Disabling buttons on react native

I'm making an android app using react native and I've used TouchableOpacity component to create buttons.
I use a text input component to accept text from the user and the button should only be enabled once the text input matches a certain string.
I can think of a way to do this by initially rendering the button without the TouchableOpactiy wrapper and re-rendering with the wrapper once the input string matches.
But I'm guessing there is a much better way to do this. Can anyone help?

TouchableOpacity extents TouchableWithoutFeedback, so you can just use the disabled property :

<TouchableOpacity disabled={true}>
  <Text>I'm disabled</Text>
</TouchableOpacity>

React Native TouchableWithoutFeedback #disabled documentation

Just do this

<TouchableOpacity activeOpacity={disabled ? 1 : 0.7} onPress={!disabled && onPress}>
  <View>
    <Text>{text}</Text>
  </View>
</TouchableOpacity>

This seems like the kind of thing that could be solved using a Higher Order Component. I could be wrong though because I'm struggling to understand it 100% myself, but maybe it'll be helpful to you (here's a couple links)...

• http://www.bennadel.com/blog/2888-experimenting-with-higher-order-components-in-reactjs.htm
• http://jamesknelson.com/structuring-react-applications-higher-order-components/

You can build an CustButton with TouchableWithoutFeedback, and set the effect and logic you want with onPressIn, onPressout or other props.

TouchableOpacity receives activeOpacity. You can do something like this

<TouchableOpacity activeOpacity={enabled ? 0.5 : 1}>
</TouchableOpacity>

So if it's enabled, it will look normal, otherwise, it will look just like touchablewithoutfeedback.

I was able to fix this by putting a conditional in the style property.

const startQuizDisabled = () => props.deck.cards.length === 0;

<TouchableOpacity
  style={startQuizDisabled() ? styles.androidStartQuizDisable : styles.androidStartQuiz}
  onPress={startQuiz}
  disabled={startQuizDisabled()}
>
  <Text 
    style={styles.androidStartQuizBtn} 
  >Start Quiz</Text>
</TouchableOpacity>

const styles = StyleSheet.create({
androidStartQuiz: {
    marginTop:25,
    backgroundColor: "green",
    padding: 10,
    borderRadius: 5,
    borderWidth: 1
},
androidStartQuizDisable: {
    marginTop:25,
    backgroundColor: "green",
    padding: 10,
    borderRadius: 5,
    borderWidth: 1,
    opacity: 0.4
},
androidStartQuizBtn: {
    color: "white",
    fontSize: 24
}
})

this native-base there is solution:

  <Button
    block
    disabled={!learnedWordsByUser.length}
    style={{ marginTop: 10 }}
    onPress={learnedWordsByUser.length && () => {
      onFlipCardsGenerateNewWords(learnedWordsByUser)
      onFlipCardsBtnPress()
    }}
  >
    <Text>Let's Review</Text>
  </Button>

Make TouchableOpacity disable using following code:

<TouchableOpacity disabled={true}>
  <Text>Submit</Text>
</TouchableOpacity>

Here's my work around for this I hope it helps :

<TouchableOpacity
    onPress={() => {
        this.onSubmit()
    }}
    disabled={this.state.validity}
    style={this.state.validity ?
          SignUpStyleSheet.inputStyle :
          [SignUpStyleSheet.inputAndButton, {opacity: 0.5}]}>
    <Text style={SignUpStyleSheet.buttonsText}>Sign-Up</Text>
</TouchableOpacity>

in SignUpStyleSheet.inputStyle holds the style for the button when it disabled or not, then in style={this.state.validity ? SignUpStyleSheet.inputStyle : [SignUpStyleSheet.inputAndButton, {opacity: 0.5}]} I add the opacity property if the button is disabled.