Can't call setState (or forceUpdate) on an unmounted component

[Kodax9]

Hello, anyone encountered same issue as mine ?
on running after splash i got warning : Can't call setState (or forceUpdate) on an unmounted component. This is a no-op, but it indicates a memory leak in your application. To fix, cancel all subscriptions and asynchronous task in the componentWillUnmount method.

[Biplovkumar]

Same here.plz provide solution

[Biplovkumar]

@Kodax9

//this code is splash screen.jf file

import React, { Component } from 'react'
import { StyleSheet, Text,Image, View } from 'react-native'
export default class Splash extends Component {
constructor(props) {
super(props)
this.state = {timer: 0};
}

tick() {
    this.setState(prevState => ({
        timer: prevState.timer + 1
    }));
}

componentDidMount() {
    this.interval = setInterval(() => this.tick(), 1000);
}

componentWillUnmount() {
    clearInterval(this.interval);
}


render() {

    return (

        <View style={styles.container}>
            <View style={styles.logoContainer}>
                <Image style={styles.logo}
                       source={require('../images/logo.png')}>
                </Image>
            <Text style={styles.title}>{`Welcome to metso App: ${this.state.timer}`}</Text>
            {/* <Text style={styles.title}>{`Hello Splash`}</Text> */}
        </View>
        </View>
    )
}

}
const styles = StyleSheet.create({
container: {
backgroundColor: 'rgb(32, 53, 70)',
flex: 1,
alignItems: 'center',
justifyContent: 'center',
},
logoContainer: {
alignItems: 'center',
justifyContent: 'center',
flex: 1
},
logo: {
width: 320,
height: 96,
},
title: {

    fontWeight: 'bold',
    color: '#f7c744',
    fontSize: 22,
    textAlign: 'center',
    marginTop: 5,
    opacity: 0.9
},

}
)

thanks @sunlight3d