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.view.View;
21import android.view.ViewGroup;
22import android.transition.Crossfade;
23import android.transition.ChangeBounds;
24import android.transition.Scene;
25import android.transition.Transition;
26import android.transition.TransitionSet;
27import android.transition.TransitionManager;
28import android.widget.ImageView;
29
30public class CrossfadeImage extends Activity {
31    ViewGroup mSceneRoot;
32    static int mCurrentScene;
33    Scene mScene1, mScene2;
34    TransitionManager mTransitionManager;
35    boolean mExpanded = false;
36    Transition mTransition;
37    ImageView mImageView;
38
39    @Override
40    public void onCreate(Bundle savedInstanceState) {
41        super.onCreate(savedInstanceState);
42        setContentView(R.layout.crossfade_image);
43
44        ViewGroup container = (ViewGroup) findViewById(R.id.container);
45        mSceneRoot = container;
46
47        mImageView = (ImageView) findViewById(R.id.contact_picture);
48        mImageView.setScaleType(ImageView.ScaleType.FIT_CENTER);
49
50        Crossfade mCrossfade = new Crossfade();
51        mCrossfade.addTarget(R.id.contact_picture);
52
53        TransitionSet group = new TransitionSet();
54        group.setDuration(1500);
55        group.addTransition(mCrossfade).addTransition(new ChangeBounds());
56        mTransition = group;
57    }
58
59    public void sendMessage(View view) {
60        TransitionManager.beginDelayedTransition(mSceneRoot, mTransition);
61        if (mExpanded) {
62            mImageView.setImageResource(R.drawable.self_portrait_square_100);
63        } else {
64            mImageView.setImageResource(R.drawable.self_portrait_square_200);
65        }
66        mExpanded = !mExpanded;
67    }
68}
69