A very quick test case for up navigation in master detail views. I simply enhanced some of the code, the wizard creates. This is more or less the code of my blogpost "Adding ActionBarSherlock to Your Project" (http://www.grokkingandroid.com/adding-actionbarsherlock-to-your-project/). Lines 73 and 74 add an animation and line 76 adds the detail f…

ItemListActivity.java

package com.example.test;

import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.util.Log;
import android.view.MenuItem;

/**
 * An activity representing a list of Items. This activity has different
 * presentations for handset and tablet-size devices. On handsets, the activity
 * presents a list of items, which when touched, lead to a
 * {@link ItemDetailActivity} representing item details. On tablets, the
 * activity presents the list of items and item details side-by-side using two
 * vertical panes.
 * <p>
 * The activity makes heavy use of fragments. The list of items is a
 * {@link ItemListFragment} and the item details (if present) is a
 * {@link ItemDetailFragment}.
 * <p>
 * This activity also implements the required {@link ItemListFragment.Callbacks}
 * interface to listen for item selections.
 */
public class ItemListActivity extends FragmentActivity implements
      ItemListFragment.Callbacks {

   private static final String BACKSTACK_NAME= "detailFragment";
   /**
    * Whether or not the activity is in two-pane mode, i.e. running on a tablet
    * device.
    */
   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) {
         // The detail container view will be present only in the
         // large-screen layouts (res/values-large and
         // res/values-sw600dp). If this view is present, then the
         // activity should be in two-pane mode.
         mTwoPane = true;

         // In two-pane mode, list items should be given the
         // 'activated' state when touched.
         ((ItemListFragment) getSupportFragmentManager().findFragmentById(
               R.id.item_list)).setActivateOnItemClick(true);
      }

      // TODO: If exposing deep links into your app, handle intents here.
   }

   /**
    * Callback method from {@link ItemListFragment.Callbacks} indicating that
    * the item with the given ID was selected.
    */
   @Override
   public void onItemSelected(String id) {
      if (mTwoPane) {
         // In two-pane mode, show the detail view in this activity by
         // adding or replacing the detail fragment using a
         // fragment transaction.
         Bundle arguments = new Bundle();
         arguments.putString(ItemDetailFragment.ARG_ITEM_ID, id);
         ItemDetailFragment fragment = new ItemDetailFragment();
         fragment.setArguments(arguments);
         getSupportFragmentManager()
               .beginTransaction()
               .setCustomAnimations(R.animator.slide_in_left,
                     R.animator.slide_out_right, R.animator.slide_in_left, R.animator.slide_out_right)
               .replace(R.id.item_detail_container, fragment)
               .addToBackStack(BACKSTACK_NAME)
               .commit();
         getActionBar().setDisplayHomeAsUpEnabled(true);

      } else {
         // In single-pane mode, simply start the detail activity
         // for the selected item ID.
         Intent detailIntent = new Intent(this, ItemDetailActivity.class);
         detailIntent.putExtra(ItemDetailFragment.ARG_ITEM_ID, id);
         startActivity(detailIntent);
      }
   }

   @Override
   public boolean onOptionsItemSelected(MenuItem item) {
      if (item.getItemId() == android.R.id.home) {
         Log.v("grokkingandroid", "up selected");
         Fragment f = getSupportFragmentManager().findFragmentById(R.id.item_detail_container);
         getSupportFragmentManager().popBackStack(BACKSTACK_NAME, FragmentManager.POP_BACK_STACK_INCLUSIVE);
         getSupportFragmentManager()
               .beginTransaction()
               .setCustomAnimations(R.animator.slide_in_left,
                     R.animator.slide_out_right)
               .remove(f)
               .commit();
         getActionBar().setDisplayHomeAsUpEnabled(false);    
         getActionBar().setHomeButtonEnabled(false);
      }
      return super.onOptionsItemSelected(item);
   }

   @Override
   public void onBackPressed() {
      if (getSupportFragmentManager().getBackStackEntryCount() == 0) {
         moveTaskToBack(true);
      }
      getSupportFragmentManager().popBackStack(BACKSTACK_NAME, FragmentManager.POP_BACK_STACK_INCLUSIVE);
      getActionBar().setDisplayHomeAsUpEnabled(false);
      getActionBar().setHomeButtonEnabled(false);
   }
   
}