Java Code Examples for androidx.recyclerview.widget.OrientationHelper#getEndAfterPadding()

The following examples show how to use androidx.recyclerview.widget.OrientationHelper#getEndAfterPadding() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: GalleryLayoutManager.java    From CardSlideView with Apache License 2.0 6 votes vote down vote up 
/**
 * 水平填充布局测量
 *
 * @param recycler RecyclerView.Recycler
 * @param offset   水平偏移量
 */
private void fillWithHorizontal(RecyclerView.Recycler recycler, int offset) {
    final OrientationHelper orientationHelper = getOrientationHelper();
    final int leftEdge = orientationHelper.getStartAfterPadding();
    final int rightEdge = orientationHelper.getEndAfterPadding();
    if (getChildCount() > 0) {
        if (offset >= 0) {
            removeAndRecyclerWithLeft(recycler, leftEdge + offset);
        } else {
            removeAndRecyclerWithRight(recycler, rightEdge + offset);
        }

    }
    if (offset >= 0) {
        // 右滑
        fillRight(recycler, rightEdge + offset);
    } else {
        // 左滑
        fillLeft(recycler, leftEdge + offset);
    }
}
Example 2
Source File: GalleryLayoutManager.java    From CardSlideView with Apache License 2.0 6 votes vote down vote up 
/**
 * 垂直填充布局测量
 *
 * @param recycler RecyclerView.Recycler
 * @param offset   垂直偏移量
 */
private void fillWithVertical(RecyclerView.Recycler recycler, int offset) {
    final OrientationHelper orientationHelper = getOrientationHelper();
    final int topEdge = orientationHelper.getStartAfterPadding();
    final int bottomEdge = orientationHelper.getEndAfterPadding();
    if (getChildCount() > 0) {
        if (offset >= 0) {
            // 下滑
            removeAndRecyclerWithTop(recycler, topEdge + offset);
        } else {
            // 上滑
            removeAndRecyclerWithBottom(recycler, bottomEdge + offset);
        }

    }
    if (offset >= 0) {
        fillBottom(recycler, bottomEdge + offset);
    } else {
        fillTop(recycler, topEdge + offset);
    }
}
Example 3
Source File: GravitySnapHelper.java    From GravitySnapHelper with Apache License 2.0 6 votes vote down vote up 
private int getDistanceToEnd(View targetView, @NonNull OrientationHelper helper) {
    int distance;

    if (!snapToPadding) {
        int childEnd = helper.getDecoratedEnd(targetView);
        if (childEnd >= helper.getEnd() - (helper.getEnd() - helper.getEndAfterPadding()) / 2) {
            distance = helper.getDecoratedEnd(targetView) - helper.getEnd();
        } else {
            distance = childEnd - helper.getEndAfterPadding();
        }
    } else {
        distance = helper.getDecoratedEnd(targetView) - helper.getEndAfterPadding();
    }

    return distance;
}
Example 4
Source File: RecyclerViewPositionHelper.java    From mollyim-android with GNU General Public License v3.0 5 votes vote down vote up 
View findOneVisibleChild(int fromIndex, int toIndex, boolean completelyVisible,
                         boolean acceptPartiallyVisible) {
  OrientationHelper helper;
  if (layoutManager.canScrollVertically()) {
    helper = OrientationHelper.createVerticalHelper(layoutManager);
  } else {
    helper = OrientationHelper.createHorizontalHelper(layoutManager);
  }

  final int start = helper.getStartAfterPadding();
  final int end = helper.getEndAfterPadding();
  final int next = toIndex > fromIndex ? 1 : -1;
  View partiallyVisible = null;
  for (int i = fromIndex; i != toIndex; i += next) {
    final View child = layoutManager.getChildAt(i);
    final int childStart = helper.getDecoratedStart(child);
    final int childEnd = helper.getDecoratedEnd(child);
    if (childStart < end && childEnd > start) {
      if (completelyVisible) {
        if (childStart >= start && childEnd <= end) {
          return child;
        } else if (acceptPartiallyVisible && partiallyVisible == null) {
          partiallyVisible = child;
        }
      } else {
        return child;
      }
    }
  }
  return partiallyVisible;
}
Example 5
Source File: GravityDelegate.java    From GetApk with MIT License 5 votes vote down vote up 
private int distanceToEnd(View targetView, OrientationHelper helper, boolean fromStart) {
    if (isRtlHorizontal && !fromStart) {
        return distanceToStart(targetView, helper, true);
    }

    return helper.getDecoratedEnd(targetView) - helper.getEndAfterPadding();
}
Example 6
Source File: GalleryLayoutManager.java    From CardSlideView with Apache License 2.0 5 votes vote down vote up 
/**
 * @param child  计算的view
 * @param offset view的滑动偏移量
 * @return 返回view距离中心轴的距离
 */
private int calculateDistanceToCenter(View child, float offset) {
    final OrientationHelper orientationHelper = getOrientationHelper();
    final int centerToStart = (orientationHelper.getEndAfterPadding() - orientationHelper.getStartAfterPadding()) / 2 + orientationHelper.getStartAfterPadding();
    if (mOrientation == LinearLayout.HORIZONTAL) {
        return (int) (child.getWidth() / 2 - offset + child.getLeft() - centerToStart);
    } else {
        return (int) (child.getHeight() / 2 - offset + child.getTop() - centerToStart);
    }
}
Example 7
Source File: GalleryLayoutManager.java    From CardSlideView with Apache License 2.0 5 votes vote down vote up 
@Override
public int scrollHorizontallyBy(int dx, RecyclerView.Recycler recycler, RecyclerView.State state) {
    if (mOrientation == LinearLayout.VERTICAL) {
        return 0;
    }
    if (getChildCount() == 0 || dx == 0) {
        return 0;
    }
    int offset = -dx;
    final OrientationHelper orientationHelper = getOrientationHelper();
    final int centerToStart = (orientationHelper.getEndAfterPadding() - orientationHelper.getStartAfterPadding()) / 2 + orientationHelper.getStartAfterPadding();
    View child;
    if (dx > 0) {
        child = getChildAt(getChildCount() - 1);
        if (child != null && getPosition(child) == getItemCount() - 1 && !isLooper) {
            // 计算全部加载完后item的偏移量，右边会留出空隙
            offset = -Math.max(0, Math.min(dx, (child.getRight() - child.getLeft()) / 2 + child.getLeft() - centerToStart));
        }
    } else {
        child = getChildAt(0);
        if (mFirstVisiblePosition == 0 && child != null && !isLooper) {
            // 计算首次加载item的偏移量，左边会留出空隙
            offset = -Math.min(0, Math.max(dx, ((child.getRight() - child.getLeft()) / 2 + child.getLeft()) - centerToStart));
        }
    }
    // 记录偏移量
    getState().scrollOffset = -offset;
    fill(recycler, -offset);
    offsetChildrenHorizontal(offset);
    return -offset;
}
Example 8
Source File: RecyclerViewPositionHelper.java    From aptoide-client-v8 with GNU General Public License v3.0 5 votes vote down vote up 
View findOneVisibleChild(int fromIndex, int toIndex, boolean completelyVisible,
    boolean acceptPartiallyVisible) {
  OrientationHelper helper;
  if (layoutManager.canScrollVertically()) {
    helper = OrientationHelper.createVerticalHelper(layoutManager);
  } else {
    helper = OrientationHelper.createHorizontalHelper(layoutManager);
  }

  final int start = helper.getStartAfterPadding();
  final int end = helper.getEndAfterPadding();
  final int next = toIndex > fromIndex ? 1 : -1;
  View partiallyVisible = null;
  for (int i = fromIndex; i != toIndex; i += next) {
    final View child = layoutManager.getChildAt(i);
    final int childStart = helper.getDecoratedStart(child);
    final int childEnd = helper.getDecoratedEnd(child);
    if (childStart < end && childEnd > start) {
      if (completelyVisible) {
        if (childStart >= start && childEnd <= end) {
          return child;
        } else if (acceptPartiallyVisible && partiallyVisible == null) {
          partiallyVisible = child;
        }
      } else {
        return child;
      }
    }
  }
  return partiallyVisible;
}
Example 9
Source File: RecyclerViewPositionHelper.java    From UltimateRecyclerView with Apache License 2.0 5 votes vote down vote up 
private View findOneVisibleChild(int fromIndex, int toIndex, boolean completelyVisible,
                                 boolean acceptPartiallyVisible) {
    OrientationHelper helper;
    if (layoutManager.canScrollVertically()) {
        helper = OrientationHelper.createVerticalHelper(layoutManager);
    } else {
        helper = OrientationHelper.createHorizontalHelper(layoutManager);
    }

    final int start = helper.getStartAfterPadding();
    final int end = helper.getEndAfterPadding();
    final int next = toIndex > fromIndex ? 1 : -1;
    View partiallyVisible = null;
    for (int i = fromIndex; i != toIndex; i += next) {
        final View child = layoutManager.getChildAt(i);
        final int childStart = helper.getDecoratedStart(child);
        final int childEnd = helper.getDecoratedEnd(child);
        if (childStart < end && childEnd > start) {
            if (completelyVisible) {
                if (childStart >= start && childEnd <= end) {
                    return child;
                } else if (acceptPartiallyVisible && partiallyVisible == null) {
                    partiallyVisible = child;
                }
            } else {
                return child;
            }
        }
    }
    return partiallyVisible;
}
Example 10
Source File: RecyclerViewPositionHelper.java    From Applozic-Android-SDK with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
View findOneVisibleChild(int fromIndex, int toIndex, boolean completelyVisible,
                         boolean acceptPartiallyVisible) {
    OrientationHelper helper;
    if (linearLayoutManager.canScrollVertically()) {
        helper = OrientationHelper.createVerticalHelper(linearLayoutManager);
    } else {
        helper = OrientationHelper.createHorizontalHelper(linearLayoutManager);
    }

    final int start = helper.getStartAfterPadding();
    final int end = helper.getEndAfterPadding();
    final int next = toIndex > fromIndex ? 1 : -1;
    View partiallyVisible = null;
    for (int i = fromIndex; i != toIndex; i += next) {
        final View child = linearLayoutManager.getChildAt(i);
        final int childStart = helper.getDecoratedStart(child);
        final int childEnd = helper.getDecoratedEnd(child);
        if (childStart < end && childEnd > start) {
            if (completelyVisible) {
                if (childStart >= start && childEnd <= end) {
                    return child;
                } else if (acceptPartiallyVisible && partiallyVisible == null) {
                    partiallyVisible = child;
                }
            } else {
                return child;
            }
        }
    }
    return partiallyVisible;
}
Example 11
Source File: GravitySnapHelper.java    From MaterialDateTimePicker with Apache License 2.0 5 votes vote down vote up 
private int distanceToEnd(View targetView, OrientationHelper helper, boolean fromStart) {
    if (isRtlHorizontal && !fromStart) {
        return distanceToStart(targetView, helper, true);
    }

    return helper.getDecoratedEnd(targetView) - helper.getEndAfterPadding();
}