Most visited

Recently visited

Results for

Added in API level 1

DialogPreference

public abstract class DialogPreference
extends Preference implements DialogInterface.OnClickListener, DialogInterface.OnDismissListener, PreferenceManager.OnActivityDestroyListener

java.lang.Object
↳	android.preference.Preference
	↳	android.preference.DialogPreference

Known Direct Subclasses

EditTextPreference, ListPreference, MultiSelectListPreference

A base class for Preference objects that are dialog-based. These preferences will, when clicked, open a dialog showing the actual preference controls.

Summary

XML attributes
`android:dialogIcon`	The icon for the dialog.
`android:dialogLayout`	A layout to be used as the content View for the dialog.
`android:dialogMessage`	The message in the dialog.
`android:dialogTitle`	The title in the dialog.
`android:negativeButtonText`	The negative button text for the dialog.
`android:positiveButtonText`	The positive button text for the dialog.

Inherited XML attributes

From class


  android.preference.Preference

`android:defaultValue`	The default value for the preference, which will be set either if persistence is off or persistence is on and the preference is not found in the persistent storage.
`android:dependency`	The key of another Preference that this Preference will depend on.
`android:enabled`	Whether the Preference is enabled.
`android:fragment`	When used inside of a modern PreferenceActivity, this declares a new PreferenceFragment to be shown when the user selects this item.
`android:icon`	The optional icon for the preference Must be a reference to another resource, in the form "`@[+][package:]type:name`" or to a theme attribute in the form "`?[package:][type:]name`".
`android:key`	The key to store the Preference value.
`android:layout`	The layout for the Preference in a PreferenceActivity screen.
`android:order`	The order for the Preference (lower values are to be ordered first).
`android:persistent`	Whether the Preference stores its value to the shared preferences.
`android:selectable`	Whether the Preference is selectable.
`android:shouldDisableView`	Whether the view of this Preference should be disabled when this Preference is disabled.
`android:summary`	The summary for the Preference in a PreferenceActivity screen.
`android:title`	The title for the Preference in a PreferenceActivity screen.
`android:widgetLayout`	The layout for the controllable widget portion of a Preference.

Inherited constants

From class


    android.preference.Preference

Public constructors
`DialogPreference(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)`
`DialogPreference(Context context, AttributeSet attrs, int defStyleAttr)`
`DialogPreference(Context context, AttributeSet attrs)`
`DialogPreference(Context context)`

Public methods
`Dialog`	`getDialog()` Gets the dialog that is shown by this preference.
`Drawable`	`getDialogIcon()` Returns the icon to be shown on subsequent dialogs.
`int`	`getDialogLayoutResource()` Returns the layout resource that is used as the content View for subsequent dialogs.
`CharSequence`	`getDialogMessage()` Returns the message to be shown on subsequent dialogs.
`CharSequence`	`getDialogTitle()` Returns the title to be shown on subsequent dialogs.
`CharSequence`	`getNegativeButtonText()` Returns the text of the negative button to be shown on subsequent dialogs.
`CharSequence`	`getPositiveButtonText()` Returns the text of the positive button to be shown on subsequent dialogs.
`void`	`onActivityDestroy()` See Activity's onDestroy.
`void`	`onClick(DialogInterface dialog, int which)` This method will be invoked when a button in the dialog is clicked.
`void`	`onDismiss(DialogInterface dialog)` This method will be invoked when the dialog is dismissed.
`void`	`setDialogIcon(int dialogIconRes)` Sets the icon (resource ID) of the dialog.
`void`	`setDialogIcon(Drawable dialogIcon)` Sets the icon of the dialog.
`void`	`setDialogLayoutResource(int dialogLayoutResId)` Sets the layout resource that is inflated as the `View` to be shown as the content View of subsequent dialogs.
`void`	`setDialogMessage(CharSequence dialogMessage)` Sets the message of the dialog.
`void`	`setDialogMessage(int dialogMessageResId)`
`void`	`setDialogTitle(int dialogTitleResId)`
`void`	`setDialogTitle(CharSequence dialogTitle)` Sets the title of the dialog.
`void`	`setNegativeButtonText(CharSequence negativeButtonText)` Sets the text of the negative button of the dialog.
`void`	`setNegativeButtonText(int negativeButtonTextResId)`
`void`	`setPositiveButtonText(int positiveButtonTextResId)`
`void`	`setPositiveButtonText(CharSequence positiveButtonText)` Sets the text of the positive button of the dialog.

Protected methods
`void`	`onBindDialogView(View view)` Binds views in the content View of the dialog to data.
`void`	`onClick()` Processes a click on the preference.
`View`	`onCreateDialogView()` Creates the content view for the dialog (if a custom content view is required).
`void`	`onDialogClosed(boolean positiveResult)` Called when the dialog is dismissed and should be used to save data to the `SharedPreferences`.
`void`	`onPrepareDialogBuilder(AlertDialog.Builder builder)` Prepares the dialog builder to be shown when the preference is clicked.
`void`	`onRestoreInstanceState(Parcelable state)` Hook allowing a Preference to re-apply a representation of its internal state that had previously been generated by `onSaveInstanceState()`.
`Parcelable`	`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.
`void`	`showDialog(Bundle state)` Shows the dialog associated with this Preference.

Inherited methods

From class


  
    android.preference.Preference

`boolean`	`callChangeListener(Object newValue)` Call this method after the user changes the preference, but before the internal state is set.
`int`	`compareTo(Preference another)` Compares Preference objects based on order (if set), otherwise alphabetically on the titles.
`Preference`	`findPreferenceInHierarchy(String key)` Finds a Preference in this hierarchy (the whole thing, even above/below your `PreferenceScreen` screen break) with the given key.
`Context`	`getContext()` Returns the `Context` of this Preference.
`String`	`getDependency()` Returns the key of the dependency on this Preference.
`SharedPreferences.Editor`	`getEditor()` Returns an `SharedPreferences.Editor` where this Preference can save its value(s).
`Bundle`	`getExtras()` Return the extras Bundle object associated with this preference, creating a new Bundle if there currently isn't one.
`String`	`getFragment()` Return the fragment class name associated with this Preference.
`Drawable`	`getIcon()` Returns the icon of this Preference.
`Intent`	`getIntent()` Return the `Intent` associated with this Preference.
`String`	`getKey()` Gets the key for this Preference, which is also the key used for storing values into SharedPreferences.
`int`	`getLayoutResource()` Gets the layout resource that will be shown as the `View` for this Preference.
`Preference.OnPreferenceChangeListener`	`getOnPreferenceChangeListener()` Returns the callback to be invoked when this Preference is changed by the user (but before the internal state has been updated).
`Preference.OnPreferenceClickListener`	`getOnPreferenceClickListener()` Returns the callback to be invoked when this Preference is clicked.
`int`	`getOrder()` Gets the order of this Preference with respect to other Preference objects on the same level.
`boolean`	`getPersistedBoolean(boolean defaultReturnValue)` Attempts to get a persisted boolean from the `SharedPreferences`.
`float`	`getPersistedFloat(float defaultReturnValue)` Attempts to get a persisted float from the `SharedPreferences`.
`int`	`getPersistedInt(int defaultReturnValue)` Attempts to get a persisted int from the `SharedPreferences`.
`long`	`getPersistedLong(long defaultReturnValue)` Attempts to get a persisted long from the `SharedPreferences`.
`String`	`getPersistedString(String defaultReturnValue)` Attempts to get a persisted String from the `SharedPreferences`.
`Set<String>`	`getPersistedStringSet(Set<String> defaultReturnValue)` Attempts to get a persisted set of Strings from the `SharedPreferences`.
`PreferenceManager`	`getPreferenceManager()` Gets the `PreferenceManager` that manages this Preference object's tree.
`SharedPreferences`	`getSharedPreferences()` Returns the `SharedPreferences` where this Preference can read its value(s).
`boolean`	`getShouldDisableView()` Checks whether this Preference should disable its view when it's action is disabled.
`CharSequence`	`getSummary()` Returns the summary of this Preference.
`CharSequence`	`getTitle()` Returns the title of this Preference.
`int`	`getTitleRes()` Returns the title resource ID of this Preference.
`View`	`getView(View convertView, ViewGroup parent)` Gets the View that will be shown in the `PreferenceActivity`.
`int`	`getWidgetLayoutResource()` Gets the layout resource for the controllable widget portion of this Preference.
`boolean`	`hasKey()` Checks whether this Preference has a valid key.
`boolean`	`isEnabled()` Checks whether this Preference should be enabled in the list.
`boolean`	`isPersistent()` Checks whether this Preference is persistent.
`boolean`	`isSelectable()` Checks whether this Preference should be selectable in the list.
`void`	`notifyChanged()` Should be called when the data of this `Preference` has changed.
`void`	`notifyDependencyChange(boolean disableDependents)` Notifies any listening dependents of a change that affects the dependency.
`void`	`notifyHierarchyChanged()` Should be called when a Preference has been added/removed from this group, or the ordering should be re-evaluated.
`void`	`onAttachedToActivity()` Called when the Preference hierarchy has been attached to the `PreferenceActivity`.
`void`	`onAttachedToHierarchy(PreferenceManager preferenceManager)` Called when this Preference has been attached to a Preference hierarchy.
`void`	`onBindView(View view)` Binds the created View to the data for this Preference.
`void`	`onClick()` Processes a click on the preference.
`View`	`onCreateView(ViewGroup parent)` Creates the View to be shown for this Preference in the `PreferenceActivity`.
`void`	`onDependencyChanged(Preference dependency, boolean disableDependent)` Called when the dependency changes.
`Object`	`onGetDefaultValue(TypedArray a, int index)` Called when a Preference is being inflated and the default value attribute needs to be read.
`void`	`onParentChanged(Preference parent, boolean disableChild)` Called when the implicit parent dependency changes.
`void`	`onPrepareForRemoval()` Called when this Preference is being removed from the hierarchy.
`void`	`onRestoreInstanceState(Parcelable state)` Hook allowing a Preference to re-apply a representation of its internal state that had previously been generated by `onSaveInstanceState()`.
`Parcelable`	`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.
`void`	`onSetInitialValue(boolean restorePersistedValue, Object defaultValue)` Implement this to set the initial value of the Preference.
`Bundle`	`peekExtras()` Return the extras Bundle object associated with this preference, returning null if there is not currently one.
`boolean`	`persistBoolean(boolean value)` Attempts to persist a boolean to the `SharedPreferences`.
`boolean`	`persistFloat(float value)` Attempts to persist a float to the `SharedPreferences`.
`boolean`	`persistInt(int value)` Attempts to persist an int to the `SharedPreferences`.
`boolean`	`persistLong(long value)` Attempts to persist a long to the `SharedPreferences`.
`boolean`	`persistString(String value)` Attempts to persist a String to the `SharedPreferences`.
`boolean`	`persistStringSet(Set<String> values)` Attempts to persist a set of Strings to the `SharedPreferences`.
`void`	`restoreHierarchyState(Bundle container)` Restore this Preference hierarchy's previously saved state from the given container.
`void`	`saveHierarchyState(Bundle container)` Store this Preference hierarchy's frozen state into the given container.
`void`	`setDefaultValue(Object defaultValue)` 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.
`void`	`setDependency(String dependencyKey)` Sets the key of a Preference that this Preference will depend on.
`void`	`setEnabled(boolean enabled)` Sets whether this Preference is enabled.
`void`	`setFragment(String fragment)` Sets the class name of a fragment to be shown when this Preference is clicked.
`void`	`setIcon(Drawable icon)` Sets the icon for this Preference with a Drawable.
`void`	`setIcon(int iconResId)` Sets the icon for this Preference with a resource ID.
`void`	`setIntent(Intent intent)` Sets an `Intent` to be used for `startActivity(Intent)` when this Preference is clicked.
`void`	`setKey(String key)` Sets the key for this Preference, which is used as a key to the `SharedPreferences`.
`void`	`setLayoutResource(int layoutResId)` Sets the layout resource that is inflated as the `View` to be shown for this Preference.
`void`	`setOnPreferenceChangeListener(Preference.OnPreferenceChangeListener onPreferenceChangeListener)` Sets the callback to be invoked when this Preference is changed by the user (but before the internal state has been updated).
`void`	`setOnPreferenceClickListener(Preference.OnPreferenceClickListener onPreferenceClickListener)` Sets the callback to be invoked when this Preference is clicked.
`void`	`setOrder(int order)` Sets the order of this Preference with respect to other Preference objects on the same level.
`void`	`setPersistent(boolean persistent)` Sets whether this Preference is persistent.
`void`	`setSelectable(boolean selectable)` Sets whether this Preference is selectable.
`void`	`setShouldDisableView(boolean shouldDisableView)` Sets whether this Preference should disable its view when it gets disabled.
`void`	`setSummary(CharSequence summary)` Sets the summary for this Preference with a CharSequence.
`void`	`setSummary(int summaryResId)` Sets the summary for this Preference with a resource ID.
`void`	`setTitle(CharSequence title)` Sets the title for this Preference with a CharSequence.
`void`	`setTitle(int titleResId)` Sets the title for this Preference with a resource ID.
`void`	`setWidgetLayoutResource(int widgetLayoutResId)` Sets the layout for the controllable widget portion of this Preference.
`boolean`	`shouldCommit()` Returns whether the `Preference` should commit its saved value(s) in `getEditor()`.
`boolean`	`shouldDisableDependents()` Checks whether this preference's dependents should currently be disabled.
`boolean`	`shouldPersist()` Checks whether, at the given time this method is called, this Preference should store/restore its value(s) into the `SharedPreferences`.
`String`	`toString()` Returns a string representation of the object.

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


  
    java.lang.Comparable

From interface


  
    android.content.DialogInterface.OnClickListener

From interface


  
    android.content.DialogInterface.OnDismissListener

From interface


  
    android.preference.PreferenceManager.OnActivityDestroyListener

XML attributes

android:dialogIcon

The icon for the dialog.

Must be a reference to another resource, in the form "@[+][package:]type:name" or to a theme attribute in the form "?[package:][type:]name".

This corresponds to the global attribute resource symbol dialogIcon.

android:dialogLayout

A layout to be used as the content View for the dialog. By default, this shouldn't be needed. If a custom DialogPreference is required, this should be set. For example, the EditTextPreference uses a layout with an EditText as this attribute.

Must be a reference to another resource, in the form "@[+][package:]type:name" or to a theme attribute in the form "?[package:][type:]name".

This corresponds to the global attribute resource symbol dialogLayout.

android:dialogMessage

The message in the dialog. If a dialogLayout is provided and contains a TextView with ID android:id/message, this message will be placed in there.

Must be a string value, using '\\;' to escape characters such as '\\n' or '\\uxxxx' for a unicode character.

This may also be a reference to a resource (in the form "@[package:]type:name") or theme attribute (in the form "?[package:][type:]name") containing a value of this type.

This corresponds to the global attribute resource symbol dialogMessage.

android:dialogTitle

The title in the dialog.

Must be a string value, using '\\;' to escape characters such as '\\n' or '\\uxxxx' for a unicode character.

This may also be a reference to a resource (in the form "@[package:]type:name") or theme attribute (in the form "?[package:][type:]name") containing a value of this type.

This corresponds to the global attribute resource symbol dialogTitle.

android:negativeButtonText

The negative button text for the dialog. Set to @null to hide the negative button.

Must be a string value, using '\\;' to escape characters such as '\\n' or '\\uxxxx' for a unicode character.

This may also be a reference to a resource (in the form "@[package:]type:name") or theme attribute (in the form "?[package:][type:]name") containing a value of this type.

This corresponds to the global attribute resource symbol negativeButtonText.

android:positiveButtonText

The positive button text for the dialog. Set to @null to hide the positive button.

Must be a string value, using '\\;' to escape characters such as '\\n' or '\\uxxxx' for a unicode character.

This may also be a reference to a resource (in the form "@[package:]type:name") or theme attribute (in the form "?[package:][type:]name") containing a value of this type.

This corresponds to the global attribute resource symbol positiveButtonText.

Public constructors

DialogPreference

Added in API level 21

DialogPreference (Context context, 
                AttributeSet attrs, 
                int defStyleAttr, 
                int defStyleRes)

Parameters
`context`	`Context`
`attrs`	`AttributeSet`
`defStyleAttr`	`int`
`defStyleRes`	`int`

DialogPreference

Added in API level 1

DialogPreference (Context context, 
                AttributeSet attrs, 
                int defStyleAttr)

Parameters
`context`	`Context`
`attrs`	`AttributeSet`
`defStyleAttr`	`int`

DialogPreference

Added in API level 1

DialogPreference (Context context, 
                AttributeSet attrs)

Parameters
`context`	`Context`
`attrs`	`AttributeSet`

DialogPreference

Added in API level 21

DialogPreference (Context context)

Parameters
`context`	`Context`

Public methods

getDialog

Added in API level 3

Dialog getDialog ()

Gets the dialog that is shown by this preference.

Returns
`Dialog`	The dialog, or null if a dialog is not being shown.

getDialogIcon

Added in API level 1

Drawable getDialogIcon ()

Returns the icon to be shown on subsequent dialogs.

Returns
`Drawable`	The icon, as a `Drawable`.

getDialogLayoutResource

Added in API level 1

int getDialogLayoutResource ()

Returns the layout resource that is used as the content View for subsequent dialogs.

Returns
`int`	The layout resource.

getDialogMessage

Added in API level 1

CharSequence getDialogMessage ()

Returns the message to be shown on subsequent dialogs.

Returns
`CharSequence`	The message.

getDialogTitle

Added in API level 1

CharSequence getDialogTitle ()

Returns the title to be shown on subsequent dialogs.

Returns
`CharSequence`	The title.

getNegativeButtonText

Added in API level 1

CharSequence getNegativeButtonText ()

Returns the text of the negative button to be shown on subsequent dialogs.

Returns
`CharSequence`	The text of the negative button.

getPositiveButtonText

Added in API level 1

CharSequence getPositiveButtonText ()

Returns the text of the positive button to be shown on subsequent dialogs.

Returns
`CharSequence`	The text of the positive button.

onActivityDestroy

Added in API level 1

void onActivityDestroy ()

See Activity's onDestroy.

onClick

Added in API level 1

void onClick (DialogInterface dialog, 
                int which)

This method will be invoked when a button in the dialog is clicked.

Parameters
`dialog`	`DialogInterface`: The dialog that received the click.
`which`	`int`: The button that was clicked (e.g. `BUTTON1`) or the position of the item clicked.

onDismiss

Added in API level 1

void onDismiss (DialogInterface dialog)

This method will be invoked when the dialog is dismissed.

Parameters
`dialog`	`DialogInterface`: The dialog that was dismissed will be passed into the method.

setDialogIcon

Added in API level 1

void setDialogIcon (int dialogIconRes)

Sets the icon (resource ID) of the dialog. This will be shown on subsequent dialogs.

Parameters
`dialogIconRes`	`int`: The icon, as a resource ID.

setDialogIcon

Added in API level 1

void setDialogIcon (Drawable dialogIcon)

Sets the icon of the dialog. This will be shown on subsequent dialogs.

Parameters
`dialogIcon`	`Drawable`: The icon, as a `Drawable`.

setDialogLayoutResource

Added in API level 1

void setDialogLayoutResource (int dialogLayoutResId)

Sets the layout resource that is inflated as the View to be shown as the content View of subsequent dialogs.

Parameters
`dialogLayoutResId`	`int`: The layout resource ID to be inflated.

See also:

setDialogMessage(CharSequence)

setDialogMessage

Added in API level 1

void setDialogMessage (CharSequence dialogMessage)

Sets the message of the dialog. This will be shown on subsequent dialogs.

This message forms the content View of the dialog and conflicts with list-based dialogs, for example. If setting a custom View on a dialog via setDialogLayoutResource(int), include a text View with ID message and it will be populated with this message.

Parameters
`dialogMessage`	`CharSequence`: The message.

setDialogMessage

Added in API level 1

void setDialogMessage (int dialogMessageResId)

Parameters
`dialogMessageResId`	`int`: The dialog message as a resource.

See also:

setDialogMessage(CharSequence)

setDialogTitle

Added in API level 1

void setDialogTitle (int dialogTitleResId)

Parameters
`dialogTitleResId`	`int`: The dialog title as a resource.

See also:

setDialogTitle(CharSequence)

setDialogTitle

Added in API level 1

void setDialogTitle (CharSequence dialogTitle)

Sets the title of the dialog. This will be shown on subsequent dialogs.

Parameters
`dialogTitle`	`CharSequence`: The title.

setNegativeButtonText

Added in API level 1

void setNegativeButtonText (CharSequence negativeButtonText)

Sets the text of the negative button of the dialog. This will be shown on subsequent dialogs.

Parameters
`negativeButtonText`	`CharSequence`: The text of the negative button.

setNegativeButtonText

Added in API level 1

void setNegativeButtonText (int negativeButtonTextResId)

Parameters
`negativeButtonTextResId`	`int`: The negative button text as a resource.

See also:

setNegativeButtonText(CharSequence)

setPositiveButtonText

Added in API level 1

void setPositiveButtonText (int positiveButtonTextResId)

Parameters
`positiveButtonTextResId`	`int`: The positive button text as a resource.

See also:

setPositiveButtonText(CharSequence)

setPositiveButtonText

Added in API level 1

void setPositiveButtonText (CharSequence positiveButtonText)

Sets the text of the positive button of the dialog. This will be shown on subsequent dialogs.

Parameters
`positiveButtonText`	`CharSequence`: The text of the positive button.

Protected methods

onBindDialogView

Added in API level 1

void onBindDialogView (View view)

Binds views in the content View of the dialog to data.

Make sure to call through to the superclass implementation.

Parameters
`view`	`View`: The content View of the dialog, if it is custom.

onClick

Added in API level 1

void onClick ()

Processes a click on the preference. This includes saving the value to the SharedPreferences. However, the overridden method should call callChangeListener(Object) to make sure the client wants to update the preference's state with the new value.

onCreateDialogView

Added in API level 1

View onCreateDialogView ()

Creates the content view for the dialog (if a custom content view is required). By default, it inflates the dialog layout resource if it is set.

Returns
`View`	The content View for the dialog.

See also:

setLayoutResource(int)

onDialogClosed

Added in API level 1

void onDialogClosed (boolean positiveResult)

Called when the dialog is dismissed and should be used to save data to the SharedPreferences.

Parameters
`positiveResult`	`boolean`: Whether the positive button was clicked (true), or the negative button was clicked or the dialog was canceled (false).

onPrepareDialogBuilder

Added in API level 1

void onPrepareDialogBuilder (AlertDialog.Builder builder)

Prepares the dialog builder to be shown when the preference is clicked. Use this to set custom properties on the dialog.

Do not create() or show().

Parameters
`builder`	`AlertDialog.Builder`

onRestoreInstanceState

Added in API level 1

void onRestoreInstanceState (Parcelable state)

Hook allowing a Preference to re-apply a representation of its internal state that had previously been generated by onSaveInstanceState(). This function will never be called with a null state.

Parameters
`state`	`Parcelable`: The saved state that had previously been returned by `onSaveInstanceState()`.

onSaveInstanceState

Added in API level 1

Parcelable 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. This state should only contain information that is not persistent or can be reconstructed later.

Returns
`Parcelable`	A Parcelable object containing the current dynamic state of this Preference, or null if there is nothing interesting to save. The default implementation returns null.

showDialog

Added in API level 1

void showDialog (Bundle state)

Shows the dialog associated with this Preference. This is normally initiated automatically on clicking on the preference. Call this method if you need to show the dialog on some other event.

Parameters
`state`	`Bundle`: Optional instance state to restore on the dialog