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Questions tagged [evaluatejavascript]

28 questions
4
votes
1 answer

WKWebView evaluateJavaScript returns wrong JavaScript Object

I'm making a hybrid app and using WKWebView. I need to pass a JavaScript Object to the emitter command to open the edit dialog. Here is my code: let statDict: [String: Any] = [ "income" : account.stat.income, …
andrey leganov
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4 answers

Evaluate JavaScript returning empty list , but working in PowerShell and CMD

I have two evaluate javascript one is returning a null value and the other is returning an emptylist[1] when the list size is not greater than 0 both of them were giving the output when run in PowerShell with node on the local Windows machine here…
Vasant Raval
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3
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1 answer

Handle Promise from Android WebView with evaluateJavascript

I'm working with the Android WebView and trying to handle the return of a JavaScript promise from the WebView on the Java side after calling it with evaluateJavascript. document.java Button buttonAnnotations =…
stonedonkey
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3
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1 answer

Flutter Webview or InAppWebview does not evaluate javascript each time

import 'dart:io'; import 'package:flutter/material.dart'; import 'package:flutter_inappwebview/flutter_inappwebview.dart'; Future main() async { WidgetsFlutterBinding.ensureInitialized(); if (Platform.isAndroid) { await…
Learn IT
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2
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1 answer

WebView communication with iOS application using evaluateJavaScript Holds security risk

I am using Webview on an application for some of the views we show. I have been tasked with finding a way to listen back to the native platform response, in this case, the iOS system. My iOS developer shows me a POC using evaluateJavaScript ref…
user24136
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2
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1 answer

Fatal error while using evaluateJavaScript on WKWebView

WKWebView crashes while trying to evaluate JavaScript on Xcode 14.1, using Swift, tested on iOS but same behaviour should be on macOS. I made a vastly simplified example to try to find a solution, and it keeps crashing: let webView =…
vicegax
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2
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1 answer

WKWebView - evaluate JavaScript without seeing changes

In my SwiftUI App, i used a WKWebView to update some html tags from native side, using SwiftUI TextFields. To get the communication working, i am using the evaluateJavaScript() method to send data from native to webview. My code looks like…
Niklas
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How to evaluateJavaScript when app goes to background WKWebView?

I am create html page with HTML5 IMA SDK player and then load this page to WKWebView, all work fine pause, playing content etc, but I want "pause" content when app goes to background for achieve this I did tried used "WKWebView evaluateJavaScript"…
Ice
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How does Android implement evaluateJavascript?

I hope to know some implementation details of WebView's evaluateJavascript. How does WebView execute the injected JavaScript code and return the result back to the Java part? For example, suppose I use this API to execute jsCode and then receive the…
Richard Hu
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1 answer

Window webkit failure postMessage iOS Swift

I am trying to create a library that open a web view in a class, where the objetive is opened it but does not see it in the screen. I created and try to execute a javaScript that makes a postMessage, to obtain the result for example in the method…
david vargas
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1 answer

xamarin.android webview evaluatejavascript It does not return any value at all

I have a fundamental problem that I can not really understand where the problem comes from. I am designing a project by xamarin.android webview. Now I need to run a Java function in Web View and check the return value in a if function. I searched…
Morteza.Zaker
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1 answer

nested stringByEvaluatingJavaScript in UIWebview migrate to WKWebview

In UIWebview implementation I had something like:- if let pageBody = webView?.stringByEvaluatingJavaScript(from: "document.body.innerHTML") { if pageBody.contains("xyz") { return…
ShaluRaj
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1 answer

How to run javascript in a webview from Swift

I need my swift class to interact with the html and javascript in a wkwebview that it references, in particular, feed it a variable. I thought I would start simply by trying to get the webview to fire an alert: Here is the code: let webView =…
user6631314
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How to use webView.evaluateJavaScript in Swift

I need my swift class to interact with the html and javascript in a wkwebview that it references, in particular, feed it a variable. I thought I would start simply by trying to get the webview to retrieve something using getElementByID following the…
user6631314
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2 answers

How to load CSS file by using URL in WKWebView

I want to inject CSS by using URL link , Working Working below code, If I store CSS file in Bundle path of project, lazy var webView: WKWebView = { guard let path = Bundle.main.path(forResource: "style", ofType: "css") else { return…
Jaywant Khedkar
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