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 17package android.support.v4.widget; 18 19import android.util.Log; 20import android.widget.PopupWindow; 21 22import java.lang.reflect.Field; 23 24class PopupWindowCompatApi21 { 25 26 private static final String TAG = "PopupWindowCompatApi21"; 27 28 private static Field sOverlapAnchorField; 29 30 static { 31 try { 32 sOverlapAnchorField = PopupWindow.class.getDeclaredField("mOverlapAnchor"); 33 sOverlapAnchorField.setAccessible(true); 34 } catch (NoSuchFieldException e) { 35 Log.i(TAG, "Could not fetch mOverlapAnchor field from PopupWindow", e); 36 } 37 } 38 39 static void setOverlapAnchor(PopupWindow popupWindow, boolean overlapAnchor) { 40 if (sOverlapAnchorField != null) { 41 try { 42 sOverlapAnchorField.set(popupWindow, overlapAnchor); 43 } catch (IllegalAccessException e) { 44 Log.i(TAG, "Could not set overlap anchor field in PopupWindow", e); 45 } 46 } 47 } 48 49 static boolean getOverlapAnchor(PopupWindow popupWindow) { 50 if (sOverlapAnchorField != null) { 51 try { 52 return (Boolean) sOverlapAnchorField.get(popupWindow); 53 } catch (IllegalAccessException e) { 54 Log.i(TAG, "Could not get overlap anchor field in PopupWindow", e); 55 } 56 } 57 return false; 58 } 59 60} 61