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.Fade;
23import android.transition.ChangeBounds;
24import android.transition.Recolor;
25import android.transition.Scene;
26import android.transition.TransitionSet;
27import android.transition.TransitionManager;
28
29public class Demo2 extends Activity {
30    ViewGroup mSceneRoot;
31    static Scene mCurrentScene;
32    boolean mFirstTime = true;
33    Scene mSearchScreen, mResultsScreen;
34    TransitionManager mTransitionManager = null;
35
36    @Override
37    public void onCreate(Bundle savedInstanceState) {
38        super.onCreate(savedInstanceState);
39        setContentView(R.layout.search_screen);
40
41        View container = (View) findViewById(R.id.container);
42        mSceneRoot = (ViewGroup) container.getParent();
43
44    }
45
46    public void sendMessage(View view) {
47        if (mFirstTime) {
48            mFirstTime = false;
49            // Non-resource approach of creating scenes
50//        mSearchScreen = new Scene(this, mSceneRoot, R.layout.search_screen);
51//        mResultsScreen = new Scene(this, mSceneRoot, R.layout.results_screen);
52            try {
53                mSearchScreen = Scene.getSceneForLayout(mSceneRoot, R.layout.search_screen, this);
54                mResultsScreen = Scene.getSceneForLayout(mSceneRoot, R.layout.search_screen, this);
55            } catch (Exception e) {
56                System.out.println("Problem loading scene resource: " + e);
57            }
58
59            TransitionSet transition = new TransitionSet();
60            transition.addTransition(new Fade().addTarget(R.id.resultsText).
61                    addTarget(R.id.resultsList)).
62                    addTransition(new ChangeBounds().addTarget(R.id.searchContainer)).
63                    addTransition(new Recolor().addTarget(R.id.container));
64            mTransitionManager = new TransitionManager();
65            mTransitionManager.setTransition(mSearchScreen, transition);
66            mTransitionManager.setTransition(mResultsScreen, transition);
67        }
68        if (mCurrentScene == mResultsScreen) {
69            mTransitionManager.transitionTo(mSearchScreen);
70            mCurrentScene = mSearchScreen;
71        } else {
72            mTransitionManager.transitionTo(mResultsScreen);
73            mCurrentScene = mResultsScreen;
74        }
75    }
76}
77