Home | History | Annotate | Download | only in animation 
      1 /*
      2  * Copyright (C) 2014 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.example.android.apis.animation;
     17 
     18 import com.example.android.apis.R;
     19 
     20 import android.app.Activity;
     21 import android.app.ActivityOptions;
     22 import android.content.Intent;
     23 import android.graphics.drawable.ColorDrawable;
     24 import android.graphics.drawable.Drawable;
     25 import android.os.Bundle;
     26 import android.view.View;
     27 import android.widget.ImageView;
     28 
     29 /**
     30  *
     31  */
     32 public class ActivityTransitionDetails extends Activity {
     33 
     34     private static final String TAG = "ActivityTransitionDetails";
     35 
     36     private static final String KEY_ID = "ViewTransitionValues:id";
     37 
     38     private int mImageResourceId = R.drawable.ducky;
     39 
     40     private String mName = "ducky";
     41 
     42     @Override
     43     protected void onCreate(Bundle savedInstanceState) {
     44         super.onCreate(savedInstanceState);
     45         getWindow().setBackgroundDrawable(new ColorDrawable(randomColor()));
     46         setContentView(R.layout.image_details);
     47         ImageView titleImage = (ImageView) findViewById(R.id.titleImage);
     48         titleImage.setImageDrawable(getHeroDrawable());
     49     }
     50 
     51     private Drawable getHeroDrawable() {
     52         String name = getIntent().getStringExtra(KEY_ID);
     53         if (name != null) {
     54             mName = name;
     55             mImageResourceId = ActivityTransition.getDrawableIdForKey(name);
     56         }
     57 
     58         return getResources().getDrawable(mImageResourceId);
     59     }
     60 
     61     public void clicked(View v) {
     62         Intent intent = new Intent(this, ActivityTransition.class);
     63         intent.putExtra(KEY_ID, mName);
     64         ActivityOptions activityOptions = ActivityOptions.makeSceneTransitionAnimation(this,
     65                 v, "hero");
     66         startActivity(intent, activityOptions.toBundle());
     67     }
     68 
     69     private static int randomColor() {
     70         int red = (int)(Math.random() * 128);
     71         int green = (int)(Math.random() * 128);
     72         int blue = (int)(Math.random() * 128);
     73         return 0xFF000000 | (red << 16) | (green << 8) | blue;
     74     }
     75 }
     76