todos: Display the hamburger icon in the action bar.

I want the hamburger icon (three horizontal lines) to show while
the navigation drawer is closed.  The generated code for the navigation
drawer used v4 which has you supply your own icon.  Switching to v7
removes the ability to supply your own icon and gives you the hamburger
instead.

Change-Id: Ie15e61f22149d60e5256729381e54e3d9a3b5cd6
diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index 32144c4..76cf6ff 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -8,7 +8,7 @@
         android:label="@string/app_name"
         android:theme="@style/AppTheme" >
         <activity
-            android:name=".PickListActivity"
+            android:name=".EditListActivity"
             android:label="@string/app_name" >
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
diff --git a/android/app/src/main/java/io/v/android/apps/todos/PickListActivity.java b/android/app/src/main/java/io/v/android/apps/todos/EditListActivity.java
similarity index 94%
rename from android/app/src/main/java/io/v/android/apps/todos/PickListActivity.java
rename to android/app/src/main/java/io/v/android/apps/todos/EditListActivity.java
index a598213..60abc35 100644
--- a/android/app/src/main/java/io/v/android/apps/todos/PickListActivity.java
+++ b/android/app/src/main/java/io/v/android/apps/todos/EditListActivity.java
@@ -9,20 +9,15 @@
 import android.support.v7.app.ActionBar;
 import android.support.v4.app.Fragment;
 import android.support.v4.app.FragmentManager;
-import android.content.Context;
-import android.os.Build;
 import android.os.Bundle;
-import android.view.Gravity;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 import android.support.v4.widget.DrawerLayout;
-import android.widget.ArrayAdapter;
-import android.widget.TextView;
 
-public class PickListActivity extends AppCompatActivity
+public class EditListActivity extends AppCompatActivity
         implements NavigationDrawerFragment.NavigationDrawerCallbacks {
 
     /**
@@ -144,7 +139,7 @@
         @Override
         public void onAttach(Activity activity) {
             super.onAttach(activity);
-            ((PickListActivity) activity).onSectionAttached(
+            ((EditListActivity) activity).onSectionAttached(
                     getArguments().getInt(ARG_SECTION_NUMBER));
         }
     }
diff --git a/android/app/src/main/java/io/v/android/apps/todos/NavigationDrawerFragment.java b/android/app/src/main/java/io/v/android/apps/todos/NavigationDrawerFragment.java
index 6b68836..c08fb5b 100644
--- a/android/app/src/main/java/io/v/android/apps/todos/NavigationDrawerFragment.java
+++ b/android/app/src/main/java/io/v/android/apps/todos/NavigationDrawerFragment.java
@@ -10,7 +10,7 @@
 import android.app.Activity;
 import android.support.v7.app.ActionBar;
 import android.support.v4.app.Fragment;
-import android.support.v4.app.ActionBarDrawerToggle;
+import android.support.v7.app.ActionBarDrawerToggle;
 import android.support.v4.view.GravityCompat;
 import android.support.v4.widget.DrawerLayout;
 import android.content.SharedPreferences;
@@ -139,6 +139,7 @@
                     public void onClick(DialogInterface dialog, int which) {
                         mListNames.add(input.getText().toString());
                         refreshList();
+                        selectItem(mListNames.size() - 1);
                     }
                 })
                 .setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
@@ -185,7 +186,6 @@
         mDrawerToggle = new ActionBarDrawerToggle(
                 getActivity(),                    /* host Activity */
                 mDrawerLayout,                    /* DrawerLayout object */
-                R.drawable.ic_drawer,             /* nav drawer image to replace 'Up' caret */
                 R.string.navigation_drawer_open,  /* "open drawer" description for accessibility */
                 R.string.navigation_drawer_close  /* "close drawer" description for accessibility */
         ) {