Android example source code file (SearchQueryResults.java)

This example Android source code file (SearchQueryResults.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

action_search, activity, android, app, application, bundle, content, intent, os, override, provider, searchqueryresults, searchrecentsuggestions, string, textview

The SearchQueryResults.java Android example source code

/*
 * Copyright (C) 2008 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.example.android.apis.app;

import com.example.android.apis.R;

import android.app.Activity;
import android.app.SearchManager;
import android.content.Intent;
import android.os.Bundle;
import android.provider.SearchRecentSuggestions;
import android.widget.TextView;

public class SearchQueryResults extends Activity
{  
        // UI elements
    TextView mQueryText;
    TextView mAppDataText;
    TextView mDeliveredByText;
    
    /** Called with the activity is first created.
    * 
    *  After the typical activity setup code, we check to see if we were launched
    *  with the ACTION_SEARCH intent, and if so, we handle it.
    */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        
        // Inflate our UI from its XML layout description.
        setContentView(R.layout.search_query_results);
        
        // Get active display items for later updates
        mQueryText = (TextView) findViewById(R.id.txt_query);
        mAppDataText = (TextView) findViewById(R.id.txt_appdata);
        mDeliveredByText = (TextView) findViewById(R.id.txt_deliveredby);
        
        // get and process search query here
        final Intent queryIntent = getIntent();
        final String queryAction = queryIntent.getAction();
        if (Intent.ACTION_SEARCH.equals(queryAction)) {
            doSearchQuery(queryIntent, "onCreate()");
        }
        else {
            mDeliveredByText.setText("onCreate(), but no ACTION_SEARCH intent");
        }
    }
    
    /** 
     * Called when new intent is delivered.
     *
     * This is where we check the incoming intent for a query string.
     * 
     * @param newIntent The intent used to restart this activity
     */
    @Override
    public void onNewIntent(final Intent newIntent) {
        super.onNewIntent(newIntent);
        
        // get and process search query here
        final Intent queryIntent = getIntent();
        final String queryAction = queryIntent.getAction();
        if (Intent.ACTION_SEARCH.equals(queryAction)) {
            doSearchQuery(queryIntent, "onNewIntent()");
        }
        else {
            mDeliveredByText.setText("onNewIntent(), but no ACTION_SEARCH intent");
        }
    }
    
    /**
     * Generic search handler.
     * 
     * In a "real" application, you would use the query string to select results from
     * your data source, and present a list of those results to the user.
     */
    private void doSearchQuery(final Intent queryIntent, final String entryPoint) {
        
        // The search query is provided as an "extra" string in the query intent
        final String queryString = queryIntent.getStringExtra(SearchManager.QUERY);
        mQueryText.setText(queryString);
        
        // Record the query string in the recent queries suggestions provider.
        SearchRecentSuggestions suggestions = new SearchRecentSuggestions(this, 
                SearchSuggestionSampleProvider.AUTHORITY, SearchSuggestionSampleProvider.MODE);
        suggestions.saveRecentQuery(queryString, null);
        
        // If your application provides context data for its searches, 
        // you will receive it as an "extra" bundle in the query intent. 
        // The bundle can contain any number of elements, using any number of keys;
        // For this Api Demo we're just using a single string, stored using "demo key".
        final Bundle appData = queryIntent.getBundleExtra(SearchManager.APP_DATA);
        if (appData == null) {
            mAppDataText.setText("<no app data bundle>");
        }
        if (appData != null) {
            String testStr = appData.getString("demo_key");
            mAppDataText.setText((testStr == null) ? "<no app data>" : testStr);
        }
        
        // Report the method by which we were called.
        mDeliveredByText.setText(entryPoint);
    }
}