how can i do auth in my react native android app? im using firebase here is my code:
import { Text, View, TextInput, Pressable, ScrollView } from 'react-native';
import { gStyle } from '../styles/style';
import Header from '../components/Header';
import Footer from '../components/Footer';
import { useNavigation } from '@react-navigation/native';

export default function Auth() {
    const navigation = useNavigation();
  return (
    <View>
        <ScrollView>
            <Header/>
    <View style={gStyle.main}>
        
        <Text style={gStyle.header}>Войти в личный{"\n"}кабинет</Text>
        <View style={gStyle.AuthContainer}>
            <View style={gStyle.AuthBox}>
                <View style={gStyle.AuthBox1}>
                    <Text style={gStyle.AuthName}>Почта или номер телефона</Text>
                    <TextInput style={gStyle.AuthInfo}/>
                </View>
                <View style={gStyle.AuthBox1}>
                    <Text style={gStyle.AuthName}>Пароль</Text>
                    <TextInput style={gStyle.AuthInfo}/>
                </View>
            </View>
            <Pressable style={gStyle.AuthForgotPassword} onPress={''}>
                <Text style={gStyle.AuthPass}>Забыли пароль?</Text>
            </Pressable>
            <Pressable style={gStyle.AuthLogin} onPress={''}>
                <Text style={gStyle.AuthBtnLogin}>Войти</Text>
            </Pressable>
            <Pressable 
            onPress={()=>navigation.navigate('Registration')}
            >
                <Text style={gStyle.AuthRegistr}>Я не зарегистрирован(а)</Text>
            </Pressable>
        </View>
        </View>
        <Footer/>
        </ScrollView>
    </View>
  );
}

