message: refresh the invoice when the keyboard is being hidden
diff: import { indexOf, toInteger } from "lodash"
  import * as React from "react"
  -import { Text, View } from "react-native"
  +import { Keyboard, Text, View } from "react-native"
  import { Input } from "react-native-elements"
  import EStyleSheet from "react-native-extended-stylesheet"
  import { TouchableOpacity } from "react-native-gesture-handler"
  @@ -76,6 +76,19 @@ const InputCurrency = ({ amount, setAmount, currency, onBlur, forceKeyboard, app
  value += "."
  }
  + React.useEffect(() => {
  + Keyboard.addListener("keyboardDidHide", _keyboardDidHide);
  +
  + // cleanup function
  + return () => {
  + Keyboard.removeListener("keyboardDidHide", _keyboardDidHide);
  + };
  + }, []);
  +
  + const _keyboardDidHide = () => {
  + onBlur()
  + };
  +
  return <Input
  ref={inputRef}
  placeholder={"set an amount"}
  