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⚡ Bolt: Add FlatList virtualization to improve performance #138

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⚡ Bolt: Add FlatList virtualization to improve performance #138

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33 changes: 19 additions & 14 deletions src/screens/CalendarScreen.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -663,20 +663,25 @@ export default function CalendarScreen() {
<Text style={[s.stepLabel, { color: colors.textSub }]}>
{t('calPickName')} ({parsedSchedule.employees.length} trovati)
</Text>
<FlatList
data={parsedSchedule.employees}
keyExtractor={(_, i) => String(i)}
style={{ maxHeight: 400 }}
nestedScrollEnabled
renderItem={({ item }) => (
<TouchableOpacity
style={[s.nameRow, { borderColor: colors.border }]}
onPress={() => selectEmployee(item)}
>
<Text style={[s.nameText, { color: colors.text }]}>{item.name}</Text>
<MaterialIcons name="chevron-right" size={20} color={colors.textSub} />
</TouchableOpacity>
)}
<FlatList
data={parsedSchedule.employees}
keyExtractor={(_, i) => String(i)}
style={{ maxHeight: 400 }}
nestedScrollEnabled
renderItem={({ item }) => (
<TouchableOpacity
style={[s.nameRow, { borderColor: colors.border }]}
onPress={() => selectEmployee(item)}
>
<Text style={[s.nameText, { color: colors.text }]}>{item.name}</Text>
<MaterialIcons name="chevron-right" size={20} color={colors.textSub} />
</TouchableOpacity>
)}
// Performance optimization: Virtualization props to reduce memory and render time for large lists
initialNumToRender={15}
maxToRenderPerBatch={10}
windowSize={5}
removeClippedSubviews={true}
/>
</>
)}
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5 changes: 5 additions & 0 deletions src/screens/FlightScreen.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -923,6 +923,11 @@ export default function FlightScreen() {
refreshControl={<RefreshControl refreshing={refreshing} onRefresh={() => { setRefreshing(true); fetchAll(); }} tintColor={colors.primary} />}
ListEmptyComponent={<Text style={{ textAlign: 'center', marginTop: 40, color: '#9CA3AF', fontSize: 15 }}>{t('flightNoFlights')}</Text>}
showsVerticalScrollIndicator={false}
// Performance optimization: Virtualization props to reduce memory and render time for large lists
initialNumToRender={15}
maxToRenderPerBatch={10}
windowSize={5}
removeClippedSubviews={true}
/>
)}

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5 changes: 5 additions & 0 deletions src/screens/PasswordScreen.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -323,6 +323,11 @@ export default function PasswordScreen() {
</View>
}
showsVerticalScrollIndicator={false}
// Performance optimization: Virtualization props to reduce memory and render time for large lists
initialNumToRender={15}
maxToRenderPerBatch={10}
windowSize={5}
removeClippedSubviews={true}
/>

{/* Add / Edit modal */}
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