Android Tutorial [B4X] WebView + CKEditor (rich text editor)

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This is a cross platform example that adds CKEditor rich text editor using WebView: https://ckeditor.com/ckeditor-5/
Make sure to read CKEditor licensing and pricing: https://ckeditor.com/pricing/ (related discussion: https://www.b4x.com/android/forum/threads/rich-editor-that-will-load-html.133256/#post-842092)

It also shows how to get the html string using this useful sub:

B4X:
Private Sub RunJavaScript (js As String) As ResumableSub
    #if B4A
    WebViewExtras1.executeJavascript(WebView1, $"B4A.CallSub('Process_HTML', true, ${js})"$)
    Wait For Process_Html(html 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, Result As String)
    Return Result
    #end if
End Sub

It will require more work to make it actually useful but it should be a good start for anyone who is looking for a cross platform rich text editor.

Download link: www.b4x.com/android/files/CKEditor.zip
B4A depends on WebViewExtras: https://www.b4x.com/android/forum/threads/12453/#content
 
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