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Refactor react-native example for improved ergonomics #147

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81 changes: 53 additions & 28 deletions evi-react-native-example/App.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,7 @@ interface ChatEntry {
content: string;
}

type ConnectionState = "disconnected" | "connecting" | "connected";

// WARNING! For development only. In production, the app should hit your own backend server to get an access token, using "token authentication" (see https://dev.hume.ai/docs/introduction/api-key#token-authentication)
const humeClientWithApiKey = () => {
Expand All @@ -52,7 +53,8 @@ const humeClientWithAccessToken = async () => {
}

const App = () => {
const [isConnected, setIsConnected] = useState(false);
const [connectionState, setConnectionState] =
useState<ConnectionState>("disconnected");
const [isMuted, setIsMuted] = useState(false);
const [chatEntries, setChatEntries] = useState<ChatEntry[]>([]);
const humeRef = useRef<HumeClient | null>(null);
Expand Down Expand Up @@ -118,7 +120,7 @@ const App = () => {
});

chatSocket.on("close", () => {
setIsConnected(false);
setConnectionState("disconnected");
});

chatSocketRef.current = chatSocket;
Expand Down Expand Up @@ -147,42 +149,55 @@ const App = () => {
chatSocketRef.current.close();
}
};

useEffect(() => {
if (isConnected) {
handleConnect().catch((error) => {
console.error("Error while connecting:", error);
});
} else {
handleDisconnect().catch((error) => {
console.error("Error while disconnecting:", error);
});
}
const onUnmount = () => {
return () => {
NativeAudio.stopRecording().catch((error: any) => {
console.error("Error while stopping recording", error);
});

if (
chatSocketRef.current &&
chatSocketRef.current.readyState === WebSocket.OPEN
) {
chatSocketRef.current?.close();
}
};
return onUnmount;
}, [isConnected]);
}, []);

useEffect(() => {
if (isMuted) {
NativeAudio.mute().catch((error) => {
console.error("Error while muting", error);
});
} else {
NativeAudio.unmute().catch((error) => {
console.error("Error while unmuting", error);
});
const connect = async () => {
setConnectionState("connecting");
try {
await handleConnect();
setConnectionState("connected");
} catch (error) {
console.error("Error while connecting:", error);
setConnectionState("disconnected");
}
}, [isMuted]);
};

const disconnect = async () => {
try {
await handleDisconnect();
setConnectionState("disconnected");
} catch (error) {
console.error("Error while disconnecting:", error);
}
};

const mute = () => {
setIsMuted(true);
NativeAudio.mute().catch((error) => {
console.error("Error while muting", error);
});
};

const unmute = () => {
setIsMuted(false);
NativeAudio.unmute().catch((error) => {
console.error("Error while unmuting", error);
});
};

const handleInterruption = () => {
NativeAudio.stopPlayback();
Expand Down Expand Up @@ -250,6 +265,9 @@ const App = () => {
}
};

const isConnecting = connectionState === "connecting";
const isConnected = connectionState === "connected";

return (
<View style={styles.appBackground}>
<SafeAreaView style={styles.container}>
Expand All @@ -275,12 +293,19 @@ const App = () => {
</ScrollView>
<View style={styles.buttonContainer}>
<Button
title={isConnected ? "Disconnect" : "Connect"}
onPress={() => setIsConnected(!isConnected)}
disabled={isConnecting}
title={
isConnecting
? "Connecting..."
: isConnected
? "Disconnect"
: "Connect"
}
onPress={() => (isConnected ? disconnect() : connect())}
/>
<Button
title={isMuted ? "Unmute" : "Mute"}
onPress={() => setIsMuted(!isMuted)}
onPress={() => (isMuted ? unmute() : mute())}
/>
</View>
</SafeAreaView>
Expand Down