List of usage examples for android.animation ValueAnimator start
@Override
public void start()
From source file:android.support.v17.leanback.widget.AbstractMediaItemPresenter.java
/** * Each media item row can have multiple focusable elements; the details on the left and a set * of optional custom actions on the right. * The selector is a highlight that moves to highlight to cover whichever views is in focus. * * @param selectorView the selector view used to highlight an individual element within a row. * @param focusChangedView The component within the media row whose focus got changed. * @param layoutAnimator the ValueAnimator producing animation frames for the selector's width * and x-translation, generated by this method and stored for the each * {@link ViewHolder}. * @param isDetails Whether the changed-focused view is for a media item details (true) or * an action (false)./*from w w w .j av a 2 s . c om*/ */ private static ValueAnimator updateSelector(final View selectorView, View focusChangedView, ValueAnimator layoutAnimator, boolean isDetails) { int animationDuration = focusChangedView.getContext().getResources() .getInteger(android.R.integer.config_shortAnimTime); DecelerateInterpolator interpolator = new DecelerateInterpolator(); int layoutDirection = ViewCompat.getLayoutDirection(selectorView); if (!focusChangedView.hasFocus()) { // if neither of the details or action views are in focus (ie. another row is in focus), // animate the selector out. selectorView.animate().cancel(); selectorView.animate().alpha(0f).setDuration(animationDuration).setInterpolator(interpolator).start(); // keep existing layout animator return layoutAnimator; } else { // cancel existing layout animator if (layoutAnimator != null) { layoutAnimator.cancel(); layoutAnimator = null; } float currentAlpha = selectorView.getAlpha(); selectorView.animate().alpha(1f).setDuration(animationDuration).setInterpolator(interpolator).start(); final ViewGroup.MarginLayoutParams lp = (ViewGroup.MarginLayoutParams) selectorView.getLayoutParams(); ViewGroup rootView = (ViewGroup) selectorView.getParent(); sTempRect.set(0, 0, focusChangedView.getWidth(), focusChangedView.getHeight()); rootView.offsetDescendantRectToMyCoords(focusChangedView, sTempRect); if (isDetails) { if (layoutDirection == View.LAYOUT_DIRECTION_RTL) { sTempRect.right += rootView.getHeight(); sTempRect.left -= rootView.getHeight() / 2; } else { sTempRect.left -= rootView.getHeight(); sTempRect.right += rootView.getHeight() / 2; } } final int targetLeft = sTempRect.left; final int targetWidth = sTempRect.width(); final float deltaWidth = lp.width - targetWidth; final float deltaLeft = lp.leftMargin - targetLeft; if (deltaLeft == 0f && deltaWidth == 0f) { // no change needed } else if (currentAlpha == 0f) { // change selector to the proper width and marginLeft without animation. lp.width = targetWidth; lp.leftMargin = targetLeft; selectorView.requestLayout(); } else { // animate the selector to the proper width and marginLeft. layoutAnimator = ValueAnimator.ofFloat(0f, 1f); layoutAnimator.setDuration(animationDuration); layoutAnimator.setInterpolator(interpolator); layoutAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator valueAnimator) { // Set width to the proper width for this animation step. float fractionToEnd = 1f - valueAnimator.getAnimatedFraction(); lp.leftMargin = Math.round(targetLeft + deltaLeft * fractionToEnd); lp.width = Math.round(targetWidth + deltaWidth * fractionToEnd); selectorView.requestLayout(); } }); layoutAnimator.start(); } return layoutAnimator; } }
From source file:com.awt.supark.LayoutHandler.java
public void smallButtonPressed(final View view, final MainActivity act) { if (!act.pullUp && !act.pullUpStarted) { // If it isn't already up act.pullUpStarted = true;/*from www. java 2 s .c o m*/ // Declaring animator ValueAnimator animation = ValueAnimator.ofFloat(1f, 0.17f); // ****** UI ELEMENTS FADING OUT ANIMATION ****** // Sets the animation properties animation.setDuration(act.layoutFadeOutDuration); animation.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator animation) { float value = (float) animation.getAnimatedValue(); // Fades out contentLinear and all buttons, except the one that is pressed act.contentLinear.setAlpha(value); if (view.getId() != R.id.buttonMap) { act.btnMap.setAlpha(value); } if (view.getId() != R.id.buttonCars) { act.btnCars.setAlpha(value); } if (view.getId() != R.id.buttonStatistics) { act.btnStatistics.setAlpha(value); } if (view.getId() != R.id.buttonEtc) { act.btnEtc.setAlpha(value); } } }); animation.addListener(new Animator.AnimatorListener() { @Override public void onAnimationStart(Animator animation) { } @Override public void onAnimationEnd(Animator animation) { // Sets the visibility of the other layout and contentlinear act.contentLinear.setVisibility(View.GONE); act.otherContent.setVisibility(View.VISIBLE); // ****** BUTTON PULL UP ANIMATION ****** // Declaring animator ValueAnimator nextAnimation = ValueAnimator.ofFloat(1f, 0f); // Sets the animation properties nextAnimation.setDuration(act.layoutPullUpDuration); nextAnimation.setInterpolator(new AccelerateDecelerateInterpolator()); nextAnimation.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator animation) { float value = (float) animation.getAnimatedValue(); // Sets weight of the two layouts, this makes one smaller and the other bigger act.tableRowTopHalf .setLayoutParams(new TableRow.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT, value)); act.otherContent.setLayoutParams( new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT, 1 - value)); } }); // ****** LAYOUT PULL UP ANIMATION ****** nextAnimation.addListener(new Animator.AnimatorListener() { @Override public void onAnimationStart(Animator animation) { } @Override public void onAnimationEnd(Animator animation) { act.otherContentHandler(view); // Takes care of including new views act.otherContent.startAnimation(act.anim_slide_up_fade_in); // Animates the new activity act.pullUp = true; // Changing the pull up status indicator act.pullUpStarted = false; } @Override public void onAnimationCancel(Animator animation) { act.pullUpStarted = false; act.otherContent.setVisibility(View.GONE); } @Override public void onAnimationRepeat(Animator animation) { } }); nextAnimation.start(); } @Override public void onAnimationCancel(Animator animation) { } @Override public void onAnimationRepeat(Animator animation) { } }); animation.start(); } else if (view.getId() == act.openedLayout) { act.pullDown(); // If there is a layout already pulled up we have to pull it down } else if (act.pullUp && (act.openedLayout != 0) && !act.pullUpStarted) { act.pullUpStarted = true; // To prevent more than one highlight // Changing highlight from previous to current button ValueAnimator animation = ValueAnimator.ofFloat(0.17f, 1f); animation.setDuration(act.smallButtonHighlightChangeDuration); animation.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator animation) { float value = (float) animation.getAnimatedValue(); act.findViewById(view.getId()).setAlpha(value); act.findViewById(act.openedLayout).setAlpha(1.17f - value); } }); animation.start(); // Fades out current layout act.otherContent.startAnimation(act.anim_fade_out); act.anim_fade_out.setAnimationListener(new Animation.AnimationListener() { @Override public void onAnimationStart(Animation animation) { } @Override public void onAnimationEnd(Animation animation) { act.otherContentHandler(view); // Switches the layout to the new one act.otherContent.startAnimation(act.anim_slide_up_fade_in); // Fades in the new layout act.pullUpStarted = false; } @Override public void onAnimationRepeat(Animation animation) { } }); } }
From source file:com.dish.browser.activity.BrowserActivity.java
private void changeToolbarBackground(Bitmap favicon) { Palette.from(favicon).generate(new Palette.PaletteAsyncListener() { @Override//w ww .ja v a 2 s .c o m public void onGenerated(Palette palette) { // OR with opaque black to remove transparency glitches int color = 0xff000000 | palette.getVibrantColor(mActivity.getResources().getColor(R.color.primary_color)); int finalColor; // Lighten up the dark color if it is // too dark if (isColorTooDark(color)) { finalColor = mixTwoColors(mActivity.getResources().getColor(R.color.primary_color), color, 0.25f); } else { finalColor = color; } ValueAnimator anim = ValueAnimator.ofObject(new ArgbEvaluator(), mBackground.getColor(), finalColor); anim.addUpdateListener(new AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator animation) { int color = (Integer) animation.getAnimatedValue(); mBackground.setColor(color); getWindow().setBackgroundDrawable(mBackground); mToolbarLayout.setBackgroundColor(color); } }); anim.setDuration(300); anim.start(); } }); }
From source file:com.brandon.mailbox.RecyclerSwipeListener.java
@TargetApi(Build.VERSION_CODES.HONEYCOMB) private void performDismiss(final View dismissView, final int dismissPosition) { // Animate the dismissed list item to zero-height and fire the dismiss callback when // all dismissed list item animations have completed. This triggers layout on each animation // frame; in the future we may want to do something smarter and more performant. final ViewGroup.LayoutParams lp = dismissView.getLayoutParams(); final int originalLayoutParamsHeight = lp.height; final int originalHeight = dismissView.getHeight(); ValueAnimator animator = ValueAnimator.ofInt(originalHeight, 1).setDuration(mAnimationTime); animator.addListener(new AnimatorListenerAdapter() { @Override//ww w . ja v a 2 s .c o m public void onAnimationEnd(Animator animation) { --mDismissAnimationRefCount; if (mDismissAnimationRefCount == 0) { // No active animations, process all pending dismisses. // Sort by descending position Collections.sort(mPendingDismisses); int[] dismissPositions = new int[mPendingDismisses.size()]; for (int i = mPendingDismisses.size() - 1; i >= 0; i--) { dismissPositions[i] = mPendingDismisses.get(i).position; } if (mFinalDelta < 0) { mSwipeListener.onDismissedBySwipeLeft(mRecyclerView, dismissPositions); } else { mSwipeListener.onDismissedBySwipeRight(mRecyclerView, dismissPositions); } // Reset mDownPosition to avoid MotionEvent.ACTION_UP trying to start a dismiss // animation with a stale position mDownPosition = ListView.INVALID_POSITION; ViewGroup.LayoutParams lp; for (PendingDismissData pendingDismiss : mPendingDismisses) { // Reset view presentation pendingDismiss.view.setAlpha(mAlpha); pendingDismiss.view.setTranslationX(0); lp = pendingDismiss.view.getLayoutParams(); lp.height = originalLayoutParamsHeight; pendingDismiss.view.setLayoutParams(lp); } // Send a cancel event long time = SystemClock.uptimeMillis(); MotionEvent cancelEvent = MotionEvent.obtain(time, time, MotionEvent.ACTION_CANCEL, 0, 0, 0); mRecyclerView.dispatchTouchEvent(cancelEvent); mPendingDismisses.clear(); mAnimatingPosition = ListView.INVALID_POSITION; } } }); animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator valueAnimator) { lp.height = (Integer) valueAnimator.getAnimatedValue(); dismissView.setLayoutParams(lp); } }); mPendingDismisses.add(new PendingDismissData(dismissPosition, dismissView)); animator.start(); }
From source file:cw.kop.autobackground.sources.SourceListFragment.java
@Override public void onClick(final View v) { switch (v.getId()) { case R.id.set_button: setWallpaper();//from w w w.j a v a 2s. c o m break; case R.id.floating_button_icon: final GradientDrawable circleDrawable = (GradientDrawable) getResources() .getDrawable(R.drawable.floating_button_circle); final float scale = (float) ((Math.hypot(addButtonBackground.getX(), addButtonBackground.getY()) + addButtonBackground.getWidth()) / addButtonBackground.getWidth() * 2); Animation animation = new Animation() { private boolean needsFragment = true; private float pivot; @Override public void initialize(int width, int height, int parentWidth, int parentHeight) { super.initialize(width, height, parentWidth, parentHeight); pivot = resolveSize(RELATIVE_TO_SELF, 0.5f, width, parentWidth); } @Override protected void applyTransformation(float interpolatedTime, Transformation t) { if (needsFragment && interpolatedTime >= 1) { needsFragment = false; showSourceAddFragment(); } else { float scaleFactor = 1.0f + ((scale - 1.0f) * interpolatedTime); t.getMatrix().setScale(scaleFactor, scaleFactor, pivot, pivot); } } @Override public boolean willChangeBounds() { return true; } }; animation.setAnimationListener(new Animation.AnimationListener() { @Override public void onAnimationStart(Animation animation) { circleDrawable.setColor(getResources().getColor(R.color.ACCENT_OPAQUE)); addButtonBackground.setImageDrawable(circleDrawable); } @Override public void onAnimationEnd(Animation animation) { handler.postDelayed(new Runnable() { @Override public void run() { if (needsButtonReset) { addButton.setOnClickListener(SourceListFragment.this); addButtonBackground.setScaleX(1.0f); addButtonBackground.setScaleY(1.0f); addButtonBackground.clearAnimation(); circleDrawable.setColor(getResources().getColor(R.color.ACCENT_OPAQUE)); addButtonBackground.setImageDrawable(circleDrawable); addButton.setVisibility(View.VISIBLE); } } }, 100); } @Override public void onAnimationRepeat(Animation animation) { } }); ValueAnimator buttonColorAnimation = ValueAnimator.ofObject(new ArgbEvaluator(), getResources().getColor(R.color.ACCENT_OPAQUE), getResources().getColor(AppSettings.getBackgroundColorResource())); buttonColorAnimation.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator animation) { circleDrawable.setColor((Integer) animation.getAnimatedValue()); addButtonBackground.setImageDrawable(circleDrawable); } }); DecelerateInterpolator decelerateInterpolator = new DecelerateInterpolator(); animation.setDuration(ADD_ANIMATION_TIME); buttonColorAnimation.setDuration((long) (ADD_ANIMATION_TIME * 0.9)); buttonColorAnimation.setInterpolator(decelerateInterpolator); animation.setInterpolator(decelerateInterpolator); // Post a delayed Runnable to ensure reset even if animation is interrupted handler.postDelayed(new Runnable() { @Override public void run() { if (needsButtonReset) { addButtonBackground.setScaleX(1.0f); addButtonBackground.setScaleY(1.0f); addButtonBackground.clearAnimation(); circleDrawable.setColor(getResources().getColor(R.color.ACCENT_OPAQUE)); addButtonBackground.setImageDrawable(circleDrawable); addButton.setVisibility(View.VISIBLE); needsButtonReset = false; } } }, (long) (ADD_ANIMATION_TIME * 1.1f)); needsButtonReset = true; addButton.setVisibility(View.GONE); buttonColorAnimation.start(); addButtonBackground.startAnimation(animation); break; default: } }
From source file:com.rbware.github.androidcouchpotato.widget.AbstractMediaItemPresenter.java
/** * Each media item row can have multiple focusable elements; the details on the left and a set * of optional custom actions on the right. * The selector is a highlight that moves to highlight to cover whichever views is in focus. * * @param selectorView the selector view used to highlight an individual element within a row. * @param focusChangedView The component within the media row whose focus got changed. * @param layoutAnimator the ValueAnimator producing animation frames for the selector's width * and x-translation, generated by this method and stored for the each * {@link ViewHolder}. * @param isDetails Whether the changed-focused view is for a media item details (true) or * an action (false).//from w ww.ja v a 2 s.c o m */ static ValueAnimator updateSelector(final View selectorView, View focusChangedView, ValueAnimator layoutAnimator, boolean isDetails) { int animationDuration = focusChangedView.getContext().getResources() .getInteger(android.R.integer.config_shortAnimTime); DecelerateInterpolator interpolator = new DecelerateInterpolator(); int layoutDirection = ViewCompat.getLayoutDirection(selectorView); if (!focusChangedView.hasFocus()) { // if neither of the details or action views are in focus (ie. another row is in focus), // animate the selector out. selectorView.animate().cancel(); selectorView.animate().alpha(0f).setDuration(animationDuration).setInterpolator(interpolator).start(); // keep existing layout animator return layoutAnimator; } else { // cancel existing layout animator if (layoutAnimator != null) { layoutAnimator.cancel(); layoutAnimator = null; } float currentAlpha = selectorView.getAlpha(); selectorView.animate().alpha(1f).setDuration(animationDuration).setInterpolator(interpolator).start(); final ViewGroup.MarginLayoutParams lp = (ViewGroup.MarginLayoutParams) selectorView.getLayoutParams(); ViewGroup rootView = (ViewGroup) selectorView.getParent(); sTempRect.set(0, 0, focusChangedView.getWidth(), focusChangedView.getHeight()); rootView.offsetDescendantRectToMyCoords(focusChangedView, sTempRect); if (isDetails) { if (layoutDirection == View.LAYOUT_DIRECTION_RTL) { sTempRect.right += rootView.getHeight(); sTempRect.left -= rootView.getHeight() / 2; } else { sTempRect.left -= rootView.getHeight(); sTempRect.right += rootView.getHeight() / 2; } } final int targetLeft = sTempRect.left; final int targetWidth = sTempRect.width(); final float deltaWidth = lp.width - targetWidth; final float deltaLeft = lp.leftMargin - targetLeft; if (deltaLeft == 0f && deltaWidth == 0f) { // no change needed } else if (currentAlpha == 0f) { // change selector to the proper width and marginLeft without animation. lp.width = targetWidth; lp.leftMargin = targetLeft; selectorView.requestLayout(); } else { // animate the selector to the proper width and marginLeft. layoutAnimator = ValueAnimator.ofFloat(0f, 1f); layoutAnimator.setDuration(animationDuration); layoutAnimator.setInterpolator(interpolator); layoutAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator valueAnimator) { // Set width to the proper width for this animation step. float fractionToEnd = 1f - valueAnimator.getAnimatedFraction(); lp.leftMargin = Math.round(targetLeft + deltaLeft * fractionToEnd); lp.width = Math.round(targetWidth + deltaWidth * fractionToEnd); selectorView.requestLayout(); } }); layoutAnimator.start(); } return layoutAnimator; } }
From source file:br.com.halph.agendafeliz.util.SwipeableRecyclerViewTouchListener.java
@TargetApi(Build.VERSION_CODES.HONEYCOMB) private void performDismiss(final View dismissView, final int dismissPosition) { // Animate the dismissed list item to zero-height and fire the dismiss callback when // all dismissed list item animations have completed. This triggers layout on each animation // frame; in the future we may want to do something smarter and more performant. final ViewGroup.LayoutParams lp = dismissView.getLayoutParams(); final int originalLayoutParamsHeight = lp.height; final int originalHeight = dismissView.getHeight(); ValueAnimator animator = ValueAnimator.ofInt(originalHeight, 1).setDuration(mAnimationTime); animator.addListener(new AnimatorListenerAdapter() { @Override/*from w ww . java 2s . c o m*/ public void onAnimationEnd(Animator animation) { --mDismissAnimationRefCount; if (mDismissAnimationRefCount == 0) { // No active animations, process all pending dismisses. // Sort by descending position Collections.sort(mPendingDismisses); int[] dismissPositions = new int[mPendingDismisses.size()]; for (int i = mPendingDismisses.size() - 1; i >= 0; i--) { dismissPositions[i] = mPendingDismisses.get(i).position; } if (mFinalDelta < 0) { mSwipeListener.onDismissedBySwipeLeft(mRecyclerView, dismissPositions); } else { mSwipeListener.onDismissedBySwipeRight(mRecyclerView, dismissPositions); } // Reset mDownPosition to avoid MotionEvent.ACTION_UP trying to start a dismiss // animation with a stale position mDownPosition = ListView.INVALID_POSITION; ViewGroup.LayoutParams lp; for (PendingDismissData pendingDismiss : mPendingDismisses) { // Reset view presentation pendingDismiss.view.setAlpha(mAlpha); pendingDismiss.view.setTranslationX(0); lp = pendingDismiss.view.getLayoutParams(); lp.height = originalLayoutParamsHeight; pendingDismiss.view.setLayoutParams(lp); } // Send a cancel event long time = SystemClock.uptimeMillis(); MotionEvent cancelEvent = MotionEvent.obtain(time, time, MotionEvent.ACTION_CANCEL, 0, 0, 0); mRecyclerView.dispatchTouchEvent(cancelEvent); mPendingDismisses.clear(); mAnimatingPosition = ListView.INVALID_POSITION; } } }); animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator valueAnimator) { lp.height = (Integer) valueAnimator.getAnimatedValue(); dismissView.setLayoutParams(lp); } }); mPendingDismisses.add(new PendingDismissData(dismissPosition, dismissView)); animator.start(); }
From source file:org.secuso.privacyfriendlypasswordgenerator.helpers.SwipeableRecyclerViewTouchListener.java
@TargetApi(Build.VERSION_CODES.HONEYCOMB) private void performDismiss(final View dismissView, final int dismissPosition) { // Animate the dismissed list item to zero-height and fire the dismiss callback when // all dismissed list item animations have completed. This triggers layout on each animation // frame; in the future we may want to do something smarter and more performant. final ViewGroup.LayoutParams lp = dismissView.getLayoutParams(); final int originalLayoutParamsHeight = lp.height; final int originalHeight = dismissView.getHeight(); ValueAnimator animator = ValueAnimator.ofInt(originalHeight, 1).setDuration(mAnimationTime); animator.addListener(new AnimatorListenerAdapter() { @Override/*w ww . j a v a2 s .c o m*/ public void onAnimationEnd(Animator animation) { --mDismissAnimationRefCount; if (mDismissAnimationRefCount == 0) { // No active animations, process all pending dismisses. // Sort by descending position Collections.sort(mPendingDismisses); int[] dismissPositions = new int[mPendingDismisses.size()]; for (int i = mPendingDismisses.size() - 1; i >= 0; i--) { dismissPositions[i] = mPendingDismisses.get(i).position; } if (mFinalDelta < 0) { mSwipeListener.onDismissedBySwipeLeft(mRecyclerView, dismissPositions); // } else { // mSwipeListener.onDismissedBySwipeRight(mRecyclerView, dismissPositions); } // Reset mDownPosition to avoid MotionEvent.ACTION_UP trying to start a dismiss // animation with a stale position mDownPosition = ListView.INVALID_POSITION; ViewGroup.LayoutParams lp; for (PendingDismissData pendingDismiss : mPendingDismisses) { // Reset view presentation pendingDismiss.view.setAlpha(mAlpha); pendingDismiss.view.setTranslationX(0); lp = pendingDismiss.view.getLayoutParams(); lp.height = originalLayoutParamsHeight; pendingDismiss.view.setLayoutParams(lp); } // Send a cancel event long time = SystemClock.uptimeMillis(); MotionEvent cancelEvent = MotionEvent.obtain(time, time, MotionEvent.ACTION_CANCEL, 0, 0, 0); mRecyclerView.dispatchTouchEvent(cancelEvent); mPendingDismisses.clear(); mAnimatingPosition = ListView.INVALID_POSITION; } } }); animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator valueAnimator) { lp.height = (Integer) valueAnimator.getAnimatedValue(); dismissView.setLayoutParams(lp); } }); mPendingDismisses.add(new PendingDismissData(dismissPosition, dismissView)); animator.start(); }
From source file:com.itude.mobile.mobbl.blueprint.app.view.listeners.SwipeDismissRecyclerViewTouchListener.java
private void performDismiss(final View dismissView, final int dismissPosition) { // Animate the dismissed list item to zero-height and fire the dismiss callback when // all dismissed list item animations have completed. This triggers layout on each animation // frame; in the future we may want to do something smarter and more performant. final ViewGroup.LayoutParams lp = dismissView.getLayoutParams(); final int originalHeight; if (mIsVertical) originalHeight = dismissView.getWidth(); else/* ww w . j av a2 s. c o m*/ originalHeight = dismissView.getHeight(); ValueAnimator animator = ValueAnimator.ofInt(originalHeight, 1).setDuration(mAnimationTime); animator.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { --mDismissAnimationRefCount; if (mDismissAnimationRefCount == 0) { // No active animations, process all pending dismisses. // Sort by descending position Collections.sort(mPendingDismisses); int[] dismissPositions = new int[mPendingDismisses.size()]; for (int i = mPendingDismisses.size() - 1; i >= 0; i--) { dismissPositions[i] = mPendingDismisses.get(i).position; } mCallbacks.onDismiss(dismissView, dismissPosition); // Reset mDownPosition to avoid MotionEvent.ACTION_UP trying to start a dismiss // animation with a stale position mDownPosition = ListView.INVALID_POSITION; ViewGroup.LayoutParams lp; for (PendingDismissData pendingDismiss : mPendingDismisses) { // Reset view presentation pendingDismiss.view.setAlpha(1f); if (mIsVertical) pendingDismiss.view.setTranslationY(0); else pendingDismiss.view.setTranslationX(0); lp = pendingDismiss.view.getLayoutParams(); if (mIsVertical) lp.width = originalHeight; else lp.height = originalHeight; pendingDismiss.view.setLayoutParams(lp); } // Send a cancel event long time = SystemClock.uptimeMillis(); MotionEvent cancelEvent = MotionEvent.obtain(time, time, MotionEvent.ACTION_CANCEL, 0, 0, 0); mRecyclerView.dispatchTouchEvent(cancelEvent); mPendingDismisses.clear(); } } }); animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator valueAnimator) { if (mIsVertical) lp.width = (Integer) valueAnimator.getAnimatedValue(); else lp.height = (Integer) valueAnimator.getAnimatedValue(); dismissView.setLayoutParams(lp); } }); mPendingDismisses.add(new PendingDismissData(dismissPosition, dismissView)); animator.start(); }
From source file:cc.flydev.launcher.Page.java
public void onFlingToDelete(PointF vel) { final long startTime = AnimationUtils.currentAnimationTimeMillis(); // NOTE: Because it takes time for the first frame of animation to actually be // called and we expect the animation to be a continuation of the fling, we have // to account for the time that has elapsed since the fling finished. And since // we don't have a startDelay, we will always get call to update when we call // start() (which we want to ignore). final TimeInterpolator tInterpolator = new TimeInterpolator() { private int mCount = -1; private long mStartTime; private float mOffset; /* Anonymous inner class ctor */ { mStartTime = startTime;/*from w w w . j ava 2 s.com*/ } @Override public float getInterpolation(float t) { if (mCount < 0) { mCount++; } else if (mCount == 0) { mOffset = Math.min(0.5f, (float) (AnimationUtils.currentAnimationTimeMillis() - mStartTime) / FLING_TO_DELETE_FADE_OUT_DURATION); mCount++; } return Math.min(1f, mOffset + t); } }; final Rect from = new Rect(); final View dragView = mDragView; from.left = (int) dragView.getTranslationX(); from.top = (int) dragView.getTranslationY(); AnimatorUpdateListener updateCb = new FlingAlongVectorAnimatorUpdateListener(dragView, vel, from, startTime, FLING_TO_DELETE_FRICTION); final Runnable onAnimationEndRunnable = createPostDeleteAnimationRunnable(dragView); // Create and start the animation ValueAnimator mDropAnim = new ValueAnimator(); mDropAnim.setInterpolator(tInterpolator); mDropAnim.setDuration(FLING_TO_DELETE_FADE_OUT_DURATION); mDropAnim.setFloatValues(0f, 1f); mDropAnim.addUpdateListener(updateCb); mDropAnim.addListener(new AnimatorListenerAdapter() { public void onAnimationEnd(Animator animation) { onAnimationEndRunnable.run(); } }); mDropAnim.start(); mDeferringForDelete = true; }