Examples with PropertyValuesHolder android.animation.PropertyValuesHolder used on opensource projects

Example 81 with PropertyValuesHolder

use of android.animation.PropertyValuesHolder in project android_frameworks_base by AOSPA.

the class ScrimController method updateScrim.

private void updateScrim(boolean animate, View scrim, float alpha, float currentAlpha) {
    if (mKeyguardFadingOutInProgress) {
        return;
    }
    ValueAnimator previousAnimator = StackStateAnimator.getChildTag(scrim, TAG_KEY_ANIM);
    float animEndValue = -1;
    if (previousAnimator != null) {
        if (animate || alpha == currentAlpha) {
            previousAnimator.cancel();
        } else {
            animEndValue = StackStateAnimator.getChildTag(scrim, TAG_END_ALPHA);
        }
    }
    if (alpha != currentAlpha && alpha != animEndValue) {
        if (animate) {
            startScrimAnimation(scrim, alpha);
            scrim.setTag(TAG_START_ALPHA, currentAlpha);
            scrim.setTag(TAG_END_ALPHA, alpha);
        } else {
            if (previousAnimator != null) {
                float previousStartValue = StackStateAnimator.getChildTag(scrim, TAG_START_ALPHA);
                float previousEndValue = StackStateAnimator.getChildTag(scrim, TAG_END_ALPHA);
                // we need to increase all animation keyframes of the previous animator by the
                // relative change to the end value
                PropertyValuesHolder[] values = previousAnimator.getValues();
                float relativeDiff = alpha - previousEndValue;
                float newStartValue = previousStartValue + relativeDiff;
                newStartValue = Math.max(0, Math.min(1.0f, newStartValue));
                values[0].setFloatValues(newStartValue, alpha);
                scrim.setTag(TAG_START_ALPHA, newStartValue);
                scrim.setTag(TAG_END_ALPHA, alpha);
                previousAnimator.setCurrentPlayTime(previousAnimator.getCurrentPlayTime());
            } else {
                // update the alpha directly
                setCurrentScrimAlpha(scrim, alpha);
                updateScrimColor(scrim);
            }
        }
    }
}

Example 82 with PropertyValuesHolder

use of android.animation.PropertyValuesHolder in project android_frameworks_base by AOSPA.

the class FastScroller method animateBounds.

/**
     * Returns an animator for the view's bounds.
     */
private static Animator animateBounds(View v, Rect bounds) {
    final PropertyValuesHolder left = PropertyValuesHolder.ofInt(LEFT, bounds.left);
    final PropertyValuesHolder top = PropertyValuesHolder.ofInt(TOP, bounds.top);
    final PropertyValuesHolder right = PropertyValuesHolder.ofInt(RIGHT, bounds.right);
    final PropertyValuesHolder bottom = PropertyValuesHolder.ofInt(BOTTOM, bounds.bottom);
    return ObjectAnimator.ofPropertyValuesHolder(v, left, top, right, bottom);
}

Example 83 with PropertyValuesHolder

use of android.animation.PropertyValuesHolder in project android_frameworks_base by AOSPA.

the class StackView method transformViewAtIndex.

private void transformViewAtIndex(int index, final View view, boolean animate) {
    final float maxPerspectiveShiftY = mPerspectiveShiftY;
    final float maxPerspectiveShiftX = mPerspectiveShiftX;
    if (mStackMode == ITEMS_SLIDE_DOWN) {
        index = mMaxNumActiveViews - index - 1;
        if (index == mMaxNumActiveViews - 1)
            index--;
    } else {
        index--;
        if (index < 0)
            index++;
    }
    float r = (index * 1.0f) / (mMaxNumActiveViews - 2);
    final float scale = 1 - PERSPECTIVE_SCALE_FACTOR * (1 - r);
    float perspectiveTranslationY = r * maxPerspectiveShiftY;
    float scaleShiftCorrectionY = (scale - 1) * (getMeasuredHeight() * (1 - PERSPECTIVE_SHIFT_FACTOR_Y) / 2.0f);
    final float transY = perspectiveTranslationY + scaleShiftCorrectionY;
    float perspectiveTranslationX = (1 - r) * maxPerspectiveShiftX;
    float scaleShiftCorrectionX = (1 - scale) * (getMeasuredWidth() * (1 - PERSPECTIVE_SHIFT_FACTOR_X) / 2.0f);
    final float transX = perspectiveTranslationX + scaleShiftCorrectionX;
    // this animation so as not to interfere with the new transformation.
    if (view instanceof StackFrame) {
        ((StackFrame) view).cancelTransformAnimator();
    }
    if (animate) {
        PropertyValuesHolder translationX = PropertyValuesHolder.ofFloat("translationX", transX);
        PropertyValuesHolder translationY = PropertyValuesHolder.ofFloat("translationY", transY);
        PropertyValuesHolder scalePropX = PropertyValuesHolder.ofFloat("scaleX", scale);
        PropertyValuesHolder scalePropY = PropertyValuesHolder.ofFloat("scaleY", scale);
        ObjectAnimator oa = ObjectAnimator.ofPropertyValuesHolder(view, scalePropX, scalePropY, translationY, translationX);
        oa.setDuration(STACK_RELAYOUT_DURATION);
        if (view instanceof StackFrame) {
            ((StackFrame) view).setTransformAnimator(oa);
        }
        oa.start();
    } else {
        view.setTranslationX(transX);
        view.setTranslationY(transY);
        view.setScaleX(scale);
        view.setScaleY(scale);
    }
}

Example 84 with PropertyValuesHolder

use of android.animation.PropertyValuesHolder in project android_frameworks_base by AOSPA.

the class NotificationStackScrollLayout method startBottomAnimation.

private void startBottomAnimation() {
    int previousStartValue = mStartAnimationRect.bottom;
    int previousEndValue = mEndAnimationRect.bottom;
    int newEndValue = mBackgroundBounds.bottom;
    ObjectAnimator previousAnimator = mBottomAnimator;
    if (previousAnimator != null && previousEndValue == newEndValue) {
        return;
    }
    if (!mAnimateNextBackgroundBottom) {
        // just a local update was performed
        if (previousAnimator != null) {
            // we need to increase all animation keyframes of the previous animator by the
            // relative change to the end value
            PropertyValuesHolder[] values = previousAnimator.getValues();
            values[0].setIntValues(previousStartValue, newEndValue);
            mStartAnimationRect.bottom = previousStartValue;
            mEndAnimationRect.bottom = newEndValue;
            previousAnimator.setCurrentPlayTime(previousAnimator.getCurrentPlayTime());
            return;
        } else {
            // no new animation needed, let's just apply the value
            setBackgroundBottom(newEndValue);
            return;
        }
    }
    if (previousAnimator != null) {
        previousAnimator.cancel();
    }
    ObjectAnimator animator = ObjectAnimator.ofInt(this, "backgroundBottom", mCurrentBounds.bottom, newEndValue);
    Interpolator interpolator = Interpolators.FAST_OUT_SLOW_IN;
    animator.setInterpolator(interpolator);
    animator.setDuration(StackStateAnimator.ANIMATION_DURATION_STANDARD);
    // remove the tag when the animation is finished
    animator.addListener(new AnimatorListenerAdapter() {

        @Override
        public void onAnimationEnd(Animator animation) {
            mStartAnimationRect.bottom = -1;
            mEndAnimationRect.bottom = -1;
            mBottomAnimator = null;
        }
    });
    animator.start();
    mStartAnimationRect.bottom = mCurrentBounds.bottom;
    mEndAnimationRect.bottom = newEndValue;
    mBottomAnimator = animator;
}

Example 85 with PropertyValuesHolder

use of android.animation.PropertyValuesHolder in project android_frameworks_base by DirtyUnicorns.

the class FragmentManagerImpl method modifiesAlpha.

static boolean modifiesAlpha(Animator anim) {
    if (anim == null) {
        return false;
    }
    if (anim instanceof ValueAnimator) {
        ValueAnimator valueAnim = (ValueAnimator) anim;
        PropertyValuesHolder[] values = valueAnim.getValues();
        for (int i = 0; i < values.length; i++) {
            if (("alpha").equals(values[i].getPropertyName())) {
                return true;
            }
        }
    } else if (anim instanceof AnimatorSet) {
        List<Animator> animList = ((AnimatorSet) anim).getChildAnimations();
        for (int i = 0; i < animList.size(); i++) {
            if (modifiesAlpha(animList.get(i))) {
                return true;
            }
        }
    }
    return false;
}