1/*
2 * Copyright (C) 2013 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
18package android.support.v4.view;
19
20import java.lang.reflect.InvocationTargetException;
21import java.lang.reflect.Method;
22
23import android.util.Log;
24import android.view.View;
25import android.view.ViewGroup;
26
27class ViewCompatEclairMr1 {
28    public static final String TAG = "ViewCompat";
29
30    private static Method sChildrenDrawingOrderMethod;
31
32    public static boolean isOpaque(View view) {
33        return view.isOpaque();
34    }
35
36    public static void setChildrenDrawingOrderEnabled(ViewGroup viewGroup, boolean enabled) {
37        if (sChildrenDrawingOrderMethod == null) {
38            try {
39                sChildrenDrawingOrderMethod = ViewGroup.class
40                        .getDeclaredMethod("setChildrenDrawingOrderEnabled", boolean.class);
41            } catch (NoSuchMethodException e) {
42                Log.e(TAG, "Unable to find childrenDrawingOrderEnabled", e);
43            }
44            sChildrenDrawingOrderMethod.setAccessible(true);
45        }
46        try {
47            sChildrenDrawingOrderMethod.invoke(viewGroup, enabled);
48        } catch (IllegalAccessException e) {
49            Log.e(TAG, "Unable to invoke childrenDrawingOrderEnabled", e);
50        } catch (IllegalArgumentException e) {
51            Log.e(TAG, "Unable to invoke childrenDrawingOrderEnabled", e);
52        } catch (InvocationTargetException e) {
53            Log.e(TAG, "Unable to invoke childrenDrawingOrderEnabled", e);
54        }
55    }
56}
57