React native snippet. Chat view ui example

This react native snippet, Chat view ui example, was created to help android and ios developers save time
while they build native mobile apps using JavaScript and React
use it in your project and build your app faster

React native code

Copy, paste and run the following code to get a result like the one shown in the image

import React, { Component } from 'react';
import {
  StyleSheet,
  Text,
  View,
  TouchableOpacity,
  Image,
  Alert,
  ScrollView,
  TextInput,
  FlatList,
  Button,
  Dimensions,
  KeyboardAvoidingView
} from 'react-native';
const { width, height } = Dimensions.get('window');
export default class Chat extends Component {

  constructor(props) {
    super(props);
    this.state = {
      msg: '',
      messages: [
        {id:1, sent: true,  msg: 'Lorem ipsum dolor',   image:'https://www.bootdey.com/img/Content/avatar/avatar1.png'},
        {id:2, sent: true,  msg: 'sit amet, consectetuer',   image:'https://www.bootdey.com/img/Content/avatar/avatar1.png'},
        {id:3, sent: false, msg: 'adipiscing elit. Aenean ', image:'https://www.bootdey.com/img/Content/avatar/avatar6.png'},
        {id:4, sent: true,  msg: 'commodo ligula eget dolor.',   image:'https://www.bootdey.com/img/Content/avatar/avatar1.png'},
        {id:5, sent: false, msg: 'Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes', image:'https://www.bootdey.com/img/Content/avatar/avatar6.png'},
        {id:6, sent: true,  msg: 'nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo',   image:'https://www.bootdey.com/img/Content/avatar/avatar1.png'},
        {id:7, sent: false, msg: 'rhoncus ut, imperdiet', image:'https://www.bootdey.com/img/Content/avatar/avatar6.png'},
        {id:8, sent: false, msg: 'a, venenatis vitae', image:'https://www.bootdey.com/img/Content/avatar/avatar6.png'},
      ]
    };
    this.send = this.send.bind(this);
    this.reply = this.reply.bind(this);
    this.renderItem   = this._renderItem.bind(this);
  }

  reply() {
    var messages = this.state.messages;
    messages.push({
      id:Math.floor((Math.random() * 99999999999999999) + 1),
      sent: false,
      msg: this.state.msg,
      image:'https://www.bootdey.com/img/Content/avatar/avatar6.png'
    });
    this.setState({msg:'', messages:messages});
  }

  send() {
    if (this.state.msg.length > 0) {
      var messages = this.state.messages;
      messages.push({
        id:Math.floor((Math.random() * 99999999999999999) + 1),
        sent: true,
        msg: this.state.msg,
        image:'https://www.bootdey.com/img/Content/avatar/avatar1.png'
      });
      this.setState({messages:messages});
      setTimeout(() => {
        this.reply();
      }, 2000);
    }
  }

  _renderItem = ({item}) => {
    if (item.sent === false) {
      return (
        <View style={styles.eachMsg}>
          <Image source={{ uri: item.image}} style={styles.userPic} />
          <View style={styles.msgBlock}>
            <Text style={styles.msgTxt}>{item.msg}</Text>
          </View>
        </View>
      );
    } else{
      return (
        <View style={styles.rightMsg} >
          <View style={styles.rightBlock} >
            <Text style={styles.rightTxt}>{item.msg}</Text>
          </View>
          <Image source={{uri: item.image}} style={styles.userPic} />
        </View>
      );
    }
  };

  render() {
    return (
      <View style={{ flex: 1 }}>
          <KeyboardAvoidingView behavior="padding" style={styles.keyboard}>
            <FlatList 
              style={styles.list}
              extraData={this.state}
              data={this.state.messages}
              keyExtractor = {(item) => {
                return item.id;
              }}
              renderItem={this.renderItem}/>
            <View style={styles.input}>
              <TextInput
                style={{flex: 1 }}
                value={this.state.msg}
                placeholderTextColor = "#696969"
                onChangeText={msg => this.setState({ msg })}
                blurOnSubmit={false}
                onSubmitEditing={() => this.send()}
                placeholder="Type a message"
                returnKeyType="send"/>
            </View>
          </KeyboardAvoidingView>
      </View>
    );
  }
}

const styles = StyleSheet.create({
  keyboard: {
    flex: 1,
    justifyContent: 'center',
  },
  image: {
    width,
    height,
  },
  header: {
    height: 65,
    flexDirection: 'row',
    justifyContent: 'space-between',
    alignItems: 'center',
    backgroundColor: '#075e54',
  },
  left: {
    flexDirection: 'row',
    alignItems: 'center',
  },
  right: {
    flexDirection: 'row',
  },
  chatTitle: {
    color: '#fff',
    fontWeight: '600',
    margin: 10,
    fontSize: 15,
  },
  chatImage: {
    width: 30,
    height: 30,
    borderRadius: 15,
    margin: 5,
  },
  input: {
    flexDirection: 'row',
    alignSelf: 'flex-end',
    padding: 10,
    height: 40,
    width: width - 20,
    backgroundColor: '#fff',
    margin: 10,
    shadowColor: '#3d3d3d',
    shadowRadius: 2,
    shadowOpacity: 0.5,
    shadowOffset: {
      height: 1,
    },
    borderColor:'#696969',
    borderWidth:1,
  },
  eachMsg: {
    flexDirection: 'row',
    alignItems: 'flex-end',
    margin: 5,
  },
  rightMsg: {
    flexDirection: 'row',
    alignItems: 'flex-end',
    margin: 5,
    alignSelf: 'flex-end',
  },
  userPic: {
    height: 40,
    width: 40,
    margin: 5,
    borderRadius: 20,
    backgroundColor: '#f8f8f8',
  },
  msgBlock: {
    width: 220,
    borderRadius: 5,
    backgroundColor: '#ffffff',
    padding: 10,
    shadowColor: '#3d3d3d',
    shadowRadius: 2,
    shadowOpacity: 0.5,
    shadowOffset: {
      height: 1,
    },
  },
  rightBlock: {
    width: 220,
    borderRadius: 5,
    backgroundColor: '#97c163',
    padding: 10,
    shadowColor: '#3d3d3d',
    shadowRadius: 2,
    shadowOpacity: 0.5,
    shadowOffset: {
      height: 1,
    },
  },
  msgTxt: {
    fontSize: 15,
    color: '#555',
    fontWeight: '600',
  },
  rightTxt: {
    fontSize: 15,
    color: '#202020',
    fontWeight: '600',
  },
});  

About this react-native snippet

This react-native snippet, Chat view ui example, was published on May 20th, 10:30 by Dey Dey and it is free.

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