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feat(mobile): add QR scanner component using expo-camera #548

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Merged
Miracle656 merged 2 commits into from
Jul 30, 2026
Merged

feat(mobile): add QR scanner component using expo-camera #548

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1fe3783
feat(mobile): add QR scanner component using expo-camera
iredis Jul 28, 2026
07611ef
Merge origin/main into fix/468-qr-scanner-mobile
ezedike-evan Jul 30, 2026
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39 changes: 32 additions & 7 deletions frontend/mobile/app/(tabs)/send.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@ import { Pressable, SafeAreaView, StyleSheet, Text, TextInput, View } from 'reac

import { isValidDestination } from '../../lib/address';
import { ContactPicker } from '../../components/ContactPicker';
import { QrScanner } from '../../components/QrScanner';
import type { Contact } from '../../hooks/useContacts';

/** expo-router yields `string | string[]` for a repeated query key. */
Expand All @@ -28,6 +29,7 @@ export default function SendScreen() {
const [recipient, setRecipient] = useState(() => firstValue(params.to));
const [amount, setAmount] = useState(() => firstValue(params.amount));
const [pickerOpen, setPickerOpen] = useState(false);
const [scannerOpen, setScannerOpen] = useState(false);

const trimmed = recipient.trim();
const recipientValid = isValidDestination(trimmed);
Expand All @@ -47,13 +49,23 @@ export default function SendScreen() {
<View style={styles.field}>
<View style={styles.labelRow}>
<Text style={styles.label}>RECIPIENT</Text>
<Pressable
accessibilityRole="button"
onPress={() => setPickerOpen(true)}
hitSlop={8}
>
<Text style={styles.contactLink}>Choose contact</Text>
</Pressable>
<View style={styles.labelActions}>
<Pressable
accessibilityRole="button"
accessibilityLabel="Scan a QR code"
onPress={() => setScannerOpen(true)}
hitSlop={8}
>
<Text style={styles.contactLink}>Scan QR</Text>
</Pressable>
<Pressable
accessibilityRole="button"
onPress={() => setPickerOpen(true)}
hitSlop={8}
>
<Text style={styles.contactLink}>Choose contact</Text>
</Pressable>
</View>
</View>
<TextInput
style={[styles.input, showError && styles.inputError]}
Expand Down Expand Up @@ -104,6 +116,15 @@ export default function SendScreen() {
</Pressable>
</View>

<QrScanner
visible={scannerOpen}
onScan={(address) => {
setRecipient(address);
setScannerOpen(false);
}}
onClose={() => setScannerOpen(false)}
/>

<ContactPicker
visible={pickerOpen}
onSelect={handleSelectContact}
Expand Down Expand Up @@ -132,6 +153,10 @@ const styles = StyleSheet.create({
field: {
gap: 8,
},
labelActions: {
flexDirection: 'row',
gap: 16,
},
labelRow: {
flexDirection: 'row',
justifyContent: 'space-between',
Expand Down
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