belongs to Maven artifact com.android.support:leanback-v17:28.0.0-alpha1
VerticalGridPresenter
public
class
VerticalGridPresenter
extends Presenter
| java.lang.Object | ||
| ↳ | android.support.v17.leanback.widget.Presenter | |
| ↳ | android.support.v17.leanback.widget.VerticalGridPresenter | |
A presenter that renders objects in a VerticalGridView.
Summary
Nested classes | |
|---|---|
class |
VerticalGridPresenter.ViewHolder
ViewHolder for the VerticalGridPresenter. |
Public constructors | |
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VerticalGridPresenter()
Constructs a VerticalGridPresenter with defaults. |
|
VerticalGridPresenter(int focusZoomFactor)
Constructs a VerticalGridPresenter with the given parameters. |
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VerticalGridPresenter(int focusZoomFactor, boolean useFocusDimmer)
Constructs a VerticalGridPresenter with the given parameters. |
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Public methods | |
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final
boolean
|
areChildRoundedCornersEnabled()
Returns true if rounded corners are enabled for children of this row. |
final
void
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enableChildRoundedCorners(boolean enable)
Enables or disabled rounded corners on children of this row. |
final
int
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getFocusZoomFactor()
Returns the zoom factor used for focus highlighting. |
final
boolean
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getKeepChildForeground()
Returns true if keeps foreground of child of this grid, the foreground will not be used for overlay color. |
int
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getNumberOfColumns()
Returns the number of columns in the vertical grid. |
final
OnItemViewClickedListener
|
getOnItemViewClickedListener()
Returns the item clicked listener. |
final
OnItemViewSelectedListener
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getOnItemViewSelectedListener()
Returns the item selected listener. |
final
boolean
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getShadowEnabled()
Returns true if child shadow is enabled. |
final
boolean
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isFocusDimmerUsed()
Returns true if the focus dimmer is used for focus highlighting; false otherwise. |
boolean
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isUsingDefaultShadow()
Default implementation returns true if SDK version >= 21, shadow (either static or z-order
based) will be applied to each individual child of |
boolean
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isUsingZOrder(Context context)
Returns true if SDK >= L, where Z shadow is enabled so that Z order is enabled on each child of vertical grid. |
void
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onBindViewHolder(Presenter.ViewHolder viewHolder, Object item)
Binds a |
final
VerticalGridPresenter.ViewHolder
|
onCreateViewHolder(ViewGroup parent)
Creates a new |
void
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onUnbindViewHolder(Presenter.ViewHolder viewHolder)
Unbinds a |
void
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setEntranceTransitionState(VerticalGridPresenter.ViewHolder holder, boolean afterEntrance)
Changes the visibility of views. |
final
void
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setKeepChildForeground(boolean keep)
Set if keeps foreground of child of this grid, the foreground will not be used for overlay color. |
void
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setNumberOfColumns(int numColumns)
Sets the number of columns in the vertical grid. |
final
void
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setOnItemViewClickedListener(OnItemViewClickedListener listener)
Sets the item clicked listener. |
final
void
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setOnItemViewSelectedListener(OnItemViewSelectedListener listener)
Sets the item selected listener. |
final
void
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setShadowEnabled(boolean enabled)
Enable or disable child shadow. |
Protected methods | |
|---|---|
VerticalGridPresenter.ViewHolder
|
createGridViewHolder(ViewGroup parent)
Subclass may override this to inflate a different layout. |
ShadowOverlayHelper.Options
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createShadowOverlayOptions()
Create ShadowOverlayHelper Options. |
void
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initializeGridViewHolder(VerticalGridPresenter.ViewHolder vh)
Called after a |
Inherited methods | |
|---|---|
From
class
android.support.v17.leanback.widget.Presenter
| |
From
class
java.lang.Object
| |
From
interface
android.support.v17.leanback.widget.FacetProvider
| |
Public constructors
VerticalGridPresenter
VerticalGridPresenter ()
Constructs a VerticalGridPresenter with defaults.
Uses ZOOM_FACTOR_MEDIUM for focus zooming and
enabled dimming on focus.
VerticalGridPresenter
VerticalGridPresenter (int focusZoomFactor)
Constructs a VerticalGridPresenter with the given parameters.
| Parameters | |
|---|---|
focusZoomFactor |
int: Controls the zoom factor used when an item view is focused. One of
ZOOM_FACTOR_NONE,
ZOOM_FACTOR_SMALL,
ZOOM_FACTOR_XSMALL,
ZOOM_FACTOR_MEDIUM,
ZOOM_FACTOR_LARGE
enabled dimming on focus.
|
VerticalGridPresenter
VerticalGridPresenter (int focusZoomFactor,
boolean useFocusDimmer)
Constructs a VerticalGridPresenter with the given parameters.
| Parameters | |
|---|---|
focusZoomFactor |
int: Controls the zoom factor used when an item view is focused. One of
ZOOM_FACTOR_NONE,
ZOOM_FACTOR_SMALL,
ZOOM_FACTOR_XSMALL,
ZOOM_FACTOR_MEDIUM,
ZOOM_FACTOR_LARGE |
useFocusDimmer |
boolean: determines if the FocusHighlighter will use the dimmer
|
Public methods
areChildRoundedCornersEnabled
boolean areChildRoundedCornersEnabled ()
Returns true if rounded corners are enabled for children of this row.
| Returns | |
|---|---|
boolean |
|
enableChildRoundedCorners
void enableChildRoundedCorners (boolean enable)
Enables or disabled rounded corners on children of this row. Supported on Android SDK >= L.
| Parameters | |
|---|---|
enable |
boolean |
getFocusZoomFactor
int getFocusZoomFactor ()
Returns the zoom factor used for focus highlighting.
| Returns | |
|---|---|
int |
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getKeepChildForeground
boolean getKeepChildForeground ()
Returns true if keeps foreground of child of this grid, the foreground will not be used for overlay color. Default value is true.
| Returns | |
|---|---|
boolean |
True if keeps foreground of child of this grid. |
getNumberOfColumns
int getNumberOfColumns ()
Returns the number of columns in the vertical grid.
| Returns | |
|---|---|
int |
|