Examples with ViewOverlay android.view.ViewOverlay used on opensource projects

Example 6 with ViewOverlay

use of android.view.ViewOverlay in project Transitions-Everywhere by andkulikov.

the class Crossfade method createAnimator.

@Nullable
@Override
public Animator createAnimator(@NonNull ViewGroup sceneRoot, @Nullable TransitionValues startValues, @Nullable TransitionValues endValues) {
    if (startValues == null || endValues == null || Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR2) {
        return null;
    }
    if (sRectEvaluator == null) {
        sRectEvaluator = new RectEvaluator();
    }
    final boolean useParentOverlay = mFadeBehavior != FADE_BEHAVIOR_REVEAL;
    final View view = endValues.view;
    Map<String, Object> startVals = startValues.values;
    Map<String, Object> endVals = endValues.values;
    Rect startBounds = (Rect) startVals.get(PROPNAME_BOUNDS);
    Rect endBounds = (Rect) endVals.get(PROPNAME_BOUNDS);
    if (startBounds == null || endBounds == null) {
        return null;
    }
    Bitmap startBitmap = (Bitmap) startVals.get(PROPNAME_BITMAP);
    Bitmap endBitmap = (Bitmap) endVals.get(PROPNAME_BITMAP);
    final BitmapDrawable startDrawable = (BitmapDrawable) startVals.get(PROPNAME_DRAWABLE);
    final BitmapDrawable endDrawable = (BitmapDrawable) endVals.get(PROPNAME_DRAWABLE);
    if (startDrawable != null && endDrawable != null && !startBitmap.sameAs(endBitmap)) {
        ViewOverlay overlay = useParentOverlay ? ((ViewGroup) view.getParent()).getOverlay() : view.getOverlay();
        if (mFadeBehavior == FADE_BEHAVIOR_REVEAL) {
            overlay.add(endDrawable);
        }
        overlay.add(startDrawable);
        // The transition works by placing the end drawable under the start drawable and
        // gradually fading out the start drawable. So it's not really a cross-fade, but rather
        // a reveal of the end scene over time. Also, animate the bounds of both drawables
        // to mimic the change in the size of the view itself between scenes.
        ObjectAnimator anim;
        if (mFadeBehavior == FADE_BEHAVIOR_OUT_IN) {
            // Fade out completely halfway through the transition
            anim = ObjectAnimator.ofInt(startDrawable, "alpha", 255, 0, 0);
        } else {
            anim = ObjectAnimator.ofInt(startDrawable, "alpha", 0);
        }
        anim.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {

            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                // TODO: some way to auto-invalidate views based on drawable changes? callbacks?
                view.invalidate(startDrawable.getBounds());
            }
        });
        ObjectAnimator anim1 = null;
        if (mFadeBehavior == FADE_BEHAVIOR_OUT_IN) {
            // start fading in halfway through the transition
            anim1 = ObjectAnimator.ofFloat(view, View.ALPHA, 0, 0, 1);
        } else if (mFadeBehavior == FADE_BEHAVIOR_CROSSFADE) {
            anim1 = ObjectAnimator.ofFloat(view, View.ALPHA, 0, 1);
        }
        anim.addListener(new AnimatorListenerAdapter() {

            @Override
            public void onAnimationEnd(Animator animation) {
                ViewOverlay overlay = useParentOverlay ? ((ViewGroup) view.getParent()).getOverlay() : view.getOverlay();
                overlay.remove(startDrawable);
                if (mFadeBehavior == FADE_BEHAVIOR_REVEAL) {
                    overlay.remove(endDrawable);
                }
            }
        });
        AnimatorSet set = new AnimatorSet();
        set.playTogether(anim);
        if (anim1 != null) {
            set.playTogether(anim1);
        }
        if (mResizeBehavior == RESIZE_BEHAVIOR_SCALE && !startBounds.equals(endBounds)) {
            Animator anim2 = ObjectAnimator.ofObject(startDrawable, "bounds", sRectEvaluator, startBounds, endBounds);
            set.playTogether(anim2);
            if (mResizeBehavior == RESIZE_BEHAVIOR_SCALE) {
                // TODO: How to handle resizing with a CROSSFADE (vs. REVEAL) effect
                // when we are animating the view directly?
                Animator anim3 = ObjectAnimator.ofObject(endDrawable, "bounds", sRectEvaluator, startBounds, endBounds);
                set.playTogether(anim3);
            }
        }
        return set;
    } else {
        return null;
    }
}

Example 7 with ViewOverlay

use of android.view.ViewOverlay in project platform_frameworks_base by android.

the class Crossfade method createAnimator.

@Override
public Animator createAnimator(ViewGroup sceneRoot, TransitionValues startValues, TransitionValues endValues) {
    if (startValues == null || endValues == null) {
        return null;
    }
    final boolean useParentOverlay = mFadeBehavior != FADE_BEHAVIOR_REVEAL;
    final View view = endValues.view;
    Map<String, Object> startVals = startValues.values;
    Map<String, Object> endVals = endValues.values;
    Rect startBounds = (Rect) startVals.get(PROPNAME_BOUNDS);
    Rect endBounds = (Rect) endVals.get(PROPNAME_BOUNDS);
    Bitmap startBitmap = (Bitmap) startVals.get(PROPNAME_BITMAP);
    Bitmap endBitmap = (Bitmap) endVals.get(PROPNAME_BITMAP);
    final BitmapDrawable startDrawable = (BitmapDrawable) startVals.get(PROPNAME_DRAWABLE);
    final BitmapDrawable endDrawable = (BitmapDrawable) endVals.get(PROPNAME_DRAWABLE);
    if (Transition.DBG) {
        Log.d(LOG_TAG, "StartBitmap.sameAs(endBitmap) = " + startBitmap.sameAs(endBitmap) + " for start, end: " + startBitmap + ", " + endBitmap);
    }
    if (startDrawable != null && endDrawable != null && !startBitmap.sameAs(endBitmap)) {
        ViewOverlay overlay = useParentOverlay ? ((ViewGroup) view.getParent()).getOverlay() : view.getOverlay();
        if (mFadeBehavior == FADE_BEHAVIOR_REVEAL) {
            overlay.add(endDrawable);
        }
        overlay.add(startDrawable);
        // The transition works by placing the end drawable under the start drawable and
        // gradually fading out the start drawable. So it's not really a cross-fade, but rather
        // a reveal of the end scene over time. Also, animate the bounds of both drawables
        // to mimic the change in the size of the view itself between scenes.
        ObjectAnimator anim;
        if (mFadeBehavior == FADE_BEHAVIOR_OUT_IN) {
            // Fade out completely halfway through the transition
            anim = ObjectAnimator.ofInt(startDrawable, "alpha", 255, 0, 0);
        } else {
            anim = ObjectAnimator.ofInt(startDrawable, "alpha", 0);
        }
        anim.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {

            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                // TODO: some way to auto-invalidate views based on drawable changes? callbacks?
                view.invalidate(startDrawable.getBounds());
            }
        });
        ObjectAnimator anim1 = null;
        if (mFadeBehavior == FADE_BEHAVIOR_OUT_IN) {
            // start fading in halfway through the transition
            anim1 = ObjectAnimator.ofFloat(view, View.ALPHA, 0, 0, 1);
        } else if (mFadeBehavior == FADE_BEHAVIOR_CROSSFADE) {
            anim1 = ObjectAnimator.ofFloat(view, View.ALPHA, 0, 1);
        }
        if (Transition.DBG) {
            Log.d(LOG_TAG, "Crossfade: created anim " + anim + " for start, end values " + startValues + ", " + endValues);
        }
        anim.addListener(new AnimatorListenerAdapter() {

            @Override
            public void onAnimationEnd(Animator animation) {
                ViewOverlay overlay = useParentOverlay ? ((ViewGroup) view.getParent()).getOverlay() : view.getOverlay();
                overlay.remove(startDrawable);
                if (mFadeBehavior == FADE_BEHAVIOR_REVEAL) {
                    overlay.remove(endDrawable);
                }
            }
        });
        AnimatorSet set = new AnimatorSet();
        set.playTogether(anim);
        if (anim1 != null) {
            set.playTogether(anim1);
        }
        if (mResizeBehavior == RESIZE_BEHAVIOR_SCALE && !startBounds.equals(endBounds)) {
            if (Transition.DBG) {
                Log.d(LOG_TAG, "animating from startBounds to endBounds: " + startBounds + ", " + endBounds);
            }
            Animator anim2 = ObjectAnimator.ofObject(startDrawable, "bounds", sRectEvaluator, startBounds, endBounds);
            set.playTogether(anim2);
            if (mResizeBehavior == RESIZE_BEHAVIOR_SCALE) {
                // TODO: How to handle resizing with a CROSSFADE (vs. REVEAL) effect
                // when we are animating the view directly?
                Animator anim3 = ObjectAnimator.ofObject(endDrawable, "bounds", sRectEvaluator, startBounds, endBounds);
                set.playTogether(anim3);
            }
        }
        return set;
    } else {
        return null;
    }
}