RequestActivity.java

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();
	}
}