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

Example 81 with DecelerateInterpolator

use of android.view.animation.DecelerateInterpolator in project Carbon by ZieIony.

the class AnimUtils method flyIn.

public static ValueAnimator flyIn(final View view, Animator.AnimatorListener listener) {
    if (view.getVisibility() != View.VISIBLE)
        ViewHelper.setAlpha(view, 0);
    float start = ViewHelper.getAlpha(view);
    ValueAnimator animator = ValueAnimator.ofFloat(start, 1);
    animator.setDuration((long) (200 * (1 - start)));
    animator.setInterpolator(new DecelerateInterpolator());
    if (listener != null)
        animator.addListener(listener);
    animator.addUpdateListener(valueAnimator -> {
        ViewHelper.setAlpha(view, (Float) valueAnimator.getAnimatedValue());
        ViewHelper.setTranslationY(view, Math.min(view.getHeight() / 2, view.getResources().getDimension(R.dimen.carbon_1dip) * 50.0f) * (1 - (Float) valueAnimator.getAnimatedValue()));
        if (view.getParent() != null)
            ((View) view.getParent()).postInvalidate();
    });
    animator.start();
    return animator;
}

Example 82 with DecelerateInterpolator

use of android.view.animation.DecelerateInterpolator in project Carbon by ZieIony.

the class AnimUtils method popOut.

public static ValueAnimator popOut(final View view, Animator.AnimatorListener listener) {
    float start = ViewHelper.getAlpha(view);
    ValueAnimator animator = ValueAnimator.ofFloat(start, 0);
    animator.setDuration((long) (200 * start));
    animator.setInterpolator(new DecelerateInterpolator());
    if (listener != null)
        animator.addListener(listener);
    animator.addUpdateListener(valueAnimator -> {
        ViewHelper.setAlpha(view, (Float) valueAnimator.getAnimatedValue());
        ViewHelper.setScaleX(view, (Float) valueAnimator.getAnimatedValue());
        ViewHelper.setScaleY(view, (Float) valueAnimator.getAnimatedValue());
        if (view.getParent() != null)
            ((View) view.getParent()).postInvalidate();
    });
    animator.start();
    return animator;
}

Example 83 with DecelerateInterpolator

use of android.view.animation.DecelerateInterpolator in project Carbon by ZieIony.

the class AnimUtils method progressWidthIn.

public static ValueAnimator progressWidthIn(final ProgressBar circularProgress, Animator.AnimatorListener listener) {
    final float arcWidth = circularProgress.getBarPadding() + circularProgress.getBarWidth();
    float start = circularProgress.getBarWidth();
    ValueAnimator animator = ValueAnimator.ofFloat(circularProgress.getBarWidth(), arcWidth);
    animator.setDuration((long) (100 * (arcWidth - start)));
    animator.setInterpolator(new DecelerateInterpolator());
    if (listener != null)
        animator.addListener(listener);
    animator.addUpdateListener(valueAnimator -> {
        float value = (Float) valueAnimator.getAnimatedValue();
        circularProgress.setBarWidth(value);
        circularProgress.setBarPadding(arcWidth - value);
    });
    animator.start();
    return animator;
}

Example 84 with DecelerateInterpolator

use of android.view.animation.DecelerateInterpolator in project ImageryHeader by YukiMatsumura.

the class ImageryHeaderFragment method onScrollChanged.

@Override
public void onScrollChanged(int deltaX, int deltaY) {
    final Activity activity = getActivity();
    if (activity == null || activity.isFinishing()) {
        return;
    }
    // Reposition the header bar -- it's normally anchored to the top of the content,
    // but locks to the top of the screen on scroll
    int scrollY = scrollView.getScrollY();
    float newTop = Math.max(headerImageHeightPixels, scrollY + headerBarTopClearance);
    headerBarContainer.setTranslationY(newTop);
    headerBarBackground.setPivotY(headerBarContentsHeightPixels);
    int gapFillDistance = (int) (headerBarTopClearance * GAP_FILL_DISTANCE_MULTIPLIER);
    boolean showGapFill = !showHeaderImage || (scrollY > (headerImageHeightPixels - gapFillDistance));
    float desiredHeaderScaleY = showGapFill ? ((headerBarContentsHeightPixels + gapFillDistance + 1) * 1f / headerBarContentsHeightPixels) : 1f;
    if (!showHeaderImage) {
        headerBarBackground.setScaleY(desiredHeaderScaleY);
    } else if (gapFillShown != showGapFill) {
        headerBarBackground.animate().scaleY(desiredHeaderScaleY).setInterpolator(new DecelerateInterpolator(2f)).setDuration(250).start();
    }
    gapFillShown = showGapFill;
    // Make a shadow. TODO: Do not need if running on AndroidL
    headerBarShadow.setVisibility(View.VISIBLE);
    if (headerBarTopClearance != 0) {
        // Fill the gap between status bar and header bar with color
        float gapFillProgress = Math.min(Math.max(getProgress(scrollY, headerImageHeightPixels - headerBarTopClearance * 2, headerImageHeightPixels - headerBarTopClearance), 0), 1);
        // TODO: Set elevation properties if running on AndroidL
        headerBarShadow.setAlpha(gapFillProgress);
    }
    // Move background image (parallax effect)
    headerImageContainer.setTranslationY(scrollY * HEADER_IMAGE_BACKGROUND_PARALLAX_EFFECT_MULTIPLIER);
}

Example 85 with DecelerateInterpolator

use of android.view.animation.DecelerateInterpolator in project Carbon by ZieIony.

the class BottomBar method deselectItem.

private void deselectItem(final View item) {
    final ImageView icon = (ImageView) item.findViewById(R.id.carbon_bottomIcon);
    icon.setSelected(false);
    final TextView text = (TextView) item.findViewById(R.id.carbon_bottomText);
    text.setSelected(false);
    ValueAnimator animator = ValueAnimator.ofFloat(getResources().getDimension(R.dimen.carbon_bottomBarActiveTextSize) / getResources().getDimension(R.dimen.carbon_bottomBarInactiveTextSize), 1);
    animator.setDuration(200);
    animator.setInterpolator(new DecelerateInterpolator());
    animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {

        @Override
        public void onAnimationUpdate(ValueAnimator animation) {
            text.setScaleX((Float) animation.getAnimatedValue());
            text.setScaleY((Float) animation.getAnimatedValue());
            text.postInvalidate();
        }
    });
    animator.start();
    ValueAnimator animator2 = ValueAnimator.ofFloat(-getResources().getDimension(R.dimen.carbon_1dip) * 2, 0);
    animator2.setDuration(200);
    animator2.setInterpolator(new DecelerateInterpolator());
    animator2.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {

        @Override
        public void onAnimationUpdate(ValueAnimator animation) {
            icon.setTranslationY((Float) animation.getAnimatedValue());
            icon.postInvalidate();
        }
    });
    animator2.start();
}