1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.widget; 18 19 /** 20 * <p>Defines a filterable behavior. A filterable class can have its data 21 * constrained by a filter. Filterable classes are usually 22 * {@link android.widget.Adapter} implementations.</p> 23 * 24 * @see android.widget.Filter 25 */ 26 public interface Filterable { 27 /** 28 * <p>Returns a filter that can be used to constrain data with a filtering 29 * pattern.</p> 30 * 31 * <p>This method is usually implemented by {@link android.widget.Adapter} 32 * classes.</p> 33 * 34 * @return a filter used to constrain data 35 */ 36 Filter getFilter(); 37 } 38
