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      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.Scene;
     23 import android.transition.TransitionInflater;
     24 import android.transition.Transition;
     25 import android.transition.TransitionManager;
     26 
     27 
     28 public class ResourceLoadingTest extends Activity {
     29 
     30     private static final int SEARCH_SCREEN = 0;
     31     private static final int RESULTS_SCREEN = 1;
     32     ViewGroup mSceneRoot;
     33     static int mCurrentScene;
     34     TransitionManager mTransitionManager = null;
     35     TransitionInflater mInflater;
     36 
     37     @Override
     38     public void onCreate(Bundle savedInstanceState) {
     39         super.onCreate(savedInstanceState);
     40         setContentView(R.layout.search_screen);
     41 
     42         View container = findViewById(R.id.container);
     43         mSceneRoot = (ViewGroup) container.getParent();
     44 
     45         mCurrentScene = SEARCH_SCREEN;
     46 
     47         mInflater = TransitionInflater.from(this);
     48     }
     49 
     50     public void sendMessage(View view) {
     51         if (mTransitionManager == null) {
     52             try {
     53                 TransitionInflater inflater = TransitionInflater.from(this);
     54                 mTransitionManager =
     55                         inflater.inflateTransitionManager(R.transition.my_transition_mgr,
     56                                 mSceneRoot);
     57                 Scene loadedScene = new Scene(mSceneRoot);
     58                 System.out.println("loadedScene = " + loadedScene);
     59                 Transition loadedTransition = inflater.inflateTransition(R.transition.my_transition);
     60                 System.out.println("loadedTransition = " + loadedTransition);
     61             } catch (Exception e) {
     62                 System.out.println("Problem loading scene resource: " + e);
     63             }
     64         }
     65         if (mCurrentScene == RESULTS_SCREEN) {
     66             Scene scene = Scene.getSceneForLayout(mSceneRoot, R.layout.search_screen, this);
     67             mTransitionManager.transitionTo(scene);
     68             mCurrentScene = SEARCH_SCREEN;
     69         } else {
     70             Scene scene = Scene.getSceneForLayout(mSceneRoot, R.layout.results_screen, this);
     71             mTransitionManager.transitionTo(scene);
     72             mCurrentScene = RESULTS_SCREEN;
     73         }
     74     }
     75 }
     76