List of usage examples for android.view View getOutlineProvider
public ViewOutlineProvider getOutlineProvider()
From source file:com.bachhuberdesign.deckbuildergwent.util.FabTransform.java
@Override public Animator createAnimator(final ViewGroup sceneRoot, final TransitionValues startValues, final TransitionValues endValues) { if (startValues == null || endValues == null) return null; final Rect startBounds = (Rect) startValues.values.get(PROP_BOUNDS); final Rect endBounds = (Rect) endValues.values.get(PROP_BOUNDS); final boolean fromFab = endBounds.width() > startBounds.width(); final View view = endValues.view; final Rect dialogBounds = fromFab ? endBounds : startBounds; final Interpolator fastOutSlowInInterpolator = AnimUtils.getFastOutSlowInInterpolator(); final long duration = getDuration(); final long halfDuration = duration / 2; final long twoThirdsDuration = duration * 2 / 3; if (!fromFab) { // Force measure / layout the dialog back to it's original bounds view.measure(makeMeasureSpec(startBounds.width(), View.MeasureSpec.EXACTLY), makeMeasureSpec(startBounds.height(), View.MeasureSpec.EXACTLY)); view.layout(startBounds.left, startBounds.top, startBounds.right, startBounds.bottom); }//from w ww.j a v a 2s. co m final int translationX = startBounds.centerX() - endBounds.centerX(); final int translationY = startBounds.centerY() - endBounds.centerY(); if (fromFab) { view.setTranslationX(translationX); view.setTranslationY(translationY); } // Add a color overlay to fake appearance of the FAB final ColorDrawable fabColor = new ColorDrawable(color); fabColor.setBounds(0, 0, dialogBounds.width(), dialogBounds.height()); if (!fromFab) fabColor.setAlpha(0); view.getOverlay().add(fabColor); // Add an icon overlay again to fake the appearance of the FAB final Drawable fabIcon = ContextCompat.getDrawable(sceneRoot.getContext(), icon).mutate(); final int iconLeft = (dialogBounds.width() - fabIcon.getIntrinsicWidth()) / 2; final int iconTop = (dialogBounds.height() - fabIcon.getIntrinsicHeight()) / 2; fabIcon.setBounds(iconLeft, iconTop, iconLeft + fabIcon.getIntrinsicWidth(), iconTop + fabIcon.getIntrinsicHeight()); if (!fromFab) fabIcon.setAlpha(0); view.getOverlay().add(fabIcon); // Since the view that's being transition to always seems to be on the top (z-order), we have // to make a copy of the "from" view and put it in the "to" view's overlay, then fade it out. // There has to be another way to do this, right? Drawable dialogView = null; if (!fromFab) { startValues.view.setDrawingCacheEnabled(true); startValues.view.buildDrawingCache(); Bitmap viewBitmap = startValues.view.getDrawingCache(); dialogView = new BitmapDrawable(view.getResources(), viewBitmap); dialogView.setBounds(0, 0, dialogBounds.width(), dialogBounds.height()); view.getOverlay().add(dialogView); } // Circular clip from/to the FAB size final Animator circularReveal; if (fromFab) { circularReveal = ViewAnimationUtils.createCircularReveal(view, view.getWidth() / 2, view.getHeight() / 2, startBounds.width() / 2, (float) Math.hypot(endBounds.width() / 2, endBounds.height() / 2)); circularReveal.setInterpolator(AnimUtils.getFastOutLinearInInterpolator()); } else { circularReveal = ViewAnimationUtils.createCircularReveal(view, view.getWidth() / 2, view.getHeight() / 2, (float) Math.hypot(startBounds.width() / 2, startBounds.height() / 2), endBounds.width() / 2); circularReveal.setInterpolator(AnimUtils.getLinearOutSlowInInterpolator()); // Persist the end clip i.e. stay at FAB size after the reveal has run circularReveal.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { final ViewOutlineProvider fabOutlineProvider = view.getOutlineProvider(); view.setOutlineProvider(new ViewOutlineProvider() { boolean hasRun = false; @Override public void getOutline(final View view, Outline outline) { final int left = (view.getWidth() - endBounds.width()) / 2; final int top = (view.getHeight() - endBounds.height()) / 2; outline.setOval(left, top, left + endBounds.width(), top + endBounds.height()); if (!hasRun) { hasRun = true; view.setClipToOutline(true); // We have to remove this as soon as it's laid out so we can get the shadow back view.getViewTreeObserver().addOnPreDrawListener(new OnPreDrawListener() { @Override public boolean onPreDraw() { if (view.getWidth() == endBounds.width() && view.getHeight() == endBounds.height()) { view.setOutlineProvider(fabOutlineProvider); view.setClipToOutline(false); view.getViewTreeObserver().removeOnPreDrawListener(this); return true; } return true; } }); } } }); } }); } circularReveal.setDuration(duration); // Translate to end position along an arc final Animator translate = ObjectAnimator.ofFloat(view, View.TRANSLATION_X, View.TRANSLATION_Y, fromFab ? getPathMotion().getPath(translationX, translationY, 0, 0) : getPathMotion().getPath(0, 0, -translationX, -translationY)); translate.setDuration(duration); translate.setInterpolator(fastOutSlowInInterpolator); // Fade contents of non-FAB view in/out List<Animator> fadeContents = null; if (view instanceof ViewGroup) { final ViewGroup vg = ((ViewGroup) view); fadeContents = new ArrayList<>(vg.getChildCount()); for (int i = vg.getChildCount() - 1; i >= 0; i--) { final View child = vg.getChildAt(i); final Animator fade = ObjectAnimator.ofFloat(child, View.ALPHA, fromFab ? 1f : 0f); if (fromFab) { child.setAlpha(0f); } fade.setDuration(twoThirdsDuration); fade.setInterpolator(fastOutSlowInInterpolator); fadeContents.add(fade); } } // Fade in/out the fab color & icon overlays final Animator colorFade = ObjectAnimator.ofInt(fabColor, "alpha", fromFab ? 0 : 255); final Animator iconFade = ObjectAnimator.ofInt(fabIcon, "alpha", fromFab ? 0 : 255); if (!fromFab) { colorFade.setStartDelay(halfDuration); iconFade.setStartDelay(halfDuration); } colorFade.setDuration(halfDuration); iconFade.setDuration(halfDuration); colorFade.setInterpolator(fastOutSlowInInterpolator); iconFade.setInterpolator(fastOutSlowInInterpolator); // Run all animations together final AnimatorSet transition = new AnimatorSet(); transition.playTogether(circularReveal, translate, colorFade, iconFade); transition.playTogether(fadeContents); if (dialogView != null) { final Animator dialogViewFade = ObjectAnimator.ofInt(dialogView, "alpha", 0) .setDuration(twoThirdsDuration); dialogViewFade.setInterpolator(fastOutSlowInInterpolator); transition.playTogether(dialogViewFade); } transition.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { // Clean up view.getOverlay().clear(); if (!fromFab) { view.setTranslationX(0); view.setTranslationY(0); view.setTranslationZ(0); view.measure(makeMeasureSpec(endBounds.width(), View.MeasureSpec.EXACTLY), makeMeasureSpec(endBounds.height(), View.MeasureSpec.EXACTLY)); view.layout(endBounds.left, endBounds.top, endBounds.right, endBounds.bottom); } } }); return new AnimUtils.NoPauseAnimator(transition); }