今天学习Search有关内容
QueryPreferences.java
import android.content.Context; import android.preference.PreferenceManager; public class QueryPreferences { private static final String PREF_SEARCH_QUERY = "searchQuery"; public static String getStoredQuery(Context context) { return PreferenceManager.getDefaultSharedPreferences(context) .getString(PREF_SEARCH_QUERY, null); } public static void setStoredQuery(Context context, String query) { PreferenceManager.getDefaultSharedPreferences(context) .edit() .putString(PREF_SEARCH_QUERY, query) .apply(); } }