revise ActionBar samples to include an action view using SearchView,

also modify the sub-menu item to something that makes sense
and demonstrate how to invalidate the action bar and redraw it

Change-Id: I84f5414c74ab47f7657c226daa2334e7e4449e91

samples/ApiDemos/res/menu/actions.xml

@@ -18,7 +18,7 @@
           android:icon="@android:drawable/ic_menu_search"
           android:title="@string/action_bar_search"
           android:showAsAction="ifRoom"
-          android:onClick="onSearch" />
+          android:actionViewClass="android.widget.SearchView" />
     <item android:id="@+id/action_add"
           android:icon="@android:drawable/ic_menu_add"
           android:title="@string/action_bar_add" />
@@ -30,15 +30,19 @@
           android:icon="@android:drawable/ic_menu_share"
           android:title="@string/action_bar_share"
           android:showAsAction="ifRoom" />
-    <item android:id="@+id/action_zoom"
+    <item android:id="@+id/action_sort"
-          android:icon="@android:drawable/ic_menu_zoom"
+          android:icon="@android:drawable/ic_menu_sort_by_size"
-          android:title="@string/action_bar_zoom"
+          android:title="@string/action_bar_sort"
           android:showAsAction="ifRoom">
         <menu>
-            <item android:id="@+id/action_save"
+            <item android:id="@+id/action_sort_size"
-                  android:icon="@android:drawable/ic_menu_save"
+                  android:icon="@android:drawable/ic_menu_sort_by_size"
-                  android:title="@string/action_bar_save"
+                  android:title="@string/action_bar_sort_size"
-                  android:showAsAction="ifRoom" />
+                  android:onClick="onSort" />
+            <item android:id="@+id/action_sort_alpha"
+                  android:icon="@android:drawable/ic_menu_sort_alphabetically"
+                  android:title="@string/action_bar_sort_alpha"
+                  android:onClick="onSort" />
         </menu>
     </item>
 </menu>

samples/ApiDemos/res/values/strings.xml

@@ -624,8 +624,9 @@
     <string name="action_bar_add">Add</string>
     <string name="action_bar_edit">Edit</string>
     <string name="action_bar_share">Share</string>
-    <string name="action_bar_zoom">Zoom</string>
+    <string name="action_bar_sort">Sort</string>
-    <string name="action_bar_save">Save</string>
+    <string name="action_bar_sort_alpha">Alphabetically</string>
+    <string name="action_bar_sort_size">By size</string>
 
     <string name="action_bar_display_options">App/Action Bar/Display Options</string>
     <string name="toggle_home_as_up">DISPLAY_HOME_AS_UP</string>

samples/ApiDemos/src/com/example/android/apis/app/ActionBarUsage.java

@@ -16,9 +16,14 @@
 package com.example.android.apis.app;
 
 import android.app.Activity;
+import android.graphics.drawable.Drawable;
+import android.os.Bundle;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
+import android.widget.SearchView;
+import android.widget.SearchView.OnQueryChangeListener;
+import android.widget.TextView;
 import android.widget.Toast;
 
 import com.example.android.apis.R;
@@ -29,14 +34,35 @@ import com.example.android.apis.R;
  * menu data itself. If you'd like to see how these things work under the hood, see
  * ActionBarMechanics.
  */
-public class ActionBarUsage extends Activity {
+public class ActionBarUsage extends Activity implements OnQueryChangeListener {
+    TextView mSearchText;
+    int mSortMode = -1;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        mSearchText = new TextView(this);
+        setContentView(mSearchText);
+    }
+
     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
         MenuInflater inflater = getMenuInflater();
         inflater.inflate(R.menu.actions, menu);
+        SearchView searchView = (SearchView) menu.findItem(R.id.action_search).getActionView();
+        searchView.setOnQueryChangeListener(this);
         return true;
     }
 
+    @Override
+    public boolean onPrepareOptionsMenu(Menu menu) {
+        if (mSortMode != -1) {
+            Drawable icon = menu.findItem(mSortMode).getIcon();
+            menu.findItem(R.id.action_sort).setIcon(icon);
+        }
+        return super.onPrepareOptionsMenu(menu);
+    }
+
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         Toast.makeText(this, "Selected Item: " + item.getTitle(), Toast.LENGTH_SHORT).show();
@@ -46,7 +72,24 @@ public class ActionBarUsage extends Activity {
     // This method is specified as an onClick handler in the menu xml and will
     // take precedence over the Activity's onOptionsItemSelected method.
     // See res/menu/actions.xml for more info.
-    public void onSearch(MenuItem item) {
+    public void onSort(MenuItem item) {
-        Toast.makeText(this, "Searching...", Toast.LENGTH_SHORT).show();
+        mSortMode = item.getItemId();
+        // Request a call to onPrepareOptionsMenu so we can change the sort icon
+        invalidateOptionsMenu();
+    }
+
+    // The following callbacks are called for the SearchView.OnQueryChangeListener
+    // For more about using SearchView, see src/.../view/SearchView1.java and SearchView2.java
+    @Override
+    public boolean onQueryTextChanged(String newText) {
+        newText = newText.isEmpty() ? "" : "Query so far: " + newText;
+        mSearchText.setText(newText);
+        return true;
+    }
+
+    @Override
+    public boolean onSubmitQuery(String query) {
+        Toast.makeText(this, "Searching for: " + query + "...", Toast.LENGTH_SHORT).show();
+        return true;
     }
 }