HierarchicalMove.java revision 2ea7f8b9c5f903050d42c1af57406bf528979f45 
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.os.Bundle;
20import android.view.View;
21import android.view.ViewGroup;
22import android.view.transition.Move;
23import android.view.transition.Transition;
24import android.view.transition.TransitionGroup;
25import android.view.transition.TransitionManager;
26import android.widget.Button;
27
28import static android.widget.LinearLayout.LayoutParams;
29
30public class HierarchicalMove extends Activity {
31
32    Button[] buttons = new Button[6];
33    ViewGroup mSceneRoot;
34    boolean wide = false;
35    Transition mTransition;
36
37    @Override
38    public void onCreate(Bundle savedInstanceState) {
39        super.onCreate(savedInstanceState);
40        setContentView(R.layout.hierarchical_move);
41
42        View container = (View) findViewById(R.id.container);
43        mSceneRoot = (ViewGroup) container.getParent();
44
45        buttons[0] = (Button) findViewById(R.id.button0);
46        buttons[1] = (Button) findViewById(R.id.button1);
47        buttons[2] = (Button) findViewById(R.id.button2);
48        buttons[3] = (Button) findViewById(R.id.button3);
49        buttons[4] = (Button) findViewById(R.id.button4);
50        buttons[5] = (Button) findViewById(R.id.button5);
51
52        // Move button0, then buttons 1/2 together, then buttons 3/4/5 sequentially:
53        // group (seq)
54        //    Move 0
55        //    group (seq)
56        //       group (together)
57        //          Move 1
58        //          Move 2
59        //       group (sequentially)
60        //          Move 3
61        //          Move 4/5
62        TransitionGroup rootTransition = new TransitionGroup(TransitionGroup.SEQUENTIALLY);
63
64        // button0
65        Transition move0 = new Move();
66        move0.setTargets(buttons[0]);
67
68        // buttons 1/2/3/4/5
69        TransitionGroup group12345 = new TransitionGroup(TransitionGroup.SEQUENTIALLY);
70
71        // buttons 1/2
72        TransitionGroup group12 = new TransitionGroup(TransitionGroup.TOGETHER);
73        Move move1 = new Move();
74        move1.setTargets(buttons[1]);
75        Move move2 = new Move();
76        move2.setTargets(buttons[2]);
77        group12.addTransitions(move1, move2);
78
79        TransitionGroup group345 = new TransitionGroup(TransitionGroup.SEQUENTIALLY);
80        Move move3 = new Move();
81        move3.setTargets(buttons[3]);
82        Move move45 = new Move();
83        move45.setTargets(buttons[4], buttons[5]);
84        group345.addTransitions(move3, move45);
85
86        group12345.addTransitions(move0, group12, group345);
87
88        rootTransition.addTransitions(group12345);
89        rootTransition.setDuration(1000);
90        mTransition = rootTransition;
91
92    }
93
94    public void sendMessage(View view) {
95        TransitionManager.beginDelayedTransition(mSceneRoot, mTransition);
96        int widthSpec = wide ? LayoutParams.WRAP_CONTENT : LayoutParams.MATCH_PARENT;
97        LayoutParams params = new LayoutParams(widthSpec, LayoutParams.WRAP_CONTENT);
98        for (int i = 0; i < buttons.length; ++i) {
99            buttons[i].setLayoutParams(params);
100        }
101        wide = !wide;
102    }
103
104}
105