rn-autoheight-input

React Native TextInput with auto height and multiline support

Installation

Install using npm or yarn:

npm i rn-autoheight-input --save

yarn add rn-autoheight-input

Usage

You can use this input wrapper together with KeyboardAwareScrollView, which can be installed from npm or yarn

Import rn-autoheight-input inside your component:

import InputView from 'rn-autoheight-input'

<KeyboardAwareScrollView 
  ref={(ref) => this.scroll = ref} 
  contentContainerStyle={styles.container}
>
  ...
  <InputView
    blurOnSubmit={false}  
    value={text} 
    onValueChange={(text) => this.setState({text})} 
    placeholder="Add Response"
    onContentSizeChange={
      (event) => { 
        this._scrollToInput(ReactNative.findNodeHandle(event.target));
      }
    } 
  /> 
</KeyboardAwareScrollView>

onContentSizeChange is a callback function which is called when content size of input changes. This can be used to scroll to this input when cursur position changes.

Programatically scroll to any focused TextInput, using the built-in method scrollToFocusedInput of KeyboardAwareScrollView.

_scrollToInput = (reactNode: any) => {
  let extraHeight = 30;
  this.scroll.scrollToFocusedInput(reactNode, extraHeight);
}

API

Props

All the TextInput props will be passed.

Prop	Type	Description
blurOnSubmit	boolean	Set false to enable Multiline Support. Default value is true
value	string	Default value of input.
defaultHeight	number	Initial height of input. Default is 40
viewStyle	Style Object	Style of Input View Wrapper.
inputStyle	Style Object	Style of Input.
onContentSizeChange	function	callback function with event argument which is called when content size of input changes.
onChangeText	function	callback function with text argument which is called when value of input changes.

License

MIT.

Author

Dariy D.