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/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.transitiontests;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.view.transition.Move;
import android.view.transition.Transition;
import android.view.transition.TransitionGroup;
import android.view.transition.TransitionManager;
import android.widget.Button;
import static android.widget.LinearLayout.LayoutParams;
public class HierarchicalMove extends Activity {
Button[] buttons = new Button[6];
ViewGroup mSceneRoot;
boolean wide = false;
Transition mTransition;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.hierarchical_move);
View container = (View) findViewById(R.id.container);
mSceneRoot = (ViewGroup) container.getParent();
buttons[0] = (Button) findViewById(R.id.button0);
buttons[1] = (Button) findViewById(R.id.button1);
buttons[2] = (Button) findViewById(R.id.button2);
buttons[3] = (Button) findViewById(R.id.button3);
buttons[4] = (Button) findViewById(R.id.button4);
buttons[5] = (Button) findViewById(R.id.button5);
// Move button0, then buttons 1/2 together, then buttons 3/4/5 sequentially:
// group (seq)
// Move 0
// group (seq)
// group (together)
// Move 1
// Move 2
// group (sequentially)
// Move 3
// Move 4/5
TransitionGroup rootTransition = new TransitionGroup(TransitionGroup.SEQUENTIALLY);
// button0
Transition move0 = new Move();
move0.setTargets(buttons[0]);
// buttons 1/2/3/4/5
TransitionGroup group12345 = new TransitionGroup(TransitionGroup.SEQUENTIALLY);
// buttons 1/2
TransitionGroup group12 = new TransitionGroup(TransitionGroup.TOGETHER);
Move move1 = new Move();
move1.setTargets(buttons[1]);
Move move2 = new Move();
move2.setTargets(buttons[2]);
group12.addTransitions(move1, move2);
TransitionGroup group345 = new TransitionGroup(TransitionGroup.SEQUENTIALLY);
Move move3 = new Move();
move3.setTargets(buttons[3]);
Move move45 = new Move();
move45.setTargets(buttons[4], buttons[5]);
group345.addTransitions(move3, move45);
group12345.addTransitions(move0, group12, group345);
rootTransition.addTransitions(group12345);
rootTransition.setDuration(1000);
mTransition = rootTransition;
}
public void sendMessage(View view) {
TransitionManager.beginDelayedTransition(mSceneRoot, mTransition);
int widthSpec = wide ? LayoutParams.WRAP_CONTENT : LayoutParams.MATCH_PARENT;
LayoutParams params = new LayoutParams(widthSpec, LayoutParams.WRAP_CONTENT);
for (int i = 0; i < buttons.length; ++i) {
buttons[i].setLayoutParams(params);
}
wide = !wide;
}
}
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