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.view.View;
21 import android.view.ViewGroup;
22 import android.transition.Scene;
23 import android.widget.Button;
24 import android.transition.Fade;
25 import android.transition.TransitionManager;
26 
27 
28 public class FadingTest extends Activity {
29 
30     Button mRemovingButton, mInvisibleButton, mGoneButton;
31     Scene mScene1, mScene2;
32     ViewGroup mSceneRoot;
33     static Fade sFade = new Fade();
34     Scene mCurrentScene;
35 
36     static {
37         sFade.addTarget(R.id.removingButton).addTarget(R.id.invisibleButton).
38                 addTarget(R.id.goneButton);
39     }
40 
41     @Override
onCreate(Bundle savedInstanceState)42     public void onCreate(Bundle savedInstanceState) {
43         super.onCreate(savedInstanceState);
44         setContentView(R.layout.fading_test);
45 
46         View container = findViewById(R.id.container);
47         mSceneRoot = (ViewGroup) container.getParent();
48 
49 
50         mRemovingButton = findViewById(R.id.removingButton);
51         mInvisibleButton = findViewById(R.id.invisibleButton);
52         mGoneButton = findViewById(R.id.goneButton);
53 
54         mGoneButton.setOnClickListener(new View.OnClickListener() {
55             @Override
56             public void onClick(View v) {
57                 mGoneButton.setAlpha(mGoneButton.getAlpha() < 1 ? 1 : .6f);
58             }
59         });
60 
61         mScene1 = Scene.getSceneForLayout(mSceneRoot, R.layout.fading_test, this);
62         mScene2 = Scene.getSceneForLayout(mSceneRoot, R.layout.fading_test_scene_2, this);
63 
64         mCurrentScene = mScene1;
65     }
66 
sendMessage(View view)67     public void sendMessage(View view) {
68         if (mCurrentScene == mScene1) {
69             TransitionManager.go(mScene2);
70             mCurrentScene = mScene2;
71         } else {
72             TransitionManager.go(mScene1);
73             mCurrentScene = mScene1;
74         }
75     }
76 
77 }
78