101be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik/* 201be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * Copyright 2012 The Android Open Source Project 301be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * 401be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * Licensed under the Apache License, Version 2.0 (the "License"); 501be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * you may not use this file except in compliance with the License. 601be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * You may obtain a copy of the License at 701be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * 801be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * http://www.apache.org/licenses/LICENSE-2.0 901be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * 1001be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * Unless required by applicable law or agreed to in writing, software 1101be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * distributed under the License is distributed on an "AS IS" BASIS, 1201be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1301be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * See the License for the specific language governing permissions and 1401be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * limitations under the License. 1501be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik */ 1601be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik 1701be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurikpackage com.example.android.animationsdemo; 1801be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik 1901be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurikimport android.animation.Animator; 2001be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurikimport android.animation.AnimatorListenerAdapter; 2101be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurikimport android.animation.AnimatorSet; 2201be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurikimport android.animation.ObjectAnimator; 2301be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurikimport android.content.Intent; 2401be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurikimport android.graphics.Point; 2501be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurikimport android.graphics.Rect; 2601be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurikimport android.os.Bundle; 2701be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurikimport android.support.v4.app.FragmentActivity; 2801be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurikimport android.support.v4.app.NavUtils; 2901be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurikimport android.view.MenuItem; 3001be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurikimport android.view.View; 3101be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurikimport android.view.animation.DecelerateInterpolator; 3201be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurikimport android.widget.ImageView; 3301be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik 3401be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik/** 3501be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * A sample showing how to zoom an image thumbnail to full-screen, by animating the bounds of the 3601be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * zoomed image from the thumbnail bounds to the screen bounds. 3701be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * 3801be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * <p>In this sample, the user can touch one of two images. Touching an image zooms it in, covering 3901be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * the entire activity content area. Touching the zoomed-in image hides it.</p> 4001be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik */ 4101be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurikpublic class ZoomActivity extends FragmentActivity { 4201be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik /** 4301be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * Hold a reference to the current animator, so that it can be canceled mid-way. 4401be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik */ 4501be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik private Animator mCurrentAnimator; 4601be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik 4701be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik /** 4801be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * The system "short" animation time duration, in milliseconds. This duration is ideal for 4901be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * subtle animations or animations that occur very frequently. 5001be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik */ 5101be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik private int mShortAnimationDuration; 5201be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik 5301be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik @Override 5401be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik protected void onCreate(Bundle savedInstanceState) { 5501be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik super.onCreate(savedInstanceState); 5601be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik setContentView(R.layout.activity_zoom); 5701be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik 5801be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik // Hook up clicks on the thumbnail views. 5901be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik 6001be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik final View thumb1View = findViewById(R.id.thumb_button_1); 6101be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik thumb1View.setOnClickListener(new View.OnClickListener() { 6201be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik @Override 6301be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik public void onClick(View view) { 6401be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik zoomImageFromThumb(thumb1View, R.drawable.image1); 6501be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik } 6601be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik }); 6701be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik 6801be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik final View thumb2View = findViewById(R.id.thumb_button_2); 6901be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik thumb2View.setOnClickListener(new View.OnClickListener() { 7001be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik @Override 7101be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik public void onClick(View view) { 7201be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik zoomImageFromThumb(thumb2View, R.drawable.image2); 7301be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik } 7401be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik }); 7501be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik 7601be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik // Retrieve and cache the system's default "short" animation time. 7701be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik mShortAnimationDuration = getResources().getInteger(android.R.integer.config_shortAnimTime); 7801be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik } 7901be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik 8001be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik @Override 8101be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik public boolean onOptionsItemSelected(MenuItem item) { 8201be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik switch (item.getItemId()) { 8301be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik case android.R.id.home: 8401be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik // Navigate "up" the demo structure to the launchpad activity. 8501be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik // See http://developer.android.com/design/patterns/navigation.html for more. 8601be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik NavUtils.navigateUpTo(this, new Intent(this, MainActivity.class)); 8701be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik return true; 8801be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik } 8901be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik 9001be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik return super.onOptionsItemSelected(item); 9101be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik } 9201be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik 9301be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik /** 9401be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * "Zooms" in a thumbnail view by assigning the high resolution image to a hidden "zoomed-in" 9501be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * image view and animating its bounds to fit the entire activity content area. More 9601be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * specifically: 9701be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * 9801be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * <ol> 9901be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * <li>Assign the high-res image to the hidden "zoomed-in" (expanded) image view.</li> 10001be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * <li>Calculate the starting and ending bounds for the expanded view.</li> 10101be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * <li>Animate each of four positioning/sizing properties (X, Y, SCALE_X, SCALE_Y) 10201be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * simultaneously, from the starting bounds to the ending bounds.</li> 10301be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * <li>Zoom back out by running the reverse animation on click.</li> 10401be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * </ol> 10501be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * 10601be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * @param thumbView The thumbnail view to zoom in. 10701be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik * @param imageResId The high-resolution version of the image represented by the thumbnail. 10801be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik */ 10901be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik private void zoomImageFromThumb(final View thumbView, int imageResId) { 11001be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik // If there's an animation in progress, cancel it immediately and proceed with this one. 11101be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik if (mCurrentAnimator != null) { 11201be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik mCurrentAnimator.cancel(); 11301be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik } 11401be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik 11501be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik // Load the high-resolution "zoomed-in" image. 11601be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik final ImageView expandedImageView = (ImageView) findViewById(R.id.expanded_image); 11701be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik expandedImageView.setImageResource(imageResId); 11801be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik 11901be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik // Calculate the starting and ending bounds for the zoomed-in image. This step 12001be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik // involves lots of math. Yay, math. 12101be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik final Rect startBounds = new Rect(); 12201be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik final Rect finalBounds = new Rect(); 12301be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik final Point globalOffset = new Point(); 12401be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik 12501be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik // The start bounds are the global visible rectangle of the thumbnail, and the 12601be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik // final bounds are the global visible rectangle of the container view. Also 12701be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik // set the container view's offset as the origin for the bounds, since that's 12801be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik // the origin for the positioning animation properties (X, Y). 12901be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik thumbView.getGlobalVisibleRect(startBounds); 13001be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik findViewById(R.id.container).getGlobalVisibleRect(finalBounds, globalOffset); 13101be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik startBounds.offset(-globalOffset.x, -globalOffset.y); 13201be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik finalBounds.offset(-globalOffset.x, -globalOffset.y); 13301be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik 13401be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik // Adjust the start bounds to be the same aspect ratio as the final bounds using the 13501be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik // "center crop" technique. This prevents undesirable stretching during the animation. 13601be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik // Also calculate the start scaling factor (the end scaling factor is always 1.0). 13701be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik float startScale; 13801be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik if ((float) finalBounds.width() / finalBounds.height() 13901be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik > (float) startBounds.width() / startBounds.height()) { 14001be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik // Extend start bounds horizontally 14101be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik startScale = (float) startBounds.height() / finalBounds.height(); 14201be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik float startWidth = startScale * finalBounds.width(); 14301be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik float deltaWidth = (startWidth - startBounds.width()) / 2; 14401be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik startBounds.left -= deltaWidth; 14501be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik startBounds.right += deltaWidth; 14601be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik } else { 14701be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik // Extend start bounds vertically 14801be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik startScale = (float) startBounds.width() / finalBounds.width(); 14901be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik float startHeight = startScale * finalBounds.height(); 15001be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik float deltaHeight = (startHeight - startBounds.height()) / 2; 15101be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik startBounds.top -= deltaHeight; 15201be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik startBounds.bottom += deltaHeight; 15301be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik } 15401be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik 15501be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik // Hide the thumbnail and show the zoomed-in view. When the animation begins, 15601be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik // it will position the zoomed-in view in the place of the thumbnail. 15701be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik thumbView.setAlpha(0f); 15801be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik expandedImageView.setVisibility(View.VISIBLE); 15901be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik 16001be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik // Set the pivot point for SCALE_X and SCALE_Y transformations to the top-left corner of 16101be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik // the zoomed-in view (the default is the center of the view). 16201be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik expandedImageView.setPivotX(0f); 16301be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik expandedImageView.setPivotY(0f); 16401be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik 16501be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik // Construct and run the parallel animation of the four translation and scale properties 16601be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik // (X, Y, SCALE_X, and SCALE_Y). 16701be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik AnimatorSet set = new AnimatorSet(); 16801be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik set 16901be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik .play(ObjectAnimator.ofFloat(expandedImageView, View.X, startBounds.left, 17001be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik finalBounds.left)) 17101be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik .with(ObjectAnimator.ofFloat(expandedImageView, View.Y, startBounds.top, 17201be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik finalBounds.top)) 17301be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_X, startScale, 1f)) 17401be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_Y, startScale, 1f)); 17501be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik set.setDuration(mShortAnimationDuration); 17601be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik set.setInterpolator(new DecelerateInterpolator()); 17701be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik set.addListener(new AnimatorListenerAdapter() { 17801be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik @Override 17901be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik public void onAnimationEnd(Animator animation) { 18001be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik mCurrentAnimator = null; 18101be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik } 18201be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik 18301be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik @Override 18401be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik public void onAnimationCancel(Animator animation) { 18501be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik mCurrentAnimator = null; 18601be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik } 18701be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik }); 18801be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik set.start(); 18901be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik mCurrentAnimator = set; 19001be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik 19101be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik // Upon clicking the zoomed-in image, it should zoom back down to the original bounds 19201be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik // and show the thumbnail instead of the expanded image. 19301be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik final float startScaleFinal = startScale; 19401be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik expandedImageView.setOnClickListener(new View.OnClickListener() { 19501be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik @Override 19601be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik public void onClick(View view) { 19701be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik if (mCurrentAnimator != null) { 19801be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik mCurrentAnimator.cancel(); 19901be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik } 20001be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik 20101be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik // Animate the four positioning/sizing properties in parallel, back to their 20201be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik // original values. 20301be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik AnimatorSet set = new AnimatorSet(); 20401be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik set 20501be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik .play(ObjectAnimator.ofFloat(expandedImageView, View.X, startBounds.left)) 20601be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik .with(ObjectAnimator.ofFloat(expandedImageView, View.Y, startBounds.top)) 20701be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik .with(ObjectAnimator 20801be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik .ofFloat(expandedImageView, View.SCALE_X, startScaleFinal)) 20901be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik .with(ObjectAnimator 21001be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik .ofFloat(expandedImageView, View.SCALE_Y, startScaleFinal)); 21101be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik set.setDuration(mShortAnimationDuration); 21201be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik set.setInterpolator(new DecelerateInterpolator()); 21301be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik set.addListener(new AnimatorListenerAdapter() { 21401be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik @Override 21501be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik public void onAnimationEnd(Animator animation) { 21601be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik thumbView.setAlpha(1f); 21701be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik expandedImageView.setVisibility(View.GONE); 21801be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik mCurrentAnimator = null; 21901be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik } 22001be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik 22101be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik @Override 22201be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik public void onAnimationCancel(Animator animation) { 22301be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik thumbView.setAlpha(1f); 22401be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik expandedImageView.setVisibility(View.GONE); 22501be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik mCurrentAnimator = null; 22601be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik } 22701be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik }); 22801be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik set.start(); 22901be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik mCurrentAnimator = set; 23001be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik } 23101be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik }); 23201be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik } 23301be9fd4c0ab5ed70b413f856d3f3a3367863a81Roman Nurik} 234