Godot Android Text to Speech plugin for Godot Engine 3.4 or higher

Ilia Bardinov

Last update: Nov 13, 2022

Overview

Godot Android Text to Speech

This is a Android plugin for Godot Engine 3.4 or higher.

This plugin supports:

Text to speech in different locale

Setup

Configure, install and enable the "Android Custom Template" for your project, just follow the official documentation;
go to the release tab, choose a version and download the respective package;
extract the package and putGodotTTS.gdap and GodotTTS.x.y.z.release.aar inside the res://android/plugins directory on your Godot project.
on the Project -> Export... -> Android -> Options ->
- Custom Template: check the Use Custom Build
- Plugins: check the Godot # Godot Tts (this plugin)

API Reference

Methods

# Init TTS engine with language and country (example -> "en", "US")
initTextToSpeech(String lang, String country)

# Is languange can be used in engine, returns constant
isLanguageAvailable(String lang, String country)

# TTS, play text with specified voice
textToSpeech(String text)

# Stop playing voice
stop()

Compiling the Plugin (optional)

If you want to compile the plugin by yourself, it's very easy:

clone this repository;
checkout the desired version;
open godot-text-to-speech directory in Android Studio
don't forget to put godot-lib.release.aar to godot-lib.release directory

If everything goes fine, you'll find the .aar files at godot-text-to-speech/godot-tts/build/outputs/aar/.

Troubleshooting

First of all, please make sure you're able to compile the custom build for Android without plugin, this way we can isolate the cause of the issue.
Using logcat for Android is the best way to troubleshoot most issues. You can filter Godot only messages with logcat using the command:

adb logcat -s godot

References

Google Developers:

https://developer.android.com/reference/android/speech/tts/TextToSpeech

License

MIT license

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Comments

Additional methods and signals

I have exposed some more TTS methods and added signals for detecting when then engine starts and stops speaking. I also renamed two methods to match the Google API closer (to avoid tts.initTextToSpeech and tts.textToSpeech). Finally I added a null check when the engine is shut down.

opened by project-shasta 0