message: [FIX] Prevent toast ref error
diff: @@ -43,15 +43,19 @@ class Toast extends React.Component {
  EventEmitter.removeListener(LISTENER);
  }
  + getToastRef = toast => this.toast = toast;
  +
  showToast = ({ message }) => {
  + if (this.toast && this.toast.show) {
  this.toast.show(message, 1000);
  }
  + }
  render() {
  const { theme } = this.props;
  return (
  <EasyToast
  - ref={toast => this.toast = toast}
  + ref={this.getToastRef}
  position='center'
  style={[styles.toast, { backgroundColor: themes[theme].toastBackground }]}
  textStyle={[styles.text, { color: themes[theme].buttonText }]}
  