use tts::*; fn run() -> Result<(), Error> { let mut tts = TTS::default()?; let Features { utterance_callbacks, .. } = tts.supported_features(); if utterance_callbacks { tts.on_utterance_begin(Some(Box::new(|utterance| { println!("Started speaking {:?}", utterance) })))?; tts.on_utterance_end(Some(Box::new(|utterance| { println!("Finished speaking {:?}", utterance) })))?; tts.on_utterance_stop(Some(Box::new(|utterance| { println!("Stopped speaking {:?}", utterance) })))?; } let Features { is_speaking, .. } = tts.supported_features(); if is_speaking { println!("Are we speaking? {}", tts.is_speaking()?); } tts.speak("Hello, world.", false)?; let Features { rate, .. } = tts.supported_features(); if rate { let original_rate = tts.get_rate()?; tts.speak(format!("Current rate: {}", original_rate), false)?; tts.set_rate(tts.max_rate())?; tts.speak("This is very fast.", false)?; tts.set_rate(tts.min_rate())?; tts.speak("This is very slow.", false)?; tts.set_rate(tts.normal_rate())?; tts.speak("This is the normal rate.", false)?; tts.set_rate(original_rate)?; } let Features { pitch, .. } = tts.supported_features(); if pitch { let original_pitch = tts.get_pitch()?; tts.set_pitch(tts.max_pitch())?; tts.speak("This is high-pitch.", false)?; tts.set_pitch(tts.min_pitch())?; tts.speak("This is low pitch.", false)?; tts.set_pitch(tts.normal_pitch())?; tts.speak("This is normal pitch.", false)?; tts.set_pitch(original_pitch)?; } let Features { volume, .. } = tts.supported_features(); if volume { let original_volume = tts.get_volume()?; tts.set_volume(tts.max_volume())?; tts.speak("This is loud!", false)?; tts.set_volume(tts.min_volume())?; tts.speak("This is quiet.", false)?; tts.set_volume(tts.normal_volume())?; tts.speak("This is normal volume.", false)?; tts.set_volume(original_volume)?; } tts.speak("Goodbye.", false)?; Ok(()) } #[cfg_attr(target_os = "android", ndk_glue::main(backtrace = "on"))] pub fn main() { run().expect("Failed to run"); }