PagerGridLayoutManager

java.lang.Object
- androidx.recyclerview.widget.RecyclerView.LayoutManager
- - com.app.live.activity.PagerGridLayoutManager

所有已实现的接口:: androidx.recyclerview.widget.RecyclerView.SmoothScroller.ScrollVectorProvider

public class PagerGridLayoutManager
extends androidx.recyclerview.widget.RecyclerView.LayoutManager
implements androidx.recyclerview.widget.RecyclerView.SmoothScroller.ScrollVectorProvider

嵌套类概要

嵌套类
限定符和类型类和说明

static interface PagerGridLayoutManager.OrientationType

static interface PagerGridLayoutManager.PageListener
- 从类继承的嵌套类/接口 androidx.recyclerview.widget.RecyclerView.LayoutManager
  androidx.recyclerview.widget.RecyclerView.LayoutManager.LayoutPrefetchRegistry, androidx.recyclerview.widget.RecyclerView.LayoutManager.Properties

嵌套类
限定符和类型	类和说明
`static interface`	`PagerGridLayoutManager.OrientationType`
`static interface`	`PagerGridLayoutManager.PageListener`

字段概要

字段
限定符和类型字段和说明

static int HORIZONTAL

static int VERTICAL

字段
限定符和类型	字段和说明
`static int`	`HORIZONTAL`
`static int`	`VERTICAL`

构造器概要

构造器
构造器和说明

PagerGridLayoutManager(int rows, int columns, int orientation)
构造函数

构造器
构造器和说明
`PagerGridLayoutManager(int rows, int columns, int orientation)` 构造函数

方法概要

所有方法实例方法具体方法
限定符和类型	方法和说明
`boolean`	`canScrollHorizontally()` 是否可以水平滚动
`boolean`	`canScrollVertically()` 是否可以垂直滚动
`android.graphics.PointF`	`computeScrollVectorForPosition(int targetPosition)` 计算到目标位置需要滚动的距离`RecyclerView.SmoothScroller.ScrollVectorProvider`
`android.view.View`	`findSnapView()` 获取需要对齐的View
`androidx.recyclerview.widget.RecyclerView.LayoutParams`	`generateDefaultLayoutParams()` 创建默认布局参数
`int`	`getOffsetX()` 获取当前 X 轴偏移量
`int`	`getOffsetY()` 获取当前 Y 轴偏移量
`boolean`	`isAllowContinuousScroll()` 是否允许连续滚动，默认为允许
`void`	`nextPage()` 下一页
`void`	`onAttachedToWindow(androidx.recyclerview.widget.RecyclerView view)`
`void`	`onLayoutChildren(androidx.recyclerview.widget.RecyclerView.Recycler recycler, androidx.recyclerview.widget.RecyclerView.State state)` 布局子View
`void`	`onLayoutCompleted(androidx.recyclerview.widget.RecyclerView.State state)` 布局结束
`void`	`onMeasure(androidx.recyclerview.widget.RecyclerView.Recycler recycler, androidx.recyclerview.widget.RecyclerView.State state, int widthMeasureSpec, int heightMeasureSpec)` 处理测量逻辑
`void`	`onScrollStateChanged(int state)` 监听滚动状态，滚动结束后通知当前选中的页面
`void`	`prePage()` 上一页
`int`	`scrollHorizontallyBy(int dx, androidx.recyclerview.widget.RecyclerView.Recycler recycler, androidx.recyclerview.widget.RecyclerView.State state)` 水平滚动
`void`	`scrollToPage(int pageIndex)` 滚动到指定页面
`void`	`scrollToPosition(int position)`
`int`	`scrollVerticallyBy(int dy, androidx.recyclerview.widget.RecyclerView.Recycler recycler, androidx.recyclerview.widget.RecyclerView.State state)` 垂直滚动
`void`	`setAllowContinuousScroll(boolean allowContinuousScroll)` 设置是否允许连续滚动
`void`	`setChangeSelectInScrolling(boolean changeSelectInScrolling)` 设置是否在滚动状态更新选中页码
`int`	`setOrientationType(int orientation)` 设置滚动方向
`void`	`setPageListener(PagerGridLayoutManager.PageListener pageListener)`
`void`	`smoothNextPage()` 平滑滚动到下一页
`void`	`smoothPrePage()` 平滑滚动到上一页
`void`	`smoothScrollToPage(int pageIndex)` 平滑滚动到指定页面
`void`	`smoothScrollToPosition(androidx.recyclerview.widget.RecyclerView recyclerView, androidx.recyclerview.widget.RecyclerView.State state, int position)`

从类继承的方法 androidx.recyclerview.widget.RecyclerView.LayoutManager
addDisappearingView, addDisappearingView, addView, addView, assertInLayoutOrScroll, assertNotInLayoutOrScroll, attachView, attachView, attachView, calculateItemDecorationsForChild, checkLayoutParams, chooseSize, collectAdjacentPrefetchPositions, collectInitialPrefetchPositions, computeHorizontalScrollExtent, computeHorizontalScrollOffset, computeHorizontalScrollRange, computeVerticalScrollExtent, computeVerticalScrollOffset, computeVerticalScrollRange, detachAndScrapAttachedViews, detachAndScrapView, detachAndScrapViewAt, detachView, detachViewAt, endAnimation, findContainingItemView, findViewByPosition, generateLayoutParams, generateLayoutParams, getBaseline, getBottomDecorationHeight, getChildAt, getChildCount, getChildMeasureSpec, getChildMeasureSpec, getClipToPadding, getColumnCountForAccessibility, getDecoratedBottom, getDecoratedBoundsWithMargins, getDecoratedLeft, getDecoratedMeasuredHeight, getDecoratedMeasuredWidth, getDecoratedRight, getDecoratedTop, getFocusedChild, getHeight, getHeightMode, getItemCount, getItemViewType, getLayoutDirection, getLeftDecorationWidth, getMinimumHeight, getMinimumWidth, getPaddingBottom, getPaddingEnd, getPaddingLeft, getPaddingRight, getPaddingStart, getPaddingTop, getPosition, getProperties, getRightDecorationWidth, getRowCountForAccessibility, getSelectionModeForAccessibility, getTopDecorationHeight, getTransformedBoundingBox, getWidth, getWidthMode, hasFocus, ignoreView, isAttachedToWindow, isAutoMeasureEnabled, isFocused, isItemPrefetchEnabled, isLayoutHierarchical, isMeasurementCacheEnabled, isSmoothScrolling, isViewPartiallyVisible, layoutDecorated, layoutDecoratedWithMargins, measureChild, measureChildWithMargins, moveView, offsetChildrenHorizontal, offsetChildrenVertical, onAdapterChanged, onAddFocusables, onDetachedFromWindow, onDetachedFromWindow, onFocusSearchFailed, onInitializeAccessibilityEvent, onInitializeAccessibilityEvent, onInitializeAccessibilityNodeInfo, onInitializeAccessibilityNodeInfoForItem, onInterceptFocusSearch, onItemsAdded, onItemsChanged, onItemsMoved, onItemsRemoved, onItemsUpdated, onItemsUpdated, onRequestChildFocus, onRequestChildFocus, onRestoreInstanceState, onSaveInstanceState, performAccessibilityAction, performAccessibilityActionForItem, postOnAnimation, removeAllViews, removeAndRecycleAllViews, removeAndRecycleView, removeAndRecycleViewAt, removeCallbacks, removeDetachedView, removeView, removeViewAt, requestChildRectangleOnScreen, requestChildRectangleOnScreen, requestLayout, requestSimpleAnimationsInNextLayout, setAutoMeasureEnabled, setItemPrefetchEnabled, setMeasuredDimension, setMeasuredDimension, setMeasurementCacheEnabled, startSmoothScroll, stopIgnoringView, supportsPredictiveItemAnimations

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 字段详细资料
  - VERTICAL
```
public static final int VERTICAL
```
    另请参阅:
    
    常量字段值
  - HORIZONTAL
```
public static final int HORIZONTAL
```
    另请参阅:
    
    常量字段值
- 构造器详细资料
  - PagerGridLayoutManager
```
public PagerGridLayoutManager(int rows,
                              int columns,
                              int orientation)
```
    构造函数
    
    参数:
    
    rows - 行数
    
    columns - 列数
    
    orientation - 方向
- 方法详细资料
  - onAttachedToWindow
```
public void onAttachedToWindow(androidx.recyclerview.widget.RecyclerView view)
```
    覆盖:
    
    onAttachedToWindow 在类中 androidx.recyclerview.widget.RecyclerView.LayoutManager
  - onLayoutChildren
```
public void onLayoutChildren(androidx.recyclerview.widget.RecyclerView.Recycler recycler,
                             androidx.recyclerview.widget.RecyclerView.State state)
```
    布局子View
    
    覆盖:
    
    onLayoutChildren 在类中 androidx.recyclerview.widget.RecyclerView.LayoutManager
    
    参数:
    
    recycler - Recycler
    
    state - State
  - onLayoutCompleted
```
public void onLayoutCompleted(androidx.recyclerview.widget.RecyclerView.State state)
```
    布局结束
    
    覆盖:
    
    onLayoutCompleted 在类中 androidx.recyclerview.widget.RecyclerView.LayoutManager
    
    参数:
    
    state - State
  - scrollHorizontallyBy
```
public int scrollHorizontallyBy(int dx,
                                androidx.recyclerview.widget.RecyclerView.Recycler recycler,
                                androidx.recyclerview.widget.RecyclerView.State state)
```
    水平滚动
    
    覆盖:
    
    scrollHorizontallyBy 在类中 androidx.recyclerview.widget.RecyclerView.LayoutManager
    
    参数:
    
    dx - 滚动距离
    
    recycler - 回收器
    
    state - 滚动状态
    
    返回:
    
    实际滚动距离
  - scrollVerticallyBy
```
public int scrollVerticallyBy(int dy,
                              androidx.recyclerview.widget.RecyclerView.Recycler recycler,
                              androidx.recyclerview.widget.RecyclerView.State state)
```
    垂直滚动
    
    覆盖:
    
    scrollVerticallyBy 在类中 androidx.recyclerview.widget.RecyclerView.LayoutManager
    
    参数:
    
    dy - 滚动距离
    
    recycler - 回收器
    
    state - 滚动状态
    
    返回:
    
    实际滚动距离
  - onScrollStateChanged
```
public void onScrollStateChanged(int state)
```
    监听滚动状态，滚动结束后通知当前选中的页面
    
    覆盖:
    
    onScrollStateChanged 在类中 androidx.recyclerview.widget.RecyclerView.LayoutManager
    
    参数:
    
    state - 滚动状态
  - generateDefaultLayoutParams
```
public androidx.recyclerview.widget.RecyclerView.LayoutParams generateDefaultLayoutParams()
```
    创建默认布局参数
    
    指定者:
    
    generateDefaultLayoutParams 在类中 androidx.recyclerview.widget.RecyclerView.LayoutManager
    
    返回:
    
    默认布局参数
  - onMeasure
```
public void onMeasure(androidx.recyclerview.widget.RecyclerView.Recycler recycler,
                      androidx.recyclerview.widget.RecyclerView.State state,
                      int widthMeasureSpec,
                      int heightMeasureSpec)
```
    处理测量逻辑
    
    覆盖:
    
    onMeasure 在类中 androidx.recyclerview.widget.RecyclerView.LayoutManager
    
    参数:
    
    recycler - RecyclerView
    
    state - 状态
    
    widthMeasureSpec - 宽度属性
    
    heightMeasureSpec - 高估属性
  - canScrollHorizontally
```
public boolean canScrollHorizontally()
```
    是否可以水平滚动
    
    覆盖:
    
    canScrollHorizontally 在类中 androidx.recyclerview.widget.RecyclerView.LayoutManager
    
    返回:
    
    true 是，false 不是。
  - canScrollVertically
```
public boolean canScrollVertically()
```
    是否可以垂直滚动
    
    覆盖:
    
    canScrollVertically 在类中 androidx.recyclerview.widget.RecyclerView.LayoutManager
    
    返回:
    
    true 是，false 不是。
  - getOffsetX
```
public int getOffsetX()
```
    获取当前 X 轴偏移量
    
    返回:
    
    X 轴偏移量
  - getOffsetY
```
public int getOffsetY()
```
    获取当前 Y 轴偏移量
    
    返回:
    
    Y 轴偏移量
  - computeScrollVectorForPosition
```
public android.graphics.PointF computeScrollVectorForPosition(int targetPosition)
```
    计算到目标位置需要滚动的距离RecyclerView.SmoothScroller.ScrollVectorProvider
    
    指定者:
    
    computeScrollVectorForPosition 在接口中 androidx.recyclerview.widget.RecyclerView.SmoothScroller.ScrollVectorProvider
    
    参数:
    
    targetPosition - 目标控件
    
    返回:
    
    需要滚动的距离
  - findSnapView
```
public android.view.View findSnapView()
```
    获取需要对齐的View
    
    返回:
    
    需要对齐的View
  - setChangeSelectInScrolling
```
public void setChangeSelectInScrolling(boolean changeSelectInScrolling)
```
    设置是否在滚动状态更新选中页码
    
    参数:
    
    changeSelectInScrolling - true：更新、false：不更新
  - setOrientationType
```
public int setOrientationType(int orientation)
```
    设置滚动方向
    
    参数:
    
    orientation - 滚动方向
    
    返回:
    
    最终的滚动方向
  - smoothScrollToPosition
```
public void smoothScrollToPosition(androidx.recyclerview.widget.RecyclerView recyclerView,
                                   androidx.recyclerview.widget.RecyclerView.State state,
                                   int position)
```
    覆盖:
    
    smoothScrollToPosition 在类中 androidx.recyclerview.widget.RecyclerView.LayoutManager
  - smoothPrePage
```
public void smoothPrePage()
```
    平滑滚动到上一页
  - smoothNextPage
```
public void smoothNextPage()
```
    平滑滚动到下一页
  - smoothScrollToPage
```
public void smoothScrollToPage(int pageIndex)
```
    平滑滚动到指定页面
    
    参数:
    
    pageIndex - 页面下标
  - scrollToPosition
```
public void scrollToPosition(int position)
```
    覆盖:
    
    scrollToPosition 在类中 androidx.recyclerview.widget.RecyclerView.LayoutManager
  - prePage
```
public void prePage()
```
    上一页
  - nextPage
```
public void nextPage()
```
    下一页
  - scrollToPage
```
public void scrollToPage(int pageIndex)
```
    滚动到指定页面
    
    参数:
    
    pageIndex - 页面下标
  - isAllowContinuousScroll
```
public boolean isAllowContinuousScroll()
```
    是否允许连续滚动，默认为允许
    
    返回:
    
    true 允许， false 不允许
  - setAllowContinuousScroll
```
public void setAllowContinuousScroll(boolean allowContinuousScroll)
```
    设置是否允许连续滚动
    
    参数:
    
    allowContinuousScroll - true 允许，false 不允许
  - setPageListener
```
public void setPageListener(PagerGridLayoutManager.PageListener pageListener)
```

类 PagerGridLayoutManager

嵌套类概要

从类继承的嵌套类/接口 androidx.recyclerview.widget.RecyclerView.LayoutManager

字段概要

构造器概要

方法概要

从类继承的方法 androidx.recyclerview.widget.RecyclerView.LayoutManager

从类继承的方法 java.lang.Object

字段详细资料

VERTICAL

HORIZONTAL

构造器详细资料

PagerGridLayoutManager

方法详细资料

onAttachedToWindow

onLayoutChildren

onLayoutCompleted

scrollHorizontallyBy

scrollVerticallyBy

onScrollStateChanged

generateDefaultLayoutParams

onMeasure

canScrollHorizontally

canScrollVertically

getOffsetX

getOffsetY

computeScrollVectorForPosition

findSnapView

setChangeSelectInScrolling

setOrientationType

smoothScrollToPosition

smoothPrePage

smoothNextPage

smoothScrollToPage

scrollToPosition

prePage

nextPage

scrollToPage

isAllowContinuousScroll

setAllowContinuousScroll

setPageListener