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feat: implement camera integration and evidence upload for aid verifi… #202

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245 changes: 245 additions & 0 deletions app/mobile/src/components/EvidencePicker.tsx
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Original file line number Diff line number Diff line change
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import React from 'react';
import {
View,
Text,
TouchableOpacity,
StyleSheet,
Image,
ActivityIndicator,
} from 'react-native';
import { useTheme } from '../theme/ThemeContext';

interface Props {
onImageCaptured: (uri: string) => void;
disabled?: boolean;
imageUri?: string | null;
onRemoveImage?: () => void;
}

/**
* Reusable component for image evidence capture
* Provides camera and gallery selection options with preview functionality
*/
export const EvidencePicker: React.FC<Props> = ({
onImageCaptured,
disabled = false,
imageUri,
onRemoveImage,
}) => {
const { colors } = useTheme();

const handleTakePhoto = () => {
// This will be handled by the parent component using useEvidenceCapture hook
// The component just signals the intent
onImageCaptured('camera');
};

const handleChooseFromGallery = () => {
// This will be handled by the parent component using useEvidenceCapture hook
onImageCaptured('gallery');
};

const handleRemoveImage = () => {
if (onRemoveImage) {
onRemoveImage();
}
};

if (imageUri) {
return (
<View style={styles.previewContainer}>
<View style={[styles.imageContainer, { borderColor: colors.border }]}>
<Image
source={{ uri: imageUri }}
style={styles.previewImage}
resizeMode="cover"
onError={() => {
// Handle image load error gracefully
console.warn('Failed to load preview image');
}}
/>
<TouchableOpacity
style={[styles.removeButton, { backgroundColor: colors.error }]}
onPress={handleRemoveImage}
disabled={disabled}
>
<Text style={styles.removeButtonText}>✕</Text>
</TouchableOpacity>
</View>
<View style={styles.buttonRow}>
<TouchableOpacity
style={[
styles.secondaryButton,
{
backgroundColor: colors.surface,
borderColor: colors.border,
opacity: disabled ? 0.5 : 1
}
]}
onPress={handleTakePhoto}
disabled={disabled}
>
<Text style={[styles.buttonText, { color: colors.textPrimary }]}>
📷 Take New Photo
</Text>
</TouchableOpacity>
<TouchableOpacity
style={[
styles.secondaryButton,
{
backgroundColor: colors.surface,
borderColor: colors.border,
opacity: disabled ? 0.5 : 1
}
]}
onPress={handleChooseFromGallery}
disabled={disabled}
>
<Text style={[styles.buttonText, { color: colors.textPrimary }]}>
🖼️ Choose Other
</Text>
</TouchableOpacity>
</View>
</View>
);
}

return (
<View style={styles.container}>
<View style={[styles.content, { backgroundColor: colors.surface }]}>
<Text style={[styles.title, { color: colors.textPrimary }]}>
Add Evidence Photo
</Text>
<Text style={[styles.subtitle, { color: colors.textSecondary }]}>
Take a photo or choose from your gallery to submit as evidence
</Text>

<View style={styles.buttonContainer}>
<TouchableOpacity
style={[
styles.primaryButton,
{
backgroundColor: colors.brand.primary,
opacity: disabled ? 0.5 : 1
}
]}
onPress={handleTakePhoto}
disabled={disabled}
>
<Text style={styles.primaryButtonText}>
📷 Take Photo
</Text>
</TouchableOpacity>

<TouchableOpacity
style={[
styles.secondaryButton,
{
backgroundColor: colors.surface,
borderColor: colors.border,
opacity: disabled ? 0.5 : 1
}
]}
onPress={handleChooseFromGallery}
disabled={disabled}
>
<Text style={[styles.buttonText, { color: colors.textPrimary }]}>
🖼️ Choose from Gallery
</Text>
</TouchableOpacity>
</View>
</View>
</View>
);
};

const styles = StyleSheet.create({
container: {
width: '100%',
},
content: {
borderRadius: 12,
padding: 20,
borderWidth: 1,
borderStyle: 'dashed',
},
title: {
fontSize: 18,
fontWeight: '700',
textAlign: 'center',
marginBottom: 8,
},
subtitle: {
fontSize: 14,
textAlign: 'center',
marginBottom: 24,
lineHeight: 20,
},
buttonContainer: {
gap: 12,
},
primaryButton: {
paddingVertical: 16,
paddingHorizontal: 24,
borderRadius: 8,
alignItems: 'center',
justifyContent: 'center',
minHeight: 50,
},
primaryButtonText: {
color: '#FFFFFF',
fontSize: 16,
fontWeight: '600',
},
secondaryButton: {
paddingVertical: 16,
paddingHorizontal: 24,
borderRadius: 8,
alignItems: 'center',
justifyContent: 'center',
minHeight: 50,
borderWidth: 1,
},
buttonText: {
fontSize: 16,
fontWeight: '600',
},
previewContainer: {
width: '100%',
gap: 16,
},
imageContainer: {
borderRadius: 12,
overflow: 'hidden',
borderWidth: 2,
position: 'relative',
},
previewImage: {
width: '100%',
height: 200,
},
removeButton: {
position: 'absolute',
top: 8,
right: 8,
width: 32,
height: 32,
borderRadius: 16,
alignItems: 'center',
justifyContent: 'center',
elevation: 2,
shadowColor: '#000',
shadowOffset: { width: 0, height: 2 },
shadowOpacity: 0.25,
shadowRadius: 3.84,
},
removeButtonText: {
color: '#FFFFFF',
fontSize: 16,
fontWeight: 'bold',
},
buttonRow: {
flexDirection: 'row',
gap: 12,
},
});
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