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[Android.Runtime.Register("evaluateJavascript", "(Ljava/lang/String;Landroid/webkit/ValueCallback;)V", "GetEvaluateJavascript_Ljava_lang_String_Landroid_webkit_ValueCallback_Handler")]
public virtual void EvaluateJavascript (string script, Android.Webkit.IValueCallback? resultCallback);
[<Android.Runtime.Register("evaluateJavascript", "(Ljava/lang/String;Landroid/webkit/ValueCallback;)V", "GetEvaluateJavascript_Ljava_lang_String_Landroid_webkit_ValueCallback_Handler")>]
abstract member EvaluateJavascript : string * Android.Webkit.IValueCallback -> unit
override this.EvaluateJavascript : string * Android.Webkit.IValueCallback -> unit
Parameters
A callback to be invoked when the script execution
completes with the result of the execution (if any).
May be
null
if no notification of the result is required.
Remarks
Asynchronously evaluates JavaScript in the context of the currently displayed page. If non-null,
resultCallback
will be invoked with any result returned from that execution. This method must be called on the UI thread and the callback will be made on the UI thread.
Compatibility note. Applications targeting
android.os.Build.VERSION_CODES#N
or later, JavaScript state from an empty WebView is no longer persisted across navigations like
#loadUrl(String)
. For example, global variables and functions defined before calling
#loadUrl(String)
will not exist in the loaded page. Applications should use
#addJavascriptInterface
instead to persist JavaScript objects across navigations.
Java documentation for
android.webkit.WebView.evaluateJavascript(java.lang.String, android.webkit.ValueCallback<java.lang.String>)
.
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.
