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GuidedActionsStylist

public class GuidedActionsStylist
extends Object implements FragmentAnimationProvider

java.lang.Object
↳	android.support.v17.leanback.widget.GuidedActionsStylist

GuidedActionsStylist is used within a GuidedStepFragment to supply the right-side panel where users can take actions. It consists of a container for the list of actions, and a stationary selector view that indicates visually the location of focus. GuidedActionsStylist has two different layouts: default is for normal actions including text, radio, checkbox, DatePicker, etc, the other when setAsButtonActions() is called is recommended for button actions such as "yes", "no".

Many aspects of the base GuidedActionsStylist can be customized through theming; see the theme attributes below. Note that these attributes are not set on individual elements in layout XML, but instead would be set in a custom theme. See Styles and Themes for more information.

If these hooks are insufficient, this class may also be subclassed. Subclasses may wish to override the onProvideLayoutId() method to change the layout used to display the list container and selector; override onProvideItemLayoutId(int) and getItemViewType(GuidedAction) method to change the layout used to display each action.

To support a "click to activate" view similar to DatePicker, app needs:

Override onProvideItemLayoutId(int) and getItemViewType(GuidedAction), provides a layout id for the action.

The layout must include a widget with id "guidedactions_activator_item", the widget is toggled edit mode by setActivated(boolean).

Override onBindActivatorView(ViewHolder, GuidedAction) to populate values into View.

Override onUpdateActivatorView(ViewHolder, GuidedAction) to update action.

Note: If an alternate list layout is provided, the following view IDs must be supplied:

guidedactions_list

These view IDs must be present in order for the stylist to function. The list ID must correspond to a VerticalGridView or subclass.

If an alternate item layout is provided, the following view IDs should be used to refer to base elements:

These view IDs are allowed to be missing, in which case the corresponding views in GuidedActionsStylist.ViewHolder will be null.

In order to support editable actions, the view associated with guidedactions_item_title should be a subclass of EditText, and should satisfy the ImeKeyMonitor interface.

See also:

Summary

Nested classes
`class`	`GuidedActionsStylist.ViewHolder` ViewHolder caches information about the action item layouts' subviews.

XML attributes
`android.support.v17.leanback:guidedActionDescriptionMinLines`	Theme attribute used in a GuidedActionsPresenter for the max lines of the title text view when the action's isMultilineDescription is set to false.
`android.support.v17.leanback:guidedActionDisabledChevronAlpha`	Theme attribute used in a GuidedActionsPresenter for the alpha value of the chevron decoration when its action is disabled.
`android.support.v17.leanback:guidedActionEnabledChevronAlpha`	Theme attribute used in a GuidedActionsPresenter for the alpha value of the chevron decoration when its action is enabled.
`android.support.v17.leanback:guidedActionItemCheckmarkStyle`	Theme attribute for the style of an action's checkmark in a GuidedActionsPresenter.
`android.support.v17.leanback:guidedActionItemChevronStyle`	Theme attribute for the style of an action's chevron decoration in a GuidedActionsPresenter.
`android.support.v17.leanback:guidedActionItemContainerStyle`	Theme attribute for the style of the container of a single action in a GuidedActionsPresenter.
`android.support.v17.leanback:guidedActionItemContentStyle`	Theme attribute for the style of an action's content in a GuidedActionsPresenter.
`android.support.v17.leanback:guidedActionItemDescriptionStyle`	Theme attribute for the style of an action's description in a GuidedActionsPresenter.
`android.support.v17.leanback:guidedActionItemIconStyle`	Theme attribute for the style of an action's icon in a GuidedActionsPresenter.
`android.support.v17.leanback:guidedActionItemTitleStyle`	Theme attribute for the style of an action's title in a GuidedActionsPresenter.
`android.support.v17.leanback:guidedActionPressedAnimation`	Theme attribute for the animation used in a GuidedActionsPresenter when an action is pressed.
`android.support.v17.leanback:guidedActionTitleMaxLines`	Theme attribute used in a GuidedActionsPresenter for the max lines of the title text view when the action's isMultilineDescription is set to true.
`android.support.v17.leanback:guidedActionTitleMinLines`	Theme attribute used in a GuidedActionsPresenter for the max lines of the title text view when the action's isMultilineDescription is set to false.
`android.support.v17.leanback:guidedActionUnpressedAnimation`	Theme attribute for the animation used in a GuidedActionsPresenter when an action is unpressed.
`android.support.v17.leanback:guidedActionVerticalPadding`	Theme attribute used in a GuidedActionsPresenter for the vertical padding between action views in the list.
`android.support.v17.leanback:guidedActionsListStyle`	Theme attribute for the style of the list in a GuidedActionsPresenter.
`android.support.v17.leanback:guidedActionsSelectorDrawable`	Theme attribute for the style of the item selector in a GuidedActionsPresenter.
`android.support.v17.leanback:guidedButtonActionsListStyle`	Theme attribute for the style of the list in a GuidedActionsPresenter.
`android.support.v17.leanback:guidedStepImeAppearingAnimation`	Theme attribute for the animation used when a guided step element is animated in response to the IME appearing.
`android.support.v17.leanback:guidedStepImeDisappearingAnimation`	Theme attribute for the animation used when a guided step element is animated in response to the IME disappearing.
`android.support.v17.leanback:guidedSubActionsListStyle`	Theme attribute for the style of the sub actions list in a GuidedActionsPresenter.

Constants
`int`	`VIEW_TYPE_DATE_PICKER` ViewType for DatePicker.
`int`	`VIEW_TYPE_DEFAULT` Default viewType that associated with default layout Id for the action item.

Public constructors
`GuidedActionsStylist()`

Public methods
`VerticalGridView`	`getActionsGridView()` Returns the VerticalGridView that displays the list of GuidedActions.
`GuidedAction`	`getExpandedAction()`
`int`	`getItemViewType(GuidedAction action)` Return view type of action, each different type can have differently associated layout Id.
`VerticalGridView`	`getSubActionsGridView()` Returns the VerticalGridView that displays the sub actions list of an expanded action.
`boolean`	`isButtonActions()` Returns true if it is button actions list, false for normal actions list.
`boolean`	`isExpandTransitionSupported()` Returns if expand/collapse animation is supported.
`boolean`	`isInExpandTransition()` Returns true if it is running an expanding or collapsing transition, false otherwise.
`boolean`	`isSubActionsExpanded()`
`void`	`onAnimateItemChecked(GuidedActionsStylist.ViewHolder vh, boolean checked)` Animates the view holder's view (or subviews thereof) when the action has had its check state changed.
`void`	`onAnimateItemFocused(GuidedActionsStylist.ViewHolder vh, boolean focused)` Animates the view holder's view (or subviews thereof) when the action has had its focus state changed.
`void`	`onAnimateItemPressed(GuidedActionsStylist.ViewHolder vh, boolean pressed)` Animates the view holder's view (or subviews thereof) when the action has had its press state changed.
`void`	`onAnimateItemPressedCancelled(GuidedActionsStylist.ViewHolder vh)` Resets the view holder's view to unpressed state.
`void`	`onBindActivatorView(GuidedActionsStylist.ViewHolder vh, GuidedAction action)` Performs binding activator view value to action.
`void`	`onBindCheckMarkView(GuidedActionsStylist.ViewHolder vh, GuidedAction action)` Sets states of check mark view, called by `onBindViewHolder(ViewHolder, GuidedAction)` when action's checkset Id is other than `NO_CHECK_SET`.
`void`	`onBindChevronView(GuidedActionsStylist.ViewHolder vh, GuidedAction action)` Sets states of chevron view, called by `onBindViewHolder(ViewHolder, GuidedAction)`.
`void`	`onBindViewHolder(GuidedActionsStylist.ViewHolder vh, GuidedAction action)` Binds a `GuidedActionsStylist.ViewHolder` to a particular `GuidedAction`.
`View`	`onCreateView(LayoutInflater inflater, ViewGroup container)` Creates a view appropriate for displaying a list of GuidedActions, using the provided inflater and container.
`GuidedActionsStylist.ViewHolder`	`onCreateViewHolder(ViewGroup parent, int viewType)` Constructs a `GuidedActionsStylist.ViewHolder` capable of representing `GuidedAction`s.
`GuidedActionsStylist.ViewHolder`	`onCreateViewHolder(ViewGroup parent)` Constructs a `GuidedActionsStylist.ViewHolder` capable of representing `GuidedAction`s.
`void`	`onDestroyView()` Called when destroy the View created by GuidedActionsStylist.
`void`	`onImeAppearing(List<Animator> animators)` Animates the fragment in response to the IME appearing.
`void`	`onImeDisappearing(List<Animator> animators)` Animates the fragment in response to the IME disappearing.
`int`	`onProvideItemLayoutId()` Provides the resource ID of the layout defining the view for an individual guided actions.
`int`	`onProvideItemLayoutId(int viewType)` Provides the resource ID of the layout defining the view for an individual guided actions.
`int`	`onProvideLayoutId()` Provides the resource ID of the layout defining the host view for the list of guided actions.
`boolean`	`onUpdateActivatorView(GuidedActionsStylist.ViewHolder vh, GuidedAction action)` Performs updating GuidedAction from activator view.
`void`	`onUpdateExpandedViewHolder(GuidedActionsStylist.ViewHolder avh)` Expand or collapse GuidedActionStylist.
`void`	`setAsButtonActions()` Choose the layout resource for button actions in `onProvideLayoutId()`.
`void`	`setEditingMode(GuidedActionsStylist.ViewHolder vh, GuidedAction action, boolean editing)`
`void`	`setExpandedViewHolder(GuidedActionsStylist.ViewHolder avh)` Expands or collapse the sub actions list view.
`void`	`startExpandedTransition(GuidedActionsStylist.ViewHolder avh)` Start transition to expand or collapse GuidedActionStylist.

Protected methods
`void`	`onEditingModeChange(GuidedActionsStylist.ViewHolder vh, GuidedAction action, boolean editing)`
`void`	`setupImeOptions(GuidedActionsStylist.ViewHolder vh, GuidedAction action)` Called by `onBindViewHolder(ViewHolder, GuidedAction)` to setup IME options.

Inherited methods

From class


  
    java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long millis, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long millis)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

From interface


  
    android.support.v17.leanback.widget.FragmentAnimationProvider

XML attributes

android.support.v17.leanback:guidedActionDescriptionMinLines

Theme attribute used in a GuidedActionsPresenter for the max lines of the title text view when the action's isMultilineDescription is set to false. Default is lb_guidedactions_item_description_min_lines.