Java Code Examples for android.support.design.widget.FloatingActionButton#getY()

@OnClick({R.id.first, R.id.third})
public void revealSides(FloatingActionButton dot) {
  if (finished) {
    finished = false;
    lastDot = dot;
    float deltaX = topPanel.getWidth() / 2 - dot.getX() - dot.getWidth() / 2;
    float deltaY = topPanel.getHeight() / 2 - dot.getY() - dot.getHeight() / 2;
    deltaY -= topPanel.getHeight() / 2 + getResources().getDimension(R.dimen.morph_radius) / 4;
    Path arcPath = createArcPath(dot, deltaX, deltaY, -deltaX);
    ValueAnimator pathAnimator = ValueAnimator.ofFloat(0, 1);
    pathAnimator.addUpdateListener(new ArcListener(arcPath, dot));
    int dotColor = dot.getBackgroundTintList().getDefaultColor();
    topPanel.setBackgroundColor(dotColor);
    if (dotColor == color) {
      backgroundReveal().start();
    }
    pathAnimator.addListener(new AnimatorListenerAdapter() {
      @Override
      public void onAnimationEnd(Animator animation) {
        super.onAnimationEnd(animation);
        Animator animator = createRevealAnimator(dot, 0);
        finish(animator);
        animator.start();
        runCloseAnimation();
      }
    });
    AnimatorSet animatorSet = morphParent(duration(R.integer.reveal_duration));
    animatorSet.play(pathAnimator);
    addScaleAnimation(duration(R.integer.short_delay), duration(R.integer.fade_duration), animatorSet);
    animatorSet.start();
  }
}
 

private Animator createRevealAnimator(FloatingActionButton dot, float offsetY) {
  ViewCompat.setElevation(dot, 0);
  dot.setVisibility(View.INVISIBLE);
  lastDot = dot;
  int cx = (int) (dot.getX() + dot.getHeight() / 2);
  int cy = (int) (dot.getY() + dot.getHeight() / 2 + offsetY);
  int w = topPanel.getWidth();
  int h = topPanel.getHeight();
  final int endRadius = !isFolded ? (int) Math.hypot(w, h) : dot.getHeight() / 2;
  final int startRadius = isFolded ? (int) Math.hypot(w, h) : dot.getHeight() / 2;
  topPanel.setVisibility(View.VISIBLE);
  Animator animator = ViewAnimationUtils.createCircularReveal(topPanel, cx, cy, startRadius, endRadius);
  animator.setDuration(duration(R.integer.reveal_duration));
  return animator;
}
 

@Override
public boolean onDependentViewChanged(CoordinatorLayout parent, FloatingActionButton child, View dependency) {
    /**
     * Because we are not moving it, we always return false in this method.
     */

    if (offset == 0)
        setOffsetValue(parent);

    if (mBottomSheetBehaviorRef == null)
        getBottomSheetBehavior(parent);

    int DyFix = getDyBetweenChildAndDependency(child, dependency);

    if ((child.getY() + DyFix) < offset)
        child.hide();
    else if ((child.getY() + DyFix) >= offset) {

        /**
         * We are calculating every time point in Y where BottomSheet get {@link BottomSheetBehaviorGoogleMapsLike#STATE_COLLAPSED}.
         * If PeekHeight change dynamically we can reflect the behavior asap.
         */
        if (mBottomSheetBehaviorRef == null || mBottomSheetBehaviorRef.get() == null)
            getBottomSheetBehavior(parent);
        int collapsedY = dependency.getHeight() - mBottomSheetBehaviorRef.get().getPeekHeight();

        if ((child.getY() + DyFix) > collapsedY)
            child.hide();
        else
            child.show();
    }

    return false;
}
 

/**
 * In some <bold>WEIRD</bold> cases, mostly when you perform a little scroll but a fast one
 * the {@link #onDependentViewChanged(CoordinatorLayout, FloatingActionButton, View)} DOESN'T
 * reflect the real Y position of child mean the dependency get a better APROXIMATION of the real
 * Y. This was causing that FAB some times doesn't get unhidden.
 * @param child the FAB
 * @param dependency NestedScrollView instance
 * @return Dy betweens those 2 elements in Y, minus child's height/2
 */
private int getDyBetweenChildAndDependency(@NonNull FloatingActionButton child, @NonNull View dependency) {
    if (dependency.getY() == 0 || dependency.getY() < offset)
        return 0;

    if ( (dependency.getY() - child.getY()) > child.getHeight() )
        return Math.max(0, (int) ((dependency.getY() - (child.getHeight()/2)) - child.getY()) );
    else
        return 0;
}
 

@Override
public boolean onDependentViewChanged(CoordinatorLayout parent, FloatingActionButton child, View dependency) {
    /**
     * Because we are not moving it, we always return false in this method.
     */

    if (offset == 0)
        setOffsetValue(parent);

    if (mBottomSheetBehaviorRef == null)
        getBottomSheetBehavior(parent);

    int DyFix = getDyBetweenChildAndDependency(child, dependency);

    if ((child.getY() + DyFix) < offset)
        child.hide();
    else if ((child.getY() + DyFix) >= offset) {

        /**
         * We are calculating every time point in Y where BottomSheet get {@link BottomSheetBehaviorGoogleMapsLike#STATE_COLLAPSED}.
         * If PeekHeight change dynamically we can reflect the behavior asap.
         */
        if (mBottomSheetBehaviorRef == null || mBottomSheetBehaviorRef.get() == null)
            getBottomSheetBehavior(parent);
        int collapsedY = dependency.getHeight() - mBottomSheetBehaviorRef.get().getPeekHeight();

        if ((child.getY() + DyFix) > collapsedY)
            child.hide();
        else
            child.show();
    }

    return false;
}
 

/**
 * In some <bold>WEIRD</bold> cases, mostly when you perform a little scroll but a fast one
 * the {@link #onDependentViewChanged(CoordinatorLayout, FloatingActionButton, View)} DOESN'T
 * reflect the real Y position of child mean the dependency get a better APROXIMATION of the real
 * Y. This was causing that FAB some times doesn't get unhidden.
 * @param child the FAB
 * @param dependency NestedScrollView instance
 * @return Dy betweens those 2 elements in Y, minus child's height/2
 */
private int getDyBetweenChildAndDependency(@NonNull FloatingActionButton child, @NonNull View dependency) {
    if (dependency.getY() == 0 || dependency.getY() < offset)
        return 0;

    if ( (dependency.getY() - child.getY()) > child.getHeight() )
        return Math.max(0, (int) ((dependency.getY() - (child.getHeight()/2)) - child.getY()) );
    else
        return 0;
}