WebChromeClient.OnJsBeforeUnload(WebView, String, String, JsResult) Method

Reference

Definition

Namespace:: Android.Webkit

Assembly:: Mono.Android.dll

Important

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Notify the host application that the web page wants to confirm navigation from JavaScript onbeforeunload.

[Android.Runtime.Register("onJsBeforeUnload", "(Landroid/webkit/WebView;Ljava/lang/String;Ljava/lang/String;Landroid/webkit/JsResult;)Z", "GetOnJsBeforeUnload_Landroid_webkit_WebView_Ljava_lang_String_Ljava_lang_String_Landroid_webkit_JsResult_Handler")]
public virtual bool OnJsBeforeUnload (Android.Webkit.WebView? view, string? url, string? message, Android.Webkit.JsResult? result);

[<Android.Runtime.Register("onJsBeforeUnload", "(Landroid/webkit/WebView;Ljava/lang/String;Ljava/lang/String;Landroid/webkit/JsResult;)Z", "GetOnJsBeforeUnload_Landroid_webkit_WebView_Ljava_lang_String_Ljava_lang_String_Landroid_webkit_JsResult_Handler")>]
abstract member OnJsBeforeUnload : Android.Webkit.WebView * string * string * Android.Webkit.JsResult -> bool
override this.OnJsBeforeUnload : Android.Webkit.WebView * string * string * Android.Webkit.JsResult -> bool

Parameters

view: WebView

The WebView that initiated the callback.

url: String

The url of the page requesting the dialog.

message: String

Message to be displayed in the window.

result: JsResult

A JsResult used to send the user's response to javascript.

Returns

Boolean

boolean true if the request is handled or ignored. false if WebView needs to show the default dialog.

Attributes: RegisterAttribute

Remarks

Java documentation for android.webkit.WebChromeClient.onJsBeforeUnload(android.webkit.WebView, java.lang.String, java.lang.String, android.webkit.JsResult).

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.

Applies to