Delphi Cookbook - Third Edition

How it works...

Open the project group containing the mobile app and the VCL application.

In the mobile application, we have an empty form with a label on it aligned to the client. At the form startup (one second after form creation), we configure the TTS engine with the following code:

procedure TMainForm.Timer1Timer(Sender: TObject); begin  Timer1.Enabled := False;  FTTS := TJTextToSpeech.JavaClass.init(TAndroidHelper.Context, FTTSListener); end;

The FTTSListener instance is a TJavaLocal descendent implementing the required JTextToSpeech_OnInitListener interface. The TTS system is getting initialized and, when done, the listener onInit method is called (check the unit TTSListenerU.pas). However, if the TTS engine is correctly initialized, ...