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Welcome to B4X forum!
B4X is a set of simple and powerful cross platform RAD tools:
- B4A (free) - Android development
- B4J (free) - Desktop and Server development
- B4i - iOS development
- B4R (free) - Arduino, ESP8266 and ESP32 development
Search Results
B4J Question [ Webview ] Is there any way to execute direct javascript functions in the b4j webview? - Erel (first post) Sep 20, 2023 (1 reaction) Cross platform code: https://www.b4x.com/android/forum/threads/b4x-webview-ckeditor-rich-text-editor.133260/#content... B4A Tutorial [B4X] WebView + CKEditor (rich text editor) - Erel Oct 20, 2022 (18 reactions) RunJavaScript (js As String) As ResumableSub #if B4A WebViewExtras1.executeJavascript... As String) Return html #Else If B4J Return WebView1.As(JavaObject).RunMethodJO("getEngine", Null).RunMethod("executeScript", Array(js)) #Else If B4i Dim sf As Object = WebView1.EvaluateJavaScript(js) Wait For (sf) WebView1_JSComplete (Success As Boolean...117571 This is a cross platform example that adds CKEditor rich text editor using WebView: https... B4A Library WebViewExtras - warwound Oct 16, 2023 (36 reactions) tags: Webview false, only the RAM cache is cleared.
executeJavascript(webView1 As WebView, javascriptStatement As String)
Executes a string of one or more javascript statements in webView1.
javascriptStatement...:
addJavascriptInterface(webView1 As WebView, interfaceName As String)
Add a javascript interface to webView1, methods of the interface can be accessed using javascript with the interfaceName... B4A Question Webpage on a WebView, populate the page - b4x-de (first post) Jun 25, 2025 Check WebView.LoadURL() and search the forum for webview+JavaScript: https://www.b4x.com/android/forum/pages/results/?query=webview+execute+javaScript... B4A Question Execute javascript inside a webview - hub73 Mar 15, 2016 i use a webview inside my application. i'm loading a php page. Is it possible to include some javascript inside the php code ?
i'm trying this ... but no alert message displayed on screen :
print ("
<script language='JavaScript'>
alert(\"This carriage return... B4A Question executeJavascript problem in webview - cbanks (first post) Jan 14, 2014 Thanks for all your help! I got it working by only including the numbers as variables.... B4A Question webview - get a bitmap with javascript - yo3ggx Jan 20, 2023 ('mpcanvas0'));"$
WebViewExtrasSDR.executeJavascript(WebView1,text)
Sub pic_cb(b As Object...I want to extract the image in a bitmap using a webview and javascript commands.
The code on the web page looks like that:
<canvas class="mypic" id="mpcanvas0" width="1024" height="100" >test</canvas>
The image is dynamically changed. If... B4A Question Problem setting values 2 webpage controls - RB Smissaert Nov 3, 2019 (WebView1, JavaScript)
but again same result.
The control names are fine, copied from the web source... & "';"
WebViewExtras1.executeJavascript(WebView1, Javascript) '<<<<...) & "';"
WebViewExtras1.executeJavascript(WebView1, Javascript) '<<<... & "';"
WebViewExtras1.executeJavascript(WebView1, Javascript) '<<<<... B4A Question Pass more than 3 arguments from B4A to WebView Javascript function - max123 May 31, 2024 created two releases of this app, one with Javascript injected using WebViewExtras.executeJavascript in... I put a ScrollView with a long EditText, here I write directly the Javascript code to be executed in... the EditText I do not see the HTML file, just the Javascript to put inside the HTML <script>... string with Javascript too and load it in the WebView, this work very well and just by changing the JS..., I started from here: https://www.b4x.com/android/forum/threads/b4x-using-three-js-webgl-in-a-webview... B4A Question read value of function return in webview - b4x-de (first post) Jul 6, 2025 This can be also done this way:
WebView_ex.executeJavascript(WebView1, $"B4A.CallSub('MySubName', true, myFunction(28,25))"$)
and even shorter:
WebView_ex.executeJavascript(WebView1, $"B4A.CallSub('MySubName', true, myFunction(28,25))"$)
Wait For MySubName(result AS Int)... Page: 1 2 3 4 5 6 7 |