ViewHolder

Kotlin |Java

open class ViewHolder : PlaybackRowPresenter.ViewHolder, PlaybackSeekUi

kotlin.Any
↳	androidx.leanback.widget.Presenter.ViewHolder
	↳	androidx.leanback.widget.RowPresenter.ViewHolder
		↳	androidx.leanback.widget.PlaybackRowPresenter.ViewHolder
			↳	androidx.leanback.widget.PlaybackTransportRowPresenter.ViewHolder

A ViewHolder for the PlaybackControlsRow supporting seek UI.

Summary

Public constructors
`<init>(rootView: View!, descriptionPresenter: Presenter!)` Constructor of ViewHolder of PlaybackTransportRowPresenter

Public methods
TextView!	`getCurrentPositionView()` Returns the TextView that showing current position label.
Presenter.ViewHolder!	`getDescriptionViewHolder()`
TextView!	`getDurationView()` Returns the TextView that showing total time label.
open Unit	`setPlaybackSeekUiClient(client: PlaybackSeekUi.Client!)`

Protected methods
open Unit	`onSetCurrentPositionLabel(currentTimeMs: Long)` Called to update current time label.
open Unit	`onSetDurationLabel(totalTimeMs: Long)` Called to update total time label.

ViewHolder(
    rootView: View!, 
    descriptionPresenter: Presenter!)

Constructor of ViewHolder of PlaybackTransportRowPresenter

Parameters
`rootView`	View!: Root view of the ViewHolder.
`descriptionPresenter`	Presenter!: The presenter that will be used to create description ViewHolder. The description view will be added into tree.

fun getCurrentPositionView(): TextView!

Returns the TextView that showing current position label. This method might be used in onSetCurrentPositionLabel.

Return
`TextView!`	The TextView that showing current position label.

fun getDescriptionViewHolder(): Presenter.ViewHolder!

Return
`Presenter.ViewHolder!`	The ViewHolder for description.

fun getDurationView(): TextView!

Returns the TextView that showing total time label. This method might be used in onSetDurationLabel.

Return
`TextView!`	The TextView that showing total time label.

open fun setPlaybackSeekUiClient(client: PlaybackSeekUi.Client!): Unit

protected open fun onSetCurrentPositionLabel(currentTimeMs: Long): Unit

Called to update current time label. Default implementation updates the TextView getCurrentPositionView. Subclass might override.

Parameters
`currentTimeMs`	Long: Current playback position in milliseconds.

protected open fun onSetDurationLabel(totalTimeMs: Long): Unit

Called to update total time label. Default implementation updates the TextView getDurationView(). Subclass might override.

Parameters
`totalTimeMs`	Long: Total duration of the media in milliseconds.