List of usage examples for android.animation AnimatorSet AnimatorSet
public AnimatorSet()
From source file:arun.com.chromer.shared.views.TabView.java
private void selectedAnimation() { clearAnimations();//from w w w . ja va 2s. c o m final AnimatorSet transformAnimator = new AnimatorSet(); transformAnimator.playTogether(ObjectAnimator.ofFloat(tabIcon, "translationX", getIconCentreInLayout()), ObjectAnimator.ofFloat(tabIcon, "scaleX", 1f), ObjectAnimator.ofFloat(tabIcon, "scaleY", 1f), ObjectAnimator.ofFloat(text, "scaleX", 0f), ObjectAnimator.ofFloat(text, "scaleY", 0f), ObjectAnimator.ofFloat(text, "alpha", 0f)); transformAnimator.setDuration(275); transformAnimator.setInterpolator(new AccelerateDecelerateInterpolator()); final AnimatorSet togetherAnimator = new AnimatorSet(); togetherAnimator.playSequentially(transformAnimator, getIconSelectionAnimator()); togetherAnimator.start(); }
From source file:com.tmall.wireless.tangram3.ext.SwipeItemTouchListener.java
private void resetViews(RecyclerView recyclerView, final int swipingType, final boolean reachActionEdge, final int direction) { if (enableAnim) { int contentWidth = recyclerView.getWidth(); AnimatorSet animatorSet = new AnimatorSet(); List<Animator> list = new ArrayList<>(); String translation = "translationX"; if (swipingType == SWIPING_VER) { translation = "translationY"; }/*from w w w .j a v a2 s .c o m*/ for (View view : mChildList) { ObjectAnimator animator; if (reachActionEdge) { animator = ObjectAnimator.ofFloat(view, translation, contentWidth * direction) .setDuration(ANIMATE_DURATION); animator.setInterpolator(new AccelerateInterpolator()); } else { animator = ObjectAnimator.ofFloat(view, translation, 0).setDuration(ANIMATE_DURATION); animator.setInterpolator(new DecelerateInterpolator()); } list.add(animator); } animatorSet.playTogether(list); animatorSet.addListener(new Animator.AnimatorListener() { @Override public void onAnimationStart(Animator animation) { } @Override public void onAnimationEnd(Animator animation) { if (swipingType == SWIPING_HOR && reachActionEdge) { if (mSwipeCardRef != null && mSwipeCardRef.get() != null) { SwipeCard swipeCard = mSwipeCardRef.get(); swipeCard.switchTo(swipeCard.getCurrentIndex() - direction); } } mChildList.clear(); } @Override public void onAnimationCancel(Animator animation) { } @Override public void onAnimationRepeat(Animator animation) { } }); animatorSet.start(); } else { if (swipingType == SWIPING_HOR && reachActionEdge) { if (mSwipeCardRef != null && mSwipeCardRef.get() != null) { SwipeCard swipeCard = mSwipeCardRef.get(); swipeCard.switchTo(swipeCard.getCurrentIndex() - direction); } } mChildList.clear(); } if (swipingType == SWIPING_VER) { if (pullFromEndListener != null) { if (mDistanceY < 0 && (mDistanceY < -pullFromEndListener.getPullEdge())) { pullFromEndListener.onAction(); } else { pullFromEndListener.onReset(); } } } swipeType = SWIPING_NONE; }
From source file:com.fugueweb.pub.animation.ZoomActivity.java
/** * "Zooms" in a thumbnail view by assigning the high resolution image to a hidden "zoomed-in" * image view and animating its bounds to fit the entire activity content area. More * specifically://from ww w . j a va2s . com * * <ol> * <li>Assign the high-res image to the hidden "zoomed-in" (expanded) image view.</li> * <li>Calculate the starting and ending bounds for the expanded view.</li> * <li>Animate each of four positioning/sizing properties (X, Y, SCALE_X, SCALE_Y) * simultaneously, from the starting bounds to the ending bounds.</li> * <li>Zoom back out by running the reverse animation on click.</li> * </ol> * * @param thumbView The thumbnail view to zoom in. * @param imageResId The high-resolution version of the image represented by the thumbnail. */ private void zoomImageFromThumb(final View thumbView, int imageResId) { // If there's an animation in progress, cancel it immediately and proceed with this one. if (mCurrentAnimator != null) { mCurrentAnimator.cancel(); } // Load the high-resolution "zoomed-in" image. final ImageView expandedImageView = (ImageView) findViewById(R.id.expanded_image); expandedImageView.setImageResource(imageResId); // Calculate the starting and ending bounds for the zoomed-in image. This step // involves lots of math. Math. final Rect startBounds = new Rect(); final Rect finalBounds = new Rect(); final Point globalOffset = new Point(); // The start bounds are the global visible rectangle of the thumbnail, and the // final bounds are the global visible rectangle of the container view. Also // set the container view's offset as the origin for the bounds, since that's // the origin for the positioning animation properties (X, Y). thumbView.getGlobalVisibleRect(startBounds); findViewById(R.id.container).getGlobalVisibleRect(finalBounds, globalOffset); startBounds.offset(-globalOffset.x, -globalOffset.y); finalBounds.offset(-globalOffset.x, -globalOffset.y); // Adjust the start bounds to be the same aspect ratio as the final bounds using the // "center crop" technique. This prevents undesirable stretching during the animation. // Also calculate the start scaling factor (the end scaling factor is always 1.0). float startScale; if ((float) finalBounds.width() / finalBounds.height() > (float) startBounds.width() / startBounds.height()) { // Extend start bounds horizontally startScale = (float) startBounds.height() / finalBounds.height(); float startWidth = startScale * finalBounds.width(); float deltaWidth = (startWidth - startBounds.width()) / 2; startBounds.left -= deltaWidth; startBounds.right += deltaWidth; } else { // Extend start bounds vertically startScale = (float) startBounds.width() / finalBounds.width(); float startHeight = startScale * finalBounds.height(); float deltaHeight = (startHeight - startBounds.height()) / 2; startBounds.top -= deltaHeight; startBounds.bottom += deltaHeight; } // Hide the thumbnail and show the zoomed-in view. When the animation begins, // it will position the zoomed-in view in the place of the thumbnail. thumbView.setAlpha(0f); expandedImageView.setVisibility(View.VISIBLE); // Set the pivot point for SCALE_X and SCALE_Y transformations to the top-left corner of // the zoomed-in view (the default is the center of the view). expandedImageView.setPivotX(0f); expandedImageView.setPivotY(0f); // Construct and run the parallel animation of the four translation and scale properties // (X, Y, SCALE_X, and SCALE_Y). AnimatorSet set = new AnimatorSet(); set.play(ObjectAnimator.ofFloat(expandedImageView, View.X, startBounds.left, finalBounds.left)) .with(ObjectAnimator.ofFloat(expandedImageView, View.Y, startBounds.top, finalBounds.top)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_X, startScale, 1f)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_Y, startScale, 1f)); set.setDuration(mShortAnimationDuration); set.setInterpolator(new DecelerateInterpolator()); set.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { mCurrentAnimator = null; } @Override public void onAnimationCancel(Animator animation) { mCurrentAnimator = null; } }); set.start(); mCurrentAnimator = set; // Upon clicking the zoomed-in image, it should zoom back down to the original bounds // and show the thumbnail instead of the expanded image. final float startScaleFinal = startScale; expandedImageView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { if (mCurrentAnimator != null) { mCurrentAnimator.cancel(); } // Animate the four positioning/sizing properties in parallel, back to their // original values. AnimatorSet set = new AnimatorSet(); set.play(ObjectAnimator.ofFloat(expandedImageView, View.X, startBounds.left)) .with(ObjectAnimator.ofFloat(expandedImageView, View.Y, startBounds.top)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_X, startScaleFinal)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_Y, startScaleFinal)); set.setDuration(mShortAnimationDuration); set.setInterpolator(new DecelerateInterpolator()); set.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { thumbView.setAlpha(1f); expandedImageView.setVisibility(View.GONE); mCurrentAnimator = null; } @Override public void onAnimationCancel(Animator animation) { thumbView.setAlpha(1f); expandedImageView.setVisibility(View.GONE); mCurrentAnimator = null; } }); set.start(); mCurrentAnimator = set; } }); }
From source file:android.example.com.animationdemos.ZoomActivity.java
/** * "Zooms" in a thumbnail view by assigning the high resolution image to a hidden "zoomed-in" * image view and animating its bounds to fit the entire activity content area. More * specifically:/*from ww w . j a v a2 s . c o m*/ * <p/> * <ol> * <li>Assign the high-res image to the hidden "zoomed-in" (expanded) image view.</li> * <li>Calculate the starting and ending bounds for the expanded view.</li> * <li>Animate each of four positioning/sizing properties (X, Y, SCALE_X, SCALE_Y) * simultaneously, from the starting bounds to the ending bounds.</li> * <li>Zoom back out by running the reverse animation on click.</li> * </ol> * * @param thumbView The thumbnail view to zoom in. * @param imageResId The high-resolution version of the image represented by the thumbnail. */ private void zoomImageFromThumb(final View thumbView, int imageResId) { // If there's an animation in progress, cancel it immediately and proceed with this one. if (mCurrentAnimator != null) { mCurrentAnimator.cancel(); } // Load the high-resolution "zoomed-in" image. final ImageView expandedImageView = (ImageView) findViewById(R.id.expanded_image); expandedImageView.setImageResource(imageResId); // Calculate the starting and ending bounds for the zoomed-in image. This step // involves lots of math. Yay, math. final Rect startBounds = new Rect(); final Rect finalBounds = new Rect(); final Point globalOffset = new Point(); // The start bounds are the global visible rectangle of the thumbnail, and the // final bounds are the global visible rectangle of the container view. Also // set the container view's offset as the origin for the bounds, since that's // the origin for the positioning animation properties (X, Y). thumbView.getGlobalVisibleRect(startBounds); findViewById(R.id.container).getGlobalVisibleRect(finalBounds, globalOffset); startBounds.offset(-globalOffset.x, -globalOffset.y); finalBounds.offset(-globalOffset.x, -globalOffset.y); // Adjust the start bounds to be the same aspect ratio as the final bounds using the // "center crop" technique. This prevents undesirable stretching during the animation. // Also calculate the start scaling factor (the end scaling factor is always 1.0). float startScale; if ((float) finalBounds.width() / finalBounds.height() > (float) startBounds.width() / startBounds.height()) { // Extend start bounds horizontally startScale = (float) startBounds.height() / finalBounds.height(); float startWidth = startScale * finalBounds.width(); float deltaWidth = (startWidth - startBounds.width()) / 2; startBounds.left -= deltaWidth; startBounds.right += deltaWidth; } else { // Extend start bounds vertically startScale = (float) startBounds.width() / finalBounds.width(); float startHeight = startScale * finalBounds.height(); float deltaHeight = (startHeight - startBounds.height()) / 2; startBounds.top -= deltaHeight; startBounds.bottom += deltaHeight; } // Hide the thumbnail and show the zoomed-in view. When the animation begins, // it will position the zoomed-in view in the place of the thumbnail. thumbView.setAlpha(0f); expandedImageView.setVisibility(View.VISIBLE); // Set the pivot point for SCALE_X and SCALE_Y transformations to the top-left corner of // the zoomed-in view (the default is the center of the view). expandedImageView.setPivotX(0f); expandedImageView.setPivotY(0f); // Construct and run the parallel animation of the four translation and scale properties // (X, Y, SCALE_X, and SCALE_Y). AnimatorSet set = new AnimatorSet(); set.play(ObjectAnimator.ofFloat(expandedImageView, View.X, startBounds.left, finalBounds.left)) .with(ObjectAnimator.ofFloat(expandedImageView, View.Y, startBounds.top, finalBounds.top)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_X, startScale, 1f)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_Y, startScale, 1f)); set.setDuration(mShortAnimationDuration); set.setInterpolator(new DecelerateInterpolator()); set.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { mCurrentAnimator = null; } @Override public void onAnimationCancel(Animator animation) { mCurrentAnimator = null; } }); set.start(); mCurrentAnimator = set; // Upon clicking the zoomed-in image, it should zoom back down to the original bounds // and show the thumbnail instead of the expanded image. final float startScaleFinal = startScale; expandedImageView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { if (mCurrentAnimator != null) { mCurrentAnimator.cancel(); } // Animate the four positioning/sizing properties in parallel, back to their // original values. AnimatorSet set = new AnimatorSet(); set.play(ObjectAnimator.ofFloat(expandedImageView, View.X, startBounds.left)) .with(ObjectAnimator.ofFloat(expandedImageView, View.Y, startBounds.top)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_X, startScaleFinal)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_Y, startScaleFinal)); set.setDuration(mShortAnimationDuration); set.setInterpolator(new DecelerateInterpolator()); set.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { thumbView.setAlpha(1f); expandedImageView.setVisibility(View.GONE); mCurrentAnimator = null; } @Override public void onAnimationCancel(Animator animation) { thumbView.setAlpha(1f); expandedImageView.setVisibility(View.GONE); mCurrentAnimator = null; } }); set.start(); mCurrentAnimator = set; } }); }
From source file:com.viewpagerindicator.TabMovablePageIndicator.java
private void animateScrollWithIndicator(TabView tabView) { int scrollPos = tabView.getLeft() - (getWidth() - tabView.getWidth()) / 2; AnimatorSet as = new AnimatorSet(); as.setDuration(300);/* w w w . j av a2 s .c om*/ ArrayList<Animator> animations = new ArrayList<Animator>(); // scroll ObjectAnimator animScrollX = ObjectAnimator.ofInt(TabMovablePageIndicator.this, "scrollX", scrollPos); animScrollX.setInterpolator(new AccelerateDecelerateInterpolator()); animations.add(animScrollX); // indicator position int left = tabView.getLeft(); // int width = tabView.getWidth(); int textWidth = tabView.wordWidth; // int x = left + (width - textWidth) / 2 - mExtendWidth * 2; // x = x < 0 ? 0 : x; ObjectAnimator translateXAnim = ObjectAnimator.ofFloat(mIndicator, "translationX", left); translateXAnim.setInterpolator(new OvershootInterpolator(0.8f)); animations.add(translateXAnim); // indicator width ValueAnimator animWidth = ValueAnimator.ofInt(mIndicator.getLayoutParams().width, textWidth + mExtendWidth * 2); animWidth.addUpdateListener(new AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator animation) { LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams) mIndicator.getLayoutParams(); lp.width = (Integer) animation.getAnimatedValue(); mIndicator.setLayoutParams(lp); requestLayout(); } }); animations.add(animWidth); as.playTogether(animations); as.start(); }
From source file:org.lib.ExpandableLinearLayout.java
private void animateHeight(final View view, final int targetHeight) { if (animatorSet == null) { animatorSet = new AnimatorSet(); animatorSet.setInterpolator(interpolator); animatorSet.setDuration(duration); }/*from ww w. jav a 2 s .c o m*/ final LayoutParams lp = (LayoutParams) view.getLayoutParams(); lp.weight = 0; int height = view.getHeight(); ValueAnimator animator = ValueAnimator.ofInt(height, targetHeight); animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator valueAnimator) { view.getLayoutParams().height = (Integer) valueAnimator.getAnimatedValue(); view.requestLayout(); if (listener != null) { float fraction = targetHeight == 0 ? 1 - valueAnimator.getAnimatedFraction() : valueAnimator.getAnimatedFraction(); listener.onExpansionUpdate(fraction); } } }); animator.addListener(new Animator.AnimatorListener() { @Override public void onAnimationStart(Animator animator) { view.setVisibility(View.VISIBLE); } @Override public void onAnimationEnd(Animator animator) { if (targetHeight == 0) { view.setVisibility(GONE); } else { lp.height = lp.originalHeight; lp.weight = lp.originalWeight; } } @Override public void onAnimationCancel(Animator animator) { } @Override public void onAnimationRepeat(Animator animator) { } }); animatorSet.playTogether(animator); }
From source file:cn.androidy.materialdesignsample.animations.ZoomActivity.java
/** * "Zooms" in a thumbnail view by assigning the high resolution image to a hidden "zoomed-in" * image view and animating its bounds to fit the entire activity content area. More * specifically://from w w w . j a va 2s .com * * <ol> * <li>Assign the high-res image to the hidden "zoomed-in" (expanded) image view.</li> * <li>Calculate the starting and ending bounds for the expanded view.</li> * <li>Animate each of four positioning/sizing properties (X, Y, SCALE_X, SCALE_Y) * simultaneously, from the starting bounds to the ending bounds.</li> * <li>Zoom back out by running the reverse animation on click.</li> * </ol> * * @param thumbView The thumbnail view to zoom in. * @param imageResId The high-resolution version of the image represented by the thumbnail. */ private void zoomImageFromThumb(final View thumbView, int imageResId) { // If there's an animation in progress, cancel it immediately and proceed with this one. if (mCurrentAnimator != null) { mCurrentAnimator.cancel(); } // Load the high-resolution "zoomed-in" image. final ImageView expandedImageView = (ImageView) findViewById(R.id.expanded_image); expandedImageView.setImageResource(imageResId); // Calculate the starting and ending bounds for the zoomed-in image. This step // involves lots of math. Yay, math. final Rect startBounds = new Rect(); final Rect finalBounds = new Rect(); final Point globalOffset = new Point(); // The start bounds are the global visible rectangle of the thumbnail, and the // final bounds are the global visible rectangle of the container view. Also // set the container view's offset as the origin for the bounds, since that's // the origin for the positioning animation properties (X, Y). thumbView.getGlobalVisibleRect(startBounds); findViewById(R.id.container).getGlobalVisibleRect(finalBounds, globalOffset); startBounds.offset(-globalOffset.x, -globalOffset.y); finalBounds.offset(-globalOffset.x, -globalOffset.y); // Adjust the start bounds to be the same aspect ratio as the final bounds using the // "center crop" technique. This prevents undesirable stretching during the animation. // Also calculate the start scaling factor (the end scaling factor is always 1.0). float startScale; if ((float) finalBounds.width() / finalBounds.height() > (float) startBounds.width() / startBounds.height()) { // Extend start bounds horizontally startScale = (float) startBounds.height() / finalBounds.height(); float startWidth = startScale * finalBounds.width(); float deltaWidth = (startWidth - startBounds.width()) / 2; startBounds.left -= deltaWidth; startBounds.right += deltaWidth; } else { // Extend start bounds vertically startScale = (float) startBounds.width() / finalBounds.width(); float startHeight = startScale * finalBounds.height(); float deltaHeight = (startHeight - startBounds.height()) / 2; startBounds.top -= deltaHeight; startBounds.bottom += deltaHeight; } // Hide the thumbnail and show the zoomed-in view. When the animation begins, // it will position the zoomed-in view in the place of the thumbnail. thumbView.setAlpha(0f); expandedImageView.setVisibility(View.VISIBLE); // Set the pivot point for SCALE_X and SCALE_Y transformations to the top-left corner of // the zoomed-in view (the default is the center of the view). expandedImageView.setPivotX(0f); expandedImageView.setPivotY(0f); // Construct and run the parallel animation of the four translation and scale properties // (X, Y, SCALE_X, and SCALE_Y). AnimatorSet set = new AnimatorSet(); set.play(ObjectAnimator.ofFloat(expandedImageView, View.X, startBounds.left, finalBounds.left)) .with(ObjectAnimator.ofFloat(expandedImageView, View.Y, startBounds.top, finalBounds.top)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_X, startScale, 1f)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_Y, startScale, 1f)); set.setDuration(mShortAnimationDuration); set.setInterpolator(new DecelerateInterpolator()); set.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { mCurrentAnimator = null; } @Override public void onAnimationCancel(Animator animation) { mCurrentAnimator = null; } }); set.start(); mCurrentAnimator = set; // Upon clicking the zoomed-in image, it should zoom back down to the original bounds // and show the thumbnail instead of the expanded image. final float startScaleFinal = startScale; expandedImageView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { if (mCurrentAnimator != null) { mCurrentAnimator.cancel(); } // Animate the four positioning/sizing properties in parallel, back to their // original values. AnimatorSet set = new AnimatorSet(); set.play(ObjectAnimator.ofFloat(expandedImageView, View.X, startBounds.left)) .with(ObjectAnimator.ofFloat(expandedImageView, View.Y, startBounds.top)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_X, startScaleFinal)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_Y, startScaleFinal)); set.setDuration(mShortAnimationDuration); set.setInterpolator(new DecelerateInterpolator()); set.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { thumbView.setAlpha(1f); expandedImageView.setVisibility(View.GONE); mCurrentAnimator = null; } @Override public void onAnimationCancel(Animator animation) { thumbView.setAlpha(1f); expandedImageView.setVisibility(View.GONE); mCurrentAnimator = null; } }); set.start(); mCurrentAnimator = set; } }); }
From source file:com.commonsware.cwac.cam2.support.CameraFragment.java
private void changeMenuIconAnimation(final FloatingActionMenu menu) { AnimatorSet set = new AnimatorSet(); final ImageView v = menu.getMenuIconView(); ObjectAnimator scaleOutX = ObjectAnimator.ofFloat(v, "scaleX", 1.0f, 0.2f); ObjectAnimator scaleOutY = ObjectAnimator.ofFloat(v, "scaleY", 1.0f, 0.2f); ObjectAnimator scaleInX = ObjectAnimator.ofFloat(v, "scaleX", 0.2f, 1.0f); ObjectAnimator scaleInY = ObjectAnimator.ofFloat(v, "scaleY", 0.2f, 1.0f); scaleOutX.setDuration(50);//from w w w .j a v a2 s . c om scaleOutY.setDuration(50); scaleInX.setDuration(150); scaleInY.setDuration(150); scaleInX.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationStart(Animator animation) { v.setImageResource( menu.isOpened() ? R.drawable.cwac_cam2_ic_close : R.drawable.cwac_cam2_ic_action_settings); } }); set.play(scaleOutX).with(scaleOutY); set.play(scaleInX).with(scaleInY).after(scaleOutX); set.setInterpolator(new OvershootInterpolator(2)); menu.setIconToggleAnimatorSet(set); }
From source file:com.google.samples.apps.ourstreets.fragment.StreetViewFragment.java
/** * Reveals the contents of this fragment using a circular reveal animation. *///from w w w. j a v a 2 s .com private void revealPanorama() { //noinspection ConstantConditions getView().setVisibility(View.VISIBLE); //noinspection ConstantConditions Animator circularReveal = ViewUtils.createCircularReveal(mRevealCenter, mRevealWidth, getView(), INTERPOLATOR); ObjectAnimator colorChange = ViewUtils.createColorChange(((FrameLayout) getView()), R.color.foreground, android.R.color.transparent, INTERPOLATOR); AnimatorSet animatorSet = new AnimatorSet(); animatorSet.play(circularReveal).with(colorChange); animatorSet.start(); }
From source file:com.example.imac.animationsdemo.ZoomActivity.java
/** * "Zooms" in a thumbnail view by assigning the high resolution image to a hidden "zoomed-in" * image view and animating its bounds to fit the entire activity content area. More * specifically:/* w ww . j a v a2s . c om*/ * <p/> * <ol> * <li>Assign the high-res image to the hidden "zoomed-in" (expanded) image view.</li> * <li>Calculate the starting and ending bounds for the expanded view.</li> * <li>Animate each of four positioning/sizing properties (X, Y, SCALE_X, SCALE_Y) * simultaneously, from the starting bounds to the ending bounds.</li> * <li>Zoom back out by running the reverse animation on click.</li> * </ol> * * @param thumbView The thumbnail view to zoom in. * @param imageResId The high-resolution version of the image represented by the thumbnail. */ private void zoomImageFromThumb(final View thumbView, int imageResId) { // If there's an animation in progress, cancel it immediately and proceed with this one. if (mCurrentAnimator != null) { mCurrentAnimator.cancel(); } // Load the high-resolution "zoomed-in" image. final ImageView expandedImageView = (ImageView) findViewById(R.id.expanded_image); expandedImageView.setImageResource(imageResId); // Calculate the starting and ending bounds for the zoomed-in image. This step // involves lots of math. Yay, math. final Rect startBounds = new Rect(); final Rect finalBounds = new Rect(); final Point globalOffset = new Point(); // The start bounds are the global visible rectangle of the thumbnail, and the // final bounds are the global visible rectangle of the container view. Also // set the container view's offset as the origin for the bounds, since that's // the origin for the positioning animation properties (X, Y). thumbView.getGlobalVisibleRect(startBounds); //? findViewById(R.id.container).getGlobalVisibleRect(finalBounds, globalOffset); startBounds.offset(-globalOffset.x, -globalOffset.y); finalBounds.offset(-globalOffset.x, -globalOffset.y); // Adjust the start bounds to be the same aspect ratio as the final bounds using the // "center crop" technique. This prevents undesirable stretching during the animation. // Also calculate the start scaling factor (the end scaling factor is always 1.0). float startScale; if ((float) finalBounds.width() / finalBounds.height() > (float) startBounds.width() / startBounds.height()) { // Extend start bounds horizontally startScale = (float) startBounds.height() / finalBounds.height(); float startWidth = startScale * finalBounds.width(); float deltaWidth = (startWidth - startBounds.width()) / 2; startBounds.left -= deltaWidth; startBounds.right += deltaWidth; } else { // Extend start bounds vertically startScale = (float) startBounds.width() / finalBounds.width(); float startHeight = startScale * finalBounds.height(); //?? float deltaHeight = (startHeight - startBounds.height()) / 2; //? ??? 2 ? startBounds.top -= deltaHeight; // startBounds.bottom += deltaHeight; // } // Hide the thumbnail and show the zoomed-in view. When the animation begins, // it will position the zoomed-in view in the place of the thumbnail. thumbView.setAlpha(0f); expandedImageView.setVisibility(View.VISIBLE); // Set the pivot point for SCALE_X and SCALE_Y transformations to the top-left corner of // the zoomed-in view (the default is the center of the view). expandedImageView.setPivotX(0f); expandedImageView.setPivotY(0f); // Construct and run the parallel animation of the four translation and scale properties // (X, Y, SCALE_X, and SCALE_Y). Log.e("==startBounds===", startBounds.left + " " + startBounds.top); AnimatorSet set = new AnimatorSet(); Log.e("=====", startBounds.left + " " + startBounds.top + " " + thumbView.getLeft() + " " + thumbView.getTop()); set.play(ObjectAnimator.ofFloat(expandedImageView, "X", startBounds.left, finalBounds.left)) .with(ObjectAnimator.ofFloat(expandedImageView, "Y", startBounds.top, finalBounds.top)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_X, startScale, 1f)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_Y, startScale, 1f)); set.setDuration(mShortAnimationDuration); set.setInterpolator(new DecelerateInterpolator()); set.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { mCurrentAnimator = null; } @Override public void onAnimationCancel(Animator animation) { mCurrentAnimator = null; } }); set.start(); mCurrentAnimator = set; // Upon clicking the zoomed-in image, it should zoom back down to the original bounds // and show the thumbnail instead of the expanded image. final float startScaleFinal = startScale; expandedImageView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { if (mCurrentAnimator != null) { mCurrentAnimator.cancel(); } // Animate the four positioning/sizing properties in parallel, back to their // original values. AnimatorSet set = new AnimatorSet(); set.play(ObjectAnimator.ofFloat(expandedImageView, View.X, startBounds.left)) .with(ObjectAnimator.ofFloat(expandedImageView, View.Y, startBounds.top)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_X, startScaleFinal)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_Y, startScaleFinal)); set.setDuration(mShortAnimationDuration); set.setInterpolator(new DecelerateInterpolator()); set.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { thumbView.setAlpha(1f); // expandedImageView.setVisibility(View.GONE); mCurrentAnimator = null; } @Override public void onAnimationCancel(Animator animation) { thumbView.setAlpha(1f); // expandedImageView.setVisibility(View.GONE); mCurrentAnimator = null; } }); set.start(); mCurrentAnimator = set; } }); }