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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 
     17 package com.example.android.windowanimations;
     18 
     19 import android.app.Activity;
     20 import android.app.ActivityOptions;
     21 import android.content.Intent;
     22 import android.graphics.Bitmap;
     23 import android.graphics.drawable.BitmapDrawable;
     24 import android.os.Bundle;
     25 import android.view.View;
     26 import android.widget.Button;
     27 import android.widget.ImageView;
     28 
     29 /**
     30  * This example shows how to create custom Window animations to animate between different
     31  * sub-activities.
     32  *
     33  * Watch the associated video for this demo on the DevBytes channel of developer.android.com
     34  * or on YouTube at https://www.youtube.com/watch?v=Ho8vk61lVIU.
     35  */
     36 public class WindowAnimations extends Activity {
     37 
     38     @Override
     39     public void onCreate(Bundle savedInstanceState) {
     40         super.onCreate(savedInstanceState);
     41         setContentView(R.layout.activity_window_animations);
     42 
     43         final Button defaultButton = (Button) findViewById(R.id.defaultButton);
     44         final Button translateButton = (Button) findViewById(R.id.translateButton);
     45         final Button scaleButton = (Button) findViewById(R.id.scaleButton);
     46         final ImageView thumbnail = (ImageView) findViewById(R.id.thumbnail);
     47 
     48         // By default, launching a sub-activity uses the system default for window animations
     49         defaultButton.setOnClickListener(new View.OnClickListener() {
     50             @Override
     51             public void onClick(View v) {
     52                 Intent subActivity = new Intent(WindowAnimations.this,
     53                         SubActivity.class);
     54                 startActivity(subActivity);
     55             }
     56         });
     57 
     58         // Custom animations allow us to do things like slide the next activity in as we
     59         // slide this activity out
     60         translateButton.setOnClickListener(new View.OnClickListener() {
     61             @Override
     62             public void onClick(View v) {
     63                 // Using the AnimatedSubActivity also allows us to animate exiting that
     64                 // activity - see that activity for details
     65                 Intent subActivity = new Intent(WindowAnimations.this,
     66                         AnimatedSubActivity.class);
     67                 // The enter/exit animations for the two activities are specified by xml resources
     68                 Bundle translateBundle =
     69                         ActivityOptions.makeCustomAnimation(WindowAnimations.this,
     70                         R.anim.slide_in_left, R.anim.slide_out_left).toBundle();
     71                 startActivity(subActivity, translateBundle);
     72             }
     73         });
     74 
     75         // Starting in Jellybean, you can provide an animation that scales up the new
     76         // activity from a given source rectangle
     77         scaleButton.setOnClickListener(new View.OnClickListener() {
     78             @Override
     79             public void onClick(View v) {
     80                 Intent subActivity = new Intent(WindowAnimations.this,
     81                         AnimatedSubActivity.class);
     82                 Bundle scaleBundle = ActivityOptions.makeScaleUpAnimation(
     83                         v, 0, 0, v.getWidth(), v.getHeight()).toBundle();
     84                 startActivity(subActivity, scaleBundle);
     85             }
     86         });
     87 
     88         // Starting in Jellybean, you can also provide an animation that scales up the new
     89         // activity from a given bitmap, cross-fading between the starting and ending
     90         // representations. Here, we scale up from a thumbnail image of the final sub-activity
     91         thumbnail.setOnClickListener(new View.OnClickListener() {
     92             @Override
     93             public void onClick(View v) {
     94                 BitmapDrawable drawable = (BitmapDrawable) thumbnail.getDrawable();
     95                 Bitmap bm = drawable.getBitmap();
     96                 Intent subActivity = new Intent(WindowAnimations.this, AnimatedSubActivity.class);
     97                 Bundle scaleBundle = ActivityOptions.makeThumbnailScaleUpAnimation(
     98                         thumbnail, bm, 0, 0).toBundle();
     99                 startActivity(subActivity, scaleBundle);
    100             }
    101         });
    102 
    103 
    104     }
    105 
    106 }
    107