MapFragmentをTabの要素として表示したい to @shikajiro

EventMapFragment.java

package jp.kickhost.eventnavi;

import java.util.ArrayList;

import jp.kickhost.localsearch.model.Event;
import android.app.Fragment;
import android.os.Bundle;
import android.text.format.Time;
import android.util.Log;
import android.view.InflateException;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.GoogleMap.OnCameraChangeListener;
import com.google.android.gms.maps.MapFragment;
import com.google.android.gms.maps.UiSettings;
import com.google.android.gms.maps.model.CameraPosition;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;

public class EventMapFragment extends Fragment {
        private GoogleMap mMap;
        private static View view;

        @Override
        public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
                // ここでハマった
                // 困ったときのstackoverflow
                // http://stackoverflow.com/questions/14083950/duplicate-id-tag-null-or-parent-id-with-another-fragment-for-com-google-androi
                if (view != null) {
                        ViewGroup parent = (ViewGroup) view.getParent();
                        if (parent != null)
                                parent.removeView(view);
                }
                try {
                        view = inflater.inflate(R.layout.fragment_event_map, container, false);
                } catch (InflateException e) {
                        /* map is already there, just return view as it is */
                }
                return view;
        }

        @Override
        public void onResume() {
                super.onResume();
                setUpMapIfNeeded();
        }

        private void setUpMapIfNeeded() {
                if (mMap == null) {
                        mMap = ((MapFragment) getFragmentManager().findFragmentById(R.id.fragmentMap)).getMap();
                        if (mMap != null) {
                                setUpMap();
                        }
                }
                mMap.moveCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(-33.87365, 151.20689), 14.0f));
        }

        //　とりあえず適当にピンたててみたり。    
        private void setUpMap() {
                mMap.addMarker(new MarkerOptions().position(new LatLng(0, 0)).title("Marker"));
                mMap.addMarker(new MarkerOptions().position(new LatLng(-33.87365, 151.20689)).title("Marker"));
                mMap.addMarker(new MarkerOptions().position(new LatLng(-33.57365, 151.20689)).title("Marker"));
                // 現在位置表示の有効化
                mMap.setMyLocationEnabled(true);
                // 設定の取得
                UiSettings settings = mMap.getUiSettings();
                // コンパスの有効化
                settings.setCompassEnabled(true);
                // 現在位置に移動するボタンの有効化
                settings.setMyLocationButtonEnabled(true);
                // ズームイン・アウトボタンの有効化
                settings.setZoomControlsEnabled(true);
                // 回転ジェスチャーの有効化
                settings.setRotateGesturesEnabled(false);
                // スクロールジェスチャーの有効化
                settings.setScrollGesturesEnabled(true);
                // Tlitジェスチャー(立体表示)の有効化
                settings.setTiltGesturesEnabled(false);
                // ズームジェスチャー(ピンチイン・アウト)の有効化
                settings.setZoomGesturesEnabled(true);
                mMap.setOnCameraChangeListener(new OnCameraChangeListener() {
                        @Override
                        public void onCameraChange(CameraPosition position) {
                                Log.d("TEST", "zoop:" + position.zoom);
                        }
                });
        }

}

fragment_event_map.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/linearLayoutContents"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <fragment
        android:id="@+id/fragmentMap"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        class="com.google.android.gms.maps.MapFragment" />

</LinearLayout>

MainActivity.java

package jp.kickhost.eventnavi;

import java.util.ArrayList;

import jp.kickhost.localsearch.model.Event;
import jp.kickhost.localsearch.network.LocalSearchRestClient;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.app.ActionBar;
import android.app.ActionBar.Tab;
import android.app.ActionBar.TabListener;
import android.app.Activity;
import android.app.FragmentTransaction;
import android.os.Bundle;
import android.view.Menu;

import com.loopj.android.http.JsonHttpResponseHandler;
import com.loopj.android.http.RequestParams;

public class MainActivity extends Activity {

        ActionBar mActionBar;
        EventListFragment mListFragment;
        EventMapFragment mMapFragment;

        /**
         * The serialization (saved instance state) Bundle key representing the
         * current tab position.
         */
        private static final String STATE_SELECTED_NAVIGATION_ITEM = "selected_navigation_item";

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

                mActionBar = getActionBar();
                mActionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
                TabListener tabListener = new ActionBar.TabListener() {
                        @Override
                        public void onTabSelected(Tab tab, FragmentTransaction ft) {
                                if (tab.getText().equals("Map")) {
                                        if (mMapFragment == null) {
                                                mMapFragment = new EventMapFragment();
                                                ft.add(android.R.id.content, mMapFragment, "map");
                                        } else {
                                                ft.attach(mMapFragment);
                                        }

                                } else {
                                        if (mListFragment == null) {
                                                mListFragment = new EventListFragment();
                                                ft.add(android.R.id.content, mListFragment, "list");
                                        } else {
                                                ft.attach(mListFragment);
                                        }
                                }
                        }

                        @Override
                        public void onTabReselected(Tab tab, FragmentTransaction ft) {
                        }

                        @Override
                        public void onTabUnselected(Tab tab, FragmentTransaction ft) {
                                if (tab.getText().equals("Map")) {
                                        if (mMapFragment != null) {
                                                ft.detach(mMapFragment);
                                        }
                                } else {
                                        if (mListFragment != null) {
                                                ft.detach(mListFragment);
                                        }
                                }
                        }
                };

                mActionBar.addTab(mActionBar.newTab().setText("List").setTabListener(tabListener));
                mActionBar.addTab(mActionBar.newTab().setText("Map").setTabListener(tabListener));
                getEventList();
        }

        @Override
        public void onRestoreInstanceState(Bundle savedInstanceState) {
                // Restore the previously serialized current tab position.
                if (savedInstanceState.containsKey(STATE_SELECTED_NAVIGATION_ITEM)) {
                        getActionBar().setSelectedNavigationItem(savedInstanceState.getInt(STATE_SELECTED_NAVIGATION_ITEM));
                }
        }

        @Override
        public void onSaveInstanceState(Bundle outState) {
                // Serialize the current tab position.
                outState.putInt(STATE_SELECTED_NAVIGATION_ITEM, getActionBar().getSelectedNavigationIndex());
        }

}