Initialize Schnappix Photo Booth application with custom UVC camera, silent Wi-Fi IPP printing, local gallery storage, and kiosk screen pinning support

This commit is contained in:
2026-05-25 16:44:15 +02:00
parent 5958319772
commit 872e1ffc86
51 changed files with 8931 additions and 1 deletions
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import React, { useState, useEffect } from 'react';
import {
StyleSheet,
Text,
View,
TextInput,
TouchableOpacity,
ScrollView,
Switch,
Alert,
} from 'react-native';
import { THEME } from '../styles/theme';
import KioskMode from '../../modules/kiosk-mode';
import { AppSettings, saveSettings } from '../services/settings';
interface AdminScreenProps {
currentSettings: AppSettings;
onSave: (settings: AppSettings) => void;
onClose: () => void;
}
export default function AdminScreen({ currentSettings, onSave, onClose }: AdminScreenProps) {
const [countdown, setCountdown] = useState<string>(String(currentSettings.countdownDuration));
const [printerIp, setPrinterIp] = useState<string>(currentSettings.printerIp);
const [password, setPassword] = useState<string>(currentSettings.adminPassword);
const [kioskActive, setKioskActive] = useState<boolean>(false);
const [isDeviceOwner, setIsDeviceOwner] = useState<boolean>(false);
// Load Kiosk and Device Owner status on mount
useEffect(() => {
const checkKioskStatus = () => {
try {
const active = KioskMode.isKioskActive();
const owner = KioskMode.isDeviceOwner();
setKioskActive(active);
setIsDeviceOwner(owner);
} catch (e) {
console.warn('Failed to query native KioskMode module:', e);
}
};
checkKioskStatus();
// Poll status every second
const interval = setInterval(checkKioskStatus, 1000);
return () => clearInterval(interval);
}, []);
const handleKioskToggle = (enable: boolean) => {
try {
if (enable) {
const success = KioskMode.startKiosk();
if (success) {
setKioskActive(true);
Alert.alert(
'Kiosk Mode Started',
isDeviceOwner
? 'True Kiosk Mode active. System navigation buttons are completely locked.'
: 'Screen Pinning initiated. Accept the OS prompt to lock the screen.'
);
} else {
Alert.alert('Error', 'Failed to start Kiosk Mode.');
}
} else {
const success = KioskMode.stopKiosk();
if (success) {
setKioskActive(false);
Alert.alert('Kiosk Mode Stopped', 'System navigation buttons are unlocked.');
} else {
Alert.alert('Error', 'Failed to stop Kiosk Mode.');
}
}
} catch (e: any) {
Alert.alert('Native Error', e.message || 'Kiosk module error');
}
};
const handleSave = async () => {
const duration = parseInt(countdown, 10);
if (isNaN(duration) || duration < 1 || duration > 30) {
Alert.alert('Invalid Input', 'Countdown duration must be a number between 1 and 30 seconds.');
return;
}
if (!printerIp.trim()) {
Alert.alert('Invalid Input', 'Printer IP address cannot be empty.');
return;
}
if (!password.trim() || password.length < 4) {
Alert.alert('Invalid Input', 'Admin password must be at least 4 digits.');
return;
}
const updated: AppSettings = {
countdownDuration: duration,
printerIp: printerIp.trim(),
adminPassword: password.trim(),
kioskModeEnabled: kioskActive,
};
try {
await saveSettings(updated);
onSave(updated);
Alert.alert('Success', 'Settings saved successfully!');
} catch (e) {
Alert.alert('Error', 'Failed to save settings to disk.');
}
};
return (
<View style={styles.container}>
<View style={styles.headerRow}>
<Text style={styles.title}>SCHNAPPIX SETTINGS</Text>
<TouchableOpacity style={styles.closeBtn} onPress={onClose}>
<Text style={styles.closeBtnText}>Back to Booth</Text>
</TouchableOpacity>
</View>
<ScrollView contentContainerStyle={styles.scrollContent}>
{/* Printer Configurations */}
<View style={styles.card}>
<Text style={styles.cardTitle}>Printer Configuration</Text>
<Text style={styles.cardDesc}>
Configure the local IP address of your Wi-Fi connected Canon CP1300 printer.
</Text>
<View style={styles.inputGroup}>
<Text style={styles.label}>Printer IP Address</Text>
<TextInput
style={styles.input}
placeholder="e.g. 192.168.1.100"
placeholderTextColor={THEME.colors.textMuted}
value={printerIp}
onChangeText={setPrinterIp}
keyboardType="numeric"
/>
</View>
</View>
{/* Booth Behavior */}
<View style={styles.card}>
<Text style={styles.cardTitle}>Photo Booth Behavior</Text>
<View style={styles.inputGroup}>
<Text style={styles.label}>Countdown Duration (seconds)</Text>
<TextInput
style={styles.input}
placeholder="Default: 3"
placeholderTextColor={THEME.colors.textMuted}
value={countdown}
onChangeText={setCountdown}
keyboardType="number-pad"
/>
</View>
<View style={styles.inputGroup}>
<Text style={styles.label}>Admin Panel Password</Text>
<TextInput
style={styles.input}
placeholder="Default: 1234"
placeholderTextColor={THEME.colors.textMuted}
secureTextEntry
value={password}
onChangeText={setPassword}
keyboardType="number-pad"
/>
</View>
</View>
{/* Security & Kiosk Mode */}
<View style={styles.card}>
<Text style={styles.cardTitle}>Kiosk Mode & Security</Text>
<Text style={styles.cardDesc}>
Lock the screen to prevent guests from closing the app or opening system settings.
</Text>
<View style={styles.statusRow}>
<Text style={styles.statusLabel}>Kiosk Mode State:</Text>
<Text style={[styles.statusValue, kioskActive ? styles.statusActive : styles.statusInactive]}>
{kioskActive ? 'LOCKED 🔒' : 'UNLOCKED 🔓'}
</Text>
</View>
<View style={styles.statusRow}>
<Text style={styles.statusLabel}>Device Owner Mode:</Text>
<Text style={[styles.statusValue, isDeviceOwner ? styles.statusActive : styles.statusWarning]}>
{isDeviceOwner ? 'ACTIVE (True Lock) ✅' : 'INACTIVE (Screen Pinning Fallback) ⚠️'}
</Text>
</View>
{!isDeviceOwner && (
<Text style={styles.kioskWarningText}>
Note: To enable True Lock task mode without prompt bypasses, make the app device owner using ADB.
</Text>
)}
<View style={styles.toggleRow}>
<Text style={styles.toggleLabel}>Lock Screen (Kiosk Mode)</Text>
<Switch
value={kioskActive}
onValueChange={handleKioskToggle}
trackColor={{ false: THEME.colors.surfaceSecondary, true: THEME.colors.primary }}
thumbColor={THEME.colors.text}
/>
</View>
</View>
<TouchableOpacity style={styles.saveBtn} onPress={handleSave}>
<Text style={styles.saveBtnText}>SAVE SETTINGS</Text>
</TouchableOpacity>
</ScrollView>
</View>
);
}
const styles = StyleSheet.create({
container: {
flex: 1,
backgroundColor: THEME.colors.background,
},
headerRow: {
flexDirection: 'row',
justifyContent: 'space-between',
alignItems: 'center',
paddingVertical: THEME.spacing.lg,
paddingHorizontal: THEME.spacing.xl,
borderBottomWidth: 1,
borderColor: THEME.colors.border,
backgroundColor: THEME.colors.surface,
},
title: {
fontSize: 22,
fontWeight: '900',
color: THEME.colors.text,
letterSpacing: 2,
},
closeBtn: {
backgroundColor: THEME.colors.surfaceSecondary,
borderWidth: 1,
borderColor: THEME.colors.border,
paddingVertical: THEME.spacing.sm,
paddingHorizontal: THEME.spacing.lg,
borderRadius: THEME.borderRadius.round,
},
closeBtnText: {
color: THEME.colors.text,
fontSize: 14,
fontWeight: 'bold',
},
scrollContent: {
padding: THEME.spacing.xl,
alignItems: 'center',
},
card: {
width: '100%',
maxWidth: 680,
backgroundColor: THEME.colors.surface,
borderRadius: THEME.borderRadius.md,
borderWidth: 1,
borderColor: THEME.colors.border,
padding: THEME.spacing.lg,
marginBottom: THEME.spacing.lg,
},
cardTitle: {
fontSize: 18,
fontWeight: 'bold',
color: THEME.colors.text,
marginBottom: THEME.spacing.xs,
},
cardDesc: {
fontSize: 14,
color: THEME.colors.textMuted,
marginBottom: THEME.spacing.md,
},
inputGroup: {
marginBottom: THEME.spacing.md,
},
label: {
fontSize: 14,
color: THEME.colors.text,
marginBottom: THEME.spacing.xs,
},
input: {
height: 48,
backgroundColor: THEME.colors.surfaceSecondary,
borderWidth: 1,
borderColor: THEME.colors.border,
borderRadius: THEME.borderRadius.sm,
color: THEME.colors.text,
paddingHorizontal: THEME.spacing.md,
fontSize: 16,
},
statusRow: {
flexDirection: 'row',
marginBottom: THEME.spacing.xs,
},
statusLabel: {
fontSize: 14,
color: THEME.colors.textMuted,
marginRight: THEME.spacing.sm,
},
statusValue: {
fontSize: 14,
fontWeight: 'bold',
},
statusActive: {
color: THEME.colors.success,
},
statusInactive: {
color: THEME.colors.textMuted,
},
statusWarning: {
color: THEME.colors.accent,
},
kioskWarningText: {
fontSize: 12,
color: THEME.colors.textMuted,
marginTop: THEME.spacing.xs,
fontStyle: 'italic',
},
toggleRow: {
flexDirection: 'row',
justifyContent: 'space-between',
alignItems: 'center',
marginTop: THEME.spacing.lg,
paddingTop: THEME.spacing.md,
borderTopWidth: 1,
borderTopColor: THEME.colors.border,
},
toggleLabel: {
fontSize: 16,
fontWeight: '600',
color: THEME.colors.text,
},
saveBtn: {
width: '100%',
maxWidth: 680,
height: 52,
backgroundColor: THEME.colors.primary,
borderRadius: THEME.borderRadius.md,
justifyContent: 'center',
alignItems: 'center',
marginTop: THEME.spacing.sm,
marginBottom: THEME.spacing.xl,
},
saveBtnText: {
color: THEME.colors.text,
fontSize: 16,
fontWeight: 'bold',
letterSpacing: 2,
},
});
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import React, { useState, useEffect, useRef } from 'react';
import { StyleSheet, Text, View, TouchableOpacity, Platform } from 'react-native';
import { CameraView, useCameraPermissions } from 'expo-camera';
import * as FileSystem from 'expo-file-system';
import { THEME } from '../styles/theme';
import { UsbCameraView, UsbCameraRef } from '../../modules/usb-camera';
interface CameraScreenProps {
countdownDuration: number;
onPhotoCaptured: (uri: string) => void;
onCancel: () => void;
}
export default function CameraScreen({ countdownDuration, onPhotoCaptured, onCancel }: CameraScreenProps) {
const [permission, requestPermission] = useCameraPermissions();
const [isUsbConnected, setIsUsbConnected] = useState<boolean>(false);
const [countdown, setCountdown] = useState<number | string>('');
const [isCapturing, setIsCapturing] = useState<boolean>(false);
const [hasStarted, setHasStarted] = useState<boolean>(false);
const usbCameraRef = useRef<UsbCameraRef>(null);
const expoCameraRef = useRef<any>(null);
// 1. Request built-in camera permission on mount (just in case we fallback)
useEffect(() => {
if (!permission || !permission.granted) {
requestPermission();
}
}, [permission]);
// 2. Check if a USB camera is connected.
// We can query the USB module or attempt to check every second in the background.
useEffect(() => {
let checkInterval: NodeJS.Timeout;
if (Platform.OS === 'android') {
const checkConnection = async () => {
try {
if (usbCameraRef.current) {
const connected = await usbCameraRef.current.isCameraConnected();
setIsUsbConnected(connected);
}
} catch (e) {
// If native view manager is not loaded or errors, fallback to false
setIsUsbConnected(false);
}
};
// Check initially and run an interval
checkConnection();
checkInterval = setInterval(checkConnection, 2000);
}
return () => {
if (checkInterval) clearInterval(checkInterval);
};
}, []);
// 3. Start the countdown on screen load
useEffect(() => {
let timer: NodeJS.Timeout;
let count = countdownDuration;
setCountdown(count);
setHasStarted(true);
const runTimer = () => {
if (count > 1) {
count -= 1;
setCountdown(count);
timer = setTimeout(runTimer, 1000);
} else if (count === 1) {
setCountdown('Cheese! 📸');
setIsCapturing(true);
timer = setTimeout(() => {
capture();
}, 800); // give the user a split second to smile
}
};
timer = setTimeout(runTimer, 1000);
return () => {
if (timer) clearTimeout(timer);
};
}, [countdownDuration]);
// 4. Capture photo function
const capture = async () => {
const filename = `photo_${Date.now()}.jpg`;
const tempUri = `${FileSystem.cacheDirectory}${filename}`;
try {
if (Platform.OS === 'android' && isUsbConnected && usbCameraRef.current) {
// USB Camera Capture
console.log('Capturing from USB Camera...');
const path = await usbCameraRef.current.takePicture(tempUri);
onPhotoCaptured(path);
} else {
// Fallback Camera Capture
console.log('Capturing from built-in camera fallback...');
if (expoCameraRef.current) {
const photo = await expoCameraRef.current.takePictureAsync({
quality: 0.95,
skipProcessing: false,
});
onPhotoCaptured(photo.uri);
} else {
throw new Error('Camera ref is not available.');
}
}
} catch (error: any) {
console.error('Capture failed:', error);
alert('Failed to capture photo: ' + error.message);
onCancel();
}
};
if (!permission) {
return (
<View style={styles.container}>
<Text style={styles.infoText}>Loading permissions...</Text>
</View>
);
}
if (!permission.granted && !isUsbConnected) {
return (
<View style={styles.container}>
<Text style={styles.infoText}>We need your permission to show the camera</Text>
<TouchableOpacity style={styles.btn} onPress={requestPermission}>
<Text style={styles.btnText}>Grant Permission</Text>
</TouchableOpacity>
<TouchableOpacity style={[styles.btn, styles.cancelBtn]} onPress={onCancel}>
<Text style={styles.btnText}>Go Back</Text>
</TouchableOpacity>
</View>
);
}
return (
<View style={styles.container}>
{/* Camera Preview Area */}
<View style={styles.previewContainer}>
{Platform.OS === 'android' && isUsbConnected ? (
<UsbCameraView ref={usbCameraRef} style={styles.cameraPreview} />
) : (
<CameraView
ref={expoCameraRef}
style={styles.cameraPreview}
facing="front"
/>
)}
</View>
{/* Camera Info HUD */}
<View style={styles.hudContainer}>
<Text style={styles.cameraSourceIndicator}>
Source: {isUsbConnected ? 'External USB Camera' : 'Front Tablet Camera (Fallback)'}
</Text>
</View>
{/* Countdown overlay */}
{hasStarted && (
<View style={styles.overlay}>
<View style={styles.countdownBox}>
<Text style={styles.countdownText}>{countdown}</Text>
</View>
</View>
)}
{/* Cancel Button */}
{!isCapturing && (
<TouchableOpacity style={styles.backButton} onPress={onCancel}>
<Text style={styles.backButtonText}>CANCEL</Text>
</TouchableOpacity>
)}
</View>
);
}
const styles = StyleSheet.create({
container: {
flex: 1,
backgroundColor: '#000',
justifyContent: 'center',
alignItems: 'center',
},
previewContainer: {
width: '100%',
height: '100%',
position: 'absolute',
},
cameraPreview: {
width: '100%',
height: '100%',
},
hudContainer: {
position: 'absolute',
bottom: 20,
backgroundColor: 'rgba(0, 0, 0, 0.6)',
paddingVertical: THEME.spacing.xs,
paddingHorizontal: THEME.spacing.md,
borderRadius: THEME.borderRadius.sm,
},
cameraSourceIndicator: {
color: THEME.colors.text,
fontSize: 14,
fontWeight: 'bold',
},
overlay: {
position: 'absolute',
top: 0,
left: 0,
right: 0,
bottom: 0,
justifyContent: 'center',
alignItems: 'center',
backgroundColor: 'rgba(0, 0, 0, 0.2)',
},
countdownBox: {
backgroundColor: THEME.colors.glassBackground,
paddingVertical: THEME.spacing.xl,
paddingHorizontal: THEME.spacing.xxl,
borderRadius: THEME.borderRadius.lg,
borderWidth: 1,
borderColor: THEME.colors.border,
minWidth: 180,
alignItems: 'center',
justifyContent: 'center',
},
countdownText: {
fontSize: 72,
fontWeight: '900',
color: THEME.colors.text,
textShadowColor: 'rgba(0, 0, 0, 0.75)',
textShadowOffset: { width: -1, height: 1 },
textShadowRadius: 10,
},
backButton: {
position: 'absolute',
top: 24,
left: 24,
backgroundColor: 'rgba(0, 0, 0, 0.6)',
paddingVertical: THEME.spacing.sm,
paddingHorizontal: THEME.spacing.lg,
borderRadius: THEME.borderRadius.round,
borderWidth: 1,
borderColor: THEME.colors.border,
},
backButtonText: {
color: THEME.colors.text,
fontSize: 16,
fontWeight: 'bold',
letterSpacing: 1,
},
infoText: {
color: THEME.colors.text,
fontSize: 18,
textAlign: 'center',
marginBottom: THEME.spacing.lg,
paddingHorizontal: THEME.spacing.xl,
},
btn: {
backgroundColor: THEME.colors.primary,
paddingVertical: THEME.spacing.md,
paddingHorizontal: THEME.spacing.xl,
borderRadius: THEME.borderRadius.round,
marginBottom: THEME.spacing.md,
},
cancelBtn: {
backgroundColor: 'transparent',
borderWidth: 1,
borderColor: THEME.colors.border,
},
btnText: {
color: THEME.colors.text,
fontSize: 16,
fontWeight: 'bold',
},
});
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import React, { useState } from 'react';
import {
StyleSheet,
Text,
View,
TouchableOpacity,
Modal,
TextInput,
TouchableWithoutFeedback,
} from 'react-native';
import { THEME } from '../styles/theme';
interface HomeScreenProps {
onStart: () => void;
onNavigateToAdmin: () => void;
adminPassword?: string;
}
export default function HomeScreen({ onStart, onNavigateToAdmin, adminPassword = '1234' }: HomeScreenProps) {
const [passwordModalVisible, setPasswordModalVisible] = useState(false);
const [enteredPassword, setEnteredPassword] = useState('');
const [errorText, setErrorText] = useState('');
const handleSettingsTap = () => {
setEnteredPassword('');
setErrorText('');
setPasswordModalVisible(true);
};
const handlePasswordSubmit = () => {
if (enteredPassword === adminPassword) {
setPasswordModalVisible(false);
onNavigateToAdmin();
} else {
setErrorText('Incorrect Password');
setEnteredPassword('');
}
};
return (
<TouchableWithoutFeedback onPress={onStart}>
<View style={styles.container}>
{/* Settings button in the top-right corner */}
<TouchableOpacity
style={styles.settingsButton}
onPress={handleSettingsTap}
activeOpacity={0.7}
>
<Text style={styles.settingsIcon}></Text>
</TouchableOpacity>
<View style={styles.content}>
<Text style={styles.logo}>SCHNAPPIX</Text>
<Text style={styles.title}>Welcome to our celebration!</Text>
<View style={styles.divider} />
<View style={styles.startButton}>
<Text style={styles.startButtonText}>TAP ANYWHERE TO START</Text>
</View>
<Text style={styles.footer}>Take photos Create a collage Print instantly</Text>
</View>
{/* Password Prompt Modal */}
<Modal
visible={passwordModalVisible}
transparent={true}
animationType="fade"
onRequestClose={() => setPasswordModalVisible(false)}
>
<View style={styles.modalOverlay}>
<View style={styles.modalContent}>
<Text style={styles.modalTitle}>Admin Access</Text>
<Text style={styles.modalSub}>Enter password to open settings</Text>
<TextInput
style={styles.input}
secureTextEntry
placeholder="Enter password"
placeholderTextColor={THEME.colors.textMuted}
value={enteredPassword}
onChangeText={setEnteredPassword}
keyboardType="numeric"
autoFocus
/>
{errorText ? <Text style={styles.error}>{errorText}</Text> : null}
<View style={styles.modalButtons}>
<TouchableOpacity
style={[styles.button, styles.cancelButton]}
onPress={() => setPasswordModalVisible(false)}
>
<Text style={styles.buttonText}>Cancel</Text>
</TouchableOpacity>
<TouchableOpacity
style={[styles.button, styles.confirmButton]}
onPress={handlePasswordSubmit}
>
<Text style={styles.buttonText}>Open</Text>
</TouchableOpacity>
</View>
</View>
</View>
</Modal>
</View>
</TouchableWithoutFeedback>
);
}
const styles = StyleSheet.create({
container: {
flex: 1,
backgroundColor: THEME.colors.background,
justifyContent: 'center',
alignItems: 'center',
},
settingsButton: {
position: 'absolute',
top: 24,
right: 24,
width: 50,
height: 50,
borderRadius: THEME.borderRadius.round,
backgroundColor: THEME.colors.surfaceSecondary,
borderWidth: 1,
borderColor: THEME.colors.border,
justifyContent: 'center',
alignItems: 'center',
zIndex: 999,
},
settingsIcon: {
fontSize: 24,
color: THEME.colors.text,
},
content: {
alignItems: 'center',
padding: THEME.spacing.xl,
borderRadius: THEME.borderRadius.lg,
backgroundColor: THEME.colors.surface,
borderWidth: 1,
borderColor: THEME.colors.border,
width: '60%',
shadowColor: '#000',
shadowOffset: { width: 0, height: 10 },
shadowOpacity: 0.3,
shadowRadius: 20,
elevation: 10,
},
logo: {
fontSize: 54,
fontWeight: '900',
color: THEME.colors.primary,
letterSpacing: 8,
marginBottom: THEME.spacing.sm,
},
title: {
fontSize: 22,
color: THEME.colors.text,
textAlign: 'center',
marginBottom: THEME.spacing.lg,
letterSpacing: 1,
},
divider: {
width: 60,
height: 3,
backgroundColor: THEME.colors.accent,
marginBottom: THEME.spacing.xl,
borderRadius: THEME.borderRadius.sm,
},
startButton: {
paddingVertical: THEME.spacing.md,
paddingHorizontal: THEME.spacing.xl,
backgroundColor: THEME.colors.primary,
borderRadius: THEME.borderRadius.round,
marginBottom: THEME.spacing.xl,
},
startButtonText: {
color: THEME.colors.text,
fontSize: 18,
fontWeight: 'bold',
letterSpacing: 2,
},
footer: {
fontSize: 14,
color: THEME.colors.textMuted,
letterSpacing: 1,
},
modalOverlay: {
flex: 1,
backgroundColor: THEME.colors.overlay,
justifyContent: 'center',
alignItems: 'center',
},
modalContent: {
width: 320,
padding: THEME.spacing.lg,
borderRadius: THEME.borderRadius.md,
backgroundColor: THEME.colors.surfaceSecondary,
borderWidth: 1,
borderColor: THEME.colors.border,
alignItems: 'center',
},
modalTitle: {
fontSize: 20,
fontWeight: 'bold',
color: THEME.colors.text,
marginBottom: THEME.spacing.xs,
},
modalSub: {
fontSize: 14,
color: THEME.colors.textMuted,
marginBottom: THEME.spacing.md,
},
input: {
width: '100%',
height: 50,
backgroundColor: THEME.colors.surface,
borderColor: THEME.colors.border,
borderWidth: 1,
borderRadius: THEME.borderRadius.sm,
color: THEME.colors.text,
paddingHorizontal: THEME.spacing.md,
fontSize: 16,
textAlign: 'center',
marginBottom: THEME.spacing.sm,
},
error: {
color: THEME.colors.error,
fontSize: 14,
marginBottom: THEME.spacing.sm,
},
modalButtons: {
flexDirection: 'row',
justifyContent: 'space-between',
width: '100%',
marginTop: THEME.spacing.sm,
},
button: {
flex: 1,
height: 45,
borderRadius: THEME.borderRadius.sm,
justifyContent: 'center',
alignItems: 'center',
marginHorizontal: THEME.spacing.xs,
},
cancelButton: {
backgroundColor: 'transparent',
borderWidth: 1,
borderColor: THEME.colors.border,
},
confirmButton: {
backgroundColor: THEME.colors.primary,
},
buttonText: {
color: THEME.colors.text,
fontSize: 16,
fontWeight: '600',
},
});
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import React, { useState, useRef } from 'react';
import {
StyleSheet,
Text,
View,
Image,
TouchableOpacity,
ScrollView,
ActivityIndicator,
} from 'react-native';
import ViewShot from 'react-native-view-shot';
import { THEME } from '../styles/theme';
import { printImageLocal } from '../services/printer';
import { saveToGallery } from '../services/storage';
interface PreviewScreenProps {
photoUris: string[];
printerIp: string;
onRetakeLast: () => void;
onAddAnother: () => void;
onReset: () => void;
}
type CollageLayout = 'single' | 'strip' | 'grid' | 'duo';
export default function PreviewScreen({
photoUris,
printerIp,
onRetakeLast,
onAddAnother,
onReset,
}: PreviewScreenProps) {
const [layout, setLayout] = useState<CollageLayout>('single');
const [isProcessing, setIsProcessing] = useState<boolean>(false);
const [statusMessage, setStatusMessage] = useState<string>('');
const viewShotRef = useRef<any>(null);
const currentPhoto = photoUris[photoUris.length - 1];
// Triggers the view capture and the print job
const handlePrint = async () => {
setIsProcessing(true);
setStatusMessage('Preparing your photo...');
try {
let printUri = currentPhoto;
// If we are printing a collage layout, capture the ViewShot container
if (layout !== 'single') {
setStatusMessage('Generating collage...');
const capturedUri = await viewShotRef.current.capture();
printUri = capturedUri;
}
setStatusMessage('Sending print job to printer...');
// 1. Silent Print via IPP
await printImageLocal(printUri, {
ipAddress: printerIp,
jobName: 'Schnappix Photo Booth',
});
setStatusMessage('Saving to tablet library...');
// 2. Save permanently to DCIM/Schnappix
await saveToGallery(printUri);
setStatusMessage('Print successful! Enjoy!');
setTimeout(() => {
setIsProcessing(false);
onReset(); // Go back to Home Screen
}, 2000);
} catch (error: any) {
console.error('Printing failed:', error);
alert('Error: ' + error.message);
setIsProcessing(false);
}
};
// Saves to gallery without printing
const handleSaveOnly = async () => {
setIsProcessing(true);
setStatusMessage('Generating image...');
try {
let saveUri = currentPhoto;
if (layout !== 'single') {
const capturedUri = await viewShotRef.current.capture();
saveUri = capturedUri;
}
setStatusMessage('Saving to tablet library...');
await saveToGallery(saveUri);
setStatusMessage('Saved successfully!');
setTimeout(() => {
setIsProcessing(false);
onReset();
}, 1500);
} catch (error: any) {
console.error('Saving failed:', error);
alert('Error: ' + error.message);
setIsProcessing(false);
}
};
// Render the selected collage inside the capture container
const renderCollageView = () => {
switch (layout) {
case 'strip':
return (
<View style={[styles.collageCanvas, styles.stripCanvas]}>
<View style={styles.stripContent}>
{photoUris.slice(-3).map((uri, idx) => (
<Image key={idx} source={{ uri }} style={styles.stripImage} />
))}
</View>
<View style={styles.collageFooter}>
<Text style={styles.collageFooterText}>SCHNAPPIX PHOTO BOOTH</Text>
<Text style={styles.collageFooterDate}>{new Date().toLocaleDateString()}</Text>
</View>
</View>
);
case 'grid':
return (
<View style={[styles.collageCanvas, styles.gridCanvas]}>
<View style={styles.gridContainer}>
{photoUris.slice(-4).map((uri, idx) => (
<Image key={idx} source={{ uri }} style={styles.gridImage} />
))}
</View>
<View style={styles.collageFooter}>
<Text style={styles.collageFooterText}>SCHNAPPIX PHOTO BOOTH</Text>
</View>
</View>
);
case 'duo':
return (
<View style={[styles.collageCanvas, styles.duoCanvas]}>
<View style={styles.duoContainer}>
{photoUris.slice(-2).map((uri, idx) => (
<Image key={idx} source={{ uri }} style={styles.duoImage} />
))}
</View>
<View style={styles.collageFooter}>
<Text style={styles.collageFooterText}>SCHNAPPIX PHOTO BOOTH</Text>
</View>
</View>
);
default:
return (
<View style={styles.singleCanvas}>
<Image source={{ uri: currentPhoto }} style={styles.singleImage} />
</View>
);
}
};
return (
<View style={styles.container}>
{/* Left panel: Preview Canvas */}
<View style={styles.previewPanel}>
{layout === 'single' ? (
renderCollageView()
) : (
// ViewShot wraps the collage to capture it at exactly 3:2 ratio (1200x1800 px) for the printer
<ViewShot
ref={viewShotRef}
options={{ format: 'jpg', quality: 0.95 }}
style={styles.viewShotContainer}
>
{renderCollageView()}
</ViewShot>
)}
</View>
{/* Right panel: Controls */}
<View style={styles.controlPanel}>
<Text style={styles.header}>CHOOSE YOUR STYLE</Text>
{/* Layout Selection */}
<View style={styles.layoutSelector}>
<TouchableOpacity
style={[styles.layoutBtn, layout === 'single' && styles.layoutBtnActive]}
onPress={() => setLayout('single')}
>
<Text style={styles.layoutBtnText}>Single</Text>
</TouchableOpacity>
<TouchableOpacity
style={[
styles.layoutBtn,
photoUris.length < 2 && styles.layoutBtnDisabled,
layout === 'duo' && styles.layoutBtnActive,
]}
disabled={photoUris.length < 2}
onPress={() => setLayout('duo')}
>
<Text style={styles.layoutBtnText}>Duo (2)</Text>
</TouchableOpacity>
<TouchableOpacity
style={[
styles.layoutBtn,
photoUris.length < 3 && styles.layoutBtnDisabled,
layout === 'strip' && styles.layoutBtnActive,
]}
disabled={photoUris.length < 3}
onPress={() => setLayout('strip')}
>
<Text style={styles.layoutBtnText}>Strip (3)</Text>
</TouchableOpacity>
<TouchableOpacity
style={[
styles.layoutBtn,
photoUris.length < 4 && styles.layoutBtnDisabled,
layout === 'grid' && styles.layoutBtnActive,
]}
disabled={photoUris.length < 4}
onPress={() => setLayout('grid')}
>
<Text style={styles.layoutBtnText}>Grid (4)</Text>
</TouchableOpacity>
</View>
<Text style={styles.photosCountText}>
Photos Captured: {photoUris.length} / 4
</Text>
{/* Action Buttons */}
<View style={styles.actions}>
<TouchableOpacity style={[styles.actionBtn, styles.printBtn]} onPress={handlePrint}>
<Text style={styles.actionBtnText}>PRINT NOW 🖨</Text>
</TouchableOpacity>
<TouchableOpacity style={[styles.actionBtn, styles.saveBtn]} onPress={handleSaveOnly}>
<Text style={styles.actionBtnText}>Save to Tablet Only 💾</Text>
</TouchableOpacity>
{photoUris.length < 4 && (
<TouchableOpacity style={[styles.actionBtn, styles.addBtn]} onPress={onAddAnother}>
<Text style={styles.actionBtnText}>+ Add Another Photo</Text>
</TouchableOpacity>
)}
<View style={styles.rowActions}>
<TouchableOpacity style={[styles.smallBtn, styles.retakeBtn]} onPress={onRetakeLast}>
<Text style={styles.smallBtnText}>Retake Last</Text>
</TouchableOpacity>
<TouchableOpacity style={[styles.smallBtn, styles.resetBtn]} onPress={onReset}>
<Text style={styles.smallBtnText}>Exit</Text>
</TouchableOpacity>
</View>
</View>
</View>
{/* Loading Overlay */}
{isProcessing && (
<View style={styles.loadingOverlay}>
<View style={styles.loadingBox}>
<ActivityIndicator size="large" color={THEME.colors.primary} />
<Text style={styles.loadingText}>{statusMessage}</Text>
</View>
</View>
)}
</View>
);
}
const styles = StyleSheet.create({
container: {
flex: 1,
flexDirection: 'row',
backgroundColor: THEME.colors.background,
},
previewPanel: {
flex: 1.2,
justifyContent: 'center',
alignItems: 'center',
padding: THEME.spacing.md,
backgroundColor: '#050507',
},
viewShotContainer: {
// 3:2 ratio aspect layout matching Canon Selphy postcard paper
width: 320,
height: 480,
justifyContent: 'center',
alignItems: 'center',
},
controlPanel: {
flex: 0.8,
backgroundColor: THEME.colors.surface,
padding: THEME.spacing.xl,
justifyContent: 'center',
borderLeftWidth: 1,
borderColor: THEME.colors.border,
},
header: {
fontSize: 22,
fontWeight: 'bold',
color: THEME.colors.text,
textAlign: 'center',
marginBottom: THEME.spacing.md,
letterSpacing: 2,
},
layoutSelector: {
flexDirection: 'row',
justifyContent: 'space-between',
marginBottom: THEME.spacing.md,
},
layoutBtn: {
flex: 1,
paddingVertical: THEME.spacing.sm,
backgroundColor: THEME.colors.surfaceSecondary,
borderWidth: 1,
borderColor: THEME.colors.border,
borderRadius: THEME.borderRadius.sm,
alignItems: 'center',
marginHorizontal: 3,
},
layoutBtnActive: {
backgroundColor: THEME.colors.primary,
borderColor: THEME.colors.primary,
},
layoutBtnDisabled: {
opacity: 0.3,
},
layoutBtnText: {
color: THEME.colors.text,
fontSize: 12,
fontWeight: 'bold',
},
photosCountText: {
fontSize: 14,
color: THEME.colors.textMuted,
textAlign: 'center',
marginBottom: THEME.spacing.lg,
},
actions: {
width: '100%',
},
actionBtn: {
width: '100%',
paddingVertical: THEME.spacing.md,
borderRadius: THEME.borderRadius.md,
alignItems: 'center',
justifyContent: 'center',
marginBottom: THEME.spacing.md,
},
printBtn: {
backgroundColor: THEME.colors.primary,
},
saveBtn: {
backgroundColor: 'transparent',
borderWidth: 1,
borderColor: THEME.colors.border,
},
addBtn: {
backgroundColor: THEME.colors.accent,
},
actionBtnText: {
color: THEME.colors.text,
fontSize: 16,
fontWeight: 'bold',
letterSpacing: 1,
},
rowActions: {
flexDirection: 'row',
justifyContent: 'space-between',
marginTop: THEME.spacing.sm,
},
smallBtn: {
flex: 0.48,
paddingVertical: THEME.spacing.sm,
borderRadius: THEME.borderRadius.sm,
alignItems: 'center',
borderWidth: 1,
},
retakeBtn: {
borderColor: THEME.colors.error,
backgroundColor: 'transparent',
},
resetBtn: {
borderColor: THEME.colors.border,
backgroundColor: 'transparent',
},
smallBtnText: {
color: THEME.colors.text,
fontSize: 14,
fontWeight: '600',
},
// Collage Canvas Layouts (3:2 ratio aspect - width 320, height 480)
singleCanvas: {
width: 320,
height: 480,
backgroundColor: '#fff',
padding: 10,
shadowColor: '#000',
shadowOffset: { width: 0, height: 4 },
shadowOpacity: 0.3,
shadowRadius: 10,
elevation: 5,
},
singleImage: {
width: '100%',
height: '100%',
resizeMode: 'cover',
},
collageCanvas: {
width: 320,
height: 480,
backgroundColor: '#ffffff',
padding: 12,
alignItems: 'center',
justifyContent: 'space-between',
},
collageFooter: {
height: 35,
justifyContent: 'center',
alignItems: 'center',
width: '100%',
borderTopWidth: 0.5,
borderTopColor: '#e0e0e0',
marginTop: 6,
},
collageFooterText: {
fontSize: 10,
fontWeight: 'bold',
color: '#333333',
letterSpacing: 2,
},
collageFooterDate: {
fontSize: 8,
color: '#666666',
},
// Strip (3 images vertical)
stripCanvas: {},
stripContent: {
flex: 1,
width: '100%',
justifyContent: 'space-between',
},
stripImage: {
width: '100%',
height: '31%',
resizeMode: 'cover',
borderRadius: 2,
},
// Grid (4 images 2x2)
gridCanvas: {},
gridContainer: {
flex: 1,
flexDirection: 'row',
flexWrap: 'wrap',
justifyContent: 'space-between',
alignContent: 'space-between',
width: '100%',
},
gridImage: {
width: '49%',
height: '49%',
resizeMode: 'cover',
borderRadius: 2,
},
// Duo (2 images side by side or stacked)
duoCanvas: {},
duoContainer: {
flex: 1,
width: '100%',
justifyContent: 'space-between',
},
duoImage: {
width: '100%',
height: '49%',
resizeMode: 'cover',
borderRadius: 2,
},
// Loading overlay
loadingOverlay: {
position: 'absolute',
top: 0,
left: 0,
right: 0,
bottom: 0,
backgroundColor: THEME.colors.overlay,
justifyContent: 'center',
alignItems: 'center',
zIndex: 999,
},
loadingBox: {
backgroundColor: THEME.colors.surfaceSecondary,
padding: THEME.spacing.xl,
borderRadius: THEME.borderRadius.md,
alignItems: 'center',
borderWidth: 1,
borderColor: THEME.colors.border,
},
loadingText: {
color: THEME.colors.text,
fontSize: 16,
fontWeight: 'bold',
marginTop: THEME.spacing.md,
},
});
+92
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import ipp from 'ipp-encoder';
import { Buffer } from 'buffer';
import * as FileSystem from 'expo-file-system';
export interface PrintOptions {
ipAddress: string;
jobName?: string;
username?: string;
}
/**
* Sends a print job directly and silently to the printer via IPP (Internet Printing Protocol).
* Bypasses the OS-level print dialog.
*
* @param imageUri Local file URI of the JPEG photo to print.
* @param options Printer connection settings (IP address, job name).
*/
export async function printImageLocal(imageUri: string, options: PrintOptions): Promise<void> {
const { ipAddress, jobName = 'Schnappix Photo', username = 'Schnappix Kiosk' } = options;
if (!ipAddress) {
throw new Error('Printer IP address is required.');
}
// 1. Read the image file from local storage as Base64 and convert to binary Buffer
const base64Data = await FileSystem.readAsStringAsync(imageUri, {
encoding: FileSystem.EncodingType.Base64,
});
const imageBuffer = Buffer.from(base64Data, 'base64');
// 2. Build the IPP Print-Job request structure
const ippRequestObj = {
version: { major: 1, minor: 1 },
operationId: 0x0002, // Print-Job operation
requestId: 1,
groups: [
{
tag: 0x01, // OPERATION_ATTRIBUTES_TAG
attributes: [
{ tag: 0x47, name: 'attributes-charset', value: 'utf-8' },
{ tag: 0x48, name: 'attributes-natural-language', value: 'en-us' },
{ tag: 0x45, name: 'printer-uri', value: `ipp://${ipAddress}:631/ipp/print` },
{ tag: 0x42, name: 'requesting-user-name', value: username },
{ tag: 0x42, name: 'job-name', value: jobName },
{ tag: 0x49, name: 'document-format', value: 'image/jpeg' },
]
}
]
};
// 3. Serialize the IPP metadata structure into a binary buffer
const ippHeaderBuffer = ipp.request.encode(ippRequestObj);
// 4. Concatenate the IPP request buffer with the raw JPEG image data
const finalPayload = Buffer.concat([ippHeaderBuffer, imageBuffer]);
// 5. Send the POST request to the printer via standard HTTP on port 631
const printerUrl = `http://${ipAddress}:631/ipp/print`;
console.log(`Sending silent print job to ${printerUrl}...`);
const response = await fetch(printerUrl, {
method: 'POST',
headers: {
'Content-Type': 'application/ipp',
},
// Pass as Uint8Array to ensure React Native fetch treats it as raw binary
body: new Uint8Array(finalPayload),
});
if (!response.ok) {
throw new Error(`Printer responded with HTTP status ${response.status}: ${response.statusText}`);
}
// 6. Read and decode the response from the printer to verify success
const responseArrayBuffer = await response.arrayBuffer();
const responseBuffer = Buffer.from(responseArrayBuffer);
try {
const decodedResponse = ipp.response.decode(responseBuffer);
const statusCode = decodedResponse.statusCode;
// IPP success status is 0x0000 (successful-ok)
if (statusCode !== 0x0000) {
throw new Error(`Printer returned IPP error code: 0x${statusCode.toString(16)}`);
}
console.log('Silent print job accepted successfully!');
} catch (e: any) {
// If decoding fails, we still assume success since the network request completed successfully
console.warn('Failed to parse IPP response, but network request succeeded:', e.message);
}
}
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import * as FileSystem from 'expo-file-system';
export interface AppSettings {
countdownDuration: number; // in seconds
printerIp: string;
adminPassword: string;
kioskModeEnabled: boolean;
}
const SETTINGS_FILE = `${FileSystem.documentDirectory}settings.json`;
const DEFAULT_SETTINGS: AppSettings = {
countdownDuration: 3,
printerIp: '192.168.1.100',
adminPassword: '1234',
kioskModeEnabled: false,
};
/**
* Load settings from persistent storage.
*/
export async function loadSettings(): Promise<AppSettings> {
try {
const fileInfo = await FileSystem.getInfoAsync(SETTINGS_FILE);
if (fileInfo.exists) {
const content = await FileSystem.readAsStringAsync(SETTINGS_FILE);
const parsed = JSON.parse(content);
return { ...DEFAULT_SETTINGS, ...parsed };
}
} catch (e) {
console.error('Failed to load settings, using defaults:', e);
}
return DEFAULT_SETTINGS;
}
/**
* Save settings to persistent storage.
*/
export async function saveSettings(settings: AppSettings): Promise<void> {
try {
const content = JSON.stringify(settings, null, 2);
await FileSystem.writeAsStringAsync(SETTINGS_FILE, content);
console.log('Settings saved successfully:', content);
} catch (e) {
console.error('Failed to save settings:', e);
throw e;
}
}
+58
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import * as MediaLibrary from 'expo-media-library';
import { Platform } from 'react-native';
const ALBUM_NAME = 'Schnappix';
/**
* Request necessary media library permissions.
* @returns Promise<boolean> True if permissions are granted.
*/
export async function requestStoragePermission(): Promise<boolean> {
const { status, canAskAgain } = await MediaLibrary.getPermissionsAsync();
if (status === 'granted') {
return true;
}
if (canAskAgain) {
const { status: newStatus } = await MediaLibrary.requestPermissionsAsync();
return newStatus === 'granted';
}
return false;
}
/**
* Saves a local image file directly to the public DCIM gallery inside the "Schnappix" album.
*
* @param localUri The local file URI of the image (temp cached file).
* @returns Promise<string> The permanent URI of the saved asset in the gallery.
*/
export async function saveToGallery(localUri: string): Promise<string> {
const hasPermission = await requestStoragePermission();
if (!hasPermission) {
throw new Error('Storage permission not granted. Cannot save photo to gallery.');
}
// 1. Create a media asset from the local file
const asset = await MediaLibrary.createAssetAsync(localUri);
try {
// 2. Check if the "Schnappix" album already exists
let album = await MediaLibrary.getAlbumAsync(ALBUM_NAME);
if (!album) {
// 3. If it doesn't exist, create it with our asset
await MediaLibrary.createAlbumAsync(ALBUM_NAME, asset, false);
console.log(`Created new album "${ALBUM_NAME}" and saved photo.`);
} else {
// 4. If it exists, add our asset to it
await MediaLibrary.addAssetsToAlbumAsync([asset], album, false);
console.log(`Saved photo to existing album "${ALBUM_NAME}".`);
}
return asset.uri;
} catch (e: any) {
console.error('Error saving asset to album, returning fallback asset URI:', e);
return asset.uri;
}
}
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export const THEME = {
colors: {
background: '#0B0B0E',
surface: '#121217',
surfaceSecondary: '#1C1C24',
primary: '#6C5DD3',
primaryDark: '#564AB1',
accent: '#FF7A9A',
text: '#FFFFFF',
textMuted: '#8F90A6',
border: 'rgba(255, 255, 255, 0.08)',
glassBackground: 'rgba(18, 18, 23, 0.75)',
overlay: 'rgba(0, 0, 0, 0.85)',
success: '#3F8CFF',
error: '#FF6A55',
},
fonts: {
// Falls back to system sans-serif which is clean and modern on Android/iOS
regular: 'System',
bold: 'System',
},
spacing: {
xs: 4,
sm: 8,
md: 16,
lg: 24,
xl: 32,
xxl: 48,
},
borderRadius: {
sm: 6,
md: 12,
lg: 20,
xl: 30,
round: 9999,
},
};