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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.content.Context;
     20 import android.os.Bundle;
     21 import android.transition.ChangeBounds;
     22 import android.view.LayoutInflater;
     23 import android.view.View;
     24 import android.view.ViewGroup;
     25 import android.transition.Fade;
     26 import android.transition.Scene;
     27 import android.transition.Transition;
     28 import android.transition.TransitionSet;
     29 import android.widget.ImageView;
     30 import android.widget.TextView;
     31 import android.transition.Crossfade;
     32 import android.transition.Rotate;
     33 import android.transition.TransitionManager;
     34 
     35 public class ContactsExpansion extends Activity {
     36 
     37     String contactsData[] = {
     38             "Alan Green", "56 Bob Street", "Boston, MA 02134", "617-555-5555", "blatt (at) blatt.com",
     39             "Bob Foonman", "92 The Avenue", "Chico, CA 78456", "510-555-5556", "bob (at) jerk.com",
     40             "Tracey Sue", "95 Houses Street", "San Jose, CA 96504", "415-555-5557", "ts (at) thing.com",
     41     };
     42 
     43     View currentItem = null;
     44 
     45     TransitionSet mMyAutoTransition = new TransitionSet().
     46             setOrdering(TransitionSet.ORDERING_SEQUENTIAL);
     47 
     48     @Override
     49     protected void onCreate(Bundle savedInstanceState) {
     50         super.onCreate(savedInstanceState);
     51         setContentView(R.layout.contacts_list);
     52         ViewGroup contactsContainer = (ViewGroup) findViewById(R.id.contactsContainer);
     53 
     54         int contactsIndex = 0;
     55         addContact(contactsContainer, contactsIndex, R.drawable.self_portrait_square_100);
     56         contactsIndex += 5;
     57         addContact(contactsContainer, contactsIndex, R.drawable.self_portrait_square_100);
     58         contactsIndex += 5;
     59         addContact(contactsContainer, contactsIndex, R.drawable.self_portrait_square_100);
     60 
     61     }
     62 
     63     private void addContact(ViewGroup container, int dataIndex, int thumbnailID) {
     64         LayoutInflater inflater = (LayoutInflater)
     65                 getSystemService(Context.LAYOUT_INFLATER_SERVICE);
     66         View contactItem = inflater.inflate(R.layout.contact_collapsed, container, false);
     67         ImageView thumbnailView = (ImageView) contactItem.findViewById(R.id.contact_picture);
     68         thumbnailView.setImageResource(thumbnailID);
     69         ((TextView)contactItem.findViewById(R.id.contact_name)).setText(contactsData[dataIndex++]);
     70         ((TextView)contactItem.findViewById(R.id.contact_street)).
     71                 setText(contactsData[dataIndex++]);
     72         ((TextView)contactItem.findViewById(R.id.contact_city)).setText(contactsData[dataIndex++]);
     73         ((TextView)contactItem.findViewById(R.id.contact_phone)).setText(contactsData[dataIndex++]);
     74         ((TextView)contactItem.findViewById(R.id.contact_email)).setText(contactsData[dataIndex++]);
     75         container.addView(contactItem);
     76 
     77         final TransitionSet myTransition = new TransitionSet();
     78         myTransition.addTransition(new Fade(Fade.IN)).
     79                 addTransition(new Rotate().addTarget(R.id.contact_arrow)).
     80                 addTransition(new ChangeBounds()).
     81                 addTransition(new Fade(Fade.OUT)).
     82                 addTransition(new Crossfade().addTarget(R.id.contact_picture));
     83         final ToggleScene toggleScene = new ToggleScene(container, myTransition);
     84         contactItem.setOnClickListener(new View.OnClickListener() {
     85             @Override
     86             public void onClick(View v) {
     87                 currentItem = v;
     88                 toggleScene.changeToScene();
     89             }
     90         });
     91     }
     92 
     93     class ToggleScene {
     94         boolean expanded = false;
     95         Scene mScene;
     96         Transition mTransition;
     97 
     98         ToggleScene(ViewGroup rootView, Transition transition) {
     99             mScene = new Scene(rootView);
    100             mTransition = transition;
    101             mScene.setEnterAction(new Runnable() {
    102                 @Override
    103                 public void run() {
    104                     if (currentItem != null) {
    105                         System.out.println("onsceneChanged: currentItem = " + currentItem);
    106                         View expandedContainer = currentItem.findViewById(R.id.expanded_info);
    107                         expandedContainer.setVisibility(expanded ? View.GONE : View.VISIBLE);
    108                         ImageView thumbnailView =
    109                                 (ImageView) currentItem.findViewById(R.id.contact_picture);
    110                         thumbnailView.setImageResource(expanded ? R.drawable.self_portrait_square_100 :
    111                                 R.drawable.self_portrait_square_200);
    112                         ImageView arrow = (ImageView) currentItem.findViewById(R.id.contact_arrow);
    113                         arrow.setRotation(expanded ? 0 : 90);
    114                         expanded = !expanded;
    115                     }
    116                 }
    117             });
    118         }
    119 
    120         void changeToScene() {
    121             TransitionManager.go(mScene, mTransition);
    122         }
    123     };
    124 }
    125