text: import React, {Component} from "react";
  import {
      View,
      StyleSheet,
      ImageBackground,
      Image,
      TextInput,
      TouchableOpacity,
      Text,
      Alert,
      KeyboardAvoidingView
    } from "react-native";
    import firebase from "firebase";
    export default class LoginScreen extends Component{
        render(){
            return(
                <View>
                    <Text> Panatalla de acceso </Text>
                </View>
            )
        }
    }
  
    const styles = StyleSheet.create({
        loginBox:{
            width:300,
            height:40,
            borderWidth:1.5,
            fontSize:20,
            margin:10,
            paddingLeft:10
        }
    })