Examples with Interpolator android.view.animation.Interpolator used on opensource projects

Example 71 with Interpolator

use of android.view.animation.Interpolator in project android_frameworks_base by crdroidandroid.

the class NotificationStackScrollLayout method startTopAnimation.

private void startTopAnimation() {
    int previousEndValue = mEndAnimationRect.top;
    int newEndValue = mBackgroundBounds.top;
    ObjectAnimator previousAnimator = mTopAnimator;
    if (previousAnimator != null && previousEndValue == newEndValue) {
        return;
    }
    if (!mAnimateNextBackgroundTop) {
        // 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
            int previousStartValue = mStartAnimationRect.top;
            PropertyValuesHolder[] values = previousAnimator.getValues();
            values[0].setIntValues(previousStartValue, newEndValue);
            mStartAnimationRect.top = previousStartValue;
            mEndAnimationRect.top = newEndValue;
            previousAnimator.setCurrentPlayTime(previousAnimator.getCurrentPlayTime());
            return;
        } else {
            // no new animation needed, let's just apply the value
            setBackgroundTop(newEndValue);
            return;
        }
    }
    if (previousAnimator != null) {
        previousAnimator.cancel();
    }
    ObjectAnimator animator = ObjectAnimator.ofInt(this, "backgroundTop", mCurrentBounds.top, 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.top = -1;
            mEndAnimationRect.top = -1;
            mTopAnimator = null;
        }
    });
    animator.start();
    mStartAnimationRect.top = mCurrentBounds.top;
    mEndAnimationRect.top = newEndValue;
    mTopAnimator = animator;
}

Example 72 with Interpolator

use of android.view.animation.Interpolator in project android_frameworks_base by crdroidandroid.

the class GlobalScreenshot method createScreenshotDropInAnimation.

private ValueAnimator createScreenshotDropInAnimation() {
    final float flashPeakDurationPct = ((float) (SCREENSHOT_FLASH_TO_PEAK_DURATION) / SCREENSHOT_DROP_IN_DURATION);
    final float flashDurationPct = 2f * flashPeakDurationPct;
    final Interpolator flashAlphaInterpolator = new Interpolator() {

        @Override
        public float getInterpolation(float x) {
            // Flash the flash view in and out quickly
            if (x <= flashDurationPct) {
                return (float) Math.sin(Math.PI * (x / flashDurationPct));
            }
            return 0;
        }
    };
    final Interpolator scaleInterpolator = new Interpolator() {

        @Override
        public float getInterpolation(float x) {
            // We start scaling when the flash is at it's peak
            if (x < flashPeakDurationPct) {
                return 0;
            }
            return (x - flashDurationPct) / (1f - flashDurationPct);
        }
    };
    ValueAnimator anim = ValueAnimator.ofFloat(0f, 1f);
    anim.setDuration(SCREENSHOT_DROP_IN_DURATION);
    anim.addListener(new AnimatorListenerAdapter() {

        @Override
        public void onAnimationStart(Animator animation) {
            mBackgroundView.setAlpha(0f);
            mBackgroundView.setVisibility(View.VISIBLE);
            mScreenshotView.setAlpha(0f);
            mScreenshotView.setTranslationX(0f);
            mScreenshotView.setTranslationY(0f);
            mScreenshotView.setScaleX(SCREENSHOT_SCALE + mBgPaddingScale);
            mScreenshotView.setScaleY(SCREENSHOT_SCALE + mBgPaddingScale);
            mScreenshotView.setVisibility(View.VISIBLE);
            mScreenshotFlash.setAlpha(0f);
            mScreenshotFlash.setVisibility(View.VISIBLE);
        }

        @Override
        public void onAnimationEnd(android.animation.Animator animation) {
            mScreenshotFlash.setVisibility(View.GONE);
        }
    });
    anim.addUpdateListener(new AnimatorUpdateListener() {

        @Override
        public void onAnimationUpdate(ValueAnimator animation) {
            float t = (Float) animation.getAnimatedValue();
            float scaleT = (SCREENSHOT_SCALE + mBgPaddingScale) - scaleInterpolator.getInterpolation(t) * (SCREENSHOT_SCALE - SCREENSHOT_DROP_IN_MIN_SCALE);
            mBackgroundView.setAlpha(scaleInterpolator.getInterpolation(t) * BACKGROUND_ALPHA);
            mScreenshotView.setAlpha(t);
            mScreenshotView.setScaleX(scaleT);
            mScreenshotView.setScaleY(scaleT);
            mScreenshotFlash.setAlpha(flashAlphaInterpolator.getInterpolation(t));
        }
    });
    return anim;
}

Example 73 with Interpolator

use of android.view.animation.Interpolator in project android_frameworks_base by crdroidandroid.

the class GlobalScreenshot method createScreenshotDropOutAnimation.

private ValueAnimator createScreenshotDropOutAnimation(int w, int h, boolean statusBarVisible, boolean navBarVisible) {
    ValueAnimator anim = ValueAnimator.ofFloat(0f, 1f);
    anim.setStartDelay(SCREENSHOT_DROP_OUT_DELAY);
    anim.addListener(new AnimatorListenerAdapter() {

        @Override
        public void onAnimationEnd(Animator animation) {
            mBackgroundView.setVisibility(View.GONE);
            mScreenshotView.setVisibility(View.GONE);
            mScreenshotView.setLayerType(View.LAYER_TYPE_NONE, null);
        }
    });
    if (!statusBarVisible || !navBarVisible) {
        // There is no status bar/nav bar, so just fade the screenshot away in place
        anim.setDuration(SCREENSHOT_FAST_DROP_OUT_DURATION);
        anim.addUpdateListener(new AnimatorUpdateListener() {

            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                float t = (Float) animation.getAnimatedValue();
                float scaleT = (SCREENSHOT_DROP_IN_MIN_SCALE + mBgPaddingScale) - t * (SCREENSHOT_DROP_IN_MIN_SCALE - SCREENSHOT_FAST_DROP_OUT_MIN_SCALE);
                mBackgroundView.setAlpha((1f - t) * BACKGROUND_ALPHA);
                mScreenshotView.setAlpha(1f - t);
                mScreenshotView.setScaleX(scaleT);
                mScreenshotView.setScaleY(scaleT);
            }
        });
    } else {
        // In the case where there is a status bar, animate to the origin of the bar (top-left)
        final float scaleDurationPct = (float) SCREENSHOT_DROP_OUT_SCALE_DURATION / SCREENSHOT_DROP_OUT_DURATION;
        final Interpolator scaleInterpolator = new Interpolator() {

            @Override
            public float getInterpolation(float x) {
                if (x < scaleDurationPct) {
                    // Decelerate, and scale the input accordingly
                    return (float) (1f - Math.pow(1f - (x / scaleDurationPct), 2f));
                }
                return 1f;
            }
        };
        // Determine the bounds of how to scale
        float halfScreenWidth = (w - 2f * mBgPadding) / 2f;
        float halfScreenHeight = (h - 2f * mBgPadding) / 2f;
        final float offsetPct = SCREENSHOT_DROP_OUT_MIN_SCALE_OFFSET;
        final PointF finalPos = new PointF(-halfScreenWidth + (SCREENSHOT_DROP_OUT_MIN_SCALE + offsetPct) * halfScreenWidth, -halfScreenHeight + (SCREENSHOT_DROP_OUT_MIN_SCALE + offsetPct) * halfScreenHeight);
        // Animate the screenshot to the status bar
        anim.setDuration(SCREENSHOT_DROP_OUT_DURATION);
        anim.addUpdateListener(new AnimatorUpdateListener() {

            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                float t = (Float) animation.getAnimatedValue();
                float scaleT = (SCREENSHOT_DROP_IN_MIN_SCALE + mBgPaddingScale) - scaleInterpolator.getInterpolation(t) * (SCREENSHOT_DROP_IN_MIN_SCALE - SCREENSHOT_DROP_OUT_MIN_SCALE);
                mBackgroundView.setAlpha((1f - t) * BACKGROUND_ALPHA);
                mScreenshotView.setAlpha(1f - scaleInterpolator.getInterpolation(t));
                mScreenshotView.setScaleX(scaleT);
                mScreenshotView.setScaleY(scaleT);
                mScreenshotView.setTranslationX(t * finalPos.x);
                mScreenshotView.setTranslationY(t * finalPos.y);
            }
        });
    }
    return anim;
}

Example 74 with Interpolator

use of android.view.animation.Interpolator in project android_frameworks_base by crdroidandroid.

the class ActivatableNotificationView method startActivateAnimation.

private void startActivateAnimation(final boolean reverse) {
    if (!isAttachedToWindow()) {
        return;
    }
    int widthHalf = mBackgroundNormal.getWidth() / 2;
    int heightHalf = mBackgroundNormal.getActualHeight() / 2;
    float radius = (float) Math.sqrt(widthHalf * widthHalf + heightHalf * heightHalf);
    Animator animator;
    if (reverse) {
        animator = ViewAnimationUtils.createCircularReveal(mBackgroundNormal, widthHalf, heightHalf, radius, 0);
    } else {
        animator = ViewAnimationUtils.createCircularReveal(mBackgroundNormal, widthHalf, heightHalf, 0, radius);
    }
    mBackgroundNormal.setVisibility(View.VISIBLE);
    Interpolator interpolator;
    Interpolator alphaInterpolator;
    if (!reverse) {
        interpolator = Interpolators.LINEAR_OUT_SLOW_IN;
        alphaInterpolator = Interpolators.LINEAR_OUT_SLOW_IN;
    } else {
        interpolator = ACTIVATE_INVERSE_INTERPOLATOR;
        alphaInterpolator = ACTIVATE_INVERSE_ALPHA_INTERPOLATOR;
    }
    animator.setInterpolator(interpolator);
    animator.setDuration(ACTIVATE_ANIMATION_LENGTH);
    if (reverse) {
        mBackgroundNormal.setAlpha(1f);
        animator.addListener(new AnimatorListenerAdapter() {

            @Override
            public void onAnimationEnd(Animator animation) {
                updateBackground();
            }
        });
        animator.start();
    } else {
        mBackgroundNormal.setAlpha(0.4f);
        animator.start();
    }
    mBackgroundNormal.animate().alpha(reverse ? 0f : 1f).setInterpolator(alphaInterpolator).setUpdateListener(new ValueAnimator.AnimatorUpdateListener() {

        @Override
        public void onAnimationUpdate(ValueAnimator animation) {
            float animatedFraction = animation.getAnimatedFraction();
            if (reverse) {
                animatedFraction = 1.0f - animatedFraction;
            }
            setNormalBackgroundVisibilityAmount(animatedFraction);
        }
    }).setDuration(ACTIVATE_ANIMATION_LENGTH);
}

Example 75 with Interpolator

use of android.view.animation.Interpolator in project android_frameworks_base by crdroidandroid.

the class PhoneStatusBar method loadAnim.

private Animation loadAnim(boolean outAnim, Animation.AnimationListener listener) {
    AlphaAnimation animation = new AlphaAnimation((outAnim ? 1.0f : 0.0f), (outAnim ? 0.0f : 1.0f));
    Interpolator interpolator = AnimationUtils.loadInterpolator(mContext, (outAnim ? android.R.interpolator.accelerate_quad : android.R.interpolator.decelerate_quad));
    animation.setInterpolator(interpolator);
    animation.setDuration(350);
    if (listener != null) {
        animation.setAnimationListener(listener);
    }
    return animation;
}