app.js

class App extends Component {
  render() {
    return (
      <View style={styles.container}>
        <RNCamera
          style={{ flex: 1, alignItems: 'center' }}
          ref={ref => {
            this.camera = ref
          }}
        />
      </View>
    )
  }
}
 
const styles = StyleSheet.create({
  container: {
    flex: 1,
    flexDirection: 'column',
    backgroundColor: 'black'
  }
})
 
export default App;