adaptive_brightness25_oop.tsx

// Adaptive Brightness Controller in TypeScript (OOP)
import React, { Component } from 'react';
import { View, Text, Button } from 'react-native';
import { RNCamera } from 'react-native-camera';
import { captureScreen } from 'react-native-view-shot';
import SystemBrightness from 'react-native-system-brightness';

interface BrightnessControllerProps { }

interface BrightnessControllerState {
    brightness: number;
    targetBrightness: number;
    error: number;
}

class BrightnessController extends Component<BrightnessControllerProps, BrightnessControllerState> {
    private readonly UPDATE_INTERVAL = 1000;
    private readonly BRIGHTNESS_SMOOTHING_FACTOR = 0.1;

    constructor(props: BrightnessControllerProps) {
        super(props);
        this.state = {
            brightness: 0,
            targetBrightness: 0.5, // Default target brightness
            error: 0,
        };
    }

    componentDidMount() {
        this.startBrightnessAdjustment();
    }

    componentWillUnmount() {
        this.stopBrightnessAdjustment();
    }

    private intervalId: NodeJS.Timeout | undefined;

    startBrightnessAdjustment = () => {
        this.intervalId = setInterval(this.adjustBrightness, this.UPDATE_INTERVAL);
    };

    stopBrightnessAdjustment = () => {
        if (this.intervalId) {
            clearInterval(this.intervalId);
        }
    };

    adjustBrightness = async () => {
        const [cameraFrame, screenshot] = await Promise.all([
            this.getCameraFrame(),
            this.getScreenshot(),
        ]);

        const cameraBrightness = await this.analyzeBrightness(cameraFrame);
        const screenshotBrightness = await this.analyzeBrightness(screenshot);

        const ambientBrightness = (cameraBrightness + screenshotBrightness) / 2;
        const { brightness, targetBrightness } = this.state;
        const error = targetBrightness - ambientBrightness;

        const adjustment = error * this.BRIGHTNESS_SMOOTHING_FACTOR;
        const newBrightness = Math.max(0, Math.min(1, brightness + adjustment));

        this.setState({
            brightness: newBrightness,
            error: error,
        });

        await SystemBrightness.setBrightness(newBrightness);
    };

    getCameraFrame = async () => {
        // Use RNCamera to capture a frame from the device camera
        // Return the captured frame
    };

    getScreenshot = async () => {
        // Use react-native-view-shot to capture a screenshot
        const uri = await captureScreen();
        // Load the screenshot image and return it
    };

    analyzeBrightness = async (image: any) => {
        // Analyze the brightness of the provided image
        // Return the calculated brightness value between 0 and 1
    };

    render() {
        const { brightness, error } = this.state;

        return (
            <View>
                <Text>{ `Current brightness: ${brightness.toFixed(2)}` }</Text>
                <Text>{ `Error: ${error.toFixed(2)}` }</Text>
                <Button
                    title="Adjust Brightness"
                    onPress={ this.adjustBrightness }
                />
            </View>
        );
    }
}
export default BrightnessController;