<?xml version="1.0" encoding="utf-8"?> <searchable xmlns:android="http://schemas.android.com/apk/res/android" android:label="@string/searchHint"   <!--需要用@string 方法，且必须要有label属性-->android:hint="@string/searchHint" android:searchMode="showSearchLabelAsBadge" > </searchable>

//调用SearchDialog    public boolean onSearchRequested() {        // If your application absolutely must disable search, do it here.// Next, set up a bundle to send context-specific search data (if any)        // The bundle can contain any number of elements, using any number of keys;        // For this Api Demo we copy a string from the user input field, and store        // it in the bundle as a string with the key "demo_key".        // For most applications, you can simply pass null to startSearch().        Bundle appDataBundle = null;         appDataBundle = new Bundle();         // Now call the Activity member function that invokes the Search Manager UI.        startSearch("111", false, appDataBundle, false);               // Returning true indicates that we did launch the search, instead of blocking it.        return true;    }

//处理查询内容：    /**     * 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 {            Toast.makeText(this, "onNewIntent(), but no ACTION_SEARCH intent", Toast.LENGTH_SHORT).show();        }    } /**     * 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);           Toast.makeText(this,queryString, Toast.LENGTH_SHORT).show();               //保存搜索记录        SearchRecentSuggestions suggestions=new SearchRecentSuggestions(this,                SearchSuggestionSampleProvider.AUTHORITY, SearchSuggestionSampleProvider.MODE);        suggestions.saveRecentQuery(queryString, null);    }

 1 public class SearchSuggestionSampleProvider extends 2         SearchRecentSuggestionsProvider { 3      /** 4      * This is the provider authority identifier.  The same string must appear in your 5      * Manifest file, and any time you instantiate a  6      * {@link android.provider.SearchRecentSuggestions} helper class.  7      */ 8     final static String AUTHORITY = "com.example.testhttp.SuggestionProvider"; 9     /**10      * These flags determine the operating mode of the suggestions provider.  This value should 11      * not change from run to run, because when it does change, your suggestions database may 12      * be wiped.13      */14     final static int MODE = DATABASE_MODE_QUERIES;15     16     /**17      * The main job of the constructor is to call {@link #setupSuggestions(String, int)} with the18      * appropriate configuration values.19      */20     public SearchSuggestionSampleProvider() {21         super();22         setupSuggestions(AUTHORITY, MODE);23     }24 }