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 import android.content.Context; 20 import android.util.AttributeSet; 21 22 /** 23 * Utility class for creating a default transition that automatically fades, 24 * moves, and resizes views during a scene change. 25 * 26 * <p>An AutoTransition can be described in a resource file by using the 27 * tag <code>autoTransition</code>, along with the other standard 28 * attributes of {@link android.R.styleable#Transition}.</p> 29 */ 30 public class AutoTransition extends TransitionSet { 31 32 /** 33 * Constructs an AutoTransition object, which is a TransitionSet which 34 * first fades out disappearing targets, then moves and resizes existing 35 * targets, and finally fades in appearing targets. 36 * 37 */ 38 public AutoTransition() { 39 init(); 40 } 41 42 public AutoTransition(Context context, AttributeSet attrs) { 43 super(context, attrs); 44 init(); 45 } 46 47 private void init() { 48 setOrdering(ORDERING_SEQUENTIAL); 49 addTransition(new Fade(Fade.OUT)). 50 addTransition(new ChangeBounds()). 51 addTransition(new Fade(Fade.IN)); 52 } 53 } 54
