Merge "Use DecelerateInterpolator for vertical and horizontal movements" into main

    public static final PathInterpolator DIM_INTERPOLATOR =

            new PathInterpolator(.23f, .87f, .52f, -0.11f);

    public static final Interpolator DECELERATE = new PathInterpolator(0f, 0f, 0.5f, 1f);

    // Create the default emphasized interpolator

    private static PathInterpolator createEmphasizedInterpolator() {

        Path path = new Path();

    private final PointF mInitialTouchPos = new PointF();

    private final Interpolator mPostAnimationInterpolator = Interpolators.EMPHASIZED;

    private final Interpolator mYMovementInterpolator = Interpolators.DECELERATE;

    private final Interpolator mProgressInterpolator = new DecelerateInterpolator();

    private final Matrix mTransformMatrix = new Matrix();

        float yDirection = rawYDelta < 0 ? -1 : 1;

        // limit yDelta interpretation to 1/2 of screen height in either direction

        float deltaYRatio = Math.min(height / 2f, Math.abs(rawYDelta)) / (height / 2f);

        float interpolatedYRatio = mYMovementInterpolator.getInterpolation(deltaYRatio);

        float interpolatedYRatio = mProgressInterpolator.getInterpolation(deltaYRatio);

        // limit y-shift so surface never passes 8dp screen margin

        float deltaY = yDirection * interpolatedYRatio * Math.max(0f,

                (height - scaledHeight) / 2f - mVerticalMargin);