Segundo intento

screens/main/Home_page.js

-
 import React, {useState, useEffect} from 'react'
 import { Button, Text, View, StyleSheet} from 'react-native'
 import {FlatList, ListViewBase } from 'react-native'
 import { styles } from "../../config/styles";
 import { TextInput, TouchableWithoutFeedback, Keyboard, ImageBackground} from "react-native";
 
-
 import { connect } from 'react-redux'
 import { bindActionCreators } from 'redux' 
 import { fetchUser } from '../../redux/actions/index'
 export function Home_page({navigation}) {
   const [threads, setThreads] = useState([]);  
   const [loading, setLoading] = useState(true);
+  
+  const [roomName, setRoomName] = useState('');
 
   useEffect(() => {
 
     const fire = firebase.firestore()
     .collection('THREADS')
-    
+    .where("members", "array-contains", firebase.auth().currentUser.uid)
     .onSnapshot(querySnapshot => {
       const threads = querySnapshot.docs.map(documentSnapshot => {
         return{
   if (loading) {
     return <Loading />;
   }
+
+
+  function handleButtonPress2() {
+      firebase.firestore()
+        .collection('THREADS')
+        .add({
+          name: 'NombreFecha',
+          members: [
+            firebase.auth().currentUser.uid,
+            'BhlrNDOqLOYSSlaEDK0nxZpQ2tD3'
+          ]
+        })
+        //.then(() => {
+          //navigation.navigate('allChats');
+         //});
+  }
   
   return (
-    <View>
     <ImageBackground style={styles.stdcontainer} source={require('../../assets/yellow-white.jpg')}>
         <FlatList
           data={threads}
             >
             <List.Item
               title={item.name}
-              description='Item description'
               titleNumberOfLines={1}
               titleStyle={styles.listTitle}
               descriptionStyle={styles.listDescription}
         )}
       />
 
+                <TextInput
+                    labelName='Room Name'
+                    placeholder="new chat room"
+                    onChangeText={(text) => setRoomName(text)}
+                    clearButtonMode='while-editing'
+                />
+
       <Button
-        title='Ver mensajes'
-        onPress={() => navigation.navigate('Add')}
+        title='CrearChat'
+        onPress={() => handleButtonPress2()}
       />
 
         <Button
         onPress= {() => navigation.navigate('Room')}
         />
         </ImageBackground>
-      </View>
     );
   }
 
 const mapStateToProps = (store) => ({
   currentUser: store.userState.currentUser
 })
-const mapDispatchProps = (dispatch) => bindActiontors({fetchUser}, dispatch);
-
-export default connect(mapStateToProps, mapDispatchProps)(Home_page);
-
-
+const mapDispatchProps = (dispatch) => bindActionCreators({fetchUser}, dispatch);
 
+export default connect(mapStateToProps, mapDispatchProps)(Home_page);