Android SearchRecentSuggestions - 在SearchView中輸入時不會顯示建議

Question

我有一個工作搜索小部件，並希望添加搜索歷史建議。 我遵循Android教程（ http://developer.android.com/guide/topics/search/adding-recent-query-suggestions.html ），雖然搜索仍然有效，但沒有顯示任何建議。 這是我的代碼：

1. 內容提供商

    package com.mypackage; import android.content.SearchRecentSuggestionsProvider; public class SearchHistoryProvider extends SearchRecentSuggestionsProvider { public final static String AUTHORITY = SearchHistoryProvider.class.getName(); public final static int MODE = DATABASE_MODE_QUERIES; public SearchHistoryProvider() { setupSuggestions(AUTHORITY, MODE); } } 

2. 在Manifest中聲明提供程序

    <provider android:name=".SearchHistoryProvider" android:authorities="com.mypackage.SearchHistoryProvider"> </provider> 

3. 可搜索的配置

    <?xml version="1.0" encoding="utf-8"?> <searchable xmlns:android="http://schemas.android.com/apk/res/android" android:label="@string/app_name" android:hint="@string/search_hint" android:voiceSearchMode="showVoiceSearchButton|launchRecognizer" android:searchSuggestAuthority="com.mypackage.SearchHistoryProvider" android:searchSuggestSelection=" ?"> </searchable> 

4. 將查詢保存到內容提供程序（在我的可搜索活動中）

    private void handleIntent(Intent intent) { if (Intent.ACTION_SEARCH.equals(intent.getAction())) { String query = intent.getStringExtra(SearchManager.QUERY); SearchRecentSuggestions suggestions = new SearchRecentSuggestions(this, SearchHistoryProvider.AUTHORITY, SearchHistoryProvider.MODE); suggestions.saveRecentQuery(query, null); // Collapse the search view as a search is performed MenuItem searchItem = mMenu.findItem(R.id.search); SearchView searchView = (SearchView) mMenu.findItem(R.id.search).getActionView(); searchItem.collapseActionView(); searchView.setQuery("", false); // send the query to the global search activity for loading the data Intent globalSearchIntent = new Intent(this, GlobalSearchFragmentActivity.class); GroceryOTGUtils.copyIntentData(intent, globalSearchIntent); globalSearchIntent.putExtra(GlobalSearchFragmentActivity.GLOBAL_SEARCH, true); startActivity(globalSearchIntent); } } 

一切正常，除了建議實際上沒有顯示（搜索看起來與我添加它們之前相同）。 任何幫助將不勝感激！

Answer 1

我認為問題是，Manifest.xml中的SearchHistoryProvider聲明是錯誤的。

android:name=".SearchHistoryProvider"

寫作。$ NAME是$ DEFAULTPACKAGE。$ NAME的簡寫，所以如果您的$ DEFAULTPACKAGE是'com.myapp'並且您將.SearchHistoryProvider寫為您的提供商的android：名稱，Android將無法找到它，因為它位於在com.mypackage中，如下面代碼的第一行所示。

package com.mypackage;

import android.content.SearchRecentSuggestionsProvider;

public class SearchHistoryProvider extends SearchRecentSuggestionsProvider {
    public final static String AUTHORITY = SearchHistoryProvider.class.getName();
    public final static int MODE = DATABASE_MODE_QUERIES;

    public SearchHistoryProvider() {
        setupSuggestions(AUTHORITY, MODE);
    }
}