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 */
16package com.android.transitiontests;
17
18import android.app.Activity;
19import android.os.Bundle;
20import android.transition.ChangeBounds;
21import android.view.View;
22import android.view.ViewGroup;
23import android.transition.Scene;
24import android.transition.TransitionSet;
25import android.widget.Button;
26import android.transition.Fade;
27import android.transition.Transition;
28import android.transition.TransitionManager;
29
30
31public 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
41    public void onCreate(Bundle savedInstanceState) {
42        super.onCreate(savedInstanceState);
43        setContentView(R.layout.fading_test_simple);
44
45        View container = (View) findViewById(R.id.container);
46        mSceneRoot = (ViewGroup) container.getParent();
47
48        mRemovingButton = (Button) 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
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