ParceledListSliceAdapterApi21.java

/*
 * Copyright (C) 2016 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.support.v4.media;

import android.annotation.TargetApi;
import android.media.browse.MediaBrowser;
import android.support.annotation.RequiresApi;

import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.util.List;

/**
 * An adapter class for accessing the hidden framework classes, ParceledListSlice using reflection.
 */
@RequiresApi(21)
@TargetApi(21)
class ParceledListSliceAdapterApi21 {
    private static Constructor sConstructor;
    static {
        try {
            Class theClass = Class.forName("android.content.pm.ParceledListSlice");
            sConstructor = theClass.getConstructor(new Class[] { List.class });
        } catch (ClassNotFoundException | NoSuchMethodException e) {
            e.printStackTrace();
        }
    }

    static Object newInstance(List<MediaBrowser.MediaItem> itemList) {
        Object result = null;
        try {
            result = sConstructor.newInstance(itemList);
        } catch (InstantiationException | IllegalAccessException | InvocationTargetException e) {
            e.printStackTrace();
        }
        return result;
    }
}