Added in API level 1

WebSettings


abstract class WebSettings
kotlin.Any
   ↳ android.webkit.WebSettings

Manages settings state for a WebView. When a WebView is first created, it obtains a set of default settings. These default settings will be returned from any getter call. A WebSettings object obtained from WebView#getSettings() is tied to the life of the WebView. If a WebView has been destroyed, any method call on WebSettings will throw an IllegalStateException.

Summary

Nested classes

Enum for controlling the layout of html.

The plugin state effects how plugins are treated on a page.

Enum for specifying the text size.

Enum for specifying the WebView's desired density.

Constants
static Int

Enable force dark dependent on the state of the WebView parent view.

static Int

Disable force dark, irrespective of the force dark mode of the WebView parent.

static Int

Unconditionally enable force dark.

static Int

Use cached resources when they are available, even if they have expired.

static Int

Don't use the network, load from the cache.

static Int

Default cache usage mode.

static Int

Normal cache usage mode.

static Int

Don't use the cache, load from the network.

static Int

No menu items should be disabled.

static Int

Disable all the action mode menu items for text processing.

static Int

Disable menu item "Share".

static Int

Disable menu item "Web Search".

static Int

In this mode, the WebView will allow a secure origin to load content from any other origin, even if that origin is insecure.

static Int

In this mode, the WebView will attempt to be compatible with the approach of a modern web browser with regard to mixed content.

static Int

In this mode, the WebView will not allow a secure origin to load content from an insecure origin.

Public constructors

Public methods
abstract Boolean

Gets whether the WebView enables smooth transition while panning or zooming.

abstract Boolean

Gets whether this WebView supports content URL access.

abstract Boolean

Gets whether this WebView supports file access.

abstract Boolean

Gets whether JavaScript running in the context of a file scheme URL can access content from other file scheme URLs.

abstract Boolean

Gets whether JavaScript running in the context of a file scheme URL can access content from any origin.

abstract Boolean

Gets whether the WebView does not load image resources from the network.

abstract Boolean

Gets whether the WebView does not load any resources from the network.

abstract Boolean

Gets whether the zoom mechanisms built into WebView are being used.

abstract Int

Gets the current setting for overriding the cache mode.

abstract String!

Gets the cursive font family name.

abstract Boolean

Gets whether the database storage API is enabled.

abstract String!

Gets the path to where database storage API databases are saved.

abstract Int

Gets the default fixed font size.

abstract Int

Gets the default font size.

abstract String!

Gets the default text encoding name.

open static String!

Returns the default User-Agent used by a WebView.

abstract WebSettings.ZoomDensity!

Gets the default zoom density of the page.

abstract Int

Gets the action mode menu items that are disabled, expressed in an integer field flag.

abstract Boolean

Gets whether the WebView displays on-screen zoom controls when using the built-in zoom mechanisms.

abstract Boolean

Gets whether the DOM Storage APIs are enabled.

abstract String!

Gets the fantasy font family name.

abstract String!

Gets the fixed font family name.

open Int

Get the force dark mode for this WebView.

abstract Boolean

Gets whether JavaScript can open windows automatically.

abstract Boolean

Gets whether JavaScript is enabled.

abstract WebSettings.LayoutAlgorithm!

Gets the current layout algorithm.

abstract Boolean

Gets whether light touches are enabled.

abstract Boolean

Gets whether this WebView loads pages in overview mode.

abstract Boolean

Gets whether the WebView loads image resources.

abstract Boolean

Gets whether the WebView requires a user gesture to play media.

abstract Int

Gets the minimum font size.

abstract Int

Gets the minimum logical font size.

abstract Int

Gets the current behavior of the WebView with regard to loading insecure content from a secure origin.

abstract Boolean

Gets whether this WebView should raster tiles when it is offscreen but attached to a window.

abstract WebSettings.PluginState!

Gets the current state regarding whether plugins are enabled.

abstract Boolean

Gets whether Safe Browsing is enabled.

abstract String!

Gets the sans-serif font family name.

abstract Boolean

Gets whether the WebView saves form data.

abstract Boolean

Gets whether the WebView saves passwords.

abstract String!

Gets the serif font family name.

abstract String!

Gets the standard font family name.

open WebSettings.TextSize!

Gets the text size of the page.

abstract Int

Gets the text zoom of the page in percent.

abstract Boolean

Gets whether the WebView supports the "viewport" HTML meta tag or will use a wide viewport.

abstract String!

Gets the WebView's user-agent string.

open Boolean

Get if algorithmic darkening is allowed or not for this WebView.

open Unit

Control whether algorithmic darkening is allowed.

abstract Unit

Enables or disables content URL access within WebView.

abstract Unit

Enables or disables file access within WebView.

abstract Unit

Sets whether cross-origin requests in the context of a file scheme URL should be allowed to access content from other file scheme URLs.

abstract Unit

Sets whether cross-origin requests in the context of a file scheme URL should be allowed to access content from any origin.

abstract Unit

Sets whether the WebView should not load image resources from the network (resources accessed via http and https URI schemes).

abstract Unit

Sets whether the WebView should not load resources from the network.

abstract Unit

Sets whether the WebView should use its built-in zoom mechanisms.

abstract Unit

Overrides the way the cache is used.

abstract Unit

Sets the cursive font family name.

abstract Unit

Sets whether the database storage API is enabled.

abstract Unit
setDatabasePath(databasePath: String!)

Sets the path to where database storage API databases should be saved.

abstract Unit

Sets the default fixed font size.

abstract Unit

Sets the default font size.

abstract Unit

Sets the default text encoding name to use when decoding html pages.

abstract Unit

Sets the default zoom density of the page.

abstract Unit

Disables the action mode menu items according to menuItems flag.

abstract Unit

Sets whether the WebView should display on-screen zoom controls when using the built-in zoom mechanisms.

abstract Unit

Sets whether the DOM storage API is enabled.

abstract Unit

Sets whether the WebView will enable smooth transition while panning or zooming or while the window hosting the WebView does not have focus.

abstract Unit

Sets the fantasy font family name.

abstract Unit

Sets the fixed font family name.

open Unit
setForceDark(forceDark: Int)

Set the force dark mode for this WebView.

abstract Unit

Sets the path where the Geolocation databases should be saved.

abstract Unit

Sets whether Geolocation is enabled.

abstract Unit

Tells JavaScript to open windows automatically.

abstract Unit

Tells the WebView to enable JavaScript execution.

abstract Unit

Sets the underlying layout algorithm.

abstract Unit

Enables using light touches to make a selection and activate mouseovers.

abstract Unit

Sets whether the WebView loads pages in overview mode, that is, zooms out the content to fit on screen by width.

abstract Unit

Sets whether the WebView should load image resources.

abstract Unit

Sets whether the WebView requires a user gesture to play media.

abstract Unit

Sets the minimum font size.

abstract Unit

Sets the minimum logical font size.

abstract Unit

Configures the WebView's behavior when a secure origin attempts to load a resource from an insecure origin.

abstract Unit

Tells the WebView whether it needs to set a node to have focus when android.

abstract Unit

Sets whether this WebView should raster tiles when it is offscreen but attached to a window.

abstract Unit

Tells the WebView to enable, disable, or have plugins on demand.

abstract Unit

Sets the priority of the Render thread.

abstract Unit

Sets whether Safe Browsing is enabled.

abstract Unit

Sets the sans-serif font family name.

abstract Unit

Sets whether the WebView should save form data.

abstract Unit

Sets whether the WebView should save passwords.

abstract Unit

Sets the serif font family name.

abstract Unit

Sets the standard font family name.

abstract Unit

Sets whether the WebView whether supports multiple windows.

abstract Unit

Sets whether the WebView should support zooming using its on-screen zoom controls and gestures.

open Unit

Sets the text size of the page.

abstract Unit
setTextZoom(textZoom: Int)

Sets the text zoom of the page in percent.

abstract Unit

Sets whether the WebView should enable support for the "viewport" HTML meta tag or should use a wide viewport.

abstract Unit

Sets the WebView's user-agent string.

abstract Boolean

Gets whether the WebView supports multiple windows.

abstract Boolean

Gets whether the WebView supports zoom.

Constants

FORCE_DARK_AUTO

Added in API level 29
Deprecated in API level 33
static val FORCE_DARK_AUTO: Int

Deprecated: refer to setForceDark

Enable force dark dependent on the state of the WebView parent view. If the WebView parent view is being automatically force darkened (see: android.view.View#setForceDarkAllowed), then WebView content will be rendered so as to emulate a dark theme. WebViews that are not attached to the view hierarchy will not be inverted.

Value: 1

See Also

FORCE_DARK_OFF

Added in API level 29
Deprecated in API level 33
static val FORCE_DARK_OFF: Int

Deprecated: refer to setForceDark

Disable force dark, irrespective of the force dark mode of the WebView parent. In this mode, WebView content will always be rendered as-is, regardless of whether native views are being automatically darkened.

Value: 0

See Also

FORCE_DARK_ON

Added in API level 29
Deprecated in API level 33
static val FORCE_DARK_ON: Int

Deprecated: refer to setForceDark

Unconditionally enable force dark. In this mode WebView content will always be rendered so as to emulate a dark theme.

Value: 2

See Also

LOAD_CACHE_ELSE_NETWORK

Added in API level 1
static val LOAD_CACHE_ELSE_NETWORK: Int

Use cached resources when they are available, even if they have expired. Otherwise load resources from the network. Use with setCacheMode.

Value: 1

LOAD_CACHE_ONLY

Added in API level 1
static val LOAD_CACHE_ONLY: Int

Don't use the network, load from the cache. Use with setCacheMode.

Value: 3

LOAD_DEFAULT

Added in API level 1
static val LOAD_DEFAULT: Int

Default cache usage mode. If the navigation type doesn't impose any specific behavior, use cached resources when they are available and not expired, otherwise load resources from the network. Use with setCacheMode.

Value: -1

LOAD_NORMAL

Added in API level 1
Deprecated in API level 17
static val LOAD_NORMAL: Int

Deprecated: This value is obsolete, as from API level android.os.Build.VERSION_CODES#HONEYCOMB and onwards it has the same effect as LOAD_DEFAULT.

Normal cache usage mode. Use with setCacheMode.

Value: 0

LOAD_NO_CACHE

Added in API level 1
static val LOAD_NO_CACHE: Int

Don't use the cache, load from the network. Use with setCacheMode.

Value: 2
Added in API level 24
static val MENU_ITEM_NONE: Int

No menu items should be disabled.

Value: 0
Added in API level 24
static val MENU_ITEM_PROCESS_TEXT: Int

Disable all the action mode menu items for text processing. By default WebView searches for activities that are able to handle android.content.Intent#ACTION_PROCESS_TEXT and show them in the action mode menu. If this flag is set via setDisabledActionModeMenuItems, these menu items will be disabled.

Value: 4
Added in API level 24
static val MENU_ITEM_SHARE: Int

Disable menu item "Share".

Value: 1
Added in API level 24
static val MENU_ITEM_WEB_SEARCH: Int

Disable menu item "Web Search".

Value: 2

MIXED_CONTENT_ALWAYS_ALLOW

Added in API level 21
static val MIXED_CONTENT_ALWAYS_ALLOW: Int

In this mode, the WebView will allow a secure origin to load content from any other origin, even if that origin is insecure. This is the least secure mode of operation for the WebView, and where possible apps should not set this mode.

Value: 0

MIXED_CONTENT_COMPATIBILITY_MODE

Added in API level 21
static val MIXED_CONTENT_COMPATIBILITY_MODE: Int

In this mode, the WebView will attempt to be compatible with the approach of a modern web browser with regard to mixed content. Some insecure content may be allowed to be loaded by a secure origin and other types of content will be blocked. The types of content are allowed or blocked may change release to release and are not explicitly defined. This mode is intended to be used by apps that are not in control of the content that they render but desire to operate in a reasonably secure environment. For highest security, apps are recommended to use MIXED_CONTENT_NEVER_ALLOW.

Value: 2

MIXED_CONTENT_NEVER_ALLOW

Added in API level 21
static val MIXED_CONTENT_NEVER_ALLOW: Int

In this mode, the WebView will not allow a secure origin to load content from an insecure origin. This is the preferred and most secure mode of operation for the WebView and apps are strongly advised to use this mode.

Value: 1

Public constructors

WebSettings

WebSettings()

Public methods

enableSmoothTransition

Added in API level 11
Deprecated in API level 17
abstract fun enableSmoothTransition(): Boolean

Deprecated: This method is now obsolete, and will become a no-op in future.

Gets whether the WebView enables smooth transition while panning or zooming.

getAllowContentAccess

Added in API level 11
abstract fun getAllowContentAccess(): Boolean

Gets whether this WebView supports content URL access.

getAllowFileAccess

Added in API level 3
abstract fun getAllowFileAccess(): Boolean

Gets whether this WebView supports file access.

getAllowFileAccessFromFileURLs

Added in API level 16
abstract fun getAllowFileAccessFromFileURLs(): Boolean

Gets whether JavaScript running in the context of a file scheme URL can access content from other file scheme URLs.

Return
Boolean whether JavaScript running in the context of a file scheme URL can access content from other file scheme URLs

getAllowUniversalAccessFromFileURLs

Added in API level 16
abstract fun getAllowUniversalAccessFromFileURLs(): Boolean

Gets whether JavaScript running in the context of a file scheme URL can access content from any origin. This includes access to content from other file scheme URLs.

Return
Boolean whether JavaScript running in the context of a file scheme URL can access content from any origin

getBlockNetworkImage

Added in API level 1
abstract fun getBlockNetworkImage(): Boolean

Gets whether the WebView does not load image resources from the network.

Return
Boolean true if the WebView does not load image resources from the network

getBlockNetworkLoads

Added in API level 8
abstract fun getBlockNetworkLoads(): Boolean

Gets whether the WebView does not load any resources from the network.

Return
Boolean true if the WebView does not load any resources from the network

getBuiltInZoomControls

Added in API level 3
abstract fun getBuiltInZoomControls(): Boolean

Gets whether the zoom mechanisms built into WebView are being used.

Return
Boolean true if the zoom mechanisms built into WebView are being used

getCacheMode

Added in API level 1
abstract fun getCacheMode(): Int

Gets the current setting for overriding the cache mode.

Return
Int the current setting for overriding the cache mode Value is android.webkit.WebSettings#LOAD_DEFAULT, android.webkit.WebSettings#LOAD_NORMAL, android.webkit.WebSettings#LOAD_CACHE_ELSE_NETWORK, android.webkit.WebSettings#LOAD_NO_CACHE, or android.webkit.WebSettings#LOAD_CACHE_ONLY

See Also

getCursiveFontFamily

Added in API level 1
abstract fun getCursiveFontFamily(): String!

Gets the cursive font family name.

Return
String! the cursive font family name as a string

getDatabaseEnabled

Added in API level 5
Deprecated in API level 35
abstract fun getDatabaseEnabled(): Boolean

Deprecated: WebSQL is deprecated and this method will become a no-op on all Android versions once support is removed in Chromium. See https://developer.chrome.com/blog/deprecating-web-sql for more information.

Gets whether the database storage API is enabled.

Return
Boolean true if the database storage API is enabled

getDatabasePath

Added in API level 5
Deprecated in API level 19
abstract fun getDatabasePath(): String!

Deprecated: Database paths are managed by the implementation this method is obsolete.

Gets the path to where database storage API databases are saved.

Return
String! the String path to the database storage API databases

See Also

getDefaultFixedFontSize

Added in API level 1
abstract fun getDefaultFixedFontSize(): Int

Gets the default fixed font size.

Return
Int a non-negative integer between 1 and 72

getDefaultFontSize

Added in API level 1
abstract fun getDefaultFontSize(): Int

Gets the default font size.

Return
Int a non-negative integer between 1 and 72

getDefaultTextEncodingName

Added in API level 1
abstract fun getDefaultTextEncodingName(): String!

Gets the default text encoding name.

Return
String! the default text encoding name as a string

getDefaultUserAgent

Added in API level 17
open static fun getDefaultUserAgent(context: Context!): String!

Returns the default User-Agent used by a WebView. An instance of WebView could use a different User-Agent if a call is made to WebSettings#setUserAgentString(String).

Parameters
context Context!: a Context object used to access application assets

getDefaultZoom

Added in API level 7
Deprecated in API level 19
abstract fun getDefaultZoom(): WebSettings.ZoomDensity!

Deprecated: Will only return the default value.

Gets the default zoom density of the page. This should be called from the UI thread. This setting is not recommended for use in new applications.

Return
WebSettings.ZoomDensity! the zoom density

See Also

getDisabledActionModeMenuItems

Added in API level 24
abstract fun getDisabledActionModeMenuItems(): Int

Gets the action mode menu items that are disabled, expressed in an integer field flag. The default value is MENU_ITEM_NONE

Return
Int all the disabled menu item flags combined with bitwise OR. Value is either 0 or a combination of android.webkit.WebSettings#MENU_ITEM_NONE, android.webkit.WebSettings#MENU_ITEM_SHARE, android.webkit.WebSettings#MENU_ITEM_WEB_SEARCH, and android.webkit.WebSettings#MENU_ITEM_PROCESS_TEXT

getDisplayZoomControls

Added in API level 11
abstract fun getDisplayZoomControls(): Boolean

Gets whether the WebView displays on-screen zoom controls when using the built-in zoom mechanisms.

Return
Boolean true if the WebView displays on-screen zoom controls when using the built-in zoom mechanisms

getDomStorageEnabled

Added in API level 7
abstract fun getDomStorageEnabled(): Boolean

Gets whether the DOM Storage APIs are enabled.

Return
Boolean true if the DOM Storage APIs are enabled

getFantasyFontFamily

Added in API level 1
abstract fun getFantasyFontFamily(): String!

Gets the fantasy font family name.

Return
String! the fantasy font family name as a string

getFixedFontFamily

Added in API level 1
abstract fun getFixedFontFamily(): String!

Gets the fixed font family name.

Return
String! the fixed font family name as a string

getForceDark

Added in API level 29
Deprecated in API level 33
open fun getForceDark(): Int

Deprecated: refer to setForceDark.

Get the force dark mode for this WebView. The default force dark mode is FORCE_DARK_AUTO.

Return
Int the currently set force dark mode. Value is android.webkit.WebSettings#FORCE_DARK_OFF, android.webkit.WebSettings#FORCE_DARK_AUTO, or android.webkit.WebSettings#FORCE_DARK_ON

See Also

getJavaScriptCanOpenWindowsAutomatically

Added in API level 1
abstract fun getJavaScriptCanOpenWindowsAutomatically(): Boolean

Gets whether JavaScript can open windows automatically.

Return
Boolean true if JavaScript can open windows automatically during window.open()

getJavaScriptEnabled

Added in API level 1
abstract fun getJavaScriptEnabled(): Boolean

Gets whether JavaScript is enabled.

Return
Boolean true if JavaScript is enabled

getLayoutAlgorithm

Added in API level 1
abstract fun getLayoutAlgorithm(): WebSettings.LayoutAlgorithm!

Gets the current layout algorithm.

Return
WebSettings.LayoutAlgorithm! the layout algorithm in use, as a LayoutAlgorithm value

getLightTouchEnabled

Added in API level 1
Deprecated in API level 18
abstract fun getLightTouchEnabled(): Boolean

Deprecated: This setting is obsolete.

Gets whether light touches are enabled.

getLoadWithOverviewMode

Added in API level 7
abstract fun getLoadWithOverviewMode(): Boolean

Gets whether this WebView loads pages in overview mode.

Return
Boolean whether this WebView loads pages in overview mode

getLoadsImagesAutomatically

Added in API level 1
abstract fun getLoadsImagesAutomatically(): Boolean

Gets whether the WebView loads image resources. This includes images embedded using the data URI scheme.

Return
Boolean true if the WebView loads image resources

getMediaPlaybackRequiresUserGesture

Added in API level 17
abstract fun getMediaPlaybackRequiresUserGesture(): Boolean

Gets whether the WebView requires a user gesture to play media.

Return
Boolean true if the WebView requires a user gesture to play media

getMinimumFontSize

Added in API level 1
abstract fun getMinimumFontSize(): Int

Gets the minimum font size.

Return
Int a non-negative integer between 1 and 72

getMinimumLogicalFontSize

Added in API level 1
abstract fun getMinimumLogicalFontSize(): Int

Gets the minimum logical font size.

Return
Int a non-negative integer between 1 and 72

getMixedContentMode

Added in API level 21
abstract fun getMixedContentMode(): Int

Gets the current behavior of the WebView with regard to loading insecure content from a secure origin.

Return
Int The current setting, one of MIXED_CONTENT_NEVER_ALLOW, MIXED_CONTENT_ALWAYS_ALLOW or MIXED_CONTENT_COMPATIBILITY_MODE.

getOffscreenPreRaster

Added in API level 23
abstract fun getOffscreenPreRaster(): Boolean

Gets whether this WebView should raster tiles when it is offscreen but attached to a window.

Return
Boolean true if this WebView will raster tiles when it is offscreen but attached to a window.

getPluginState

Added in API level 8
Deprecated in API level 18
abstract fun getPluginState(): WebSettings.PluginState!

Deprecated: Plugins are not supported in API level android.os.Build.VERSION_CODES#KITKAT or later; enabling plugins is a no-op.

Gets the current state regarding whether plugins are enabled.

Return
WebSettings.PluginState! the plugin state as a PluginState value

See Also

getSafeBrowsingEnabled

Added in API level 26
abstract fun getSafeBrowsingEnabled(): Boolean

Gets whether Safe Browsing is enabled. See setSafeBrowsingEnabled.

Return
Boolean true if Safe Browsing is enabled and false otherwise.

getSansSerifFontFamily

Added in API level 1
abstract fun getSansSerifFontFamily(): String!

Gets the sans-serif font family name.

Return
String! the sans-serif font family name as a string

getSaveFormData

Added in API level 1
Deprecated in API level 26
abstract fun getSaveFormData(): Boolean

Deprecated: Deprecated in Java.

Gets whether the WebView saves form data.

Return
Boolean whether the WebView saves form data

See Also

getSavePassword

Added in API level 1
Deprecated in API level 18
abstract fun getSavePassword(): Boolean

Deprecated: Saving passwords in WebView will not be supported in future versions.

Gets whether the WebView saves passwords.

Return
Boolean whether the WebView saves passwords

See Also

getSerifFontFamily

Added in API level 1
abstract fun getSerifFontFamily(): String!

Gets the serif font family name. The default is "serif".

Return
String! the serif font family name as a string

getStandardFontFamily

Added in API level 1
abstract fun getStandardFontFamily(): String!

Gets the standard font family name.

Return
String! the standard font family name as a string

getTextSize

Added in API level 1
Deprecated in API level 15
open fun getTextSize(): WebSettings.TextSize!

Deprecated: Use getTextZoom instead.

Gets the text size of the page. If the text size was previously specified in percent using setTextZoom, this will return the closest matching TextSize.

Return
WebSettings.TextSize! the text size as a TextSize value

See Also

getTextZoom

Added in API level 14
abstract fun getTextZoom(): Int

Gets the text zoom of the page in percent.

Return
Int the text zoom of the page in percent

See Also

getUseWideViewPort

Added in API level 1
abstract fun getUseWideViewPort(): Boolean

Gets whether the WebView supports the "viewport" HTML meta tag or will use a wide viewport.

Return
Boolean true if the WebView supports the viewport meta tag

getUserAgentString

Added in API level 3
abstract fun getUserAgentString(): String!

Gets the WebView's user-agent string.

Return
String! the WebView's user-agent string

isAlgorithmicDarkeningAllowed

Added in API level 33
open fun isAlgorithmicDarkeningAllowed(): Boolean

Get if algorithmic darkening is allowed or not for this WebView. The default is false.

Return
Boolean if the algorithmic darkening is allowed or not.

setAlgorithmicDarkeningAllowed

Added in API level 33
open fun setAlgorithmicDarkeningAllowed(allow: Boolean): Unit

Control whether algorithmic darkening is allowed.

Note: This API and the behaviour described only apply to apps with targetSdkVersionandroid.os.Build.VERSION_CODES#TIRAMISU.

WebView always sets the media query prefers-color-scheme according to the app's theme attribute isLightTheme, i.e. prefers-color-scheme is light if isLightTheme is true or not specified, otherwise it is dark. This means that the web content's light or dark style will be applied automatically to match the app's theme if the content supports it.

Algorithmic darkening is disallowed by default.

If the app's theme is dark and it allows algorithmic darkening, WebView will attempt to darken web content using an algorithm, if the content doesn't define its own dark styles and doesn't explicitly disable darkening.

If Android is applying Force Dark to WebView then WebView will ignore the value of this setting and behave as if it were set to true.

The deprecated setForceDark and related API are no-ops in apps with targetSdkVersionandroid.os.Build.VERSION_CODES#TIRAMISU, but they still apply to apps with targetSdkVersion < android.os.Build.VERSION_CODES#TIRAMISU.

The below table summarizes how APIs work with different apps.

App Web content which uses prefers-color-scheme Web content which does not use prefers-color-scheme
App with isLightTheme True or not set Renders with the light theme defined by the content author. Renders with the default styling defined by the content author.
App with Android forceDark in effect Renders with the dark theme defined by the content author. Renders with the styling modified to dark colors by an algorithm if allowed by the content author.
App with isLightTheme False, targetSdkVersion < android.os.Build.VERSION_CODES#TIRAMISU, and has FORCE_DARK_AUTO Renders with the dark theme defined by the content author. Renders with the default styling defined by the content author.
App with isLightTheme False, targetSdkVersionandroid.os.Build.VERSION_CODES#TIRAMISU, and setAlgorithmicDarkening(false) Renders with the dark theme defined by the content author. Renders with the default styling defined by the content author.
App with isLightTheme False, targetSdkVersionandroid.os.Build.VERSION_CODES#TIRAMISU, and setAlgorithmicDarkening(true) Renders with the dark theme defined by the content author. Renders with the styling modified to dark colors by an algorithm if allowed by the content author.

Parameters
allow Boolean: allow algorithmic darkening or not.

setAllowContentAccess

Added in API level 11
abstract fun setAllowContentAccess(allow: Boolean): Unit

Enables or disables content URL access within WebView. Content URL access allows WebView to load content from a content provider installed in the system. The default is enabled.

setAllowFileAccess

Added in API level 3
abstract fun setAllowFileAccess(allow: Boolean): Unit

Enables or disables file access within WebView. Note that this enables or disables file system access only. Assets and resources are still accessible using file:///android_asset and file:///android_res.

Note: Apps should not open file:// URLs from any external source in WebView, don't enable this if your app accepts arbitrary URLs from external sources. It's recommended to always use androidx.webkit.WebViewAssetLoader to access files including assets and resources over http(s):// schemes, instead of file:// URLs. To prevent possible security issues targeting android.os.Build.VERSION_CODES#Q and earlier, you should explicitly set this value to false.

The default value is true for apps targeting android.os.Build.VERSION_CODES#Q and below, and false when targeting android.os.Build.VERSION_CODES#R and above.

setAllowFileAccessFromFileURLs

Added in API level 16
Deprecated in API level 30
abstract fun setAllowFileAccessFromFileURLs(flag: Boolean): Unit

Deprecated: This setting is not secure, please use androidx.webkit.WebViewAssetLoader to load file content securely.

Sets whether cross-origin requests in the context of a file scheme URL should be allowed to access content from other file scheme URLs. Note that some accesses such as image HTML elements don't follow same-origin rules and aren't affected by this setting.

Don't enable this setting if you open files that may be created or altered by external sources. Enabling this setting allows malicious scripts loaded in a file:// context to access arbitrary local files including WebView cookies and app private data.

Loading content via file:// URLs is generally discouraged. See the note in setAllowFileAccess.

Note that the value of this setting is ignored if the value of getAllowUniversalAccessFromFileURLs is true. The default value is true for apps targeting android.os.Build.VERSION_CODES#ICE_CREAM_SANDWICH_MR1 and below, and false when targeting android.os.Build.VERSION_CODES#JELLY_BEAN and above. To prevent possible violation of same domain policy when targeting android.os.Build.VERSION_CODES#ICE_CREAM_SANDWICH_MR1 and earlier, you should explicitly set this value to false.

Parameters
flag Boolean: whether JavaScript running in the context of a file scheme URL should be allowed to access content from other file scheme URLs

setAllowUniversalAccessFromFileURLs

Added in API level 16
Deprecated in API level 30
abstract fun setAllowUniversalAccessFromFileURLs(flag: Boolean): Unit

Deprecated: This setting is not secure, please use androidx.webkit.WebViewAssetLoader to load file content securely.

Sets whether cross-origin requests in the context of a file scheme URL should be allowed to access content from any origin. This includes access to content from other file scheme URLs or web contexts. Note that some access such as image HTML elements doesn't follow same-origin rules and isn't affected by this setting.

Don't enable this setting if you open files that may be created or altered by external sources. Enabling this setting allows malicious scripts loaded in a file:// context to launch cross-site scripting attacks, either accessing arbitrary local files including WebView cookies, app private data or even credentials used on arbitrary web sites.

Loading content via file:// URLs is generally discouraged. See the note in setAllowFileAccess.

The default value is true for apps targeting android.os.Build.VERSION_CODES#ICE_CREAM_SANDWICH_MR1 and below, and false when targeting android.os.Build.VERSION_CODES#JELLY_BEAN and above. To prevent possible violation of same domain policy when targeting android.os.Build.VERSION_CODES#ICE_CREAM_SANDWICH_MR1 and earlier, you should explicitly set this value to false.

Parameters
flag Boolean: whether JavaScript running in the context of a file scheme URL should be allowed to access content from any origin

setBlockNetworkImage

Added in API level 1
abstract fun setBlockNetworkImage(flag: Boolean): Unit

Sets whether the WebView should not load image resources from the network (resources accessed via http and https URI schemes). Note that this method has no effect unless getLoadsImagesAutomatically returns true. Also note that disabling all network loads using setBlockNetworkLoads will also prevent network images from loading, even if this flag is set to false. When the value of this setting is changed from true to false, network images resources referenced by content currently displayed by the WebView are fetched automatically. The default is false.

Parameters
flag Boolean: whether the WebView should not load image resources from the network

setBlockNetworkLoads

Added in API level 8
abstract fun setBlockNetworkLoads(flag: Boolean): Unit

Sets whether the WebView should not load resources from the network. Use setBlockNetworkImage to only avoid loading image resources. Note that if the value of this setting is changed from true to false, network resources referenced by content currently displayed by the WebView are not fetched until android.webkit.WebView#reload is called. If the application does not have the android.Manifest.permission#INTERNET permission, attempts to set a value of false will cause a java.lang.SecurityException to be thrown. The default value is false if the application has the android.Manifest.permission#INTERNET permission, otherwise it is true.

Parameters
flag Boolean: true means block network loads by the WebView

setBuiltInZoomControls

Added in API level 3
abstract fun setBuiltInZoomControls(enabled: Boolean): Unit

Sets whether the WebView should use its built-in zoom mechanisms. The built-in zoom mechanisms comprise on-screen zoom controls, which are displayed over the WebView's content, and the use of a pinch gesture to control zooming. Whether or not these on-screen controls are displayed can be set with setDisplayZoomControls. The default is false.

The built-in mechanisms are the only currently supported zoom mechanisms, so it is recommended that this setting is always enabled. However, on-screen zoom controls are deprecated in Android (see android.widget.ZoomButtonsController) so it's recommended to disable setDisplayZoomControls.

Parameters
enabled Boolean: whether the WebView should use its built-in zoom mechanisms

setCacheMode

Added in API level 1
abstract fun setCacheMode(mode: Int): Unit

Overrides the way the cache is used. The way the cache is used is based on the navigation type. For a normal page load, the cache is checked and content is re-validated as needed. When navigating back, content is not revalidated, instead the content is just retrieved from the cache. This method allows the client to override this behavior by specifying one of LOAD_DEFAULT, LOAD_CACHE_ELSE_NETWORK, LOAD_NO_CACHE or LOAD_CACHE_ONLY. The default value is LOAD_DEFAULT.

Parameters
mode Int: the mode to use Value is android.webkit.WebSettings#LOAD_DEFAULT, android.webkit.WebSettings#LOAD_NORMAL, android.webkit.WebSettings#LOAD_CACHE_ELSE_NETWORK, android.webkit.WebSettings#LOAD_NO_CACHE, or android.webkit.WebSettings#LOAD_CACHE_ONLY

setCursiveFontFamily

Added in API level 1
abstract fun setCursiveFontFamily(font: String!): Unit

Sets the cursive font family name. The default is "cursive".

Parameters
font String!: a font family name

setDatabaseEnabled

Added in API level 5
Deprecated in API level 35
abstract fun setDatabaseEnabled(flag: Boolean): Unit

Deprecated: WebSQL is deprecated and this method will become a no-op on all Android versions once support is removed in Chromium. See https://developer.chrome.com/blog/deprecating-web-sql for more information.

Sets whether the database storage API is enabled. The default value is false. See also setDatabasePath for how to correctly set up the database storage API. This setting is global in effect, across all WebView instances in a process. Note you should only modify this setting prior to making any WebView page load within a given process, as the WebView implementation may ignore changes to this setting after that point.

Parameters
flag Boolean: true if the WebView should use the database storage API

setDatabasePath

Added in API level 5
Deprecated in API level 19
abstract fun setDatabasePath(databasePath: String!): Unit

Deprecated: Database paths are managed by the implementation and calling this method will have no effect.

Sets the path to where database storage API databases should be saved. In order for the database storage API to function correctly, this method must be called with a path to which the application can write. This method should only be called once: repeated calls are ignored.

Parameters
databasePath String!: a path to the directory where databases should be saved.

setDefaultFixedFontSize

Added in API level 1
abstract fun setDefaultFixedFontSize(size: Int): Unit

Sets the default fixed font size. The default is 16.

Parameters
size Int: a non-negative integer between 1 and 72. Any number outside the specified range will be pinned.

setDefaultFontSize

Added in API level 1
abstract fun setDefaultFontSize(size: Int): Unit

Sets the default font size. The default is 16.

Parameters
size Int: a non-negative integer between 1 and 72. Any number outside the specified range will be pinned.

setDefaultTextEncodingName

Added in API level 1
abstract fun setDefaultTextEncodingName(encoding: String!): Unit

Sets the default text encoding name to use when decoding html pages. The default is "UTF-8".

Parameters
encoding String!: the text encoding name

setDefaultZoom

Added in API level 7
Deprecated in API level 19
abstract fun setDefaultZoom(zoom: WebSettings.ZoomDensity!): Unit

Deprecated: This method is no longer supported, see the function documentation for recommended alternatives.

Sets the default zoom density of the page. This must be called from the UI thread. The default is ZoomDensity#MEDIUM. This setting is not recommended for use in new applications. If the WebView is utilized to display mobile-oriented pages, the desired effect can be achieved by adjusting 'width' and 'initial-scale' attributes of page's 'meta viewport' tag. For pages lacking the tag, android.webkit.WebView#setInitialScale and setUseWideViewPort can be used.

Parameters
zoom WebSettings.ZoomDensity!: the zoom density

setDisabledActionModeMenuItems

Added in API level 24
abstract fun setDisabledActionModeMenuItems(menuItems: Int): Unit

Disables the action mode menu items according to menuItems flag.

Parameters
menuItems Int: an integer field flag for the menu items to be disabled. Value is either 0 or a combination of android.webkit.WebSettings#MENU_ITEM_NONE, android.webkit.WebSettings#MENU_ITEM_SHARE, android.webkit.WebSettings#MENU_ITEM_WEB_SEARCH, and android.webkit.WebSettings#MENU_ITEM_PROCESS_TEXT

setDisplayZoomControls

Added in API level 11
abstract fun setDisplayZoomControls(enabled: Boolean): Unit

Sets whether the WebView should display on-screen zoom controls when using the built-in zoom mechanisms. See setBuiltInZoomControls. The default is true. However, on-screen zoom controls are deprecated in Android (see android.widget.ZoomButtonsController) so it's recommended to set this to false.

Parameters
enabled Boolean: whether the WebView should display on-screen zoom controls

setDomStorageEnabled

Added in API level 7
abstract fun setDomStorageEnabled(flag: Boolean): Unit

Sets whether the DOM storage API is enabled. The default value is false.

Parameters
flag Boolean: true if the WebView should use the DOM storage API

setEnableSmoothTransition

Added in API level 11
Deprecated in API level 17
abstract fun setEnableSmoothTransition(enable: Boolean): Unit

Deprecated: This method is now obsolete, and will become a no-op in future.

Sets whether the WebView will enable smooth transition while panning or zooming or while the window hosting the WebView does not have focus. If it is true, WebView will choose a solution to maximize the performance. e.g. the WebView's content may not be updated during the transition. If it is false, WebView will keep its fidelity. The default value is false.

setFantasyFontFamily

Added in API level 1
abstract fun setFantasyFontFamily(font: String!): Unit

Sets the fantasy font family name. The default is "fantasy".

Parameters
font String!: a font family name

setFixedFontFamily

Added in API level 1
abstract fun setFixedFontFamily(font: String!): Unit

Sets the fixed font family name. The default is "monospace".

Parameters
font String!: a font family name

setForceDark

Added in API level 29
Deprecated in API level 33
open fun setForceDark(forceDark: Int): Unit

Deprecated: The "force dark" model previously implemented by WebView was complex and didn't interoperate well with current Web standards for prefers-color-scheme and color-scheme. In apps with targetSdkVersionandroid.os.Build.VERSION_CODES#TIRAMISU this API is a no-op and WebView will always use the dark style defined by web content authors if the app's theme is dark. To customize the behavior, refer to setAlgorithmicDarkeningAllowed.

Set the force dark mode for this WebView.

Parameters
forceDark Int: the force dark mode to set. Value is android.webkit.WebSettings#FORCE_DARK_OFF, android.webkit.WebSettings#FORCE_DARK_AUTO, or android.webkit.WebSettings#FORCE_DARK_ON

See Also

setGeolocationDatabasePath

Added in API level 5
Deprecated in API level 24
abstract fun setGeolocationDatabasePath(databasePath: String!): Unit

Deprecated: Geolocation database are managed by the implementation and calling this method will have no effect.

Sets the path where the Geolocation databases should be saved. In order for Geolocation permissions and cached positions to be persisted, this method must be called with a path to which the application can write.

Parameters
databasePath String!: a path to the directory where databases should be saved.

setGeolocationEnabled

Added in API level 5
abstract fun setGeolocationEnabled(flag: Boolean): Unit

Sets whether Geolocation is enabled. The default is true.

Please note that in order for the Geolocation API to be usable by a page in the WebView, the following requirements must be met:

Parameters
flag Boolean: whether Geolocation should be enabled

setJavaScriptCanOpenWindowsAutomatically

Added in API level 1
abstract fun setJavaScriptCanOpenWindowsAutomatically(flag: Boolean): Unit

Tells JavaScript to open windows automatically. This applies to the JavaScript function window.open(). The default is false.

Parameters
flag Boolean: true if JavaScript can open windows automatically

setJavaScriptEnabled

Added in API level 1
abstract fun setJavaScriptEnabled(flag: Boolean): Unit

Tells the WebView to enable JavaScript execution. The default is false.

Parameters
flag Boolean: true if the WebView should execute JavaScript

setLayoutAlgorithm

Added in API level 1
abstract fun setLayoutAlgorithm(l: WebSettings.LayoutAlgorithm!): Unit

Sets the underlying layout algorithm. This will cause a re-layout of the WebView. The default is LayoutAlgorithm#NARROW_COLUMNS.

Parameters
l WebSettings.LayoutAlgorithm!: the layout algorithm to use, as a LayoutAlgorithm value

setLightTouchEnabled

Added in API level 1
Deprecated in API level 18
abstract fun setLightTouchEnabled(enabled: Boolean): Unit

Deprecated: From android.os.Build.VERSION_CODES#JELLY_BEAN this setting is obsolete and has no effect.

Enables using light touches to make a selection and activate mouseovers.

setLoadWithOverviewMode

Added in API level 7
abstract fun setLoadWithOverviewMode(overview: Boolean): Unit

Sets whether the WebView loads pages in overview mode, that is, zooms out the content to fit on screen by width. This setting is taken into account when the content width is greater than the width of the WebView control, for example, when getUseWideViewPort is enabled. The default is false.

setLoadsImagesAutomatically

Added in API level 1
abstract fun setLoadsImagesAutomatically(flag: Boolean): Unit

Sets whether the WebView should load image resources. Note that this method controls loading of all images, including those embedded using the data URI scheme. Use setBlockNetworkImage to control loading only of images specified using network URI schemes. Note that if the value of this setting is changed from false to true, all images resources referenced by content currently displayed by the WebView are loaded automatically. The default is true.

Parameters
flag Boolean: whether the WebView should load image resources

setMediaPlaybackRequiresUserGesture

Added in API level 17
abstract fun setMediaPlaybackRequiresUserGesture(require: Boolean): Unit

Sets whether the WebView requires a user gesture to play media. The default is true.

Parameters
require Boolean: whether the WebView requires a user gesture to play media

setMinimumFontSize

Added in API level 1
abstract fun setMinimumFontSize(size: Int): Unit

Sets the minimum font size. The default is 8.

Parameters
size Int: a non-negative integer between 1 and 72. Any number outside the specified range will be pinned.

setMinimumLogicalFontSize

Added in API level 1
abstract fun setMinimumLogicalFontSize(size: Int): Unit

Sets the minimum logical font size. The default is 8.

Parameters
size Int: a non-negative integer between 1 and 72. Any number outside the specified range will be pinned.

setMixedContentMode

Added in API level 21
abstract fun setMixedContentMode(mode: Int): Unit

Configures the WebView's behavior when a secure origin attempts to load a resource from an insecure origin. By default, apps that target android.os.Build.VERSION_CODES#KITKAT or below default to MIXED_CONTENT_ALWAYS_ALLOW. Apps targeting android.os.Build.VERSION_CODES#LOLLIPOP default to MIXED_CONTENT_NEVER_ALLOW. The preferred and most secure mode of operation for the WebView is MIXED_CONTENT_NEVER_ALLOW and use of MIXED_CONTENT_ALWAYS_ALLOW is strongly discouraged.

Parameters
mode Int: The mixed content mode to use. One of MIXED_CONTENT_NEVER_ALLOW, MIXED_CONTENT_ALWAYS_ALLOW or MIXED_CONTENT_COMPATIBILITY_MODE.

setNeedInitialFocus

Added in API level 1
abstract fun setNeedInitialFocus(flag: Boolean): Unit

Tells the WebView whether it needs to set a node to have focus when android.webkit.WebView#requestFocus(int,android.graphics.Rect) is called. The default value is true.

Parameters
flag Boolean: whether the WebView needs to set a node

setOffscreenPreRaster

Added in API level 23
abstract fun setOffscreenPreRaster(enabled: Boolean): Unit

Sets whether this WebView should raster tiles when it is offscreen but attached to a window. Turning this on can avoid rendering artifacts when animating an offscreen WebView on-screen. Offscreen WebViews in this mode use more memory. The default value is false.
Please follow these guidelines to limit memory usage:

  • WebView size should be not be larger than the device screen size.
  • Limit use of this mode to a small number of WebViews. Use it for visible WebViews and WebViews about to be animated to visible.

setPluginState

Added in API level 8
Deprecated in API level 18
abstract fun setPluginState(state: WebSettings.PluginState!): Unit

Deprecated: Plugins are not supported in API level android.os.Build.VERSION_CODES#KITKAT or later; enabling plugins is a no-op.

Tells the WebView to enable, disable, or have plugins on demand. On demand mode means that if a plugin exists that can handle the embedded content, a placeholder icon will be shown instead of the plugin. When the placeholder is clicked, the plugin will be enabled. The default is PluginState#OFF.

Parameters
state WebSettings.PluginState!: a PluginState value

setRenderPriority

Added in API level 1
Deprecated in API level 18
abstract fun setRenderPriority(priority: WebSettings.RenderPriority!): Unit

Deprecated: It is not recommended to adjust thread priorities, and this will not be supported in future versions.

Sets the priority of the Render thread. Unlike the other settings, this one only needs to be called once per process. The default value is RenderPriority#NORMAL.

Parameters
priority WebSettings.RenderPriority!: the priority

setSafeBrowsingEnabled

Added in API level 26
abstract fun setSafeBrowsingEnabled(enabled: Boolean): Unit

Sets whether Safe Browsing is enabled. Safe Browsing allows WebView to protect against malware and phishing attacks by verifying the links.

Safe Browsing can be disabled for all WebViews using a manifest tag (read general Safe Browsing info). The manifest tag has a lower precedence than this API.

Safe Browsing is enabled by default for devices which support it.

Parameters
enabled Boolean: Whether Safe Browsing is enabled.

setSansSerifFontFamily

Added in API level 1
abstract fun setSansSerifFontFamily(font: String!): Unit

Sets the sans-serif font family name. The default is "sans-serif".

Parameters
font String!: a font family name

setSaveFormData

Added in API level 1
Deprecated in API level 26
abstract fun setSaveFormData(save: Boolean): Unit

Deprecated: In Android O and afterwards, this function does not have any effect, the form data will be saved to platform's autofill service if applicable.

Sets whether the WebView should save form data. In Android O, the platform has implemented a fully functional Autofill feature to store form data. Therefore, the Webview form data save feature is disabled. Note that the feature will continue to be supported on older versions of Android as before.

setSavePassword

Added in API level 1
Deprecated in API level 18
abstract fun setSavePassword(save: Boolean): Unit

Deprecated: Saving passwords in WebView will not be supported in future versions.

Sets whether the WebView should save passwords. The default is true.

setSerifFontFamily

Added in API level 1
abstract fun setSerifFontFamily(font: String!): Unit

Sets the serif font family name. The default is "sans-serif".

Parameters
font String!: a font family name

setStandardFontFamily

Added in API level 1
abstract fun setStandardFontFamily(font: String!): Unit

Sets the standard font family name. The default is "sans-serif".

Parameters
font String!: a font family name

setSupportMultipleWindows

Added in API level 1
abstract fun setSupportMultipleWindows(support: Boolean): Unit

Sets whether the WebView whether supports multiple windows. If set to true, WebChromeClient#onCreateWindow must be implemented by the host application. The default is false.

Parameters
support Boolean: whether to support multiple windows

setSupportZoom

Added in API level 1
abstract fun setSupportZoom(support: Boolean): Unit

Sets whether the WebView should support zooming using its on-screen zoom controls and gestures. The particular zoom mechanisms that should be used can be set with setBuiltInZoomControls. This setting does not affect zooming performed using the WebView#zoomIn() and WebView#zoomOut() methods. The default is true.

Parameters
support Boolean: whether the WebView should support zoom

setTextSize

Added in API level 1
Deprecated in API level 15
open fun setTextSize(t: WebSettings.TextSize!): Unit

Deprecated: Use setTextZoom instead.

Sets the text size of the page. The default is TextSize#NORMAL.

Parameters
t WebSettings.TextSize!: the text size as a TextSize value

setTextZoom

Added in API level 14
abstract fun setTextZoom(textZoom: Int): Unit

Sets the text zoom of the page in percent. The default is 100.

Parameters
textZoom Int: the text zoom in percent

setUseWideViewPort

Added in API level 1
abstract fun setUseWideViewPort(use: Boolean): Unit

Sets whether the WebView should enable support for the "viewport" HTML meta tag or should use a wide viewport. When the value of the setting is false, the layout width is always set to the width of the WebView control in device-independent (CSS) pixels. When the value is true and the page contains the viewport meta tag, the value of the width specified in the tag is used. If the page does not contain the tag or does not provide a width, then a wide viewport will be used.

Parameters
use Boolean: whether to enable support for the viewport meta tag

setUserAgentString

Added in API level 3
abstract fun setUserAgentString(ua: String?): Unit

Sets the WebView's user-agent string. If the string is null or empty, the system default value will be used.

If the user-agent is overridden in this way, the values of the User-Agent Client Hints headers and navigator.userAgentData for this WebView could be changed.

See androidx.webkit.WebSettingsCompat #setUserAgentMetadata(WebSettings,UserAgentMetadata) for details.

Note that starting from android.os.Build.VERSION_CODES#KITKAT Android version, changing the user-agent while loading a web page causes WebView to initiate loading once again.

Parameters
ua String?: new user-agent string This value may be null.

supportMultipleWindows

Added in API level 1
abstract fun supportMultipleWindows(): Boolean

Gets whether the WebView supports multiple windows.

Return
Boolean true if the WebView supports multiple windows

supportZoom

Added in API level 1
abstract fun supportZoom(): Boolean

Gets whether the WebView supports zoom.

Return
Boolean true if the WebView supports zoom

See Also