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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.TransitionManager;
23 import android.widget.Button;
24 import android.widget.LinearLayout;
25 import static android.widget.LinearLayout.LayoutParams;
26 
27 public class DelayedTransition extends Activity {
28 
29     private static final int SEARCH_SCREEN = 0;
30     private static final int RESULTS_SCREEN = 1;
31     ViewGroup mSceneRoot;
32     static int mCurrentScene;
33 
34     @Override
onCreate(Bundle savedInstanceState)35     public void onCreate(Bundle savedInstanceState) {
36         super.onCreate(savedInstanceState);
37         setContentView(R.layout.two_buttons);
38 
39         final Button button1 = (Button) findViewById(R.id.button1);
40         final Button button2 = (Button) findViewById(R.id.button2);
41         final LinearLayout container = (LinearLayout) findViewById(R.id.container);
42         button1.setOnClickListener(new View.OnClickListener() {
43             @Override
44             public void onClick(View v) {
45                 int buttonWidth = button1.getWidth();
46                 int containerWidth = container.getWidth();
47                 if (buttonWidth < containerWidth) {
48                     TransitionManager.beginDelayedTransition(container, null);
49                     button1.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT,
50                             LayoutParams.WRAP_CONTENT));
51                     TransitionManager.beginDelayedTransition(container, null);
52                     button2.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT,
53                             LayoutParams.MATCH_PARENT));
54                 } else {
55                     TransitionManager.beginDelayedTransition(container, null);
56                     button1.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT,
57                             LayoutParams.WRAP_CONTENT));
58                     TransitionManager.beginDelayedTransition(container, null);
59                     button2.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT,
60                             LayoutParams.WRAP_CONTENT));
61                 }
62             }
63         });
64     }
65 
66 }
67