Java Code Examples for android.support.v4.view.ViewCompat#getY()

@TargetApi(Build.VERSION_CODES.HONEYCOMB)
protected void workOnTarget(@Nullable View descriptionLayout) {
    if (descriptionLayout == null) return;
    float layoutY = ViewCompat.getY(descriptionLayout);
    descriptionLayout.setVisibility(View.VISIBLE);
    ValueAnimator animator = ObjectAnimator.ofFloat(
            descriptionLayout,
            "y",
            (float) (layoutY + descriptionLayout.getHeight()),
            layoutY)
            .setDuration(500);

    if (animation_behavior != null) {
        animator.setInterpolator(animation_behavior);
    }
    animator.start();
}
 

/**
 * Detect if the dragView actual position is above the
 * limit determined with the @param dragLimit.
 *
 * @return Use a dimension and compare with the dragged
 * axis position.
 */
boolean isDragViewAboveTheLimit() {
  int parentSize;
  float viewAxisPosition;
  switch (dragPosition) {
    case LEFT:
      parentSize = dragView.getWidth();
      viewAxisPosition = -ViewCompat.getX(dragView) + (parentSize * dragLimit);
      break;
    case RIGHT:
      parentSize = dragView.getWidth();
      viewAxisPosition = ViewCompat.getX(dragView) + (parentSize * dragLimit);
      break;
    case TOP:
    default:
      parentSize = dragView.getHeight();
      viewAxisPosition = ViewCompat.getY(dragView) + (parentSize * dragLimit);
      break;
    case BOTTOM:
      parentSize = dragView.getHeight();
      viewAxisPosition = -ViewCompat.getY(dragView) + (parentSize * dragLimit);
      break;
  }
  return parentSize < viewAxisPosition;
}
 

public static float getY(final @NonNull View v) {
    if (Build.VERSION.SDK_INT >= 11) {
        return ViewCompat.getY(v);
    } else {
        return ((ViewGroup.MarginLayoutParams) v.getLayoutParams()).topMargin;
    }
}
 

public static float getY(final @NonNull View v) {
  if (VERSION.SDK_INT >= 11) {
    return ViewCompat.getY(v);
  } else {
    return ((ViewGroup.MarginLayoutParams)v.getLayoutParams()).topMargin;
  }
}
 

private int getChildY(RecyclerView parent, View child) {
  if (VERSION.SDK_INT < 11) {
    Rect rect = new Rect();
    parent.getChildVisibleRect(child, rect, null);
    return rect.top;
  } else {
    return (int)ViewCompat.getY(child);
  }
}
 

/**
 * move the toolbarlayout (containing toolbar & tabs)
 * following the current scroll
 */
private void followScrollToolbarLayout(float yOffset) {
    if (mHeader.toolbar.getBottom() == 0) {
        return;
    }

    if (toolbarJoinsTabs()) {
        if (firstScrollValue == Float.MIN_VALUE) {
            firstScrollValue = yOffset;
        }

        float translationY = firstScrollValue - yOffset;

        if (translationY > 0) {
            translationY = 0;
        }

        log("translationY " + translationY);

        ViewCompat.setTranslationY(mHeader.toolbarLayout, translationY);
    } else {
        ViewCompat.setTranslationY(mHeader.toolbarLayout, 0);
        justToolbarAnimated = false;
    }

    followScrollToolbarIsVisible = (ViewCompat.getY(mHeader.toolbarLayout) >= 0);
}
 

FabInfo(FloatingActionButton fab) {
  int[] location = new int[2];
  fab.getLocationInWindow(location);

  width = fab.getMeasuredWidth();
  height = fab.getMeasuredHeight();
  topLeft = new Pointer(location[0], location[1]);
  center = new Pointer(topLeft.x + width / 2, topLeft.y + height / 2);
  bottomRight = new Pointer(topLeft.x + width, topLeft.y + height);
  relativeTopLeft = new Pointer(ViewCompat.getX(fab), ViewCompat.getY(fab));
  relativeCenter = new Pointer(relativeTopLeft.x + width / 2, relativeTopLeft.y + height / 2);
  relativeBottomRight = new Pointer(relativeTopLeft.x + width, relativeTopLeft.y + height);
  radius = Math.min(width / 2, MdCompat.dpToPx(FAB_SIZE));
}
 

@Override
public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
    if (firstVisibleItem == 0) {
        final View firstView = view.getChildAt(0);
        if (firstView != null) {
            translationY = ViewCompat.getY(firstView) - (paddingTop / 2) - headerView.getHeight();
            ViewCompat.setTranslationY(headerView, translationY);
        }
    }
}
 

@Override
public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
    if (firstVisibleItem + visibleItemCount >= totalItemCount) {
        final View lastView = view.getChildAt(view.getChildCount() - 1);
        if (lastView != null) {
            translationY = footerView.getHeight() - (view.getHeight() - (ViewCompat.getY(lastView) + lastView.getHeight())) + (paddingBottom / 2);
            ViewCompat.setTranslationY(footerView, translationY);
        }
    } else {
        translationY = footerView.getHeight();
        ViewCompat.setTranslationY(footerView, translationY);
    }
}
 

public static float centerY(View view) {
    return ViewCompat.getY(view) + view.getHeight() / 2f;
}
 

private float centerY(View view) {
    return ViewCompat.getY(view) + view.getHeight() / 2f;
}
 

public static float centerY(View view) {
  return ViewCompat.getY(view) + view.getMeasuredHeight() / 2;
}