@Override
public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
super.onScrolled(recyclerView, dx, dy);
int childCount = recyclerView.getChildCount();
int width = recyclerView.getChildAt(0).getWidth();
int padding = (recyclerView.getWidth() - width) / 2;
for (int i = 0; i < childCount; i++) {
View view = recyclerView.getChildAt(i);
float ratio = 0;
if (view.getLeft() <= padding) {
if (view.getLeft() >= padding - view.getWidth()) {
ratio = (padding - view.getLeft()) * 1f / view.getWidth();
} else {
ratio = 1;
}
view.setScaleY(1 - ratio * 0.5f);
view.setScaleX(1 - ratio * 0.5f);
} else {
if (view.getLeft() <= recyclerView.getWidth() - padding) {
ratio = (recyclerView.getWidth() - padding - view.getLeft()) * 1f / view.getWidth();
}
view.setScaleY(0.5f + ratio * 0.5f);
view.setScaleX(0.5f + ratio * 0.5f);
}
}
}
@Override
public void onDrawOver(Canvas c, RecyclerView parent, RecyclerView.State state) {
if (mDivider == null) {
super.onDrawOver(c, parent, state);
return;
}
// Initialization needed to avoid compiler warning
int left = 0, right = 0, top = 0, bottom = 0, size;
int orientation = mOrientation != -1 ? mOrientation : getOrientation(parent);
int childCount = parent.getChildCount();
if (orientation == LinearLayoutManager.VERTICAL) {
size = mDivider.getIntrinsicHeight();
left = parent.getPaddingLeft();
right = parent.getWidth() - parent.getPaddingRight();
} else { // horizontal
size = mDivider.getIntrinsicWidth();
top = parent.getPaddingTop();
bottom = parent.getHeight() - parent.getPaddingBottom();
}
for (int i = mShowFirstDivider ? 0 : 1; i < childCount; i++) {
View child = parent.getChildAt(i);
RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) child.getLayoutParams();
if (orientation == LinearLayoutManager.VERTICAL) {
top = child.getTop() - params.topMargin - size;
bottom = top + size;
} else { // horizontal
left = child.getLeft() - params.leftMargin;
right = left + size;
}
mDivider.setBounds(left, top, right, bottom);
mDivider.draw(c);
}
// show last divider
if (mShowLastDivider && childCount > 0) {
View child = parent.getChildAt(childCount - 1);
if (parent.getChildAdapterPosition(child) == (state.getItemCount() - 1)) {
RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) child.getLayoutParams();
if (orientation == LinearLayoutManager.VERTICAL) {
top = child.getBottom() + params.bottomMargin;
bottom = top + size;
} else { // horizontal
left = child.getRight() + params.rightMargin;
right = left + size;
}
mDivider.setBounds(left, top, right, bottom);
mDivider.draw(c);
}
}
}
private void selectShade(int position) {
ImageView shellSelected;
for (int i = 0; i < shadeAdapter.getItemCount(); i++) {
if (recyclerView.getChildAt(i) != null) {
shellSelected = ((ImageView) recyclerView.getChildAt(i).findViewById(R.id.shell_selected));
if (shellSelected.getVisibility() == View.VISIBLE) {
shellSelected.setVisibility(View.GONE);
}
}
}
GridLayoutManager layoutManager = (GridLayoutManager) recyclerView.getLayoutManager();
if (getSelectionMode() == SelectionModeEnum.SINGLE_SELECTION_MODE) {
View view = recyclerView.getChildAt(position - layoutManager.findFirstVisibleItemPosition());
if (shadeAdapter.getSelectedShade() == position) {
shadeAdapter.setSelectedShade(-1);
view.findViewById(R.id.shell_selected).setVisibility(View.INVISIBLE);
} else {
shadeAdapter.setSelectedShade(position);
view.findViewById(R.id.shell_selected).setVisibility(View.VISIBLE);
}
} else if (getSelectionMode() == SelectionModeEnum.MULTIPLE_SELECTION_MODE) {
if (selected.contains(position)) {
selected.remove((Integer) position);
} else {
selected.add(position);
}
shadeAdapter.setSelected(selected);
for (int item : shadeAdapter.getSelected()) {
if (item >= layoutManager.findFirstVisibleItemPosition()
&& item <= layoutManager.findLastVisibleItemPosition()) {
View view = recyclerView.getChildAt(item - layoutManager.findFirstVisibleItemPosition());
view.findViewById(R.id.shell_selected).setVisibility(View.VISIBLE);
}
}
}
}
public void saveScrollPosition() {
if (crumb == null) return;
crumb.setScrollPosition(
((GridLayoutManager) mRecyclerView.getLayoutManager()).findFirstVisibleItemPosition());
final View firstChild = mRecyclerView.getChildAt(0);
if (firstChild != null) crumb.setScrollOffset((int) firstChild.getY());
}
@Override
public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
if (dy == 0 || recyclerView.getChildCount() <= 0) return;
LinearLayoutManager linearLayoutManager =
(LinearLayoutManager) recyclerView.getLayoutManager();
int firstVisibleItem = linearLayoutManager.findFirstVisibleItemPosition();
int lastVisibleItem = linearLayoutManager.findLastVisibleItemPosition();
int visibleItemCount = lastVisibleItem - firstVisibleItem;
int totalItemCount = recyclerView.getAdapter().getItemCount();
NewsListRecyclerAdapter adapter = (NewsListRecyclerAdapter) recyclerView.getAdapter();
// Set the item at top to read
ViewHolder vh =
(ViewHolder) recyclerView.findViewHolderForLayoutPosition(firstVisibleItem);
if (vh != null && !vh.shouldStayUnread()) {
adapter.ChangeReadStateOfItem(vh, true);
}
// Check if Listview is scrolled to bottom
if (lastVisibleItem == (totalItemCount - 1)
&& recyclerView.getChildAt(visibleItemCount).getBottom()
<= recyclerView.getHeight()) {
for (int i = firstVisibleItem + 1; i <= lastVisibleItem; i++) {
vh = (ViewHolder) recyclerView.findViewHolderForLayoutPosition(i);
if (vh != null && !vh.shouldStayUnread()) {
adapter.ChangeReadStateOfItem(vh, true);
}
}
}
}
public final void onDraw$13fcd2ff(Canvas paramCanvas, RecyclerView paramRecyclerView) {
this.mCardStackBoundsRect.setEmpty();
int i = paramRecyclerView.getChildCount();
for (int j = 0; j < i; j++) {
View localView = paramRecyclerView.getChildAt(j);
if ((localView instanceof CardSection)) {
boolean bool = localView instanceof DetailsPeekingSection;
int k = 0;
if (bool) {
k = ((DetailsPeekingSection) localView).getTopPeekAmount();
}
this.mCardStackBoundsRect.union(
localView.getLeft(),
k + localView.getTop(),
localView.getRight(),
localView.getBottom());
}
}
if (this.mCardStackBoundsRect.isEmpty()) {
return;
}
Rect localRect1 = this.mCardStackBoundsRect;
localRect1.left -= this.mVerticalPadding;
Rect localRect2 = this.mCardStackBoundsRect;
localRect2.top -= this.mVerticalPadding;
Rect localRect3 = this.mCardStackBoundsRect;
localRect3.right += this.mVerticalPadding;
Rect localRect4 = this.mCardStackBoundsRect;
localRect4.bottom += this.mVerticalPadding;
this.mCardDrawable.setBounds(this.mCardStackBoundsRect);
this.mCardDrawable.draw(paramCanvas);
}
private static View findRangeLastItem(
RecyclerView rv,
ItemDraggableRange range,
int firstVisiblePosition,
int lastVisiblePosition) {
if (firstVisiblePosition == RecyclerView.NO_POSITION
|| lastVisiblePosition == RecyclerView.NO_POSITION) {
return null;
}
View v = null;
final int childCount = rv.getChildCount();
for (int i = childCount - 1; i >= 0; i--) {
final View v2 = rv.getChildAt(i);
final RecyclerView.ViewHolder vh = rv.getChildViewHolder(v2);
if (vh != null) {
final int position = vh.getLayoutPosition();
if ((position >= firstVisiblePosition)
&& (position <= lastVisiblePosition)
&& range.checkInRange(position)) {
v = v2;
break;
}
}
}
return v;
}
private CustomEngine getData() {
CustomEngine data = new CustomEngine();
data.setName(mEditTextName.getText().toString());
data.setUpload_url(mEditTextUrl.getText().toString());
data.setPost_file_key(mEditTextFileKey.getText().toString());
data.setResult_open_action(mSpinner.getSelectedItemPosition());
if (!URLUtil.isNetworkUrl(data.getUpload_url())) {
data.setUpload_url("http://" + data.getUpload_url());
}
data.post_text_key.clear();
data.post_text_value.clear();
data.post_text_type.clear();
for (int i = 0; i < mRecyclerView.getChildCount(); i++) {
View view = mRecyclerView.getChildAt(i);
if (view == null) continue;
EditText key = (EditText) view.findViewById(R.id.editText_key);
EditText value = (EditText) view.findViewById(R.id.editText_value);
if (key != null && value != null) {
data.post_text_key.add(key.getEditableText().toString());
data.post_text_value.add(value.getEditableText().toString());
data.post_text_type.add(0);
}
}
return data;
}
private void updateOnScreenCheckedViews() {
final int count = mRecyclerView.getChildCount();
for (int i = 0; i < count; i++) {
final View child = mRecyclerView.getChildAt(i);
final int position = mRecyclerView.getChildPosition(child);
setViewChecked(child, mCheckedStates.get(position));
}
}
@Override
public void onDrawOver(Canvas canvas, RecyclerView parent, RecyclerView.State state) {
int left = parent.getPaddingLeft();
int right = parent.getWidth() - parent.getPaddingRight();
int top = parent.getPaddingTop();
int bottom = parent.getHeight() - parent.getPaddingBottom();
int orientation = getOrientation(parent);
int childCount = parent.getChildCount();
for (int i = showFirstDivider ? 0 : 1; i < childCount; i++) {
View child = parent.getChildAt(i);
RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) child.getLayoutParams();
if (orientation == LinearLayoutManager.VERTICAL) {
top = child.getTop() - params.topMargin;
bottom = top - (size / 2);
canvas.drawLine(left, bottom, right, bottom, paint);
} else {
left = child.getLeft() - params.leftMargin;
right = left - (size / 2);
canvas.drawLine(right, top, right, bottom, paint);
}
}
if (showLastDivider && childCount > 0) {
View child = parent.getChildAt(childCount - 1);
RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) child.getLayoutParams();
if (orientation == LinearLayoutManager.VERTICAL) {
top = child.getBottom() + params.bottomMargin;
bottom = top + size;
canvas.drawLine(left, bottom, right, bottom, paint);
} else {
left = child.getRight() + params.rightMargin;
right = left + (size / 2);
canvas.drawLine(right, top, right, bottom, paint);
}
}
}
public void setOverScrollDistance(int overScrollDistance) {
this.overScrollDistance = overScrollDistance;
if (recyclerView != null) {
checkBindDataChange();
// recyclerView.setTranslationY(overScrollDistance);
for (int i = 0, count = recyclerView.getChildCount(); i < count; i++) {
recyclerView.getChildAt(i).setTranslationY(overScrollDistance);
}
}
}
private void appendComment(BotAdapter.Type type, String comment) {
botAdapter.addItem(type, comment);
botAdapter.setAnimationsLocked(false);
botAdapter.setDelayEnterAnimation(false);
if (rvComments.getChildCount() > 0) {
rvComments.smoothScrollBy(
0, rvComments.getChildAt(0).getHeight() * botAdapter.getItemCount());
}
}
/** Get center child in Y Axes */
public static View getCenterYChild(RecyclerView recyclerView) {
int childCount = recyclerView.getChildCount();
if (childCount > 0) {
for (int i = 0; i < childCount; i++) {
View child = recyclerView.getChildAt(i);
if (isChildInCenterY(recyclerView, child)) {
return child;
}
}
}
return null;
}
/** Get position of center child in Y Axes */
public static int getCenterYChildPosition(RecyclerView recyclerView) {
int childCount = recyclerView.getChildCount();
if (childCount > 0) {
for (int i = 0; i < childCount; i++) {
View child = recyclerView.getChildAt(i);
if (isChildInCenterY(recyclerView, child)) {
return recyclerView.getChildAdapterPosition(child);
}
}
}
return childCount;
}
// gets item at a specific point
public static View getItemAtPoint(RecyclerView recyclerView, float x, float y) {
int childCount = recyclerView.getChildCount();
if (childCount > 0) {
for (int i = 0; i < childCount; i++) {
View child = recyclerView.getChildAt(i);
if (isItemAtPoint(child, x, y)) {
return child;
}
}
}
return null;
}
/**
* 绘制横向 item 分割线
*
* @param canvas
* @param parent
*/
private void drawHorizontal(Canvas canvas, RecyclerView parent) {
final int top = parent.getPaddingTop();
final int bottom = parent.getMeasuredHeight() - parent.getPaddingBottom();
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 left = child.getRight() + layoutParams.rightMargin;
final int right = left + mItemSize;
canvas.drawRect(left, top, right, bottom, mPaint);
}
}
public void drawHorizontal(Canvas c, RecyclerView parent) {
final int top = parent.getPaddingTop();
final int bottom = parent.getHeight() - parent.getPaddingBottom();
final int childCount = parent.getChildCount();
for (int i = 0; i < childCount; i++) {
final View child = parent.getChildAt(i);
final RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) child.getLayoutParams();
final int left = child.getRight() + params.rightMargin;
final int right = left + mDivider.getIntrinsicHeight();
mDivider.setBounds(left, top, right, bottom);
mDivider.draw(c);
}
}
/**
* 绘制垂直方向的分割线
*
* @param c
* @param parent
*/
private void drawVDeraction(Canvas c, RecyclerView parent) {
int top = parent.getPaddingTop();
int bottom = parent.getHeight() - parent.getPaddingBottom();
int childCount = parent.getChildCount();
for (int i = 0; i < childCount; i++) {
View child = parent.getChildAt(i);
RecyclerView.LayoutParams layoutParams = (RecyclerView.LayoutParams) child.getLayoutParams();
int left = child.getRight() + layoutParams.rightMargin;
int right = left + mDivider.getIntrinsicWidth();
mDivider.setBounds(left, top, right, bottom);
mDivider.draw(c);
}
}
public void drawVertical(Canvas c, RecyclerView parent) {
final int left = parent.getPaddingLeft();
final int right = parent.getWidth() - parent.getPaddingRight();
final int childCount = parent.getChildCount();
for (int i = 0; i < childCount; i++) {
final View child = parent.getChildAt(i);
final RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) child.getLayoutParams();
final int top = child.getBottom() + params.bottomMargin;
final int bottom = top + mDivider.getIntrinsicHeight();
mDivider.setBounds(left, top, right, bottom);
mDivider.draw(c);
}
}
/**
* 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();
// linearLayoutManager.findFirstVisibleItemPosition();
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);
}
}
// 垂直分割线
private void drawVertical(Canvas canvas, RecyclerView parent) {
int childCount = parent.getChildCount();
for (int i = 0; i < childCount; i++) {
View child = parent.getChildAt(i);
RecyclerView.LayoutParams layoutParams = (RecyclerView.LayoutParams) child.getLayoutParams();
int left = child.getRight() + layoutParams.rightMargin;
int right = left + height;
int top = child.getTop() - layoutParams.topMargin;
int bottom = child.getBottom() + layoutParams.bottomMargin;
drawable.setBounds(left, top, right, bottom);
drawable.draw(canvas);
}
}
@Override
public void onDraw(Canvas c, RecyclerView parent, RecyclerView.State state) {
int left = parent.getPaddingLeft();
int right = parent.getRight() - parent.getPaddingRight();
for (int i = 0; i < parent.getChildCount(); i++) {
View child = parent.getChildAt(i);
RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) child.getLayoutParams();
int top = child.getBottom() + params.bottomMargin;
int bottom = top + divider.getIntrinsicHeight();
divider.setBounds(left, top, right, bottom);
divider.draw(c);
}
}
private void drawHorizontal(Canvas canvas, RecyclerView parent) {
final int top = parent.getPaddingTop();
final int bottom = parent.getHeight() - parent.getPaddingBottom();
final int childCount = parent.getChildCount();
for (int i = 1; i < childCount; i++) {
final View child = parent.getChildAt(i);
final RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) child.getLayoutParams();
final int size = mDivider.getIntrinsicWidth();
final int left = child.getLeft() - params.leftMargin;
final int right = left + size;
mDivider.setBounds(left, top, right, bottom);
mDivider.draw(canvas);
}
}
@Override
public void onDraw(Canvas c, RecyclerView parent, RecyclerView.State state) {
int left = parent.getPaddingLeft();
int right = parent.getWidth() - parent.getPaddingRight();
int childCount = parent.getChildCount();
for (int i = 0; i < childCount; i++) {
View child = parent.getChildAt(i);
RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) child.getLayoutParams();
int top = child.getBottom() + params.bottomMargin;
int bottom = top + 1;
c.drawRect(left, top, right, bottom, mPaint);
}
}
public void drawHorizontal(@NonNull Canvas c, @NonNull RecyclerView parent) {
final int top = parent.getPaddingTop();
final int bottom = parent.getHeight() - parent.getPaddingBottom();
final int childCount = parent.getChildCount();
IntStream.range(0, childCount)
.forEach(
i -> {
final View child = parent.getChildAt(i);
final RecyclerView.LayoutParams params =
(RecyclerView.LayoutParams) child.getLayoutParams();
final int left = child.getRight() + params.rightMargin;
final int right = left + mDivider.getIntrinsicHeight();
mDivider.setBounds(left, top, right, bottom);
mDivider.draw(c);
});
}
@Override
public void onDraw(Canvas c, RecyclerView parent, RecyclerView.State state) {
super.onDraw(c, parent, state);
final int left = parent.getPaddingLeft();
final int right = parent.getWidth() - parent.getPaddingRight();
final int childCount = parent.getChildCount();
for (int i = 0; i < childCount; i++) {
final View child = parent.getChildAt(i);
RecyclerView v = new RecyclerView(parent.getContext());
final RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) child.getLayoutParams();
final int top = child.getBottom() + params.bottomMargin;
final int bottom = top + mDivider.getIntrinsicHeight();
mDivider.setBounds(left, top, right, bottom);
mDivider.draw(c);
}
}
@Override
public void onDraw(Canvas c, RecyclerView parent, RecyclerView.State state) {
super.onDraw(c, parent, state);
// layout basically just gets drawn on the reserved space on top of the first view
mLayout.layout(parent.getLeft(), 0, parent.getRight(), mLayout.getMeasuredHeight());
for (int i = 0; i < parent.getChildCount(); i++) {
View view = parent.getChildAt(i);
if (parent.getChildAdapterPosition(view) == 0) {
c.save();
final int height = mLayout.getMeasuredHeight();
final int top = view.getTop() - height;
c.translate(0, top);
mLayout.draw(c);
c.restore();
break;
}
}
}
public void drawVertical(Canvas c, RecyclerView parent) {
final int left = parent.getPaddingLeft();
final int right = parent.getWidth() - parent.getPaddingRight();
final int childCount = parent.getChildCount();
for (int i = 0; i < childCount; i++) {
final View child = parent.getChildAt(i);
// 有脚部时，最后一条不画
if (hasFooter
&& parent.getChildLayoutPosition(child) == parent.getLayoutManager().getItemCount() - 1) {
continue;
}
final RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) child.getLayoutParams();
final int top = child.getBottom() + params.bottomMargin;
final int bottom = top + mDivider.getIntrinsicHeight();
mDivider.setBounds(left, top, right, bottom);
mDivider.draw(c);
}
}
public static View getFirstIntersectsChild(RecyclerView recyclerView) {
int childCount = recyclerView.getChildCount();
if (childCount > 0) {
for (int i = 0; i < childCount; i++) {
View child = recyclerView.getChildAt(i);
Rect rect1 =
new Rect(
recyclerView.getLeft(),
recyclerView.getTop(),
recyclerView.getRight(),
recyclerView.getBottom());
Rect rect2 = new Rect(child.getLeft(), child.getTop(), child.getRight(), child.getBottom());
if (Rect.intersects(rect1, rect2)) {
return child;
}
}
}
return null;
}
@Override
public void onDrawLoadMore(Canvas c, RecyclerView parent) {
super.onDrawLoadMore(c, parent);
mProgress = mProgress + 5;
if (mProgress == 100) {
mProgress = 0;
}
final int left = parent.getPaddingLeft();
final int right = parent.getMeasuredWidth() - parent.getPaddingRight();
final int childSize = parent.getChildCount();
final View child = parent.getChildAt(childSize - 1);
RecyclerView.LayoutParams layoutParams = (RecyclerView.LayoutParams) child.getLayoutParams();
final int top = child.getBottom() + layoutParams.bottomMargin;
final int bottom = top + getLoadMorePadding() / 2;
paint.setAntiAlias(true); // 抗锯齿
paint.setFlags(Paint.ANTI_ALIAS_FLAG); // 增强消除锯齿
paint.setColor(Color.GRAY); // 画笔为灰色
paint.setStrokeWidth(10); // 画笔宽度
paint.setStyle(Paint.Style.STROKE); // 中空
c.drawCircle(
(right - left) / 2 - mCircleOffset,
bottom,
mCircleSize,
paint); // 在中心为（(right - left)/2,bottom）的地方画个半径为mCircleSize的圆，
paint.setColor(Color.GREEN); // 设置画笔为绿色
oval.set(
(right - left) / 2 - mCircleOffset - mCircleSize,
bottom - mCircleSize,
(right - left) / 2 - mCircleOffset + mCircleSize,
bottom + mCircleSize); // 在Circle小于圈圈大小的地方画圆，这样也就保证了半径为mCircleSize
c.drawArc(
oval,
-90,
((float) mProgress / 100) * 360,
false,
paint); // 圆弧，第二个参数为：起始角度，第三个为跨的角度，第四个为true的时候是实心，false的时候为空心
paint.reset(); // 将画笔重置
paint.setStrokeWidth(3); // 再次设置画笔的宽度
paint.setTextSize(40); // 设置文字的大小
paint.setColor(Color.BLACK); // 设置画笔颜色
c.drawText(getLoadmoreString(), (right - left) / 2, bottom + 10, paint);
}