npm install --save react-native-lottie-loader lottie-react-native
react-native link lottie-ios
react-native link lottie-react-native

import React from 'react';
import LottieLoader from 'react-native-lottie-loader';

export default class Loader extends React.Component {
  constructor(props) {
    super(props);
    this.state = { visible: true };
  }

  componentDidMount() {
    const context = this;

    setTimeout(() => {
      context.setState({ visible: false });
    }, 3000);
  }

  render() {
    const { visible } = this.state;

    return <LottieLoader visible={visible} />;
  }
}

import React from 'react';
import { bool } from 'prop-types';
import { connect } from 'react-redux';
import LottieLoader from 'react-native-lottie-loader';

class Loader extends React.PureComponent {
  static propTypes = { visible: bool.isRequired };

  render() {
    const { visible } = this.props;

    return <LottieLoader visible={visible} />;
  }
}

const mapStateToProps = ({ app: { visible } }) => ({ visible });

export default connect(mapStateToProps)(Loader);