traintrape-moi/client/app/_layout.tsx

import { DarkTheme, DefaultTheme, ThemeProvider } from '@react-navigation/native'
import { Stack } from "expo-router"
import { useColorScheme } from '@/hooks/useColorScheme'
import { StatusBar } from 'expo-status-bar'

export default function RootLayout() {
  const colorScheme = useColorScheme()
  return <ThemeProvider value={colorScheme === 'dark' ? DarkTheme : DefaultTheme}>
    <Stack>
      <Stack.Screen name="(tabs)" options={{ headerShown: false }} />
      <Stack.Screen name="+not-found" />
    </Stack>
    <StatusBar style="auto" />
  </ThemeProvider>
}