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      1 /*
      2  * Copyright (C) 2010 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.example.android.apis.view;
     18 
     19 import com.example.android.apis.R;
     20 
     21 import android.app.Activity;
     22 import android.app.SearchManager;
     23 import android.app.SearchableInfo;
     24 import android.content.Context;
     25 import android.os.Bundle;
     26 import android.view.Menu;
     27 import android.view.MenuInflater;
     28 import android.view.MenuItem;
     29 import android.view.View;
     30 import android.view.Window;
     31 import android.view.MenuItem.OnActionExpandListener;
     32 import android.widget.Button;
     33 import android.widget.SearchView;
     34 import android.widget.TextView;
     35 
     36 import java.util.List;
     37 
     38 /**
     39  * This demonstrates the usage of SearchView in an ActionBar as a menu item.
     40  * It sets a SearchableInfo on the SearchView for suggestions and submitting queries to.
     41  */
     42 public class SearchViewActionBar extends Activity implements SearchView.OnQueryTextListener {
     43 
     44     private SearchView mSearchView;
     45     private TextView mStatusView;
     46 
     47     @Override
     48     protected void onCreate(Bundle savedInstanceState) {
     49         super.onCreate(savedInstanceState);
     50         getWindow().requestFeature(Window.FEATURE_ACTION_BAR);
     51 
     52         setContentView(R.layout.searchview_actionbar);
     53 
     54         mStatusView = (TextView) findViewById(R.id.status_text);
     55     }
     56 
     57     @Override
     58     public boolean onCreateOptionsMenu(Menu menu) {
     59         super.onCreateOptionsMenu(menu);
     60 
     61         MenuInflater inflater = getMenuInflater();
     62         inflater.inflate(R.menu.searchview_in_menu, menu);
     63         MenuItem searchItem = menu.findItem(R.id.action_search);
     64         mSearchView = (SearchView) searchItem.getActionView();
     65         setupSearchView(searchItem);
     66 
     67         return true;
     68     }
     69 
     70     private void setupSearchView(MenuItem searchItem) {
     71 
     72         if (isAlwaysExpanded()) {
     73             mSearchView.setIconifiedByDefault(false);
     74         } else {
     75             searchItem.setShowAsActionFlags(MenuItem.SHOW_AS_ACTION_IF_ROOM
     76                     | MenuItem.SHOW_AS_ACTION_COLLAPSE_ACTION_VIEW);
     77         }
     78 
     79         SearchManager searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE);
     80         if (searchManager != null) {
     81             List<SearchableInfo> searchables = searchManager.getSearchablesInGlobalSearch();
     82 
     83             // Try to use the "applications" global search provider
     84             SearchableInfo info = searchManager.getSearchableInfo(getComponentName());
     85             for (SearchableInfo inf : searchables) {
     86                 if (inf.getSuggestAuthority() != null
     87                         && inf.getSuggestAuthority().startsWith("applications")) {
     88                     info = inf;
     89                 }
     90             }
     91             mSearchView.setSearchableInfo(info);
     92         }
     93 
     94         mSearchView.setOnQueryTextListener(this);
     95     }
     96 
     97     public boolean onQueryTextChange(String newText) {
     98         mStatusView.setText("Query = " + newText);
     99         return false;
    100     }
    101 
    102     public boolean onQueryTextSubmit(String query) {
    103         mStatusView.setText("Query = " + query + " : submitted");
    104         return false;
    105     }
    106 
    107     public boolean onClose() {
    108         mStatusView.setText("Closed!");
    109         return false;
    110     }
    111 
    112     protected boolean isAlwaysExpanded() {
    113         return false;
    114     }
    115 }
    116