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 package com.android.transitiontests;
17 
18 import android.app.Activity;
19 import android.os.Bundle;
20 import android.transition.ChangeBounds;
21 import android.view.View;
22 import android.view.ViewGroup;
23 import android.transition.Scene;
24 import android.transition.TransitionSet;
25 import android.widget.Button;
26 import android.transition.Fade;
27 import android.transition.Transition;
28 import android.transition.TransitionManager;
29 
30 
31 public class SequenceTestSimple extends Activity {
32 
33     Button mRemovingButton, mInvisibleButton, mGoneButton;
34     Scene mScene1, mScene2;
35     ViewGroup mSceneRoot;
36     Transition sequencedFade;
37     TransitionSet sequencedFadeReverse;
38     Scene mCurrentScene;
39 
40     @Override
onCreate(Bundle savedInstanceState)41     public void onCreate(Bundle savedInstanceState) {
42         super.onCreate(savedInstanceState);
43         setContentView(R.layout.fading_test_simple);
44 
45         View container = findViewById(R.id.container);
46         mSceneRoot = (ViewGroup) container.getParent();
47 
48         mRemovingButton = findViewById(R.id.removingButton);
49 
50         mScene1 = Scene.getSceneForLayout(mSceneRoot, R.layout.fading_test_simple, this);
51         mScene2 = Scene.getSceneForLayout(mSceneRoot, R.layout.fading_test_simple2, this);
52 
53         TransitionSet fader = new TransitionSet().
54                 setOrdering(TransitionSet.ORDERING_SEQUENTIAL);
55         fader.addTransition(new Fade().addTarget(R.id.removingButton));
56         fader.addTransition(new ChangeBounds().addTarget(R.id.sceneSwitchButton));
57         sequencedFade = fader;
58 
59         sequencedFadeReverse = new TransitionSet().
60                 setOrdering(TransitionSet.ORDERING_SEQUENTIAL);
61         sequencedFadeReverse.addTransition(new ChangeBounds().addTarget(R.id.sceneSwitchButton));
62         sequencedFadeReverse.addTransition(new Fade().addTarget(R.id.removingButton));
63 
64         mCurrentScene = mScene1;
65     }
66 
sendMessage(View view)67     public void sendMessage(View view) {
68         if (mCurrentScene == mScene1) {
69             TransitionManager.go(mScene2, sequencedFade);
70             mCurrentScene = mScene2;
71         } else {
72             TransitionManager.go(mScene1, sequencedFadeReverse);
73             mCurrentScene = mScene1;
74         }
75     }}
76