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.transition.ChangeBounds; 21 import android.view.View; 22 import android.view.ViewGroup; 23 import android.transition.Transition; 24 import android.transition.TransitionSet; 25 import android.transition.TransitionManager; 26 import android.widget.Button; 27 28 import static android.widget.LinearLayout.LayoutParams; 29 30 public 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 TransitionSet rootTransition = new TransitionSet(). 63 setOrdering(TransitionSet.ORDERING_SEQUENTIAL); 64 65 // button0 66 Transition move0 = new ChangeBounds(); 67 move0.addTarget(buttons[0]); 68 69 // buttons 1/2/3/4/5 70 TransitionSet group12345 = new TransitionSet(). 71 setOrdering(TransitionSet.ORDERING_SEQUENTIAL); 72 73 // buttons 1/2 74 TransitionSet group12 = new TransitionSet(). 75 setOrdering(TransitionSet.ORDERING_TOGETHER); 76 ChangeBounds changeBounds1 = new ChangeBounds(); 77 changeBounds1.addTarget(buttons[1]); 78 ChangeBounds changeBounds2 = new ChangeBounds(); 79 changeBounds2.addTarget(buttons[2]); 80 group12.addTransition(changeBounds1).addTransition(changeBounds2); 81 82 TransitionSet group345 = new TransitionSet(). 83 setOrdering(TransitionSet.ORDERING_SEQUENTIAL); 84 ChangeBounds changeBounds3 = new ChangeBounds(); 85 changeBounds3.addTarget(buttons[3]); 86 ChangeBounds changeBounds45 = new ChangeBounds(); 87 changeBounds45.addTarget(buttons[4]).addTarget(buttons[5]); 88 group345.addTransition(changeBounds3).addTransition(changeBounds45); 89 90 group12345.addTransition(move0).addTransition(group12).addTransition(group345); 91 92 rootTransition.addTransition(group12345); 93 rootTransition.setDuration(1000); 94 mTransition = rootTransition; 95 96 } 97 98 public void sendMessage(View view) { 99 TransitionManager.beginDelayedTransition(mSceneRoot, mTransition); 100 int widthSpec = wide ? LayoutParams.WRAP_CONTENT : LayoutParams.MATCH_PARENT; 101 LayoutParams params = new LayoutParams(widthSpec, LayoutParams.WRAP_CONTENT); 102 for (int i = 0; i < buttons.length; ++i) { 103 buttons[i].setLayoutParams(params); 104 } 105 wide = !wide; 106 } 107 108 } 109
