Bundle savedInstanceState) {
  		super.onCreate(savedInstanceState);
  
  		int frIndex = getIntent().getIntExtra(Constants.Extra.FRAGMENT_INDEX, 0);
  		Fragment fr;
  		String tag;
  		int titleRes;
  		switch (frIndex) {
  		default:
  		case StringRequestFragment.INDEX:
  			tag = StringRequestFragment.class.getSimpleName();
  			fr = getSupportFragmentManager().findFragmentByTag(tag);
  			if (fr == null) {
  				fr = new StringRequestFragment();
  			}
  			titleRes = R.string.string_request;
  			break;
  		case JsonRequestFragment.INDEX:
  			tag = JsonRequestFragment.class.getSimpleName();
  			fr = getSupportFragmentManager().findFragmentByTag(tag);
  			if (fr == null) {
  				fr = new JsonRequestFragment();
  			}
  			titleRes = R.string.json_request;
  			break;
  		case ImageRequestFragment.INDEX:
  			tag = ImageRequestFragment.class.getSimpleName();
  			fr = getSupportFragmentManager().findFragmentByTag(tag);
  			if (fr == null) {
  				fr = new ImageRequestFragment();
  				fr.setArguments(getIntent().getExtras());
  			}
  			titleRes = R.string.image_request;
  			break;
  		case ImageLoaderFragment.INDEX:
  			tag = ImageLoaderFragment.class.getSimpleName();
  			fr = getSupportFragmentManager().findFragmentByTag(tag);
  			if (fr == null) {
  				fr = new ImageLoaderFragment();
  			}
  			titleRes = R.string.image_loader;
  			break;
  		case NetworkImageViewFragment.INDEX:
  			tag = NetworkImageViewFragment.class.getSimpleName();
  			fr = getSupportFragmentManager().findFragmentByTag(tag);
  			if (fr == null) {
  				fr = new NetworkImageViewFragment();
  			}
  			titleRes = R.string.network_image_view;
  			break;
  		case XmlRequestFragment.INDEX:
  			tag = XmlRequestFragment.class.getSimpleName();
  			fr = getSupportFragmentManager().findFragmentByTag(tag);
  			if (fr == null) {
  				fr = new XmlRequestFragment();
  			}
  			titleRes = R.string.xml_request;
  			break;
  		case PostRequestFragment.INDEX:
  			tag = PostRequestFragment.class.getSimpleName();
  			fr = getSupportFragmentManager().findFragmentByTag(tag);
  			if (fr == null) {
  				fr = new PostRequestFragment();
  			}
  			titleRes = R.string.post_request;
  			break;
  
  		}
  
  		setTitle(titleRes);
  		getSupportFragmentManager().beginTransaction().replace(android.R.id.content, fr, tag).commit();
  	}
  }
  