Compartilhar via


PreferenceCategory Class

Definition

Used to group Preference objects and provide a disabled title above the group.

[Android.Runtime.Register("android/preference/PreferenceCategory", DoNotGenerateAcw=true)]
public class PreferenceCategory : Android.Preferences.PreferenceGroup
[<Android.Runtime.Register("android/preference/PreferenceCategory", DoNotGenerateAcw=true)>]
type PreferenceCategory = class
    inherit PreferenceGroup
Inheritance
Attributes

Remarks

Used to group Preference objects and provide a disabled title above the group.

<div class="special reference"> <h3>Developer Guides</h3>

For information about building a settings UI with Preferences, read the Settings guide.

</div>

This member is deprecated. Use the AndroidX Preference Library for consistent behavior across all devices. For more information on using the AndroidX Preference Library see Settings.

Java documentation for android.preference.PreferenceCategory.

Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.

Constructors

PreferenceCategory(Context, IAttributeSet, Int32, Int32)
PreferenceCategory(Context, IAttributeSet, Int32)
PreferenceCategory(Context, IAttributeSet)
PreferenceCategory(Context)
PreferenceCategory(IntPtr, JniHandleOwnership)

A constructor used when creating managed representations of JNI objects; called by the runtime.

Fields

DefaultOrder

Specify for #setOrder(int) if a specific order is not required.

(Inherited from Preference)

Properties

Class

Returns the runtime class of this Object.

(Inherited from Object)
Context

Returns the android.content.Context of this Preference.

(Inherited from Preference)
Dependency

Returns the key of the dependency on this Preference. -or- Sets the key of a Preference that this Preference will depend on.

(Inherited from Preference)
Editor

Returns an SharedPreferences.Editor where this Preference can save its value(s).

(Inherited from Preference)
Enabled

Checks whether this Preference should be enabled in the list. -or- Sets whether this Preference is enabled.

(Inherited from Preference)
Extras

Return the extras Bundle object associated with this preference, creating a new Bundle if there currently isn't one.

(Inherited from Preference)
Fragment

Return the fragment class name associated with this Preference. -or- Sets the class name of a fragment to be shown when this Preference is clicked.

(Inherited from Preference)
Handle

The handle to the underlying Android instance.

(Inherited from Object)
HasKey

Checks whether this Preference has a valid key.

(Inherited from Preference)
Icon

Returns the icon of this Preference. -or- Sets the icon for this Preference with a Drawable.

(Inherited from Preference)
IconSpaceReserved

Gets whether the space this preference icon view is reserved. -or- Sets whether to reserve the space of this Preference icon view when no icon is provided.

(Inherited from Preference)
Intent

Return the Intent associated with this Preference. -or- Sets an Intent to be used for Context#startActivity(Intent) when this Preference is clicked.

(Inherited from Preference)
IsOnSameScreenAsChildren

Whether this preference group should be shown on the same screen as its contained preferences.

(Inherited from PreferenceGroup)
JniIdentityHashCode (Inherited from Object)
JniPeerMembers
Key

Gets the key for this Preference, which is also the key used for storing values into SharedPreferences or PreferenceDataStore. -or- Sets the key for this Preference, which is used as a key to the SharedPreferences or PreferenceDataStore.

(Inherited from Preference)
LayoutResource

Gets the layout resource that will be shown as the View for this Preference. -or- Sets the layout resource that is inflated as the View to be shown for this Preference.

(Inherited from Preference)
OnPreferenceChangeListener

Returns the callback to be invoked when this Preference is changed by the user (but before the internal state has been updated). -or- Sets the callback to be invoked when this Preference is changed by the user (but before the internal state has been updated).

(Inherited from Preference)
OnPreferenceClickListener

Returns the callback to be invoked when this Preference is clicked. -or- Sets the callback to be invoked when this Preference is clicked.

(Inherited from Preference)
Order

Gets the order of this Preference with respect to other Preference objects on the same level. -or- Sets the order of this Preference with respect to other Preference objects on the same level.

(Inherited from Preference)
OrderingAsAdded

Whether this group is ordering preferences in the order they are added. -or- Whether to order the Preference children of this group as they are added.

(Inherited from PreferenceGroup)
Parent

Returns the PreferenceGroup which is this Preference assigned to or null if this preference is not assigned to any group or is a root Preference.

(Inherited from Preference)
PeerReference (Inherited from Object)
Persistent

Checks whether this Preference is persistent. -or- Sets whether this Preference is persistent.

(Inherited from Preference)
PreferenceCount

Returns the number of children Preferences.

(Inherited from PreferenceGroup)
PreferenceDataStore

Returns PreferenceDataStore used by this Preference. -or- Sets a PreferenceDataStore to be used by this Preference instead of using android.content.SharedPreferences.

(Inherited from Preference)
PreferenceManager

Gets the PreferenceManager that manages this Preference object's tree.

(Inherited from Preference)
RecycleEnabled

Checks whether this Preference has enabled to have its view recycled when used in the list view. -or- Sets whether this Preference has enabled to have its view recycled when used in the list view.

(Inherited from Preference)
Selectable

Checks whether this Preference should be selectable in the list. -or- Sets whether this Preference is selectable.

(Inherited from Preference)
SharedPreferences

Returns the SharedPreferences where this Preference can read its value(s).

(Inherited from Preference)
ShouldDisableView

Checks whether this Preference should disable its view when it's action is disabled. -or- Sets whether this Preference should disable its view when it gets disabled.

(Inherited from Preference)
SingleLineTitle

Gets whether the title of this preference is constrained to a single line. -or- Sets whether to constrain the title of this Preference to a single line instead of letting it wrap onto multiple lines.

(Inherited from Preference)
Summary (Inherited from Preference)
SummaryFormatted

Returns the summary of this Preference. -or- Sets the summary for this Preference with a CharSequence.

(Inherited from Preference)
ThresholdClass

This API supports the Mono for Android infrastructure and is not intended to be used directly from your code.

ThresholdType

This API supports the Mono for Android infrastructure and is not intended to be used directly from your code.

Title (Inherited from Preference)
TitleFormatted

Returns the title of this Preference. -or- Sets the title for this Preference with a CharSequence.

(Inherited from Preference)
TitleRes

Returns the title resource ID of this Preference.

(Inherited from Preference)
WidgetLayoutResource

Gets the layout resource for the controllable widget portion of this Preference. -or- Sets the layout for the controllable widget portion of this Preference.

(Inherited from Preference)

Methods

AddItemFromInflater(Preference)

Called by the inflater to add an item to this group.

(Inherited from PreferenceGroup)
AddPreference(Preference)

Adds a Preference at the correct position based on the preference's order.

(Inherited from PreferenceGroup)
CallChangeListener(Object)

Call this method after the user changes the preference, but before the internal state is set.

(Inherited from Preference)
Clone()

Creates and returns a copy of this object.

(Inherited from Object)
CompareTo(Preference)

Compares Preference objects based on order (if set), otherwise alphabetically on the titles.

(Inherited from Preference)
DispatchRestoreInstanceState(Bundle)

Called by RestoreHierarchyState(Bundle) to retrieve the saved state for this Preference and its children.

(Inherited from PreferenceGroup)
DispatchSaveInstanceState(Bundle)

Called by SaveHierarchyState(Bundle) to store the instance for this Preference and its children.

(Inherited from PreferenceGroup)
Dispose() (Inherited from Object)
Dispose(Boolean) (Inherited from Object)
Equals(Object)

Indicates whether some other object is "equal to" this one.

(Inherited from Object)
FindPreference(ICharSequence)

Finds a Preference based on its key.

(Inherited from PreferenceGroup)
FindPreference(String)

Finds a Preference based on its key.

(Inherited from PreferenceGroup)
FindPreferenceInHierarchy(String)

Finds a Preference in this hierarchy (the whole thing, even above/below your PreferenceScreen screen break) with the given key.

(Inherited from Preference)
GetHashCode()

Returns a hash code value for the object.

(Inherited from Object)
GetPersistedBoolean(Boolean)

Attempts to get a persisted boolean if this Preference is persistent.

(Inherited from Preference)
GetPersistedFloat(Single)

Attempts to get a persisted float if this Preference is persistent.

(Inherited from Preference)
GetPersistedInt(Int32)

Attempts to get a persisted int if this Preference is persistent.

(Inherited from Preference)
GetPersistedLong(Int64)

Attempts to get a persisted long if this Preference is persistent.

(Inherited from Preference)
GetPersistedString(String)

Attempts to get a persisted String if this Preference is persistent.

(Inherited from Preference)
GetPersistedStringSet(ICollection<String>)

Attempts to get a persisted set of Strings if this Preference is persistent.

(Inherited from Preference)
GetPreference(Int32)

Returns the Preference at a particular index.

(Inherited from PreferenceGroup)
GetView(View, ViewGroup)

Gets the View that will be shown in the PreferenceActivity.

(Inherited from Preference)
JavaFinalize()

Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.

(Inherited from Object)
Notify()

Wakes up a single thread that is waiting on this object's monitor.

(Inherited from Object)
NotifyAll()

Wakes up all threads that are waiting on this object's monitor.

(Inherited from Object)
NotifyChanged()

Should be called when the data of this Preference has changed.

(Inherited from Preference)
NotifyDependencyChange(Boolean)

Notifies any listening dependents of a change that affects the dependency.

(Inherited from Preference)
NotifyHierarchyChanged()

Should be called when a Preference has been added/removed from this group, or the ordering should be re-evaluated.

(Inherited from Preference)
OnAttachedToActivity()

Called when the Preference hierarchy has been attached to the PreferenceActivity.

(Inherited from Preference)
OnAttachedToHierarchy(PreferenceManager)

Called when this Preference has been attached to a Preference hierarchy.

(Inherited from Preference)
OnBindView(View)

Binds the created View to the data for this Preference.

(Inherited from Preference)
OnClick()

Processes a click on the preference.

(Inherited from Preference)
OnCreateView(ViewGroup)

Creates the View to be shown for this Preference in the PreferenceActivity.

(Inherited from Preference)
OnDependencyChanged(Preference, Boolean)

Called when the dependency changes.

(Inherited from Preference)
OnGetDefaultValue(TypedArray, Int32)

Called when a Preference is being inflated and the default value attribute needs to be read.

(Inherited from Preference)
OnParentChanged(Preference, Boolean)

Called when the implicit parent dependency changes.

(Inherited from Preference)
OnPrepareAddPreference(Preference)

Prepares a Preference to be added to the group.

(Inherited from PreferenceGroup)
OnPrepareForRemoval()

Called when this Preference is being removed from the hierarchy.

(Inherited from Preference)
OnRestoreInstanceState(IParcelable)

Hook allowing a Preference to re-apply a representation of its internal state that had previously been generated by #onSaveInstanceState.

(Inherited from Preference)
OnSaveInstanceState()

Hook allowing a Preference to generate a representation of its internal state that can later be used to create a new instance with that same state.

(Inherited from Preference)
OnSetInitialValue(Boolean, Object)

Implement this to set the initial value of the Preference.

(Inherited from Preference)
PeekExtras()

Return the extras Bundle object associated with this preference, returning null if there is not currently one.

(Inherited from Preference)
PersistBoolean(Boolean)

Attempts to persist a boolean if this Preference is persistent.

(Inherited from Preference)
PersistFloat(Single)

Attempts to persist a long if this Preference is persistent.

(Inherited from Preference)
PersistInt(Int32)

Attempts to persist an int if this Preference is persistent.

(Inherited from Preference)
PersistLong(Int64)

Attempts to persist a long if this Preference is persistent.

(Inherited from Preference)
PersistString(String)

Attempts to persist a String if this Preference is persistent.

(Inherited from Preference)
PersistStringSet(ICollection<String>)

Attempts to persist a set of Strings if this Preference is persistent.

(Inherited from Preference)
RemoveAll()

Removes all Preference Preferences from this group.

(Inherited from PreferenceGroup)
RemovePreference(Preference)

Removes a Preference from this group.

(Inherited from PreferenceGroup)
RestoreHierarchyState(Bundle)

Restore this Preference hierarchy's previously saved state from the given container.

(Inherited from Preference)
SaveHierarchyState(Bundle)

Store this Preference hierarchy's frozen state into the given container.

(Inherited from Preference)
SetDefaultValue(Object)

Sets the default value for this Preference, which will be set either if persistence is off or persistence is on and the preference is not found in the persistent storage.

(Inherited from Preference)
SetHandle(IntPtr, JniHandleOwnership)

Sets the Handle property.

(Inherited from Object)
SetIcon(Int32)

Sets the icon for this Preference with a resource ID.

(Inherited from Preference)
SetSummary(Int32)

Sets the summary for this Preference with a resource ID.

(Inherited from Preference)
SetTitle(Int32)

Sets the title for this Preference with a resource ID.

(Inherited from Preference)
ShouldCommit()

Returns whether the Preference should commit its saved value(s) in #getEditor().

(Inherited from Preference)
ShouldDisableDependents()

Checks whether this preference's dependents should currently be disabled.

(Inherited from Preference)
ShouldPersist()

Checks whether, at the given time this method is called, this Preference should store/restore its value(s) into the SharedPreferences or into PreferenceDataStore if assigned.

(Inherited from Preference)
ToArray<T>() (Inherited from Object)
ToString()

Returns a string representation of the object.

(Inherited from Object)
UnregisterFromRuntime() (Inherited from Object)
Wait()

Causes the current thread to wait until it is awakened, typically by being <em>notified</em> or <em>interrupted</em>.

(Inherited from Object)
Wait(Int64, Int32)

Causes the current thread to wait until it is awakened, typically by being <em>notified</em> or <em>interrupted</em>, or until a certain amount of real time has elapsed.

(Inherited from Object)
Wait(Int64)

Causes the current thread to wait until it is awakened, typically by being <em>notified</em> or <em>interrupted</em>, or until a certain amount of real time has elapsed.

(Inherited from Object)

Events

PreferenceChange (Inherited from Preference)
PreferenceClick (Inherited from Preference)

Explicit Interface Implementations

IComparable.CompareTo(Object) (Inherited from Preference)
IJavaPeerable.Disposed() (Inherited from Object)
IJavaPeerable.DisposeUnlessReferenced() (Inherited from Object)
IJavaPeerable.Finalized() (Inherited from Object)
IJavaPeerable.JniManagedPeerState (Inherited from Object)
IJavaPeerable.SetJniIdentityHashCode(Int32) (Inherited from Object)
IJavaPeerable.SetJniManagedPeerState(JniManagedPeerStates) (Inherited from Object)
IJavaPeerable.SetPeerReference(JniObjectReference) (Inherited from Object)

Extension Methods

JavaCast<TResult>(IJavaObject)

Performs an Android runtime-checked type conversion.

JavaCast<TResult>(IJavaObject)
GetJniTypeName(IJavaPeerable)

Applies to