React Native component that enables users to both input their own text and select options from a dropdown menu as they type

Looking to develop a component that combines Text Input and FlatList to capture user input from both manual entry and a dropdown list. Has anyone successfully created a similar setup? I'm facing challenges in making it happen.

Here's the scenario: Imagine having an input field where users need to enter a location. As they start typing, suggestions appear like "Paris", "Pasadena," etc. However, if the user doesn't want any of these options and instead prefers to enter a location not on the list, I aim to create a component that offers flexibility for either choice: selecting from the list or entering a custom location.

typescriptreact-nativeuse-statereact-native-flatlistreact-native-textinput

Answer №1

Are you seeking guidance on how to incorporate autocomplete functionality or deciding which components to utilize for your desired layout?

To implement the auto-complete feature, we can display suggestions using a map function below the TextInput component. Here's an example:

render (
  <View>
    <TextInput {...props} />
    <View>
      {suggestionsList.map((item) => renderSuggestion({ item }))}
    </View>
  </View>
);

function renderSuggestion({ item }) {
  return (
    <TouchableOpacity>
      <View>
        <Text>{item}</Text>
      </View>
    </TouchableOpacity>
  );
}

For implementing the autocomplete functionality, we recommend utilizing trie data structures.

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