1 /* 2 * Copyright (C) 2011 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.support.v4.os; 18 19 import android.os.Parcel; 20 import android.os.Parcelable; 21 22 /** 23 * Helper for accessing features in {@link android.os.Parcelable} 24 * introduced after API level 4 in a backwards compatible fashion. 25 */ 26 public final class ParcelableCompat { 27 28 /** 29 * Factory method for {@link Parcelable.Creator}. 30 * 31 * @param callbacks Creator callbacks implementation. 32 * @return New creator. 33 */ 34 public static <T> Parcelable.Creator<T> newCreator( 35 ParcelableCompatCreatorCallbacks<T> callbacks) { 36 if (android.os.Build.VERSION.SDK_INT >= 13) { 37 return ParcelableCompatCreatorHoneycombMR2Stub.instantiate(callbacks); 38 } 39 return new CompatCreator<T>(callbacks); 40 } 41 42 static class CompatCreator<T> implements Parcelable.Creator<T> { 43 final ParcelableCompatCreatorCallbacks<T> mCallbacks; 44 45 public CompatCreator(ParcelableCompatCreatorCallbacks<T> callbacks) { 46 mCallbacks = callbacks; 47 } 48 49 @Override 50 public T createFromParcel(Parcel source) { 51 return mCallbacks.createFromParcel(source, null); 52 } 53 54 @Override 55 public T[] newArray(int size) { 56 return mCallbacks.newArray(size); 57 } 58 } 59 60 private ParcelableCompat() {} 61 } 62
