import { View, Text, TouchableOpacity } from 'react-native';
import ModalComponent from 'react-native-modal-component';

const content = (
  <View style={{ flex: 1, justifyContent: 'center', padding: 20, backgroundColor: 'rgba(0, 0, 0, 0.2)' }}>
    <View style={{ padding: 30, backgroundColor: '#fff', height: undefined, width: undefined }}>
      <Text style={{ color: '#000' }}>
        React Native Modal Component{'\n'}
      </Text>
    </View>
  </View>
);

<ModalComponent
  ref={(modal) => { this.modal = modal; }}
  content={content}
  dismissOnHardwareBackPress
  showCloseButton={false}
  leftItem={{
    title: 'CLOSE',
    layout: 'title',
    onPress: () => {
      this.modal.dismiss(() => {
        console.log('callback');
      });
    },
  }}
>
  <View style={{ flex: 1, backgroundColor: 'white' }}>
    <TouchableOpacity onPress={() => { this.modal.show(); }} >
      <Text>Show Modal</Text>
    </TouchableOpacity>
  </View>
</ModalComponent>