Java 类android.support.v7.widget.RecyclerView.LayoutParams 实例源码

项目：GitHub 文件：StaggeredGridLayoutHelper.java

private void recycleFromStart(RecyclerView.Recycler recycler, int line, LayoutManagerHelper helper) {
    final OrientationHelper orientationHelper = helper.getMainOrientationHelper();
    boolean changed = true;
    while (helper.getChildCount() > 0 && changed) {
        View child = helper.getChildAt(0);
        if (child != null && orientationHelper.getDecoratedEnd(child) < line) {
            LayoutParams lp = (LayoutParams) child.getLayoutParams();
            int position = lp.getViewPosition();
            Span span = findSpan(position, child, true);
            if (span != null) {
                span.popStart(orientationHelper);
                helper.removeChildView(child);
                recycler.recycleView(child);
            } else {
                changed = false;
            }
        } else {
            return;// done
        }
    }
}

项目：GitHub 文件：StaggeredGridLayoutHelper.java

private void recycleFromEnd(RecyclerView.Recycler recycler, int line, LayoutManagerHelper helper) {
    final OrientationHelper orientationHelper = helper.getMainOrientationHelper();
    final int childCount = helper.getChildCount();
    int i;
    for (i = childCount - 1; i >= 0; i--) {
        View child = helper.getChildAt(i);
        if (child != null && orientationHelper.getDecoratedStart(child) > line) {
            LayoutParams lp = (LayoutParams) child.getLayoutParams();
            int position = lp.getViewPosition();
            Span span = findSpan(position, child, false);
            if (span != null) {
                span.popEnd(orientationHelper);
                helper.removeChildView(child);
                recycler.recycleView(child);
            }
        } else {
            return;// done
        }
    }
}

项目：GitHub 文件：StaggeredGridLayoutHelper.java

private void recycleFromStart(RecyclerView.Recycler recycler, int line, LayoutManagerHelper helper) {
    final OrientationHelperEx orientationHelper = helper.getMainOrientationHelper();
    boolean changed = true;
    while (helper.getChildCount() > 0 && changed) {
        View child = helper.getChildAt(0);
        if (child != null && orientationHelper.getDecoratedEnd(child) < line) {
            LayoutParams lp = (LayoutParams) child.getLayoutParams();
            int position = lp.getViewPosition();
            Span span = findSpan(position, child, true);
            if (span != null) {
                span.popStart(orientationHelper);
                helper.removeChildView(child);
                recycler.recycleView(child);
            } else {
                changed = false;
            }
        } else {
            return;// done
        }
    }
}

项目：GitHub 文件：StaggeredGridLayoutHelper.java

private void recycleFromEnd(RecyclerView.Recycler recycler, int line, LayoutManagerHelper helper) {
    final OrientationHelperEx orientationHelper = helper.getMainOrientationHelper();
    final int childCount = helper.getChildCount();
    int i;
    for (i = childCount - 1; i >= 0; i--) {
        View child = helper.getChildAt(i);
        if (child != null && orientationHelper.getDecoratedStart(child) > line) {
            LayoutParams lp = (LayoutParams) child.getLayoutParams();
            int position = lp.getViewPosition();
            Span span = findSpan(position, child, false);
            if (span != null) {
                span.popEnd(orientationHelper);
                helper.removeChildView(child);
                recycler.recycleView(child);
            }
        } else {
            return;// done
        }
    }
}

项目：vlayout 文件：StaggeredGridLayoutHelper.java

private void recycleFromStart(RecyclerView.Recycler recycler, int line, LayoutManagerHelper helper) {
    final OrientationHelperEx orientationHelper = helper.getMainOrientationHelper();
    boolean changed = true;
    while (helper.getChildCount() > 0 && changed) {
        View child = helper.getChildAt(0);
        if (child != null && orientationHelper.getDecoratedEnd(child) < line) {
            LayoutParams lp = (LayoutParams) child.getLayoutParams();
            int position = lp.getViewPosition();
            Span span = findSpan(position, child, true);
            if (span != null) {
                span.popStart(orientationHelper);
                helper.removeChildView(child);
                recycler.recycleView(child);
            } else {
                changed = false;
            }
        } else {
            return;// done
        }
    }
}

项目：vlayout 文件：StaggeredGridLayoutHelper.java

private void recycleFromEnd(RecyclerView.Recycler recycler, int line, LayoutManagerHelper helper) {
    final OrientationHelperEx orientationHelper = helper.getMainOrientationHelper();
    final int childCount = helper.getChildCount();
    int i;
    for (i = childCount - 1; i >= 0; i--) {
        View child = helper.getChildAt(i);
        if (child != null && orientationHelper.getDecoratedStart(child) > line) {
            LayoutParams lp = (LayoutParams) child.getLayoutParams();
            int position = lp.getViewPosition();
            Span span = findSpan(position, child, false);
            if (span != null) {
                span.popEnd(orientationHelper);
                helper.removeChildView(child);
                recycler.recycleView(child);
            }
        } else {
            return;// done
        }
    }
}

项目：letv 文件：LinearLayoutManager.java

public View nextViewInLimitedList(View ignore) {
    int size = this.mScrapList.size();
    View closest = null;
    int closestDistance = Integer.MAX_VALUE;
    for (int i = 0; i < size; i++) {
        View view = ((ViewHolder) this.mScrapList.get(i)).itemView;
        LayoutParams lp = (LayoutParams) view.getLayoutParams();
        if (!(view == ignore || lp.isItemRemoved())) {
            int distance = (lp.getViewLayoutPosition() - this.mCurrentPosition) * this.mItemDirection;
            if (distance >= 0 && distance < closestDistance) {
                closest = view;
                closestDistance = distance;
                if (distance == 0) {
                    break;
                }
            }
        }
    }
    return closest;
}

项目：boohee_v5.6 文件：LinearLayoutManager.java

public View nextViewInLimitedList(View ignore) {
    int size = this.mScrapList.size();
    View closest = null;
    int closestDistance = ActivityChooserViewAdapter.MAX_ACTIVITY_COUNT_UNLIMITED;
    for (int i = 0; i < size; i++) {
        View view = ((ViewHolder) this.mScrapList.get(i)).itemView;
        LayoutParams lp = (LayoutParams) view.getLayoutParams();
        if (!(view == ignore || lp.isItemRemoved())) {
            int distance = (lp.getViewLayoutPosition() - this.mCurrentPosition) * this.mItemDirection;
            if (distance >= 0 && distance < closestDistance) {
                closest = view;
                closestDistance = distance;
                if (distance == 0) {
                    break;
                }
            }
        }
    }
    return closest;
}

项目：Blockbuster 文件：TwoWayLayoutManager.java

private View makeAndAddView(int position, Direction direction, Recycler recycler) {
    final View child = recycler.getViewForPosition(position);
    final boolean isItemRemoved = ((LayoutParams) child.getLayoutParams()).isItemRemoved();

    if (!isItemRemoved) {
        addView(child, (direction == Direction.END ? -1 : 0));
    }

    setupChild(child, direction);

    if (!isItemRemoved) {
        updateLayoutEdgesFromNewChild(child);
    }

    return child;
}

项目：Blockbuster 文件：BaseLayoutManager.java

@Override
protected void layoutChild(View child, Direction direction) {
    getLaneForChild(mTempLaneInfo, child, direction);

    mLanes.getChildFrame(mChildFrame, getDecoratedMeasuredWidth(child),
            getDecoratedMeasuredHeight(child), mTempLaneInfo, direction);
    final ItemEntry entry = cacheChildFrame(child, mChildFrame);

    layoutDecorated(child, mChildFrame.left, mChildFrame.top, mChildFrame.right,
            mChildFrame.bottom);

    final LayoutParams lp = (LayoutParams) child.getLayoutParams();
    if (!lp.isItemRemoved()) {
        pushChildFrame(entry, mChildFrame, mTempLaneInfo.startLane,
                getLaneSpanForChild(child), direction);
    }
}

项目：BaseProject 文件：BaseQuickAdapter.java

/**
 * @param header
 * @param index
 * @param orientation
 */
public int addHeaderView(View header, int index, int orientation) {
    if (mHeaderLayout == null) {
        mHeaderLayout = new LinearLayout(header.getContext());
        if (orientation == LinearLayout.VERTICAL) {
            mHeaderLayout.setOrientation(LinearLayout.VERTICAL);
            mHeaderLayout.setLayoutParams(new LayoutParams(MATCH_PARENT, WRAP_CONTENT));
        } else {
            mHeaderLayout.setOrientation(LinearLayout.HORIZONTAL);
            mHeaderLayout.setLayoutParams(new LayoutParams(WRAP_CONTENT, MATCH_PARENT));
        }
    }
    final int childCount = mHeaderLayout.getChildCount();
    if (index < 0 || index > childCount) {
        index = childCount;
    }
    mHeaderLayout.addView(header, index);
    if (mHeaderLayout.getChildCount() == 1) {
        int position = getHeaderViewPosition();
        if (position != -1) {
            notifyItemInserted(position);
        }
    }
    return index;
}

项目：BaseProject 文件：BaseQuickAdapter.java

/**
 * Add footer view to mFooterLayout and set footer view position in mFooterLayout.
 * When index = -1 or index >= child count in mFooterLayout,
 * the effect of this method is the same as that of {@link #addFooterView(View)}.
 *
 * @param footer
 * @param index  the position in mFooterLayout of this footer.
 *               When index = -1 or index >= child count in mFooterLayout,
 *               the effect of this method is the same as that of {@link #addFooterView(View)}.
 */
public int addFooterView(View footer, int index, int orientation) {
    if (mFooterLayout == null) {
        mFooterLayout = new LinearLayout(footer.getContext());
        if (orientation == LinearLayout.VERTICAL) {
            mFooterLayout.setOrientation(LinearLayout.VERTICAL);
            mFooterLayout.setLayoutParams(new LayoutParams(MATCH_PARENT, WRAP_CONTENT));
        } else {
            mFooterLayout.setOrientation(LinearLayout.HORIZONTAL);
            mFooterLayout.setLayoutParams(new LayoutParams(WRAP_CONTENT, MATCH_PARENT));
        }
    }
    final int childCount = mFooterLayout.getChildCount();
    if (index < 0 || index > childCount) {
        index = childCount;
    }
    mFooterLayout.addView(footer, index);
    if (mFooterLayout.getChildCount() == 1) {
        int position = getFooterViewPosition();
        if (position != -1) {
            notifyItemInserted(position);
        }
    }
    return index;
}

项目：BaseProject 文件：BaseQuickAdapter.java

public void setEmptyView(View emptyView) {
    boolean insert = false;
    if (mEmptyLayout == null) {
        mEmptyLayout = new FrameLayout(emptyView.getContext());
        final LayoutParams layoutParams = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
        final ViewGroup.LayoutParams lp = emptyView.getLayoutParams();
        if (lp != null) {
            layoutParams.width = lp.width;
            layoutParams.height = lp.height;
        }
        mEmptyLayout.setLayoutParams(layoutParams);
        insert = true;
    }
    mEmptyLayout.removeAllViews();
    mEmptyLayout.addView(emptyView);
    mIsUseEmpty = true;
    if (insert) {
        if (getEmptyViewCount() == 1) {
            int position = 0;
            if (mHeadAndEmptyEnable && getHeaderLayoutCount() != 0) {
                position++;
            }
            notifyItemInserted(position);
        }
    }
}

项目：AndroidBase 文件：BaseQuickAdapter.java

/**
 * @param header
 * @param index
 * @param orientation
 */
public void addHeaderView(View header, int index, int orientation) {
    if (mHeaderLayout == null) {
        if (mCopyHeaderLayout == null) {
            mHeaderLayout = new LinearLayout(header.getContext());
            if (orientation == LinearLayout.VERTICAL) {
                mHeaderLayout.setOrientation(LinearLayout.VERTICAL);
                mHeaderLayout.setLayoutParams(new LayoutParams(MATCH_PARENT, WRAP_CONTENT));
            } else {
                mHeaderLayout.setOrientation(LinearLayout.HORIZONTAL);
                mHeaderLayout.setLayoutParams(new LayoutParams(WRAP_CONTENT, MATCH_PARENT));
            }
            mCopyHeaderLayout = mHeaderLayout;
        } else {
            mHeaderLayout = mCopyHeaderLayout;
        }
    }
    index = index >= mHeaderLayout.getChildCount() ? -1 : index;
    mHeaderLayout.addView(header, index);
    this.notifyDataSetChanged();
}

项目：AndroidBase 文件：BaseQuickAdapter.java

/**
 * Add footer view to mFooterLayout and set footer view position in mFooterLayout.
 * When index = -1 or index >= child count in mFooterLayout,
 * the effect of this method is the same as that of {@link #addFooterView(View)}.
 *
 * @param footer
 * @param index  the position in mFooterLayout of this footer.
 *               When index = -1 or index >= child count in mFooterLayout,
 *               the effect of this method is the same as that of {@link #addFooterView(View)}.
 */
public void addFooterView(View footer, int index) {
    mNextLoadEnable = false;
    if (mFooterLayout == null) {
        if (mCopyFooterLayout == null) {
            mFooterLayout = new LinearLayout(footer.getContext());
            mFooterLayout.setOrientation(LinearLayout.VERTICAL);
            mFooterLayout.setLayoutParams(new LayoutParams(MATCH_PARENT, WRAP_CONTENT));
            mCopyFooterLayout = mFooterLayout;
        } else {
            mFooterLayout = mCopyFooterLayout;
        }
    }
    index = index >= mFooterLayout.getChildCount() ? -1 : index;
    mFooterLayout.addView(footer, index);
    this.notifyItemChanged(getItemCount());
}

项目：Blockbuster 文件：TwoWayLayoutManager.java

private View makeAndAddView(int position, Direction direction, Recycler recycler) {
    final View child = recycler.getViewForPosition(position);
    final boolean isItemRemoved = ((LayoutParams) child.getLayoutParams()).isItemRemoved();

    if (!isItemRemoved) {
        addView(child, (direction == Direction.END ? -1 : 0));
    }

    setupChild(child, direction);

    if (!isItemRemoved) {
        updateLayoutEdgesFromNewChild(child);
    }

    return child;
}

项目：Blockbuster 文件：BaseLayoutManager.java

@Override
protected void layoutChild(View child, Direction direction) {
    getLaneForChild(mTempLaneInfo, child, direction);

    mLanes.getChildFrame(mChildFrame, getDecoratedMeasuredWidth(child),
            getDecoratedMeasuredHeight(child), mTempLaneInfo, direction);
    final ItemEntry entry = cacheChildFrame(child, mChildFrame);

    layoutDecorated(child, mChildFrame.left, mChildFrame.top, mChildFrame.right,
            mChildFrame.bottom);

    final LayoutParams lp = (LayoutParams) child.getLayoutParams();
    if (!lp.isItemRemoved()) {
        pushChildFrame(entry, mChildFrame, mTempLaneInfo.startLane,
                getLaneSpanForChild(child), direction);
    }
}

项目：awesomerecyclerview 文件：TwoWayLayoutManager.java

private View makeAndAddView(int position, Direction direction, Recycler recycler) {
    final View child = recycler.getViewForPosition(position);
    final boolean isItemRemoved = ((LayoutParams) child.getLayoutParams()).isItemRemoved();

    if (!isItemRemoved) {
        addView(child, (direction == Direction.END ? -1 : 0));
    }

    setupChild(child, direction);

    if (!isItemRemoved) {
        updateLayoutEdgesFromNewChild(child);
    }

    return child;
}

项目：NIM_Android_UIKit 文件：BaseQuickAdapter.java

/**
 * @param header
 * @param index
 * @param orientation
 */
public void addHeaderView(View header, int index, int orientation) {
    if (mHeaderLayout == null) {
        mHeaderLayout = new LinearLayout(header.getContext());
        if (orientation == LinearLayout.VERTICAL) {
            mHeaderLayout.setOrientation(LinearLayout.VERTICAL);
            mHeaderLayout.setLayoutParams(new LayoutParams(MATCH_PARENT, WRAP_CONTENT));
        } else {
            mHeaderLayout.setOrientation(LinearLayout.HORIZONTAL);
            mHeaderLayout.setLayoutParams(new LayoutParams(WRAP_CONTENT, MATCH_PARENT));
        }
    }
    index = index >= mHeaderLayout.getChildCount() ? -1 : index;
    mHeaderLayout.addView(header, index);
    if (mHeaderLayout.getChildCount() == 1) {
        int position = getHeaderViewPosition();
        if (position != -1) {
            notifyItemInserted(position);
        }
    }
}

项目：NIM_Android_UIKit 文件：BaseQuickAdapter.java

/**
 * Add footer view to mFooterLayout and set footer view position in mFooterLayout.
 * When index = -1 or index >= child count in mFooterLayout,
 * the effect of this method is the same as that of {@link #addFooterView(View)}.
 *
 * @param footer
 * @param index  the position in mFooterLayout of this footer.
 *               When index = -1 or index >= child count in mFooterLayout,
 *               the effect of this method is the same as that of {@link #addFooterView(View)}.
 */
public void addFooterView(View footer, int index) {
    if (mFooterLayout == null) {
        mFooterLayout = new LinearLayout(footer.getContext());
        mFooterLayout.setOrientation(LinearLayout.VERTICAL);
        mFooterLayout.setLayoutParams(new LayoutParams(MATCH_PARENT, WRAP_CONTENT));
    }
    index = index >= mFooterLayout.getChildCount() ? -1 : index;
    mFooterLayout.addView(footer, index);
    if (mFooterLayout.getChildCount() == 1) {
        int position = getFooterViewPosition();
        if (position != -1) {
            notifyItemInserted(position);
        }
    }
}

项目：NIM_Android_UIKit 文件：BaseQuickAdapter.java

public void setEmptyView(View emptyView) {
    boolean insert = false;
    if (mEmptyView == null) {
        mEmptyView = new FrameLayout(emptyView.getContext());
        mEmptyView.setLayoutParams(new LayoutParams(MATCH_PARENT, MATCH_PARENT));
        insert = true;
    }
    mEmptyView.removeAllViews();
    mEmptyView.addView(emptyView);
    mIsUseEmpty = true;
    if (insert) {
        if (getEmptyViewCount() == 1) {
            int position = 0;
            if (mHeadAndEmptyEnable && getHeaderLayoutCount() != 0) {
                position++;
            }
            notifyItemInserted(position);
        }
    }
}

项目：NIM_Android_UIKit 文件：BaseFetchLoadAdapter.java

public void setEmptyView(View emptyView) {
    boolean insert = false;
    if (mEmptyView == null) {
        mEmptyView = new FrameLayout(emptyView.getContext());
        mEmptyView.setLayoutParams(new LayoutParams(MATCH_PARENT, MATCH_PARENT));
        insert = true;
    }
    mEmptyView.removeAllViews();
    mEmptyView.addView(emptyView);
    mIsUseEmpty = true;
    if (insert) {
        if (getEmptyViewCount() == 1) {
            notifyItemInserted(0);
        }
    }
}

项目：UltimateAndroid 文件：TwoWayLayoutManager.java

private View makeAndAddView(int position, Direction direction, Recycler recycler) {
    final View child = recycler.getViewForPosition(position);
    final boolean isItemRemoved = ((LayoutParams) child.getLayoutParams()).isItemRemoved();

    if (!isItemRemoved) {
        addView(child, (direction == Direction.END ? -1 : 0));
    }

    setupChild(child, direction);

    if (!isItemRemoved) {
        updateLayoutEdgesFromNewChild(child);
    }

    return child;
}

项目：UltimateAndroid 文件：BaseLayoutManager.java

@Override
protected void layoutChild(View child, Direction direction) {
    getLaneForChild(mTempLaneInfo, child, direction);

    mLanes.getChildFrame(mChildFrame, getDecoratedMeasuredWidth(child),
            getDecoratedMeasuredHeight(child), mTempLaneInfo, direction);
    final ItemEntry entry = cacheChildFrame(child, mChildFrame);

    layoutDecorated(child, mChildFrame.left, mChildFrame.top, mChildFrame.right,
            mChildFrame.bottom);

    final LayoutParams lp = (LayoutParams) child.getLayoutParams();
    if (!lp.isItemRemoved()) {
        pushChildFrame(entry, mChildFrame, mTempLaneInfo.startLane,
                getLaneSpanForChild(child), direction);
    }
}

项目：GitHub 文件：StaggeredGridLayoutHelper.java

void prependToSpan(View view, OrientationHelper helper) {
    LayoutParams lp = getLayoutParams(view);
    mViews.add(0, view);
    mCachedStart = INVALID_LINE;
    if (mViews.size() == 1) {
        mCachedEnd = INVALID_LINE;
    }
    if (lp.isItemRemoved() || lp.isItemChanged()) {
        mDeletedSize += helper.getDecoratedMeasurement(view);
    }
}

项目：GitHub 文件：StaggeredGridLayoutHelper.java

void appendToSpan(View view, OrientationHelper helper) {
    LayoutParams lp = getLayoutParams(view);
    mViews.add(view);
    mCachedEnd = INVALID_LINE;
    if (mViews.size() == 1) {
        mCachedStart = INVALID_LINE;
    }
    if (lp.isItemRemoved() || lp.isItemChanged()) {
        mDeletedSize += helper.getDecoratedMeasurement(view);
    }
}

项目：GitHub 文件：StaggeredGridLayoutHelper.java

void popEnd(OrientationHelper helper) {
    final int size = mViews.size();
    View end = mViews.remove(size - 1);
    final LayoutParams lp = getLayoutParams(end);
    if (lp.isItemRemoved() || lp.isItemChanged()) {
        mDeletedSize -= helper.getDecoratedMeasurement(end);
    }
    if (size == 1) {
        mCachedStart = INVALID_LINE;
    }
    mCachedEnd = INVALID_LINE;
}

项目：GitHub 文件：StaggeredGridLayoutHelper.java

void popStart(OrientationHelper helper) {
    View start = mViews.remove(0);
    final LayoutParams lp = getLayoutParams(start);
    if (mViews.size() == 0) {
        mCachedEnd = INVALID_LINE;
    }
    if (lp.isItemRemoved() || lp.isItemChanged()) {
        mDeletedSize -= helper.getDecoratedMeasurement(start);
    }
    mCachedStart = INVALID_LINE;
}

项目：GitHub 文件：StaggeredGridLayoutHelper.java

void prependToSpan(View view, OrientationHelperEx helper) {
    LayoutParams lp = getLayoutParams(view);
    mViews.add(0, view);
    mCachedStart = INVALID_LINE;
    if (mViews.size() == 1) {
        mCachedEnd = INVALID_LINE;
    }
    if (lp.isItemRemoved() || lp.isItemChanged()) {
        mDeletedSize += helper.getDecoratedMeasurement(view);
    }
}

项目：GitHub 文件：StaggeredGridLayoutHelper.java

void appendToSpan(View view, OrientationHelperEx helper) {
    LayoutParams lp = getLayoutParams(view);
    mViews.add(view);
    mCachedEnd = INVALID_LINE;
    if (mViews.size() == 1) {
        mCachedStart = INVALID_LINE;
    }
    if (lp.isItemRemoved() || lp.isItemChanged()) {
        mDeletedSize += helper.getDecoratedMeasurement(view);
    }
}

项目：GitHub 文件：StaggeredGridLayoutHelper.java

void popEnd(OrientationHelperEx helper) {
    final int size = mViews.size();
    View end = mViews.remove(size - 1);
    final LayoutParams lp = getLayoutParams(end);
    if (lp.isItemRemoved() || lp.isItemChanged()) {
        mDeletedSize -= helper.getDecoratedMeasurement(end);
    }
    if (size == 1) {
        mCachedStart = INVALID_LINE;
    }
    mCachedEnd = INVALID_LINE;
}

项目：GitHub 文件：StaggeredGridLayoutHelper.java

void popStart(OrientationHelperEx helper) {
    View start = mViews.remove(0);
    final LayoutParams lp = getLayoutParams(start);
    if (mViews.size() == 0) {
        mCachedEnd = INVALID_LINE;
    }
    if (lp.isItemRemoved() || lp.isItemChanged()) {
        mDeletedSize -= helper.getDecoratedMeasurement(start);
    }
    mCachedStart = INVALID_LINE;
}

项目：vlayout 文件：StaggeredGridLayoutHelper.java

void prependToSpan(View view, OrientationHelperEx helper) {
    LayoutParams lp = getLayoutParams(view);
    mViews.add(0, view);
    mCachedStart = INVALID_LINE;
    if (mViews.size() == 1) {
        mCachedEnd = INVALID_LINE;
    }
    if (lp.isItemRemoved() || lp.isItemChanged()) {
        mDeletedSize += helper.getDecoratedMeasurement(view);
    }
}

项目：vlayout 文件：StaggeredGridLayoutHelper.java

void appendToSpan(View view, OrientationHelperEx helper) {
    LayoutParams lp = getLayoutParams(view);
    mViews.add(view);
    mCachedEnd = INVALID_LINE;
    if (mViews.size() == 1) {
        mCachedStart = INVALID_LINE;
    }
    if (lp.isItemRemoved() || lp.isItemChanged()) {
        mDeletedSize += helper.getDecoratedMeasurement(view);
    }
}

项目：vlayout 文件：StaggeredGridLayoutHelper.java

void popEnd(OrientationHelperEx helper) {
    final int size = mViews.size();
    View end = mViews.remove(size - 1);
    final LayoutParams lp = getLayoutParams(end);
    if (lp.isItemRemoved() || lp.isItemChanged()) {
        mDeletedSize -= helper.getDecoratedMeasurement(end);
    }
    if (size == 1) {
        mCachedStart = INVALID_LINE;
    }
    mCachedEnd = INVALID_LINE;
}

项目：vlayout 文件：StaggeredGridLayoutHelper.java

void popStart(OrientationHelperEx helper) {
    View start = mViews.remove(0);
    final LayoutParams lp = getLayoutParams(start);
    if (mViews.size() == 0) {
        mCachedEnd = INVALID_LINE;
    }
    if (lp.isItemRemoved() || lp.isItemChanged()) {
        mDeletedSize -= helper.getDecoratedMeasurement(start);
    }
    mCachedStart = INVALID_LINE;
}

项目：letv 文件：LinearSmoothScroller.java

public int calculateDyToMakeVisible(View view, int snapPreference) {
    LayoutManager layoutManager = getLayoutManager();
    if (layoutManager == null || !layoutManager.canScrollVertically()) {
        return 0;
    }
    LayoutParams params = (LayoutParams) view.getLayoutParams();
    return calculateDtToFit(layoutManager.getDecoratedTop(view) - params.topMargin, layoutManager.getDecoratedBottom(view) + params.bottomMargin, layoutManager.getPaddingTop(), layoutManager.getHeight() - layoutManager.getPaddingBottom(), snapPreference);
}

项目：letv 文件：LinearSmoothScroller.java

public int calculateDxToMakeVisible(View view, int snapPreference) {
    LayoutManager layoutManager = getLayoutManager();
    if (layoutManager == null || !layoutManager.canScrollHorizontally()) {
        return 0;
    }
    LayoutParams params = (LayoutParams) view.getLayoutParams();
    return calculateDtToFit(layoutManager.getDecoratedLeft(view) - params.leftMargin, layoutManager.getDecoratedRight(view) + params.rightMargin, layoutManager.getPaddingLeft(), layoutManager.getWidth() - layoutManager.getPaddingRight(), snapPreference);
}

项目：letv 文件：LinearLayoutManager.java

private View nextViewFromScrapList() {
    int size = this.mScrapList.size();
    for (int i = 0; i < size; i++) {
        View view = ((ViewHolder) this.mScrapList.get(i)).itemView;
        LayoutParams lp = (LayoutParams) view.getLayoutParams();
        if (!lp.isItemRemoved() && this.mCurrentPosition == lp.getViewLayoutPosition()) {
            assignPositionFromScrapList(view);
            return view;
        }
    }
    return null;
}

项目：letv 文件：LinearLayoutManager.java

public void assignPositionFromScrapList(View ignore) {
    View closest = nextViewInLimitedList(ignore);
    if (closest == null) {
        this.mCurrentPosition = -1;
    } else {
        this.mCurrentPosition = ((LayoutParams) closest.getLayoutParams()).getViewLayoutPosition();
    }
}