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[Dave Nottage 546]

3 hours ago, Dave Nottage said:

It appears Android's WebView does not like part of the JavaScript (it works on macOS and iOS). I'm looking into it

I discovered what the problem is: The "default" TWebBrowser implementation for Android uses loadUrl:

procedure TAndroidWebBrowserService.EvaluateJavaScript(const AJavaScript: string);
begin
  FWebView.loadUrl(StringToJString('javascript:' + AJavaScript));
  UpdateContentFromControl;
end;

Which I guess does not accept the JavaScript that I provided. In TWebBrowserExt, it uses the evaluateJavascript method:

procedure TPlatformWebBrowserExt.ExecuteJavaScript(const AJavaScript: string; const AHandler: TJavaScriptResultProc);
begin
  if FWebView <> nil then
    FWebView.evaluateJavascript(StringToJString(AJavaScript), CreateValueCallback(AHandler))
  else
    AHandler(cJavaScriptNullResult, -1);
end;

Which does work. I've now added a demo to the HowTo repository, which uses TWebBrowserExt, and it works on Android (as well as iOS and macOS)

[MMSoft 0]

Sorry I can't get it to work, I already have a long list of folders in which Delphi contains the necessary 
files, and I have the idea that now all files can be found.
But now I get this error message:
[DCC Error] Unit1.pas(69): E2003 Undeclared identifier: 'cJavaScriptClickAtXY'
It's possible that I'm using the wrong (outdated) file

[Dave Nottage 546]

1 hour ago, MMSoft said:

I have the idea that now all files can be found.
But now I get this error message:
[DCC Error] Unit1.pas(69): E2003 Undeclared identifier: 'cJavaScriptClickAtXY'

The demo shows all the required folders in the Search path of Project Options. For that identifier you'd be missing the Features\JavaScript folder of Kastri

[MMSoft 0]

Just downloaded the latest version: https://github.com/DelphiWorlds/Kastri

 

And set up these search paths:
C:\Users\mvsan\Downloads\Kastri-master\Kastri-master\Core
C:\Users\mvsan\Downloads\Kastri-master\Kastri-master\API
C:\Users\mvsan\Downloads\Kastri-master\Kastri-master\Controls
C:\Users\mvsan\Downloads\Kastri-master\Kastri-master\Features\JavaScript
C:\Users\mvsan\Downloads\Kastri-master\Kastri-master\Features\WebBrowserExt

 

But keep getting this error message:
[DCC Error] Unit1.pas(69): E2003 Undeclared identifier: 'cJavaScriptClickAtXY'
[DCC Error] Unit1.pas(69): E2250 There is no overloaded version of 'Format' that can be called with these arguments