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      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 package android.transition;
     18 
     19 /**
     20  * Utility class for creating a default transition that automatically fades,
     21  * moves, and resizes views during a scene change.
     22  *
     23  * <p>An AutoTransition can be described in a resource file by using the
     24  * tag <code>autoTransition</code>, along with the other standard
     25  * attributes of {@link android.R.styleable#Transition}.</p>
     26  */
     27 public class AutoTransition extends TransitionSet {
     28 
     29     /**
     30      * Constructs an AutoTransition object, which is a TransitionSet which
     31      * first fades out disappearing targets, then moves and resizes existing
     32      * targets, and finally fades in appearing targets.
     33      *
     34      */
     35     public AutoTransition() {
     36         setOrdering(ORDERING_SEQUENTIAL);
     37         addTransition(new Fade(Fade.OUT)).
     38                 addTransition(new ChangeBounds()).
     39                 addTransition(new Fade(Fade.IN));
     40     }
     41 }
     42