1 /* 2 * Copyright (C) 2015 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 import android.annotation.Nullable; 20 import android.content.res.Resources; 21 import android.content.res.Resources.Theme; 22 import android.view.View; 23 import android.view.ViewGroup; 24 25 /** 26 * An extension of SpinnerAdapter that is capable of inflating drop-down views 27 * against a different theme than normal views. 28 * <p> 29 * Classes that implement this interface should use the theme provided to 30 * {@link #setDropDownViewTheme(Theme)} when creating views in 31 * {@link SpinnerAdapter#getDropDownView(int, View, ViewGroup)}. 32 */ 33 public interface ThemedSpinnerAdapter extends SpinnerAdapter { 34 /** 35 * Sets the {@link Resources.Theme} against which drop-down views are 36 * inflated. 37 * 38 * @param theme the context against which to inflate drop-down views, or 39 * {@code null} to use the default theme 40 * @see SpinnerAdapter#getDropDownView(int, View, ViewGroup) 41 */ 42 void setDropDownViewTheme(@Nullable Resources.Theme theme); 43 44 /** 45 * Returns the value previously set by a call to 46 * {@link #setDropDownViewTheme(Theme)}. 47 * 48 * @return the {@link Resources.Theme} against which drop-down views are 49 * inflated, or {@code null} if one has not been explicitly set 50 */ 51 @Nullable 52 Resources.Theme getDropDownViewTheme(); 53 } 54
