Demo1.java revision 51efddbd3bb304de2dd47fa8cd1114ac555958bb 
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.content.Context;
20import android.os.Bundle;
21import android.view.LayoutInflater;
22import android.view.View;
23import android.view.ViewGroup;
24import android.transition.Fade;
25import android.transition.ChangeBounds;
26import android.transition.Scene;
27import android.transition.TransitionSet;
28import android.transition.TransitionManager;
29
30
31public 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
39    public void onCreate(Bundle savedInstanceState) {
40        super.onCreate(savedInstanceState);
41        setContentView(R.layout.search_screen);
42
43        View container = 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
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