public void drawHorizontal(Canvas c, RecyclerView parent) { final int top = parent.getPaddingTop(); final int bottom = parent.getHeight() - parent.getPaddingBottom(); final int parentWidth = parent.getMeasuredWidth(); verticalLine.setBounds(parentWidth / 2 - 1, top, parentWidth / 2 + 1,bottom); verticalLine.draw(c); }
public void drawCenterVerticalLine(Canvas c, RecyclerView parent) { final int top = parent.getPaddingTop(); final int parentWidth = parent.getMeasuredWidth(); int bottom; final int childCount = parent.getChildCount(); if (childCount == 0) return; View lastChild = parent.getChildAt(childCount - 1); if (childCount > 1) { View child = parent.getChildAt(childCount - 2); bottom = mConfig.mBottomDistance + (child.getBottom() > lastChild.getBottom() ? child.getBottom() : lastChild.getBottom()); } else { bottom = mConfig.mBottomDistance + lastChild.getBottom(); } c.drawLine(parentWidth / 2, top, parentWidth / 2, bottom, mLinePaint); }
/** * 绘制垂直分割线 */ private void drawVertical(Canvas canvas, RecyclerView parent) { int left = parent.getPaddingLeft() + mMarginLeft; int right = parent.getMeasuredWidth() - parent.getPaddingRight() - mMarginRight; int childSize = parent.getChildCount(); for (int i = 0; i < childSize; i++) { View child = parent.getChildAt(i); RecyclerView.LayoutParams layoutParams = (RecyclerView.LayoutParams) child.getLayoutParams(); int top = child.getBottom() + layoutParams.bottomMargin; int bottom = top + mDividerSize; if (mDividerDrawable != null) { //如果是图片分割线,绘制图片 mDividerDrawable.setBounds(left, top, right, bottom); mDividerDrawable.draw(canvas); } else { //绘制矩形 canvas.drawRect(left, top, right, bottom, mPaint); } } }
public void drawVertical(Canvas c, RecyclerView parent) { final int parentWidth = parent.getMeasuredWidth(); final int childCount = parent.getChildCount(); for (int i = 0; i < childCount; i++) {//-1最后一个不画 final View child = parent.getChildAt(i); final int top = child.getTop() + (child.getBottom() - child.getTop()) / 2 - drawable.getIntrinsicHeight() / 2; final int bottom = top + drawable.getIntrinsicHeight(); int horizontalLineLeft = child.getRight(); int horizontalLineRight = parentWidth / 2; int horizontalLineTop = child.getTop() + (child.getBottom() - child.getTop()) / 2; if (child.getLeft()<parentWidth/2) { horizontalLineLeft = parentWidth / 2; horizontalLineRight = child.getLeft(); } horizontalLine.setBounds(horizontalLineLeft, horizontalLineTop, horizontalLineRight, horizontalLineTop + 2); horizontalLine.draw(c); int drawableLeft = parentWidth / 2 - drawable.getIntrinsicWidth() / 2; int drawableRight = parentWidth / 2 + drawable.getIntrinsicWidth() / 2; drawable.setBounds(drawableLeft, top, drawableRight, bottom); drawable.draw(c); } } }
public void drawVerticalItem(Canvas c, RecyclerView parent) { final int parentWidth = parent.getMeasuredWidth(); final int childCount = parent.getChildCount(); for (int i = 0; i < childCount; i++) {
/** * 绘制纵向 item 分割线 */ private void drawVertical(Canvas canvas, RecyclerView parent) { final int left = dividerMargin; final int right = parent.getMeasuredWidth() - dividerMargin; final int childSize = parent.getChildCount(); for (int i = 0; i < childSize; i++) { final View child = parent.getChildAt(i); RecyclerView.LayoutParams layoutParams = (RecyclerView.LayoutParams) child.getLayoutParams(); final int top = child.getBottom() + layoutParams.bottomMargin; final int bottom = top + dividerHeight; canvas.drawRect(left, top, right, bottom, mPaint); } }
@Override public boolean isItemsFitOnScreen(RecyclerView recyclerView, int itemsSize) { calcItemWidth(recyclerView); int itemsWidth = itemWidth * (itemsSize); int containerWidth = recyclerView.getMeasuredWidth(); return containerWidth >= itemsWidth; }
/** * 绘制纵向 item 分割线 * @param canvas 画布 * @param parent 父布局 */ private void drawVertical(Canvas canvas,RecyclerView parent){ final int left = parent.getPaddingLeft() ; final int right = parent.getMeasuredWidth() - parent.getPaddingRight() ; final int childSize = parent.getChildCount() ; for(int i = 0 ; i < childSize ; i ++){ final View child = parent.getChildAt( i ) ; RecyclerView.LayoutParams layoutParams = (RecyclerView.LayoutParams) child.getLayoutParams(); final int top = child.getBottom() + layoutParams.bottomMargin ; final int bottom = top + mItemSize ; canvas.drawRect(left,top,right,bottom,mPaint); } }
private void drawHorizontal(Canvas canvas, RecyclerView parent) { final int left = parent.getPaddingLeft(); final int right = parent.getMeasuredWidth() - parent.getPaddingRight(); int childSize = parent.getChildCount(); for (int i = 0; i < childSize; i++) { final View child = parent.getChildAt(i); RecyclerView.LayoutParams layoutParams = (RecyclerView.LayoutParams) child.getLayoutParams(); final int top = child.getBottom() + layoutParams.bottomMargin; final int bottom = top + mDividerHeight; if (mPaint != null) { canvas.drawRect(left + mMarginLeft, top, right, bottom, mPaint); } } } }
/** * 绘制纵向 item 分割线 * @param canvas * @param parent */ private void drawVertical(Canvas canvas,RecyclerView parent){ final int left = parent.getPaddingLeft() ; final int right = parent.getMeasuredWidth() - parent.getPaddingRight() ; final int childSize = parent.getChildCount() ; for(int i = 0 ; i < childSize ; i ++){ final View child = parent.getChildAt( i ) ; RecyclerView.LayoutParams layoutParams = (RecyclerView.LayoutParams) child.getLayoutParams(); final int top = child.getBottom() + layoutParams.bottomMargin ; final int bottom = top + mItemSize ; canvas.drawRect(left,top,right,bottom,mPaint); } }
private void drawHorizontal(Canvas canvas, RecyclerView parent) { final int left = parent.getPaddingLeft(); final int right = parent.getMeasuredWidth() - parent.getPaddingRight(); final int childSize = parent.getChildCount(); for (int i = 0; i < childSize; i++) { final View child = parent.getChildAt(i); RecyclerView.LayoutParams layoutParams = (RecyclerView.LayoutParams) child.getLayoutParams(); final int top = child.getBottom() + layoutParams.bottomMargin; final int bottom = top + mDividerHeight; if (mDivider != null) { mDivider.setBounds(left, top, right, bottom); mDivider.draw(canvas); } if (mPaint != null) { canvas.drawRect(left, top, right, bottom, mPaint); } } }
private void drawHorizontal(Canvas canvas, RecyclerView parent) { int childSize = parent.getChildCount(); int left = parent.getPaddingLeft(); int right = parent.getMeasuredWidth() - parent.getPaddingRight(); for (int i = 0; i < childSize; i++) { View child = parent.getChildAt(i); RecyclerView.LayoutParams layoutParams = (RecyclerView.LayoutParams) child.getLayoutParams(); int top = child.getBottom() + layoutParams.bottomMargin; int bottom = top + mDividerHeight; if (mDivider != null) { mDivider.setBounds(left, top, right, bottom); mDivider.draw(canvas); } if (mPaint != null) { canvas.drawRect(left, top, right, bottom, mPaint); } } }
/** * 绘制纵向 item 分割线 * @param canvas * @param parent */ private void drawVertical(Canvas canvas,RecyclerView parent){ final int left = parent.getPaddingLeft() ; final int right = parent.getMeasuredWidth() - parent.getPaddingRight() ; final int childSize = parent.getChildCount() ; for(int i = 0 ; i < childSize ; i ++){ final View child = parent.getChildAt( i ) ; RecyclerView.LayoutParams layoutParams = (RecyclerView.LayoutParams) child.getLayoutParams(); final int top = child.getBottom() + layoutParams.bottomMargin ; final int bottom = top + mItemSize ; canvas.drawRect(left,top,right,bottom,mPaint); } }
private void drawHorizontal(Canvas canvas, RecyclerView parent) { final int left = parent.getPaddingLeft(); final int right = parent.getMeasuredWidth() - parent.getPaddingRight(); final int childSize = parent.getChildCount(); for (int i = 0; i < childSize; i++) { final View child = parent.getChildAt(i); RecyclerView.LayoutParams layoutParams = (RecyclerView.LayoutParams) child.getLayoutParams(); final int top = child.getBottom() + layoutParams.bottomMargin; final int bottom = top + mDividerHeight; if (mDivider != null) { mDivider.setBounds(left, top, right, bottom); mDivider.draw(canvas); } if (mPaint != null) { canvas.drawRect(left, top, right, bottom, mPaint); } } }
private void drawHorizontal(Canvas canvas, RecyclerView parent) { final int left = parent.getPaddingLeft(); final int right = parent.getMeasuredWidth() - parent.getPaddingRight(); final int childSize = parent.getChildCount(); for (int i = 0; i < childSize; i++) { final View child = parent.getChildAt(i); RecyclerView.LayoutParams layoutParams = (RecyclerView.LayoutParams) child.getLayoutParams(); final int top = child.getBottom() + layoutParams.bottomMargin; final int bottom = top + mDividerHeight; if (mDivider != null) { mDivider.setBounds(left, top, right, bottom); mDivider.draw(canvas); } if (mPaint != null) { canvas.drawRect(left, top, right, bottom, mPaint); } } }
private void drawHorizontal(Canvas canvas, RecyclerView parent) { final int left = parent.getPaddingLeft(); final int right = parent.getMeasuredWidth() - parent.getPaddingRight(); final int childSize = parent.getChildCount(); for (int i = 0; i < childSize; i++) { final View child = parent.getChildAt(i); RecyclerView.LayoutParams layoutParams = (RecyclerView.LayoutParams) child.getLayoutParams(); final int top = child.getBottom() + layoutParams.bottomMargin; final int bottom = top + mDividerHeight; if (mDivider != null) { mDivider.setBounds(left, top, right, bottom); mDivider.draw(canvas); } if (mPaint != null) { canvas.drawRect(left, top, right, bottom, mPaint); } } }
private void drawHorizontal(Canvas canvas, RecyclerView parent) { final int left = parent.getPaddingLeft(); final int right = parent.getMeasuredWidth() - parent.getPaddingRight(); final int childSize = parent.getChildCount(); for (int i = 0; i < childSize; i++) { final View child = parent.getChildAt(i); RecyclerView.LayoutParams layoutParams = (RecyclerView.LayoutParams) child.getLayoutParams(); final int top = child.getBottom() + layoutParams.bottomMargin; final int bottom = top + mDividerHeight; if (mDivider != null) { mDivider.setBounds(left, top, right, bottom); mDivider.draw(canvas); } if (mPaint != null) { canvas.drawRect(left, top, right, bottom, mPaint); } } }
private void measureAndLayoutHolder(RecyclerView parent, RecyclerView.ViewHolder viewHolder) { int widthSpec = View.MeasureSpec.makeMeasureSpec(parent.getMeasuredWidth(), View.MeasureSpec.EXACTLY); int heightSpec = View.MeasureSpec.makeMeasureSpec(parent.getMeasuredHeight(), View.MeasureSpec.UNSPECIFIED); int childWidth = ViewGroup.getChildMeasureSpec(widthSpec, parent.getPaddingLeft() + parent.getPaddingRight(), viewHolder.itemView.getLayoutParams().width); int childHeight = ViewGroup.getChildMeasureSpec(heightSpec, parent.getPaddingTop() + parent.getPaddingBottom(), viewHolder.itemView.getLayoutParams().height); viewHolder.itemView.measure(childWidth, childHeight); viewHolder.itemView.layout(0, 0, viewHolder.itemView.getMeasuredWidth(), viewHolder.itemView.getMeasuredHeight()); }
private RecyclerView.ViewHolder getHeader(RecyclerView parent, int position) { RecyclerView.ViewHolder holder = mAdapter.onCreateHeaderViewHolder(parent); View header = holder.itemView; //noinspection unchecked mAdapter.onBindHeaderViewHolder(holder, position); int widthSpec = View.MeasureSpec.makeMeasureSpec(parent.getMeasuredWidth(), View.MeasureSpec.EXACTLY); int heightSpec = View.MeasureSpec.makeMeasureSpec(parent.getMeasuredHeight(), View.MeasureSpec.UNSPECIFIED); int childWidth = ViewGroup.getChildMeasureSpec(widthSpec, parent.getPaddingLeft() + parent.getPaddingRight(), header.getLayoutParams().width); int childHeight = ViewGroup.getChildMeasureSpec(heightSpec, parent.getPaddingTop() + parent.getPaddingBottom(), header.getLayoutParams().height); header.measure(childWidth, childHeight); header.layout(0, 0, header.getMeasuredWidth(), header.getMeasuredHeight()); return holder; }
/** * 在加载更多视图被attachToWindow之前,判断当前显示的内容是否达到显示加载更多的条件 */ public boolean isCurrentItemSizeOver(boolean includeLoadMore) { int currentSize = checkOrientationVertical() ? mRecyclerView.getMeasuredHeight() : mRecyclerView.getMeasuredWidth(); boolean canScroll = calculateChildrenSize(includeLoadMore) >= currentSize; return mLoadMoreDelegate != null && mRefreshStatus != HTBaseRecyclerView.RefreshStatus.REFRESHING && canScroll; }