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      1 /*
      2  * Copyright (C) 2012 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 package com.example.android.basiccontactables;
     17 
     18 import android.app.Activity;
     19 import android.app.SearchManager;
     20 import android.content.Context;
     21 import android.content.Intent;
     22 import android.os.Bundle;
     23 import android.view.Menu;
     24 import android.widget.SearchView;
     25 
     26 /**
     27  * Simple one-activity app that takes a search term via the Action Bar
     28  * and uses it as a query to search the contacts database via the Contactables
     29  * table.
     30  */
     31 public class MainActivity extends Activity {
     32 
     33     public static final int CONTACT_QUERY_LOADER = 0;
     34     public static final String QUERY_KEY = "query";
     35 
     36 
     37     @Override
     38     protected void onCreate(Bundle savedInstanceState) {
     39         super.onCreate(savedInstanceState);
     40         setContentView(R.layout.sample_main);
     41 
     42         if (getIntent() != null) {
     43             handleIntent(getIntent());
     44         }
     45     }
     46 
     47     @Override
     48     protected void onNewIntent(Intent intent) {
     49         handleIntent(intent);
     50     }
     51 
     52     /**
     53      * Assuming this activity was started with a new intent, process the incoming information and
     54      * react accordingly.
     55      * @param intent
     56      */
     57     private void handleIntent(Intent intent) {
     58         // Special processing of the incoming intent only occurs if the if the action specified
     59         // by the intent is ACTION_SEARCH.
     60         if (Intent.ACTION_SEARCH.equals(intent.getAction())) {
     61             // SearchManager.QUERY is the key that a SearchManager will use to send a query string
     62             // to an Activity.
     63             String query = intent.getStringExtra(SearchManager.QUERY);
     64 
     65             // We need to create a bundle containing the query string to send along to the
     66             // LoaderManager, which will be handling querying the database and returning results.
     67             Bundle bundle = new Bundle();
     68             bundle.putString(QUERY_KEY, query);
     69 
     70             ContactablesLoaderCallbacks loaderCallbacks = new ContactablesLoaderCallbacks(this);
     71 
     72             // Start the loader with the new query, and an object that will handle all callbacks.
     73             getLoaderManager().restartLoader(CONTACT_QUERY_LOADER, bundle, loaderCallbacks);
     74         }
     75     }
     76 
     77     @Override
     78     public boolean onCreateOptionsMenu(Menu menu) {
     79         // Inflate the menu; this adds items to the action bar if it is present.
     80         getMenuInflater().inflate(R.menu.main, menu);
     81 
     82         // Associate searchable configuration with the SearchView
     83         SearchManager searchManager =
     84                 (SearchManager) getSystemService(Context.SEARCH_SERVICE);
     85         SearchView searchView =
     86                 (SearchView) menu.findItem(R.id.search).getActionView();
     87         searchView.setSearchableInfo(
     88                 searchManager.getSearchableInfo(getComponentName()));
     89 
     90         return true;
     91     }
     92 }
     93