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.Fade; 24 import android.transition.Recolor; 25 import android.transition.Scene; 26 import android.transition.TransitionSet; 27 import android.transition.TransitionManager; 28 29 30 public class Demo4 extends Activity { 31 ViewGroup mSceneRoot; 32 static Scene mCurrentScene; 33 Scene mSearchScreen, mResultsScreen; 34 TransitionManager mTransitionManager = null; 35 36 @Override 37 public void onCreate(Bundle savedInstanceState) { 38 super.onCreate(savedInstanceState); 39 setContentView(R.layout.search_screen); 40 41 View container = (View) findViewById(R.id.container); 42 mSceneRoot = (ViewGroup) container.getParent(); 43 44 mSearchScreen = Scene.getSceneForLayout(mSceneRoot, R.layout.search_screen, this); 45 mResultsScreen = Scene.getSceneForLayout(mSceneRoot, R.layout.results_screen, this); 46 47 TransitionSet transitionToResults = new TransitionSet(); 48 Fade fade = new Fade(); 49 fade.addTarget(R.id.resultsText).addTarget(R.id.resultsList); 50 fade.setStartDelay(300); 51 fade.setDuration(1000); 52 transitionToResults.addTransition(fade). 53 addTransition(new ChangeBounds().addTarget(R.id.searchContainer)). 54 addTransition(new Recolor().addTarget(R.id.container)); 55 56 TransitionSet transitionToSearch = new TransitionSet(); 57 transitionToSearch.addTransition(fade). 58 addTransition(new ChangeBounds().addTarget(R.id.searchContainer)). 59 addTransition(new Recolor().addTarget(R.id.container)); 60 61 mTransitionManager = new TransitionManager(); 62 mTransitionManager.setTransition(mSearchScreen, transitionToSearch); 63 mTransitionManager.setTransition(mResultsScreen, transitionToResults); 64 } 65 66 public void sendMessage(View view) { 67 if (mCurrentScene == mResultsScreen) { 68 mTransitionManager.transitionTo(mSearchScreen); 69 mCurrentScene = mSearchScreen; 70 } else { 71 mTransitionManager.transitionTo(mResultsScreen); 72 mCurrentScene = mResultsScreen; 73 } 74 } 75 } 76
