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.Fade;
23 import android.transition.ChangeBounds;
24 import android.transition.Recolor;
25 import android.transition.Scene;
26 import android.transition.TransitionSet;
27 import android.transition.TransitionManager;
28 
29 public 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
onCreate(Bundle savedInstanceState)37     public void onCreate(Bundle savedInstanceState) {
38         super.onCreate(savedInstanceState);
39         setContentView(R.layout.search_screen);
40 
41         View container = findViewById(R.id.container);
42         mSceneRoot = (ViewGroup) container.getParent();
43 
44     }
45 
sendMessage(View view)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