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.content.Context;
20 import android.os.Bundle;
21 import android.view.LayoutInflater;
22 import android.view.View;
23 import android.view.ViewGroup;
24 import android.transition.Fade;
25 import android.transition.ChangeBounds;
26 import android.transition.Scene;
27 import android.transition.TransitionSet;
28 import android.transition.TransitionManager;
29 
30 
31 public class Demo1 extends Activity {
32     ViewGroup mSceneRoot;
33     static Scene mCurrentScene;
34     boolean mFirstTime = true;
35     Scene mSearchScreen, mResultsScreen;
36     TransitionManager mTransitionManager = null;
37 
38     @Override
onCreate(Bundle savedInstanceState)39     public void onCreate(Bundle savedInstanceState) {
40         super.onCreate(savedInstanceState);
41         setContentView(R.layout.search_screen);
42 
43         View container = (View) findViewById(R.id.container);
44         mSceneRoot = (ViewGroup) container.getParent();
45 
46 //        mResultsScreen = new MyScene(mSceneRoot, R.layout.results_screen);
47 //        mSearchScreen = new MyScene(mSceneRoot, R.layout.search_screen);
48         mResultsScreen = new Scene(mSceneRoot);
49         mResultsScreen.setEnterAction(new Runnable() {
50             @Override
51             public void run() {
52                 LayoutInflater inflater = (LayoutInflater)
53                         getSystemService(Context.LAYOUT_INFLATER_SERVICE);
54                 inflater.inflate(R.layout.results_screen, mSceneRoot);
55             }
56         });
57         mSearchScreen = new Scene(mSceneRoot);
58         mSearchScreen.setEnterAction(new Runnable() {
59             @Override
60             public void run() {
61                 LayoutInflater inflater = (LayoutInflater)
62                         getSystemService(Context.LAYOUT_INFLATER_SERVICE);
63                 inflater.inflate(R.layout.search_screen, mSceneRoot);
64             }
65         });
66 
67     }
68 
sendMessage(View view)69     public void sendMessage(View view) {
70         if (mFirstTime) {
71             mFirstTime = false;
72             TransitionSet transition = new TransitionSet();
73             transition.addTransition(new Fade().addTarget(R.id.resultsText).
74                     addTarget(R.id.resultsList)).
75                     addTransition(new ChangeBounds().addTarget(R.id.searchContainer));
76             mTransitionManager = new TransitionManager();
77             mTransitionManager.setTransition(mSearchScreen, transition);
78             mTransitionManager.setTransition(mResultsScreen, transition);
79         }
80         if (mCurrentScene == mResultsScreen) {
81             mTransitionManager.transitionTo(mSearchScreen);
82             mCurrentScene = mSearchScreen;
83         } else {
84             mTransitionManager.transitionTo(mResultsScreen);
85             mCurrentScene = mResultsScreen;
86         }
87     }
88 }
89