android.support.v7.widget.SearchView#setSuggestionsAdapter ( )源码实例Demo

/** Create menu from XML
 */
@TargetApi(Build.VERSION_CODES.FROYO)
@Override
public boolean onCreateOptionsMenu(Menu menu) {
    mMenu = menu;
    /* Note: on Android 3.0+ with an action bar this method
     * is called while the view is created. This can happen
     * any time after onCreate.
     */
    MenuInflater inflater = getMenuInflater();
    inflater.inflate(R.menu.media_library, menu);

    if (AndroidUtil.isFroyoOrLater()) {
        SearchManager searchManager =
                (SearchManager) VLCApplication.getAppContext().getSystemService(Context.SEARCH_SERVICE);
        mSearchView = (SearchView) MenuItemCompat.getActionView(menu.findItem(R.id.ml_menu_search));
        mSearchView.setSearchableInfo(searchManager.getSearchableInfo(getComponentName()));
        mSearchView.setQueryHint(getString(R.string.search_hint));
        SearchSuggestionsAdapter searchSuggestionsAdapter = new SearchSuggestionsAdapter(this, null);
        searchSuggestionsAdapter.setFilterQueryProvider(this);
        mSearchView.setSuggestionsAdapter(searchSuggestionsAdapter);
    } else
        menu.findItem(R.id.ml_menu_search).setVisible(false);
    return super.onCreateOptionsMenu(menu);
}
 

/**
 * Show user search whisperer with generated suggestions.
 *
 * @param query      actual search query
 * @param searchView corresponding search action view.
 */
private void showSearchSuggestions(String query, SearchView searchView) {
    if (searchSuggestionsAdapter != null && searchSuggestionsList != null) {
        Timber.d("Populate search adapter - mySuggestions.size(): %d", searchSuggestionsList.size());
        final MatrixCursor c = new MatrixCursor(new String[]{BaseColumns._ID, "categories"});
        for (int i = 0; i < searchSuggestionsList.size(); i++) {
            if (searchSuggestionsList.get(i) != null && searchSuggestionsList.get(i).toLowerCase().startsWith(query.toLowerCase()))
                c.addRow(new Object[]{i, searchSuggestionsList.get(i)});
        }
        searchView.setSuggestionsAdapter(searchSuggestionsAdapter);
        searchSuggestionsAdapter.changeCursor(c);
    } else {
        Timber.e("Search adapter is null or search data suggestions missing");
    }
}
 

/**
 * Initialize the contents of the Activity's standard options menu.
 * This is only called once, the first time the options menu is displayed.
 *
 * @param menu the options menu in which we place our items.
 * @return You must return true for the menu to be displayed; if you return false it will not be shown.
 */
@Override
public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.menu_main, menu);
    searchViewItem = menu.findItem(R.id.search);
    searchView = (SearchView) MenuItemCompat.getActionView(searchViewItem);

    searchView.setQueryHint(getResources().getString(R.string.search_hint));
    searchView.setOnQueryTextListener(searchViewOnQueryTextListener);
    searchView.setOnSuggestionListener(searchSuggestionListener);

    // Associate searchable configuration with the SearchView
    SearchManager searchManager =
            (SearchManager) getSystemService(Context.SEARCH_SERVICE);
    SearchView searchViewItemC =
            (SearchView) menu.findItem(R.id.search).getActionView();
    searchViewItemC.setSearchableInfo(
            searchManager.getSearchableInfo(getComponentName()));


    String[] from = {SearchManager.SUGGEST_COLUMN_ICON_1, SearchManager.SUGGEST_COLUMN_TEXT_1, SearchManager.SUGGEST_COLUMN_TEXT_2};
    int[] to = {R.id.posterPath, R.id.title, R.id.info};
    searchAdapter = new SimpleCursorAdapter(getApplicationContext(), R.layout.suggestionrow, null, from, to, 0) {
        @Override
        public void changeCursor(Cursor cursor) {
            super.swapCursor(cursor);
        }
    };
    searchViewItemC.setSuggestionsAdapter(searchAdapter);

    MenuItemCompat.setOnActionExpandListener(searchViewItem, onSearchViewItemExpand);


    return true;
}
 

public boolean executeSearchOnMap(String query) {
    final SearchView searchView = (SearchView) searchMenuItem.getActionView();
    searchView.setSuggestionsAdapter(null);

    PagerResultsFragment pagerResultsFragment = PagerResultsFragment.newInstance(this);
    getSupportFragmentManager().beginTransaction()
            .replace(R.id.pager_results_container, pagerResultsFragment,
                    PagerResultsFragment.TAG)
            .commit();
    return pagerResultsFragment.executeSearchOnMap(getSearchView(), query);
}