InstanceTargets.java revision faebd8f0795b7d275fb4e503533c8c0c4a9acc21 
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.view.transition.Move;
25import android.view.transition.Scene;
26import android.view.transition.TransitionManager;
27import android.widget.Button;
28import android.widget.RelativeLayout;
29import com.android.transitiontest.R;
30
31import static android.widget.RelativeLayout.ALIGN_PARENT_LEFT;
32import static android.widget.RelativeLayout.ALIGN_PARENT_RIGHT;
33import static android.widget.RelativeLayout.LayoutParams;
34
35public class InstanceTargets extends Activity {
36
37    ViewGroup mSceneRoot;
38    static int mCurrentScene;
39
40    @Override
41    public void onCreate(Bundle savedInstanceState) {
42        super.onCreate(savedInstanceState);
43        setContentView(R.layout.instance_targets);
44
45        View container = (View) findViewById(R.id.container);
46        mSceneRoot = (ViewGroup) container;
47    }
48
49    public void sendMessage(final View view) {
50        TransitionManager.go(mSceneRoot, new Runnable() {
51            @Override
52            public void run() {
53                for (int i = 0; i < mSceneRoot.getChildCount(); ++i) {
54                    Button button = (Button) mSceneRoot.getChildAt(i);
55                    LayoutParams params = (LayoutParams) button.getLayoutParams();
56                    int rules[] = params.getRules();
57                    if (rules[ALIGN_PARENT_RIGHT] != 0) {
58                        params.removeRule(ALIGN_PARENT_RIGHT);
59                        params.addRule(ALIGN_PARENT_LEFT);
60                    } else {
61                        params.removeRule(ALIGN_PARENT_LEFT);
62                        params.addRule(ALIGN_PARENT_RIGHT);
63                    }
64                    button.setLayoutParams(params);
65                }
66            }
67        }, new Move().setTargets(view));
68    }
69}
70