public
abstract
class
AbstractMediaListHeaderPresenter
extends RowPresenter
| java.lang.Object | |||
| ↳ | android.support.v17.leanback.widget.Presenter | ||
| ↳ | android.support.v17.leanback.widget.RowPresenter | ||
| ↳ | android.support.v17.leanback.widget.AbstractMediaListHeaderPresenter | ||
Abstract presenter class for rendering the header for a list of media items in a playlist.
The presenter creates a AbstractMediaListHeaderPresenter.ViewHolder for the TextView holding the header text.
Subclasses of this class must override onBindMediaListHeaderViewHolder(ViewHolder, Object) in order to bind their header text to
the media list header view.
AbstractMediaItemPresenter can be used in conjunction with this presenter in order to
display a playlist with a header view.
Nested classes | |
|---|---|
class |
AbstractMediaListHeaderPresenter.ViewHolder
The ViewHolder for the |
Inherited constants |
|---|
 From
class
android.support.v17.leanback.widget.RowPresenter
|
Public constructors | |
|---|---|
AbstractMediaListHeaderPresenter(Context context, int mThemeResId)
Constructor used for creating an abstract media-list header presenter of a given theme. |
|
AbstractMediaListHeaderPresenter()
Constructor used for creating an abstract media-list header presenter. |
|
Public methods | |
|---|---|
boolean
|
isUsingDefaultSelectEffect()
Returns true if this RowPresenter is using the default dimming effect. |
void
|
setBackgroundColor(int color)
Sets the background color for the row views within the playlist. |
Protected methods | |
|---|---|
RowPresenter.ViewHolder
|
createRowViewHolder(ViewGroup parent)
Called to create a ViewHolder object for a Row. |
abstract
void
|
onBindMediaListHeaderViewHolder(AbstractMediaListHeaderPresenter.ViewHolder vh, Object item)
Binds the playlist header data model provided by the user to the |
void
|
onBindRowViewHolder(RowPresenter.ViewHolder vh, Object item)
Binds the given row object to the given ViewHolder. |
Inherited methods | |
|---|---|
From
class
android.support.v17.leanback.widget.RowPresenter
| |
From
class
android.support.v17.leanback.widget.Presenter
| |
From
class
java.lang.Object
| |
From
interface
android.support.v17.leanback.widget.FacetProvider
| |
AbstractMediaListHeaderPresenter (Context context, int mThemeResId)
Constructor used for creating an abstract media-list header presenter of a given theme.
| Parameters | |
|---|---|
context |
Context:
The context the user of this presenter is running in. |
mThemeResId |
int:
The resource id of the desired theme used for styling of this presenter.
|
AbstractMediaListHeaderPresenter ()
Constructor used for creating an abstract media-list header presenter.
The styling for this presenter is extracted from Context of parent in
createRowViewHolder(ViewGroup).
boolean isUsingDefaultSelectEffect ()
Returns true if this RowPresenter is using the default dimming effect.
A subclass may (most likely) return false and
override onSelectLevelChanged(ViewHolder).
| Returns | |
|---|---|
boolean |
|
void setBackgroundColor (int color)
Sets the background color for the row views within the playlist. If this is not set, a default color, defaultBrandColor, from theme is used. This defaultBrandColor defaults to android:attr/colorPrimary on v21, if it's specified.
| Parameters | |
|---|---|
color |
int:
The ARGB color used to set as the header text background color.
|
RowPresenter.ViewHolder createRowViewHolder (ViewGroup parent)
Called to create a ViewHolder object for a Row. Subclasses will override this method to return a different concrete ViewHolder object.
| Parameters | |
|---|---|
parent |
ViewGroup:
The parent View for the Row's view holder. |
| Returns | |
|---|---|
RowPresenter.ViewHolder |
A ViewHolder for the Row's View. |
void onBindMediaListHeaderViewHolder (AbstractMediaListHeaderPresenter.ViewHolder vh, Object item)
Binds the playlist header data model provided by the user to the AbstractMediaListHeaderPresenter.ViewHolder
provided by the AbstractMediaListHeaderPresenter.
The subclasses of this presenter can access and bind the text view corresponding to the
header by calling getHeaderView(), on the
AbstractMediaListHeaderPresenter.ViewHolder provided as the argument vh by this presenter.
| Parameters | |
|---|---|
vh |
AbstractMediaListHeaderPresenter.ViewHolder:
The ViewHolder for this AbstractMediaListHeaderPresenter. |
item |
Object:
The header data object being presented.
|
void onBindRowViewHolder (RowPresenter.ViewHolder vh, Object item)
Binds the given row object to the given ViewHolder.
Derived classes of RowPresenter overriding
onBindRowViewHolder(ViewHolder, Object) must call through the super class's
implementation of this method.
| Parameters | |
|---|---|
vh |
RowPresenter.ViewHolder
|
item |
Object
|
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