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