2 * Copyright (C) 2013 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
16 package com.android.transitiontests;
18 import android.app.Activity;
19 import android.os.Bundle;
20 import android.transition.ChangeBounds;
21 import android.view.View;
22 import android.view.ViewGroup;
23 import android.transition.Fade;
24 import android.transition.Recolor;
25 import android.transition.Scene;
26 import android.transition.TransitionSet;
27 import android.transition.TransitionManager;
30 public class Demo4 extends Activity {
32 static Scene mCurrentScene;
33 Scene mSearchScreen, mResultsScreen;
34 TransitionManager mTransitionManager = null;
37 public void onCreate(Bundle savedInstanceState) {
38 super.onCreate(savedInstanceState);
39 setContentView(R.layout.search_screen);
41 View container = findViewById(R.id.container);
42 mSceneRoot = (ViewGroup) container.getParent();
44 mSearchScreen = Scene.getSceneForLayout(mSceneRoot, R.layout.search_screen, this);
45 mResultsScreen = Scene.getSceneForLayout(mSceneRoot, R.layout.results_screen, this);
47 TransitionSet transitionToResults = new TransitionSet();
48 Fade fade = new Fade();
49 fade.addTarget(R.id.resultsText).addTarget(R.id.resultsList);
50 fade.setStartDelay(300);
51 fade.setDuration(1000);
52 transitionToResults.addTransition(fade).
53 addTransition(new ChangeBounds().addTarget(R.id.searchContainer)).
54 addTransition(new Recolor().addTarget(R.id.container));
56 TransitionSet transitionToSearch = new TransitionSet();
57 transitionToSearch.addTransition(fade).
58 addTransition(new ChangeBounds().addTarget(R.id.searchContainer)).
59 addTransition(new Recolor().addTarget(R.id.container));
61 mTransitionManager = new TransitionManager();
62 mTransitionManager.setTransition(mSearchScreen, transitionToSearch);
63 mTransitionManager.setTransition(mResultsScreen, transitionToResults);
66 public void sendMessage(View view) {
67 if (mCurrentScene == mResultsScreen) {
68 mTransitionManager.transitionTo(mSearchScreen);
69 mCurrentScene = mSearchScreen;
71 mTransitionManager.transitionTo(mResultsScreen);
72 mCurrentScene = mResultsScreen;