ItemListActivity.java

package com.androidornekler.fragmentveactionbarornek;

import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;

public class ItemListActivity extends FragmentActivity implements
		ItemListFragment.Callbacks {

	private boolean mTwoPane;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_item_list);

		if (findViewById(R.id.item_detail_container) != null) {
			mTwoPane = true;

			((ItemListFragment) getSupportFragmentManager().findFragmentById(R.id.item_list)).setActivateOnItemClick(true);
		}
	}

	@Override
	public void onItemSelected(String id) {
		if (mTwoPane) {
			Bundle arguments = new Bundle();
			arguments.putString(ItemDetailFragment.ARG_ITEM_ID, id);
			ItemDetailFragment fragment = new ItemDetailFragment();
			fragment.setArguments(arguments);
			getSupportFragmentManager().beginTransaction().replace(R.id.item_detail_container, fragment).commit();
		} else {
			Intent detailIntent = new Intent(this, ItemDetailActivity.class);
			detailIntent.putExtra(ItemDetailFragment.ARG_ITEM_ID, id);
			startActivity(detailIntent);
		}
	}
}