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AbstractMediaItemPresenter.ViewHolder

public static class AbstractMediaItemPresenter.ViewHolder
extends RowPresenter.ViewHolder

java.lang.Object
	android.support.v17.leanback.widget.Presenter.ViewHolder
		android.support.v17.leanback.widget.RowPresenter.ViewHolder
			android.support.v17.leanback.widget.AbstractMediaItemPresenter.ViewHolder

ViewHolder为AbstractMediaItemPresenter 。它引用了不同的视图，这些视图放置了与媒体项目细节，动作，选择器，监听器和演示者相对应的不同元数据，

摘要(Summary)

Inherited fields

From class android.support.v17.leanback.widget.RowPresenter.ViewHolder

From class android.support.v17.leanback.widget.Presenter.ViewHolder

Public constructors
`AbstractMediaItemPresenter.ViewHolder(View view)`

公共方法(Public methods)
`ViewGroup`	`getMediaItemActionsContainer()`
`View`	`getMediaItemDetailsView()`
`TextView`	`getMediaItemDurationView()`
`TextView`	`getMediaItemNameView()`
`TextView`	`getMediaItemNumberView()`
`MultiAction[]`	`getMediaItemRowActions()`
`View`	`getMediaItemRowSeparator()`
`View`	`getSelectorView()`
`void`	`notifyActionChanged(MultiActionsProvider.MultiAction action)` 通知此媒体行中的操作已更改，并且UI需要更新
`void`	`notifyDetailsChanged()` 通知行中媒体项目详细信息的内容已更改并触发更新UI。
`void`	`onBindRowActions()` 将媒体项目行对象中的操作绑定到其视图。

继承方法(Inherited methods)

From class android.support.v17.leanback.widget.RowPresenter.ViewHolder

From class android.support.v17.leanback.widget.Presenter.ViewHolder

From class java.lang.Object

From interface android.support.v17.leanback.widget.FacetProvider

Public constructors

AbstractMediaItemPresenter.ViewHolder

AbstractMediaItemPresenter.ViewHolder (View view)

参数(Parameters)
`view`	`View`

公共方法(Public methods)

getMediaItemActionsContainer

ViewGroup getMediaItemActionsContainer ()

返回(Returns)
`ViewGroup`	The view containing the set of custom actions

getMediaItemDetailsView

View getMediaItemDetailsView ()

返回(Returns)
`View`	The view container of track details

getMediaItemDurationView

TextView getMediaItemDurationView ()

返回(Returns)
`TextView`	The TextView responsible for rendering the track duration

getMediaItemNameView

TextView getMediaItemNameView ()

返回(Returns)
`TextView`	The TextView responsible for rendering the track name

getMediaItemNumberView

TextView getMediaItemNumberView ()

返回(Returns)
`TextView`	The TextView responsible for rendering the track number

getMediaItemRowActions

MultiAction[] getMediaItemRowActions ()

返回(Returns)
`MultiAction[]`

getMediaItemRowSeparator

View getMediaItemRowSeparator ()

返回(Returns)
`View`	The view responsible for rendering the separator line between media rows

getSelectorView

View getSelectorView ()

返回(Returns)
`View`	The SelectorView responsible for highlighting the in-focus view within each media item row

notifyActionChanged

void notifyActionChanged (MultiActionsProvider.MultiAction action)

通知此媒体行中的操作已更改，并且UI需要更新

参数(Parameters)
`action`	`MultiActionsProvider.MultiAction`: The action whose state has changed

notifyDetailsChanged

void notifyDetailsChanged ()

通知行中媒体项目详细信息的内容已更改并触发更新UI。这会导致用户提供的演示者上的onBindMediaDetails(ViewHolder, Object)被回叫，从而允许他们相应地更新UI。

onBindRowActions

void onBindRowActions ()

将媒体项目行对象中的操作绑定到其视图。这包括创建（或重复使用现有的）操作视图持有者，并将其填充到操作图标。